CN207352358U - Developing device and handle box - Google Patents
Developing device and handle box Download PDFInfo
- Publication number
- CN207352358U CN207352358U CN201721486146.7U CN201721486146U CN207352358U CN 207352358 U CN207352358 U CN 207352358U CN 201721486146 U CN201721486146 U CN 201721486146U CN 207352358 U CN207352358 U CN 207352358U
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- Prior art keywords
- free end
- developing
- driving
- driving lever
- developing device
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 12
- 238000000926 separation method Methods 0.000 abstract description 9
- 230000007246 mechanism Effects 0.000 description 9
- 238000003384 imaging method Methods 0.000 description 8
- 239000000843 powder Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 241000282472 Canis lupus familiaris Species 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Abstract
The utility model provides a kind of developing device and handle box, developing device includes developing drive component, developing drive component includes pinion stand and driving force receiving element, driving lever is provided with articulated section, the first free end and the second free end, first free end and the second free end are respectively positioned on the periphery of articulated section, and articulated section is hinged on end cap, the first free end and sloping platform portion fit adjacent, second free end of driving lever is used to receive the first external force, axial direction of first external force perpendicular to articulated section；Torsional spring is connected between the first free end and end cap；Developing frame is additionally provided with connecting portion, and connecting portion is used to receive the second external force, the axial direction of the vertical developer roll of the second external force.Pass through rotatable driving lever, driving lever both can with sloping platform part from, driving force receiving element can be connected with the driving head of printer during separation, then driving work is realized, driving lever can also be abutted with sloping platform portion, driving force receiving element is bounced back by sloping platform portion, realizes that driving force receiving element is separated with driving head.
Description
Technical field
It the utility model is related to printing consumables field, more particularly to a kind of developing device and handle box.
Background technology
It is most as the toner source of supply used when being imaged, existing handle box usually using handle box in imaging device
It can be detachably mounted in imaging device and use.
In general, in handle box many rotations working roll, such as powder feeding roller, developer roll and photosensitive drums etc., they are generally called
For roller, and pass through gear train passing power between each other.At present, handle box has two kinds of structures.The first is such as United States Patent (USP)
Integral type handle box disclosed in document US5815644, the handle box of integral type have photosensitive drums, developer roll, cleaning device and fill
Electric installation etc., second of split type handle box as disclosed in american documentation literature US6330410, split type handle box include drum box
And Delevoping cartridge, Delevoping cartridge are removably mounted on bulging box, drum box includes the components such as photosensitive drums, charging unit and cleaning device,
Delevoping cartridge includes the components such as developer roll, powder outlet cutter and powder feeding roller.
In general, the driving force that photosensitive drums receive imaging device by being assemblied in the drive component of its one end works, develop
Roller receives the driving force relied in photosensitive drums by gear train, such as the handle box disclosed in american documentation literature US6898399.Separately
Outside, developer roll can also be worked by being assemblied in drive component directly driving force of the reception from imaging device of its end,
So as to receive the driving force from imaging device independently of one another with photosensitive drums, such as american documentation literature US20080138115A1
Disclosed handle box.The driving force that developer roll receives, can also be by handling box framework outside photosensitive drums and imaging device
Side wall on assemble a drive component, the drive component receive imaging device driving force, then pass through gear train driving
Power passes to developer roll, such as the handle box disclosed in U.S. Patent number US7826767.
But these above-mentioned drive components are swung at random in the state of non-stress, so in the installation or removal of handle box
When, be easy to cause between drive component and drive shaft mutually it is stuck, even result in the damage of drive component and drive shaft, cause to locate
Reason box or imaging device can not work normally.Drive component carries out a kind of driving force receiving element the adaptation in structure at the same time,
So that drive component can not use the driving force receiving element of other structures so that cannot meet different product and the use need of client
Ask, further convenience can not be provided to the user.
Utility model content
First purpose of the utility model is to provide a kind of realize and stablizes engagement or separated developing device.
Second purpose of the utility model is to provide a kind of realize and stablizes engagement or separated handle box.
In order to realize first purpose of the utility model, the utility model provides a kind of developing device, including developing frame,
Developer roll, end cap, driving lever and the torsional spring being pivotally supported in developing frame, the end set of the developing frame have development
Drive component, end cap set developing frame to be located on the end of developing drive component side；
Developing drive component includes pinion stand and driving force receiving element, and pinion stand includes pedestal, along week on pedestal periphery wall
To being provided with gear, pedestal formed with the tubular accommodating chamber along axis indent, driving force receiving element include elastic component, drive division,
Outer end, rod body part and sloping platform portion, drive division are arranged in accommodating chamber, and outer end is arranged on outside accommodating chamber, and rod body part is connected to
Between drive division and outer end, sloping platform portion is arranged in rod body part and between drive division and outer end, and elastic component is arranged on
In accommodating chamber, elastic component is connected between pedestal and drive division；
Driving lever is provided with articulated section, the first free end and the second free end, and the first free end and the second free end are respectively positioned on
On the periphery of articulated section, articulated section is hinged on end cap, the first free end and sloping platform portion fit adjacent, the second free end of driving lever
For receiving the first external force, axial direction of first external force perpendicular to articulated section；
Torsional spring is connected between the first free end and end cap；
Developing frame is additionally provided with connecting portion, and connecting portion is used to receive the second external force, the axis of the vertical developer roll of the second external force
To.
By such scheme as it can be seen that by rotatable driving lever, driving lever both can with sloping platform part from, separation when driving force connect
Addressee can be connected with the driving head of printer, then realize driving work, and driving lever can also be abutted with sloping platform portion, pass through sloping platform
Portion bounces back driving force receiving element, realizes that driving force receiving element is separated with driving head, while the use in the portion that can be connected, and makes
Movement can be realized in printer by obtaining developing drive component, then realized and stablized engagement or separation driving head.
Further scheme is that the inner wall of end cap sets positioning column, and articulated section is location hole, and location hole is sleeved on positioning column
On.
Therefore the cooperation of positioning column and location hole be driving lever installation it is more convenient, and rotate it is more stable.
Further scheme is that end cap is penetratingly provided with sliding slot, and the second free end passes through outwardly sliding slot from interior.
Therefore driving lever is arranged on the inner side of end cap, therefore the second free end is passed through into outwardly sliding slot from interior so that the
Two free ends can coordinate with the Luo Ji mechanisms of printer.
Further scheme is that driving lever is provided with pillar, and pillar is provided with location hole axially through ground, and torsional spring is arranged
Outside pillar；
First free end is provided with the first supporting part, and end cap is provided with the second supporting part, and the both ends of torsional spring are connected to respectively
First supporting part and the second supporting part.
Therefore torsional spring can be stably installed on driving lever so that torsional spring stably applies preset circumferential direction to driving lever
Power.
Further scheme is that the outer end of pillar is also radially provided with convex edge.
Therefore convex edge can play position-limiting action to torsional spring.
Further scheme is that the first free end of driving lever is provided with the first inclined-plane inwardly, and sloping platform portion is provided with outwardly
The second inclined-plane, the first inclined-plane and the second inclined-plane are oppositely arranged；
Elastic component applies drive division preset elastic force outwardly.
Therefore by the cooperation on inclined-plane, driving force receiving element is set rapidly to bounce back.
In order to realize second purpose of the utility model, the utility model provides a kind of handle box, including developing device and
Photosensitive drum component, developing device using the above scheme in developing device.
Further scheme is that photosensitive drum component includes photosensitive drum frame and is pivotally supported in photosensitive drum frame
Photosensitive drums, photosensitive drums have drive assembly of photosensitive drum in end set.
By such scheme as it can be seen that the use in mating connection portion so that developing drive component can realize shifting in printer
It is dynamic and combine or separate with photosensitive drums, by rotatable driving lever, driving lever can with sloping platform part from, separation when driving force receive
Part can be connected with the driving head of printer, then realize driving work, and driving lever can also be abutted with sloping platform portion, pass through sloping platform portion
Driving force receiving element is bounced back, realizes that driving force receiving element is separated with driving head, then realizes and stablizes engagement or separation driving head.
Brief description of the drawings
Fig. 1 is the utility model handle box embodiment driving lever and the structure chart under sloping platform portion discrete state.
Fig. 2 is the structure chart under the utility model handle box embodiment driving force receiving element and printhead engagement state.
Fig. 3 is the utility model handle box embodiment driving lever and the structure chart under sloping platform portion adjacency state.
Fig. 4 is the structure chart under the utility model handle box embodiment driving force receiving element and printhead discrete state.
Fig. 5 is the structure chart of the utility model handle box embodiment driving lever.
Fig. 6 is the structure chart of the utility model handle box embodiment in the engaged condition.
Fig. 7 is structure chart of the utility model handle box embodiment under discrete state.
The utility model is described in further detail with reference to the accompanying drawings and embodiments.
Embodiment
Referring to Figures 1 and 2, handle box, including developing device 1 and photosensitive drum component 2, photosensitive drum component 2 include photosensitive drums
Frame 21 and the photosensitive drums being pivotally supported in photosensitive drum frame 21, photosensitive drums have drive assembly of photosensitive drum in end set
22, after photosensitive drum component 2 is installed in printer, it is connected by printer driver head with drive assembly of photosensitive drum 22, and make sense
Light drum driving assembly 22 receives driving force, then photosensitive drums selection work.
Developing device 1 includes developing frame, the developer roll being pivotally supported in developing frame, end cap 11,3 and of driving lever
Torsional spring 35, developer roll include roll body and are arranged on the gear of roll body, and the end set of developing frame has developing drive component 4, holds
Lid 11 sets developing frame to be located on the end of 4 side of developing drive component, is installed in developing device 1 in printer
Afterwards, developing drive component 4 is used to be connected with the driving head 15 of printer and receive driving force.
With reference to Fig. 6 and Fig. 7, developing drive component 4 includes pinion stand 41 and driving force receiving element 42, and pinion stand 41 includes seat
Body, circumferentially arranged on pedestal periphery wall to have gear, which is connected with the gear assembly of developing frame end, and pinion stand 41
The gear of gear and developer roll connects, and can then drive the powder feeding roller and puddle support in developing device 4.Pedestal is formed with along axis
The tubular accommodating chamber 411 of line indent.
Driving force receiving element 42 includes elastic component 43, drive division 421, outer end 422, rod body part 423 and sloping platform portion 423,
Rod body part 423 is in the form of a column setting, and drive division 421 is arranged in accommodating chamber 411, and drive division 421 is to be arranged in rod body part 423
Column is driven, driving column radially extends protrusion, corresponding, is also set inwardly in accommodating chamber 411 and is provided with fin, drives column
It can coordinate with fin, after the rotation of driving force receiving element 42, driving column driving fin rotates, and then drives the gear of pinion stand 41
Rotate.
Outer end 422 is arranged on outside accommodating chamber 411, and outer end 422 is provided with rotatable and symmetrical two dogs, and two
A dog is connected with driving head 15, and rod body part 423 is connected between drive division 421 and outer end 422, and sloping platform portion 423 is arranged on
In rod body part 423 and between drive division 421 and outer end 422, sloping platform portion 423 is located at outside accommodating chamber 411, and is set in land
Put, sloping platform portion 423 has the second inclined-plane outwardly, and elastic component 43 is spring, and spring pocket is outer in rod body part 423 and is arranged on receiving
In chamber 411, elastic component 43 is connected between pedestal and drive division 421, and specifically, the first end of elastic component 43 abuts and pedestal
Bottom, i.e., on one end away from outer end 422, the second end of elastic component 43 abuts and drive division 421 so that elastic component 43 is to driving
Dynamic portion 421 applies preset elastic force outwardly.
With reference to Fig. 5, driving lever 3 is provided with articulated section 33, the first free end 31 and the second free end 32, the inner face of driving lever 3
It is provided with pillar 34, pillar 34 is provided with location hole axially through ground, and location hole is the articulated section 33 of the present embodiment, torsional spring 35
It is set in outside pillar 34, the outer end 422 of pillar 34 is also radially provided with convex edge 36, and convex edge 36 is used to carry out axis to torsional spring 35
To spacing.
First free end 31 and the second free end 32 are respectively positioned on the periphery of articulated section 33, and the first free end 31 is provided with
One supporting part 312, the first supporting part 312 are the step that sets inwardly, and the first free end 31 is provided with the first inclined-plane inwardly, first
Free end 31 and 423 fit adjacent of sloping platform portion, then the first inclined-plane and the second inclined-plane relative engagement are set.
The inner wall of end cap 11 sets positioning column, and driving lever 3 is coordinated by articulated section 33 and positioning column, then realized around positioning column
Rotate, end cap 11 is additionally provided with the second supporting part, and the both ends of torsional spring 35 are connected to the first supporting part 312 and the second carrying respectively
Portion, under the resilient force of torsional spring, applies preset peripheral force directed downwardly to the first free end.End cap 11 is penetratingly provided with cunning
Groove 12, the second free end 32 pass through outwardly sliding slot 12 from interior.
Second free end 32 of driving lever 3 is used to be connected with the Luo Ji mechanisms 16 of printer and receive the first external force, outside first
Axial direction of the power perpendicular to articulated section 33.The lower part of developing frame is additionally provided with connecting portion 13, and connecting portion 13 is used for and printer
Rebounding mechanism 14 connects and receives the second external force, the axial direction of the vertical developer roll of the second external force.
The method of work of handle box is illustrated below, the method for work of handle box includes engagement step and separation step
Suddenly.
With reference to Fig. 1, Fig. 2 and Fig. 6, when handle box or developing cell are installed in printer, or handle box need into
, it is necessary to driving force receiving element 42 be engaged, engagement step includes during row print job：
Second external force of rebounding mechanism 14 acts on connecting portion 13, makes developer roll close to photosensitive drums.
Since Luo Ji mechanisms 16 are integrally fixed in printer, its generation is not moved, when the second free end 32 and Luo Ji mechanisms
16 contacts, then produce the first external force and act on the second free end 32, while with propulsion of second external force to connecting portion 13,
Make driving lever 3 that rotation counterclockwise occur, the first free end 31 is separated with sloping platform portion 423.
Under the resilient force of elastic component 35, driving force receiving element 42 is received towards overhanging and being engaged with driving head 15
Driving force realizes the rotary work of developer roll, powder feeding roller and puddle support.
With reference to Fig. 3, Fig. 4 and Fig. 7, when printer is not received by print command, printer can be by developing cell and sense
Light drum unit carries out separating treatment, that is, needs to carry out separating step, separating step includes：
Second external force of rebounding mechanism 14 acts on connecting portion 13, makes developer roll away from photosensitive drums.
Since Luo Ji mechanisms 16 are integrally fixed in printer, its generation is not moved, therefore the second free end 32 and Luo Ji mechanisms
16 separation, the first external force do not act on the second free end 32；
Under the action of torsional spring 35, the first free end 31 is abutted with sloping platform portion 423, is designed using the promotion on inclined-plane, driving
Power receiving element 42 bounces back and is separated with printhead 15 vertically inwardly.
The preferred embodiment of certainly above-mentioned simply the utility model, in the setting of elastic component, spring can also be connected to
On drive division 421 and the outside end wall of accommodating chamber, if apply elastic force outwardly, and the first free end is except using
Inclined-plane can also use sphere or cambered surface etc., or also may be used using conventional power turn-around design.
Therefore by rotatable driving lever, driving lever both can with sloping platform part from, separation when driving force receiving element can
It is connected with the driving head with printer, then realizes driving work, driving lever can also be abutted with sloping platform portion, by sloping platform portion drive
Power reception part bounces back, and realizes that driving force receiving element is separated with driving head, while the use in the portion that can be connected so that development
Drive component can realize movement in printer, then realize and stablize engagement or separation driving head.
Claims (8)
1. developing device, it is characterised in that including developing frame, the developer roll being pivotally supported in the developing frame,
End cap, driving lever and torsional spring, the end set of the developing frame have developing drive component, and the end cap sets the developing frame
Positioned on the end of the developing drive component side；
The developing drive component includes pinion stand and driving force receiving element, and the pinion stand includes pedestal, the pedestal periphery
Circumferentially arranged on wall to have gear, the pedestal is formed with the tubular accommodating chamber along axis indent, the driving force receiving element bag
Elastic component, drive division, outer end, rod body part and sloping platform portion are included, the drive division is arranged in the accommodating chamber, the outer end
It is arranged on outside the accommodating chamber, the rod body part is connected between the drive division and the outer end, and the sloping platform portion is set
In the rod body part and between the drive division and the outer end, the elastic component is arranged in the accommodating chamber,
The elastic component is connected between the pedestal and the drive division；
The driving lever is provided with articulated section, the first free end and the second free end, and first free end and described second is freely
End be respectively positioned on the periphery of the articulated section, the articulated section is hinged on the end cap, first free end with it is described tiltedly
Platform portion fit adjacent, the second free end of the driving lever are used to receive the first external force, and first external force is perpendicular to described hinged
The axial direction in portion；
The torsional spring is connected between first free end and the end cap；
The developing frame is additionally provided with connecting portion, and the connecting portion is used to receiving the second external force, the vertical institute of second external force
State the axial direction of developer roll.
2. developing device according to claim 1, it is characterised in that：
The inner wall of the end cap sets positioning column, and the articulated section is location hole, and the location hole is sleeved on the positioning column.
3. developing device according to claim 2, it is characterised in that：
The end cap is penetratingly provided with sliding slot, and second free end passes through outwardly the sliding slot from interior.
4. developing device according to claim 2, it is characterised in that：
The driving lever is provided with pillar, and the pillar is provided with the location hole axially through ground, and the torsional spring is set in institute
State outside pillar；
First free end is provided with the first supporting part, and the end cap is provided with the second supporting part, the both ends point of the torsional spring
First supporting part and second supporting part are not connected to.
5. developing device according to claim 4, it is characterised in that：
The outer end of the pillar is also radially provided with convex edge.
6. according to claim 1-5 any one of them developing devices, it is characterised in that：
First free end of the driving lever is provided with the first inclined-plane inwardly, and the sloping platform portion is provided with the second inclined-plane outwardly, institute
The first inclined-plane and second inclined-plane is stated to be oppositely arranged；
The elastic component applies the drive division preset elastic force outwardly.
7. handle box, including developing device and photosensitive drum component, it is characterised in that the developing device uses the claims
1-6 any one of them developing devices.
8. handle box according to claim 7, it is characterised in that：
The photosensitive drum component includes photosensitive drum frame and the photosensitive drums being pivotally supported in the photosensitive drum frame, described
Photosensitive drums have drive assembly of photosensitive drum in end set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721486146.7U CN207352358U (en) | 2017-11-08 | 2017-11-08 | Developing device and handle box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721486146.7U CN207352358U (en) | 2017-11-08 | 2017-11-08 | Developing device and handle box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207352358U true CN207352358U (en) | 2018-05-11 |
Family
ID=62354265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721486146.7U Expired - Fee Related CN207352358U (en) | 2017-11-08 | 2017-11-08 | Developing device and handle box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207352358U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107748488A (en) * | 2017-11-08 | 2018-03-02 | 珠海天威飞马打印耗材有限公司 | Developing device, handle box and its method of work |
| CN107748488B (en) * | 2017-11-08 | 2024-05-14 | 珠海天威飞马打印耗材有限公司 | Developing assembly, process cartridge and working method thereof |
-
2017
- 2017-11-08 CN CN201721486146.7U patent/CN207352358U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107748488A (en) * | 2017-11-08 | 2018-03-02 | 珠海天威飞马打印耗材有限公司 | Developing device, handle box and its method of work |
| CN107748488B (en) * | 2017-11-08 | 2024-05-14 | 珠海天威飞马打印耗材有限公司 | Developing assembly, process cartridge and working method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180511 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |