CN103309195B - Light sensitive drum for laser printer - Google Patents
Light sensitive drum for laser printer Download PDFInfo
- Publication number
- CN103309195B CN103309195B CN201310261346.2A CN201310261346A CN103309195B CN 103309195 B CN103309195 B CN 103309195B CN 201310261346 A CN201310261346 A CN 201310261346A CN 103309195 B CN103309195 B CN 103309195B
- Authority
- CN
- China
- Prior art keywords
- force block
- blind hole
- along
- laser printer
- photosensitive part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electrophotography Configuration And Component (AREA)
- Discharging, Photosensitive Material Shape In Electrophotography (AREA)
Abstract
The present invention relates to light sensitive drum for laser printer.It comprises photosensitive part and drive disk assembly.Drive disk assembly is fixed in the side of photosensitive part along its length direction.Drive disk assembly is provided with cylindrical force block along photosensitive part length direction back to one end of photosensitive part.Force block is axially provided with the blind hole along self axial indent along self in the outer end wall of photosensitive part.Blind hole has continuous print hole wall on force block axial cross section.The quantity of blind hole is four.On force block axial cross section, four blind holes are symmetric relative to the radial center of force block.Between the force block of this photosensitive drums and laser printer driving head, contraposition is accurate, and then Absorbable organic halogens ground is from the rotary driving force needed for laser printer acquisition.
Description
Technical field
The present invention relates to the component parts photosensitive drums as laser printer.This photosensitive drums is made up of photosensitive part and drive disk assembly.
Background technology
Being see Fig. 1 with the imaging process that handle box 100 is the laser printer of basic comprising core, is charged equably by charging roller 102 in photosensitive drums 101 surface.Laser scanner 103 to be launched containing image information and through the laser beam 104 of ovennodulation to photosensitive drums 101 external cylindrical surface, after laser beam 104 is irradiated, form its distribution at the cylindrical surface of photosensitive drums 101 deposit discrepant static charge distribution plan, that is the electrostatic latent image corresponding with image to be copied.Afterwards, the developer of the carbon dust 106 that autography roller 105 transmits and so on is under the state regulating thickness through powder outlet cutter 113 then be adsorbed on the cylindrical surface of photosensitive drums 101, after being covered by aforementioned electrostatic sub-image, it is converted to can macroscopic visual image.Along with the rotation of photosensitive drums 101, the visual image formed at photosensitive drum surface by carbon dust 106 replaces to the position at transfer roll 107 place.Through the effect of the transfer voltage entrained by transfer roll 107, the carbon dust of visual image form is transferred on the surface of the recording mediums such as paper 108, with after carry out after heating pressurization through the carbon dust of the visual image form on warm-up mill 111 and backer roll 112 pairs of recording mediums 108, make carbon dust penetrate in the fibrage of recording medium 108, the visual image that carbon dust is formed for good and all is solidified on recording medium 108.Visual image in aforementioned photosensitive drums 101 is after being transferred roller 107 transfer printing, residual carbon dust 109 attached to it strikes off in useless powder collecting bin by useless powder scraping blade 110, and photosensitive drums 101 surface is eliminated after electrostatic through corresponding electric eliminating equipment and returned to without the dustless stand-by state of electricity.This completes a basic imaging workflow.The result of this flow process iterative cycles running, just can obtain the image required for printing person.
For above-mentioned handle box 100, different manufacturers can according to the function of each component parts of handle box 100, serviceable life and construction features etc., and the research and development pattern making in conjunction with oneself goes out the different product of integrated level.Such as, bear developing function developer roll 105, bear regulate the powder outlet cutter 113 of carbon dust thickness function and bear developer storage, the component integration such as powder storehouse of supplying functional is independently Delevoping cartridge.Such Delevoping cartridge has storage powdery type developer and developer is transported to photosensitive drums 101 surface, makes effect that electrostatic latent image is developed.Photosensitive drums 101 is directly configured in laser printer in advance, or is configured in laser printer after combining electrophotographic image forming unit separately with other parts such as charging roller 102 and useless powder scraping blade 110 again.
The course of work of aforementioned laser printer, no matter photosensitive drums 101 is pre-configured in laser printer, or is configured in laser printer with after other parts separately assembly again, and the formation of its visual image all depends on the continuous rotation of photosensitive drums 101.In this mode of operation, the rotation of photosensitive drums 101 depends on the rotary driving force that laser printer produces and the drive disk assembly 115 bearing this driving force transformation task.
See Fig. 2,3,4, the basic comprising of photosensitive drums 101 comprises photosensitive part 114 and drive disk assembly 115.The hollow cylinder that photosensitive part 114 generally adopts aluminium to prepare and aluminum barrel are basic building block.The external cylindrical surface of aluminum barrel is coated with photosensitive material.Drive disk assembly 115 is equiped with in axial one end of aluminum barrel.The rotary driving force that laser printer produces is passed to photosensitive drums 101 by drive disk assembly 115, photosensitive drums 101 is produced and rotates.
The structural feature of drive disk assembly 115 is rendered as right cylinder substantially.This cylindrical external cylindrical surface is provided with driven wheel 116.Driven wheel 116 can pass to the rotary driving force that drive disk assembly 115 obtains developer roll 105 parts such as grade (consulting Fig. 1).In order to obtain rotary driving force from laser printer, axially one end of photosensitive part 114 is provided with cylindrical force block 117 at drive disk assembly 115 along self.Its radially outer end of force block 117 be provided with four its be distributed symmetrically gap 118 in force block 117 radial center.Gap 118 is along the outer end of force block 117 radial direction and be axially all in open state back to the side of photosensitive part 114 along force block 117, the driving gear 120 be convenient on laser printer driving head 119 can insert in gap 118, see Fig. 6 a, b, realize driving gear 120 with the engagement between gap 118, to obtain the rotary driving force that laser printer produces.
Above-mentioned photosensitive drums 101 obtains the mode of rotary driving force from laser printer, because photosensitive drums 101 during assembling is pushed in laser printer from self radial direction, laser printer driving head 119 enters in the process of laser printer in photosensitive drums 101 and after the axial rollback of photosensitive drums 101, sprang back to the state that driving gear 120 inserts gap 118 more before this.In this process, because driving gear 120 can be formed mobile in force block 117 radial direction relative to gap 118, driving head 119 is caused easily to occur misplacing with the radial center of both force blocks 117, so that the outer wall of four driving gears 120 to respective gap 118 forms asymmetric and uneven compressing after photosensitive drums 101 is mounted in laser printer, damage driving gear 120 or gap 118, affect photosensitive drums 101 with the torque transfer between laser printer.
Summary of the invention
Forbidden to cause photosensitive drums with can not the problem of effective transfer of torque between laser printer for above-mentioned because of driving head and force block contraposition, the object of the invention be the photosensitive drums providing a kind of laser printer.This photosensitive drums can overcome the inaccurate phenomenon of driving head and force block contraposition effectively, so that the rotary driving force needed for stably obtaining from laser printer, and then the drive disk assembly of laser printer driving head and photosensitive drums is avoided to sustain damage when assembling and transfer of torque.
For reaching to above-mentioned goal of the invention, this invention exploits a kind of pointed light sensitive drum for laser printer.It comprises photosensitive part and drive disk assembly.Drive disk assembly is fixed in the side of photosensitive part along its length direction.Drive disk assembly is provided with cylindrical force block along photosensitive part length direction back to one end of photosensitive part.Force block is axially provided with the blind hole along self axial indent along self in the outer end wall of photosensitive part.Blind hole has continuous print hole wall on force block axial cross section.The quantity of blind hole is four.On force block axial cross section, four blind holes are symmetric relative to the radial center of force block.
Aforementioned photosensitive drums, on its force block axial cross section, relative to the position of blind hole along the contiguous force block radial center of force block radial direction, blind hole is along position outside bulging along the circumferencial direction of force block towards blind hole of the contiguous force block outer cylindrical wall of force block radial direction.On force block axial cross section, relative to the position of blind hole along the contiguous force block radial center of force block radial direction, the stage casing of blind hole in force block radial direction is narrowed along the circumferencial direction of force block towards blind hole inside.
For existing photosensitive drums because its force block is forbidden to cause photosensitive drums with can not the problem of effective transfer of torque between laser printer with the contraposition of laser printer driving head, the present invention is provided with the blind hole of indent in the force block outer end wall of photosensitive drums drive disk assembly.Under this make, driving gear on laser printer driving head is when same blind hole engagement, in the transverse direction or radial direction of photosensitive drums drive disk assembly, the position of driving gear will be subject to the restriction of the equidirectional outer wall of blind hole, driving gear is accurately inserted in blind hole, the radial center of laser printer driving head and force block is avoided to occur mutual dislocation, ensure that the radial center of laser printer driving head and force block is on same axis, and then guarantee photosensitive drums is with can transfer of torque effectively between laser printer.And, the stage casing of blind hole in force block radial direction is configured to the structural feature narrowed towards the inside of blind hole along the circumferencial direction of force block, result causes the stage casing of blind hole in force block radial direction in force block narrowed width circumferentially, so, when the driving gear on laser printer driving head is after insertion blind hole, driving gear is just directly limited between two walls that blind hole narrows at force block mobile space circumferentially, this reduces driving gear and circumferentially form the travelling gap before contact with blind pore wall at force block, and then the contact that just can be formed rapidly after driving gear inserts blind hole between driving gear and blind pore wall, thus more effectively the moment of torsion that driving gear transmits is passed to force block.
Accompanying drawing explanation
The existing working of laser printer process schematic of Fig. 1.
The existing light sensitive drum for laser printer skeleton view one of Fig. 2.
The existing light sensitive drum for laser printer skeleton view two of Fig. 3.
The existing light sensitive drum for laser printer skeleton view three of Fig. 4.
Fig. 5 light sensitive drum for laser printer skeleton view of the present invention.
Fig. 6 a, b existing laser printer driving head skeleton view one, two.
Fig. 7 photosensitive drums of the present invention is with existing laser printer driving head docking operation skeleton view.
Embodiment
Photosensitive drums of the present invention is described in detail below in conjunction with accompanying drawing.
Fig. 5,7, shows photosensitive drums of the present invention and the skeleton view with existing laser printer driving head docking thereof from different perspective view respectively.
The major constituents mode of light sensitive drum for laser printer of the present invention is substantially identical with the prior art of near field, those skilled in the art can consult near field prior art correlation technique data and in conjunction with the introduction of instructions background technology part to know the essential structure situation of light sensitive drum for laser printer of the present invention.Given this, in the description of light sensitive drum for laser printer embodiment of the present invention, the Reference numeral of involved component will continue the Reference numeral continuing to use instructions background technology part identical components of the present invention.In addition, according to the present invention is directed to existing photosensitive drums with can not the problem of effective transfer of torque between laser printer, propose the original intention of suitable solution, applicant divides carry out emphasis description by relating to its formations ensureing that rotary driving force is stablized in photosensitive drums acquisition with regard to light sensitive drum for laser printer of the present invention.
See Fig. 5, the formation of photosensitive drums 101 comprises photosensitive part 114 and drive disk assembly 115.
Photosensitive part 114 is the hollow cylinders adopting aluminium to prepare, namely using aluminum barrel as its basic building block.The external cylindrical surface of aluminum barrel is coated with photographic layer prepared by photochromics.
Drive disk assembly 115 is component parts of photosensitive drums 101, and its structural feature is rendered as right cylinder substantially, and it is plugged in the inner chamber of the axial one end of aluminum barrel regularly.The external cylindrical surface of drive disk assembly 115 is provided with driven wheel 116.Driven wheel 116 can pass to the rotary driving force that drive disk assembly 115 obtains developer roll 105 parts such as grade (consulting Fig. 1).Axially one end of photosensitive part 114 is provided with the cylindrical force block 117 of its outward appearance at drive disk assembly 115 along self.The axis of force block 117 overlaps with the axis of drive disk assembly 115.
Axial back on the outer end wall 117-1 of photosensitive part 114 along self at force block 117, be provided with the blind hole 121 along the axial indent of force block 117.Blind hole 121 is at force block 117 axially not through force block 117, and it only extend into the inside of force block 117 from outer end wall 117-1 along the axis of force block 117.On the xsect perpendicular to force block 117 axis, the hole wall surrounding blind hole 121 is in the uninterrupted state continuing to connect.On the xsect perpendicular to force block 117 axis, relative to the position of blind hole 121 along contiguous force block 117 radial center of force block 117 radial direction, blind hole 121, along the position of contiguous force block 117 outer cylindrical wall of force block 117 radial direction along the circumferencial direction of force block 117 towards the outside bulging of blind hole 121, forms two bulging mouths 122.On the xsect perpendicular to force block 117 axis, relative to the position of blind hole 121 along contiguous force block 117 radial center of force block 117 radial direction, the stage casing of blind hole 121 in force block 117 radial direction is narrowed along the circumferencial direction of force block 117 towards the inside of blind hole 121, forms neck 123.The quantity of blind hole 121 is four.On the xsect perpendicular to force block 117 axis, four blind holes 121 are symmetric relative to the radial center of force block 117.
See Fig. 7, and composition graphs 5,6a, b, when photosensitive drums 101 is assembled in laser printer, four driving gears 120 on laser printer driving head 119 will insert in the blind hole 121 corresponding with it respectively.Insert in the process of blind hole 121 at driving gear 120, due to blind hole 121 restriction back to the outer wall of drive disk assembly 115 radial center in drive disk assembly 115 radial direction, four driving gears 120 can not be formed mobile in the radial direction of drive disk assembly 115 after inserting blind hole 121, thus ensure that laser printer driving head 119 is on same axis with the radial center of photosensitive drums force block 117.
In addition, arrange neck 123 in blind hole 121 after, neck 123 is in force block 117 narrowed width circumferentially.Under this structural feature, after driving gear 120 inserts blind hole 121, driving gear 120 is just directly limited between two walls of neck 123 at force block 117 mobile space circumferentially, and then reduce driving gear 120 and circumferentially form the travelling gap before contact with one of two walls of neck 123 at force block 117, thus ensure to drive due to the promotion of driving head 119 Stimulated Light printer driving gear 120 to form rapidly the contact of one of two walls of itself and neck 123 after driving gear 120 inserts blind hole 121, the rotary driving force that laser printer produces effectively is passed to force block 117, photosensitive drums 101 is impelled to rotate.
Claims (1)
1. light sensitive drum for laser printer, comprise photosensitive part and drive disk assembly, described drive disk assembly is fixed in the side of described photosensitive part along its length direction, described drive disk assembly is provided with cylindrical force block along described photosensitive part length direction back to one end of described photosensitive part, described force block is axially provided with the blind hole along self axial indent along self in the outer end wall of described photosensitive part, described blind hole has continuous print hole wall on described force block axial cross section, the quantity of described blind hole is four, on described force block axial cross section, four described blind holes are symmetric relative to the radial center of described force block, it is characterized in that, on described force block axial cross section, described blind hole along the position of the contiguous described force block outer cylindrical wall of described force block radial direction relative to described blind hole along the position of the contiguous described force block radial center of described force block radial direction along the circumferencial direction of described force block towards the outside bulging of described blind hole, the stage casing of described blind hole in described force block radial direction is narrowed towards described blind hole inside along the position of the contiguous described force block radial center of described force block radial direction along the circumferencial direction of described force block relative to described blind hole.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310261346.2A CN103309195B (en) | 2013-06-26 | 2013-06-26 | Light sensitive drum for laser printer |
| PCT/CN2014/079899 WO2014206206A1 (en) | 2013-06-26 | 2014-06-16 | Photosensitive drum for laser printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310261346.2A CN103309195B (en) | 2013-06-26 | 2013-06-26 | Light sensitive drum for laser printer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103309195A CN103309195A (en) | 2013-09-18 |
| CN103309195B true CN103309195B (en) | 2015-12-23 |
Family
ID=49134551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310261346.2A Active CN103309195B (en) | 2013-06-26 | 2013-06-26 | Light sensitive drum for laser printer |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103309195B (en) |
| WO (1) | WO2014206206A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103309195B (en) * | 2013-06-26 | 2015-12-23 | 珠海天威飞马打印耗材有限公司 | Light sensitive drum for laser printer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1084981A (en) * | 1992-03-13 | 1994-04-06 | 佳能株式会社 | Image device and can be loaded on processing magazine in it |
| CN1167282A (en) * | 1996-03-05 | 1997-12-10 | 佳能株式会社 | Developing cartridge |
| CN1176407A (en) * | 1996-07-04 | 1998-03-18 | 佳能株式会社 | Bearing components, assemblies and electrophotographic imaging devices |
| US5923926A (en) * | 1996-09-30 | 1999-07-13 | Canon Kabushiki Kaisha | Developing device and electrophotographic image forming apparatus |
| US6078763A (en) * | 1996-09-30 | 2000-06-20 | Canon Kabushiki Kaisha | Process cartridge, assembling method and electrophotographic image forming apparatus |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002072766A (en) * | 2000-08-23 | 2002-03-12 | Kyocera Mita Corp | Structure of drum driving joint |
| CN201174020Y (en) * | 2008-03-22 | 2008-12-31 | 珠海天威技术开发有限公司 | Driving force transmission member and processing box |
| WO2013006996A1 (en) * | 2011-07-13 | 2013-01-17 | 江西亿铂电子科技有限公司 | Photosensitive drum and processing box |
| CN103309195B (en) * | 2013-06-26 | 2015-12-23 | 珠海天威飞马打印耗材有限公司 | Light sensitive drum for laser printer |
| CN203299516U (en) * | 2013-06-26 | 2013-11-20 | 珠海天威飞马打印耗材有限公司 | Photosensitive drum for laser printer |
-
2013
- 2013-06-26 CN CN201310261346.2A patent/CN103309195B/en active Active
-
2014
- 2014-06-16 WO PCT/CN2014/079899 patent/WO2014206206A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1084981A (en) * | 1992-03-13 | 1994-04-06 | 佳能株式会社 | Image device and can be loaded on processing magazine in it |
| CN1167282A (en) * | 1996-03-05 | 1997-12-10 | 佳能株式会社 | Developing cartridge |
| CN1176407A (en) * | 1996-07-04 | 1998-03-18 | 佳能株式会社 | Bearing components, assemblies and electrophotographic imaging devices |
| US5923926A (en) * | 1996-09-30 | 1999-07-13 | Canon Kabushiki Kaisha | Developing device and electrophotographic image forming apparatus |
| US6078763A (en) * | 1996-09-30 | 2000-06-20 | Canon Kabushiki Kaisha | Process cartridge, assembling method and electrophotographic image forming apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014206206A1 (en) | 2014-12-31 |
| CN103309195A (en) | 2013-09-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103149816B (en) | Developing box for laser printer | |
| CN102540844B (en) | Treating box capable of recovering waste powder | |
| CN103309195B (en) | Light sensitive drum for laser printer | |
| CN203299516U (en) | Photosensitive drum for laser printer | |
| CN102591184A (en) | Process cartridge, and installation method and replacement method for photosensitive drum thereof | |
| CN103345137B (en) | Processing box for laser printer | |
| CN102955401B (en) | Developing apparatus, imaging device and handle box | |
| CN103309209B (en) | Developing box for laser printer | |
| CN203101818U (en) | Developing cartridge for laser printer | |
| CN203299521U (en) | Development box for laser printer | |
| CN201000539Y (en) | Carbon powder container for laser printer | |
| CN103399478B (en) | Processing box for laser printer | |
| CN201707547U (en) | Carbon powder box for laser printers | |
| CN205353579U (en) | Can save cartridge of carbon dust | |
| CN103676563A (en) | Toner cartridge | |
| CN201066436Y (en) | Carbon powder canister for laser printer | |
| CN102364398A (en) | Recovery method for toner cartridge used for laser printer | |
| CN201000540Y (en) | Carbon powder box for laser printer | |
| CN201886283U (en) | Carbon powder barrel for laser printer | |
| CN201054078Y (en) | Imaging processing box for laser printer | |
| CN103324060B (en) | Regeneration method of carbon powder cartridge for laser printer | |
| CN201886284U (en) | Developer container for laser printer | |
| CN203324653U (en) | Processing box for laser printer | |
| CN201097126Y (en) | Carbon powder cartridge for laser printer | |
| CN202041773U (en) | Processing cartridge for laser printers |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |