CN201886283U - Carbon powder barrel for laser printer - Google Patents
Carbon powder barrel for laser printer Download PDFInfo
- Publication number
- CN201886283U CN201886283U CN2010206400448U CN201020640044U CN201886283U CN 201886283 U CN201886283 U CN 201886283U CN 2010206400448 U CN2010206400448 U CN 2010206400448U CN 201020640044 U CN201020640044 U CN 201020640044U CN 201886283 U CN201886283 U CN 201886283U
- Authority
- CN
- China
- Prior art keywords
- carbon
- carbon powder
- powder
- carbon dust
- efferent
- 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.)
- Expired - Lifetime
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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
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0896—Arrangements or disposition of the complete developer unit or parts thereof not provided for by groups G03G15/08 - G03G15/0894
- G03G15/0898—Arrangements or disposition of the complete developer unit or parts thereof not provided for by groups G03G15/08 - G03G15/0894 for preventing toner scattering during operation, e.g. seals
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dry Development In Electrophotography (AREA)
Abstract
The utility model relates to a carbon powder barrel for a laser printer, which comprises a carbon powder tank and a carbon powder output part. A powder providing port for providing the carbon powder contained in the carbon powder tank to the exterior is formed on the carbon powder output part; a sealing door capable of sliding on the carbon powder output part is covered on the powder providing port; a powder providing window capable of aligning with or staggering the powder providing port during the sliding process of the sealing door on the carbon powder output part is arranged on the sealing door; a sealing gasket is arranged on the carbon powder output part in a position corresponding to the periphery of the powder providing port and between the carbon powder output part and the sealing door; and in the axial direction of the carbon powder output part, the outer diameter of the sealing gasket gradually retracts from an outer diameter greater than both the outer diameter of the carbon powder output part and the inner diameter of the sealing door to the outer diameter smaller than that of the carbon powder output part from one side of the powder providing port, the back of which towards the inner chamber of the carbon powder tank to the end of the sealing gasket, the back of which towards the inner chamber of the carbon powder tank. The sealing door of the carbon powder barrel is smooth to open, so that carbon powder outleakage can be prevented effectively.
Description
Technical field
The utility model relates to the laser printer carbon powder tube, particularly is used for holding carbon dust so that be laid in the carbon dust tube in the electrostatic latent image zone of photosensitive drum surface for the developer roll supply toner finally to make carbon dust.
Background technology
With handle box 100 is that the imaging process of the laser printer of basic comprising core is, sees Fig. 1, is charged equably by charging roller 102 in photosensitive drums 101 surfaces.Laser scanner 103 contains image information and through the laser beam 104 of ovennodulation to photosensitive drums 101 emission, after laser beam 104 irradiations, on the external cylindrical surface of photosensitive drums 101, form the static charge distribution plan that its distribution has difference, that is the electrostatic latent image corresponding with image to be duplicated.Afterwards, the carbon dust 106 that autography roller 105 transmits then be adsorbed on the cylindrical surface of photosensitive drums 101, after aforementioned electrostatic latent image covered, it is converted to can macroscopic visual image.Along with the rotation of photosensitive drums 101, the visual image that is formed at photosensitive drum surface by carbon dust 106 replaces to the position at transfer roll 107 places.Effect through the entrained transfer voltage of transfer roll 107, the carbon dust of visual image form is transferred on the surface of the recording mediums such as paper 108 between photosensitive drums 101 and the transfer roll 107, after the carbon dust of recording medium 108 displacements subsequently and the visual image form through being carried on warm-up mill 111 and 112 pairs of recording mediums 108 of backer roll carries out heating and pressurizing, carbon dust is penetrated in the fibrage of recording medium 108, and the visual image that carbon dust is formed for good and all solidifies on recording medium 108.Visual image on the aforementioned photosensitive drums 101 is after being transferred roller 107 transfer printings, and residual carbon dust 109 attached to it is struck off and collected by useless powder scraping blade 110.So just finished a basic imaging workflow.This flow process is the result of cycle operation repeatedly, just can obtain needed image of printing person or file.
The final purpose of this print procedure---demonstration can macroscopic visual image finish, depend on developer, i.e. the use of carbon dust.Carbon dust is stored in the developer reservoir usually, is developer roll 105 supply toners by developer reservoir, via developer roll 105 carbon dust is laid on the electrostatic latent image zone on photosensitive drums 101 surfaces again.Referring to Fig. 2,3, show a kind of carbon dust tube 200 that is used for to developer roll 105 supply toners of laser printer of the prior art.
The formation of carbon dust tube 200 mainly comprises the carbon power pot 201 and the carbon dust efferent 202 that is used for to outside supply toner that is used for holding carbon dust.Carbon power pot 201 slightly is the form of cylindrical drum.Efferent 202 is fixed in the edge, neighboring of carbon power pot 201 axial ends.The main composition of efferent 202 partly is the cylindrical tube that is roughly hollow 203 that is positioned at outside the carbon power pot 201.Cylindrical tube 203 is in closed state back to the end of carbon power pot 201, and its end towards carbon power pot 201 is communicated with the inner chamber of carbon power pot 201.The powder supply port 204 that is used to export carbon dust is arranged on cylindrical tube 203 cylinder of carbon power pot 201 dorsad.The carbon dust conveying device that is used for the carbon dust in carbon power pot 201 inner chambers is transported to efferent 202 for example spirality screw rod (not shown) is set in carbon power pot 201 inner chambers between cylindrical tube 203 along self axial side.The rotating shaft (not shown) can be rotatably set in the radial center of carbon power pot 201.Carbon dust stirring piece (not shown) is fixed in the rotating shaft to stir carbon dust.Rotating shaft reaches the outside of carbon power pot 201 corresponding to an end of cylindrical tube 203 positions and connects with the driven wheel (not shown), thereby after carbon dust tube 200 is mounted in the laser printer (not shown), laser printer can order about rotating shaft by this driven wheel and form rotation, drives carbon dust stirring piece stirring carbon dust and makes near its screw rod of putting together.
Referring to Fig. 1～3, when carbon dust tube 200 was mounted in the laser printer and is in running order, laser printer ordered about the rotating shaft rotation by driven wheel, drove the carbon dust stirring piece and stirred carbon dust.Carbon dust is put together near screw rod under the double action of the stirring of stirring piece and self gravitation, and then is transported to efferent 202 via screw rod, is discharged to the outside of carbon power pot 201 at last via powder supply port 204.The carbon dust input port (not shown) of laser printer just be arranged at powder supply port 204 near, it also is communicated with the developing cell (not shown) of handle box 100 shown in Figure 1 simultaneously.The aforementioned carbon dust that is discharged to carbon power pot 201 outsides is transported to behind the developing cell by on the cylindrical surface of developer roll 105 with its photosensitive drums 101 that is laid in via the laser printer carbon powder input port, covers that obtain behind the electrostatic latent image can macroscopic visual image.
Above-mentioned carbon dust tube 200, when its when laser printer breaks away from, need consider the sealing problem of its powder supply port 204.The measure that addresses this problem is to use slidably hermatic door 205.The main body of hermatic door 205 is also cylindrical, it is nested with the outside in cylindrical tube 203, when it slides on cylindrical tube 203, be provided with on its cylinder for powder window 206(referring to Fig. 6,7) state that forms alignment or stagger together with powder supply port 204, can realize control by this alignment or the state that staggers to powder supply port 204 On/Off.For guaranteeing powder supply port 204 following sealing in off position, between cylindrical tube 203 and hermatic door 205, also added the sealing gasket 207 that foamed materials such as sponge prepare at powder supply port 204 peripheries.Sealing pad 207 is adhered on the external cylindrical surface of cylindrical tube 203 of powder supply port 204 peripheries, its external diameter remains on same size, greater than the external diameter of cylindrical tube 203 and the internal diameter of hermatic door 205, so, sealing gasket 207 will be in compressive state between cylindrical tube 203 and hermatic door 205 simultaneously.Under this configuration state, sealing gasket 207 is seen Fig. 5 along cylindrical tube 203 two axial outer ends with respect to just formed step 209(for powder window 206), when hermatic door 205 slides on cylindrical tube 203, hermatic door 205 is conflicted with will forming with step 209 for the corresponding periphery of powder window 206, cause sealing gasket 207 upset or damaged to occur, thereby occur leaking powder when causing work, hermatic door 205 chips stuck or sealing gasket 207 are sneaked into the medium hidden danger of carbon dust.
Summary of the invention
Leakage powder, the hermatic door that occurs at above-mentioned existing laser printer carbon powder tube opened the problem that smooth or sealing gasket chip is sneaked into carbon dust, the utility model purpose provides a kind of laser printer carbon powder tube, it is the opening encapsulation door swimmingly, stop to sneak into carbon dust behind the damaged generation of the sealing gasket chip, and can avoid leak powder.
In order to reach to above-mentioned utility model purpose, the utility model adopts the laser printer carbon powder tube with following characteristics.It comprises the carbon power pot and the carbon dust efferent that is fixed on the carbon power pot that is used for holding carbon dust.The carbon dust efferent is provided with the carbon dust that will be held in the carbon power pot and is supplied to outside powder supply port.Cover the hermatic door that can slide on the powder supply port on the carbon dust efferent.Hermatic door is provided with can be with powder supply port alignment or the confession of staggering powder window in the sliding process on the carbon dust efferent in hermatic door.Between carbon dust efferent and hermatic door, be provided with sealing gasket corresponding to the periphery of powder supply port at the carbon dust efferent.The carbon dust efferent axially on, sealing gasket is the end of a side to sealing gasket back to the carbon power pot inner chamber back to the carbon power pot inner chamber from powder supply port, and the sealing gasket external diameter of this section is by simultaneously being contracted to external diameter less than the carbon dust efferent gradually greater than carbon dust efferent external diameter and hermatic door internal diameter.
Laser printer carbon powder tube of the present utility model, to forming dyskinetic problem for the powder window, the diameter of the end of a side to sealing gasket back to the carbon power pot inner chamber back to the carbon power pot inner chamber is arranged to by being contracted to make less than the external diameter of carbon dust efferent gradually greater than carbon dust efferent external diameter and hermatic door internal diameter simultaneously from powder supply port with sealing gasket at the sealing gasket of existing carbon dust tube.Under this make, because of for the powder window during along the axially-movable of carbon dust efferent its end of travel be terminal point for powder window and powder supply port positions aligning, afterwards for the powder window under external force promptly from powder supply port towards turning back back to the direction of carbon power pot inner chamber, that is to say, for the moving region of powder window between powder supply port and carbon dust efferent end points back to the carbon power pot inner chamber, this end points is limited by the screens piece on the carbon dust efferent, this just makes when hermatic door slides on the carbon dust efferent, has acute angle between the surface of hermatic door corresponding to direction of motion that supplies powder window periphery and sealing gasket less than 90 degree, thereby avoid sealing gasket to become the motion step that supplies the powder window, make for the powder window and can on sealing gasket, slide swimmingly, and then opening encapsulation door swimmingly, also making sealing gasket produce chip and sealing gasket because of conflicting in the right angle mode for the powder window is avoided because of the defective that powder appears leaking in institute to the breakage of conflicting.
Description of drawings
Fig. 1 has laser printer imaging process synoptic diagram now.
Fig. 2 has laser printer carbon powder tube skeleton view now.
Fig. 3 has laser printer carbon powder tube cut-open view now.
Fig. 4 the utility model laser printer carbon powder tube cut-open view one.
Fig. 5 the utility model laser printer carbon powder tube partial sectional view.
The hermatic door skeleton view one of Fig. 6 the utility model laser printer carbon powder tube.
The hermatic door skeleton view two of Fig. 7 the utility model laser printer carbon powder tube.
Fig. 8 the utility model laser printer carbon powder tube cut-open view two.
Fig. 9 the utility model laser printer carbon powder tube partial sectional view one.
Figure 10 the utility model laser printer carbon powder tube partial sectional view two.
Embodiment
Describe the utility model laser printer carbon powder tube in detail below in conjunction with accompanying drawing.
Referring to Fig. 5～10, show respectively the utility model laser printer carbon powder tube and member thereof under different visual angles skeleton view and the mated condition synoptic diagram between cut-open view and the member.
The utility model laser printer carbon powder tube is the improvement to existing carbon dust tube, therefore, and with existing carbon dust tube 200 shared its accompanying drawings 2,3,4 and corresponding mark.Technology contents about the utility model laser printer carbon powder tube described below need in conjunction with Fig. 2,3,4 and the corresponding character content understand.
The utility model laser printer carbon powder tube 200 has essentially identical structure with the carbon dust tube 200 that background technology is partly introduced.
Basic identical with the existing carbon dust tube 200 that background technology is partly introduced, the formation of the utility model laser printer carbon powder tube 200 mainly comprises the carbon power pot 201 and the efferent 202 that is used for to outside supply toner that is used for holding carbon dust.Carbon power pot 201 slightly is the form of cylindrical drum.Efferent 202 is fixed in the edge, neighboring of carbon power pot 201 axial ends.The main composition of efferent 202 partly is the cylindrical tube that is roughly hollow 203 that is positioned at outside the carbon power pot 201.Cylindrical tube 203 is in closed state back to the end of carbon power pot 201, and its end towards carbon power pot 201 is communicated with the inner chamber of carbon power pot 201.Be used for that the carbon dust of carbon power pot 201 contents storage is outputed to outside powder supply port 204 and be arranged on cylindrical tube 203 cylinder of carbon power pot 201 dorsad.Be used for the spirality screw rod (not shown) that the carbon dust in carbon power pot 201 inner chambers is transported to efferent 202 is set in carbon power pot 201 inner chambers between cylindrical tube 203 along self axial side.The rotating shaft (not shown) can be rotatably set in the radial center of carbon power pot 201.Carbon dust stirring piece (not shown) is fixed in the rotating shaft to stir carbon dust.Rotating shaft is stretched out the outside of carbon power pot 201 corresponding to an end of cylindrical tube 203 positions and is connected with the driven wheel (not shown), thereby after carbon dust tube 200 is mounted in the laser printer (not shown), laser printer can order about rotating shaft by driven wheel and form rotation, drive the carbon dust stirring piece stir carbon dust make its spirality screw rod of putting together near.
On the outside cylinder of cylindrical tube 203, be equipped with the hermatic door 205 that can on cylindrical tube 203, slide.Hermatic door 205 also simultaneously cover on powder supply port 204.When hermatic door 205 slided on cylindrical tube 203, what be provided with on its cylinder formed the state that aligns or stagger for powder window 206 together with powder supply port 204.Between cylindrical tube 203 and hermatic door 205, be provided with the sealing gasket 207 of foamed material preparations such as sponge corresponding to the periphery of powder supply port 204 in cylindrical tube 203.Along cylindrical tube 203 axially, one end of a side 201 inner chambers to sealing gasket 207 back to carbon power pot from powder supply port 204 back to carbon power pot 201 inner chambers, sealing gasket 207 in the outer surface diameter of section by simultaneously greater than the external diameter of cylindrical tube 203 and the internal diameter of hermatic door 205, be contracted to external diameter gradually less than cylindrical tube 203.This make of sealing gasket 207 outer surface diameter realizes by the diameter that shrinks cylindrical tube 203 appropriate sections.
See Fig. 8～10, in the work, when hermatic door 205 slides on cylindrical tube 203, hermatic door 205 is corresponding to the periphery for powder window 206, especially corresponding to the axial periphery of cylindrical tube 203, on its direction of motion will and sealing gasket 207 outside surfaces between with less than 90 the degree the acute angle forms come in contact, and then hermatic door 205 can be slided swimmingly on the outside surface of sealing gasket 207 corresponding to the periphery for powder window 206, and big resistance can not appear, also can not damage sealing gasket 207 or make its upset.
Claims (1)
1. laser printer carbon powder tube, comprise the carbon power pot and the carbon dust efferent that is fixed on the described carbon power pot that are used for holding carbon dust, described carbon dust efferent is provided with the carbon dust that will hold in the described carbon power pot and is supplied to outside powder supply port, cover the hermatic door that can slide on the described powder supply port on described carbon dust efferent, described hermatic door is provided with can be with described powder supply port alignment or the confession powder that staggers window in the sliding process on described carbon dust efferent in described hermatic door, between described carbon dust efferent and described hermatic door, be provided with sealing gasket corresponding to the periphery of described powder supply port at described carbon dust efferent, it is characterized in that, described carbon dust efferent axially on, described sealing gasket from described powder supply port the external diameter of the side back to described carbon power pot inner chamber to described sealing gasket back to an end of described carbon power pot inner chamber by being contracted to external diameter gradually greater than described carbon dust efferent external diameter and described hermatic door internal diameter simultaneously less than described carbon dust efferent.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206400448U CN201886283U (en) | 2010-12-02 | 2010-12-02 | Carbon powder barrel for laser printer |
| PCT/CN2011/082596 WO2012071996A1 (en) | 2010-12-02 | 2011-11-22 | Toner cartridge for laser printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206400448U CN201886283U (en) | 2010-12-02 | 2010-12-02 | Carbon powder barrel for laser printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201886283U true CN201886283U (en) | 2011-06-29 |
Family
ID=44183831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206400448U Expired - Lifetime CN201886283U (en) | 2010-12-02 | 2010-12-02 | Carbon powder barrel for laser printer |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN201886283U (en) |
| WO (1) | WO2012071996A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012071996A1 (en) * | 2010-12-02 | 2012-06-07 | 珠海天威飞马打印耗材有限公司 | Toner cartridge for laser printer |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09218629A (en) * | 1996-02-14 | 1997-08-19 | Copyer Co Ltd | Image forming device and waste toner recovery device therefor |
| JP3476010B2 (en) * | 2000-10-13 | 2003-12-10 | 日本電気株式会社 | Toner container |
| JP2004325841A (en) * | 2003-04-25 | 2004-11-18 | Canon Inc | Developer replenishment system |
| CN201886283U (en) * | 2010-12-02 | 2011-06-29 | 珠海天威飞马打印耗材有限公司 | Carbon powder barrel for laser printer |
-
2010
- 2010-12-02 CN CN2010206400448U patent/CN201886283U/en not_active Expired - Lifetime
-
2011
- 2011-11-22 WO PCT/CN2011/082596 patent/WO2012071996A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012071996A1 (en) * | 2010-12-02 | 2012-06-07 | 珠海天威飞马打印耗材有限公司 | Toner cartridge for laser printer |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012071996A1 (en) | 2012-06-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110629 |
|
| CX01 | Expiry of patent term |