CN201638009U - Carbon powder box for laser printer - Google Patents
Carbon powder box for laser printer Download PDFInfo
- Publication number
- CN201638009U CN201638009U CN2010201316598U CN201020131659U CN201638009U CN 201638009 U CN201638009 U CN 201638009U CN 2010201316598 U CN2010201316598 U CN 2010201316598U CN 201020131659 U CN201020131659 U CN 201020131659U CN 201638009 U CN201638009 U CN 201638009U
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- CN
- China
- Prior art keywords
- developer roll
- developing roller
- carbon powder
- axial
- cartridge
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- 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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Abstract
The utility model relates to a carbon powder box for a laser printer which comprises a developing roller, a powder feeding roller, a powder outlet knife, a stirring rack and a carbon powder bin. The stirring rack is supported in the carbon powder bin in a rotating manner, with the axial direction parallel to that of the developing roller. The two axial ends of the stirring rack stretch out of the carbon powder bin. The carbon powder bin is sealed by a bin cover which presents the shape of a large-radian circular arc on the axial cross section of the developing roller and is protruded towards the outer part of the carbon powder box along the radial direction of the developing roller. Transitional surfaces which are flat on the axial cross section of the developing roller and are parallel to the axial direction of the developing roller are respectively arranged at the two ends of the bin cover along the axial direction of the developing roller, and the height of the transitional surfaces in the radial direction of the developing roller is smaller than that of the middle segment of the bin cover along the axial direction of the developing roller. With simple structure and convenient production technology, the carbon powder box is suitable for the laser printers of various models.
Description
Technical field
The utility model is a carbon powder cartridge for laser printer.This cartridge is the cartridge that comprises developer roll, powder feeding roller, powder delivery cutter, puddle support and toner, it is laid in the electrostatic latent image zone of photosensitive drum surface to the carbon dust that holds in the toner according to default layout by developer roll, and electrostatic latent image is converted to by the shown visual image of carbon dust and so on developer.
Background technology
Equipment for forming image generally includes different types of machines such as duplicating machine, laser printer, facsimile recorder, colour band printer and LED printer.
In the Equipment for forming image of laser scanning or laser photo-typesetting form, carbon dust be realization figure～～light～～electricity～～the final image forming medium of figure conversion.Developer roll just is arranged near the photosensitive drums, forms image behind the minimum gap so that carbon dust is jumped between developer roll and the photosensitive drums on photosensitive drums.By the carbon dust of developer roll transhipment from toner.The Chu Fenliang of toner is subjected to the warehouse capacity limitation, therefore, need be replenished after the carbon dust in the toner is used up.
As a class of laser image formation device, the major function piece of laser printer comprises: laser scan unit, photoelectric conversion unit, charhing unit, developing cell, transfer printing unit and fixation unit.
The main member of laser scan unit is laser generator and light reflection and transmission system.
The main member of photoelectric conversion unit is a photosensitive drums.
Charhing unit mainly comprises the charging roller of positive charge grid-control formula corona charging roller or other form.
Developing cell is made of the storage powder chamber, developing room and the developer roll that are used to store carbon dust.Developer roll, powder feeding roller, powder delivery cutter just are arranged in the developing room.Puddle support and toner constitute storage powder chamber jointly.
Transfer printing unit mainly comprises transfer roll.
Fixation unit is made of warm-up mill and backer roll.
Common cartridge or handle box generally include photoelectric conversion unit, charhing unit, developing cell etc. several bear light～～electricity～～functional block of figure translation function, this kind make generally obtains the cartridge or the handle box of multi-functional integrated-type.The mode that difference in functionality carries out different layouts of distinguishing that adopts is also arranged, photoelectric conversion unit, charhing unit directly are arranged on the laser printing machine host, cartridge then only comprises developing cell, this kind make only can obtain only can implementing the cartridge of single developing function, and the form of then assembling with assembly between this type of simple function cartridge and the laser printing machine host is finished coupling between the two.
Under cartridge was packed the user mode of laser printer into, photosensitive drum surface was charged equably by charging roller.Laser scanner contains image information and through the laser beam of ovennodulation, forms the different static voltage figure that distributes at photosensitive drum surface to photosensitive drums emission, that is with the electrostatic latent image for the treatment of that duplicating image is corresponding.Afterwards, from the carbon dust of developer roll then be adsorbed on the photosensitive drum surface, covering can macroscopic visual image converting to behind the electrostatic latent image.Along with the rotation of photosensitive drums, the visual image that is formed at photosensitive drum surface by carbon dust replaces to the transfer roll position.Effect through the transfer roll transfer voltage, the carbon dust of visual image form is transferred on the recording mediums such as paper, with after after warm-up mill and backer roll carried out heating and pressurizing to the visual image on the recording medium, the visual image that carbon dust is formed for good and all solidified on recording medium.Can finish a basic imaging operation flow process like this.
No matter be the cartridge of multi-functional integrated-type, or be the cartridge of simple function type, its carbon dust capacity is limited, has correspondingly also just determined the life cycle of this cartridge.Hold within it after carbon dust exhausts, this cartridge then becomes the empty packet that does not have actual use meaning as not reclaimed or do not replenished carbon dust, its figure～～light～～electricity～～translation function of figure will have no way of embodying.To this, the way of solution is first for enlarging the capacity in cartridge powder storehouse, to improve the printable page of its single box, second for filling carbon dust after reclaiming again.User's handled easily, at first the way that should consider is the printable page that enlarges single cartridge, that is improves its carbon dust amount of being installed in.On the other hand, the printer of different model, brand often has extremely strong selectivity separately, cause primary structure basic identical but only exist the cartridge of JND generally all can not exchange to different printers to use, make jumbo cartridge on different types of machines, be difficult to obtain general being suitable for.Referring to Fig. 1,2, be that existing two kinds of primary structures are basic identical, but only there is the cartridge of difference slightly in its position, powder storehouse structure.Cartridge 100 shown in Figure 1 is provided with storehouse lid 102 at its 101 positions, powder storehouse.The storehouse is covered 102 profiles and slightly is cuboid, and it is comparatively smooth circular-arc that its upper surface is along long side direction that the axial xsect integral body of developer roll is.Cartridge 200 shown in Figure 2 also is provided with storehouse lid 202 at its 201 positions, powder storehouse.The storehouse is covered 202 profiles and slightly is cuboid, and its upper surface is that the axial xsect integral body of developer roll is bigger circular-arc of radian along long side direction.Both compare, the length of its powder storehouse on developer roll is axial is all identical with the position, the storehouse lid 202 of cartridge 200 shown in Figure 2 has higher height than the storehouse lid 102 of cartridge 100 shown in Figure 1 on the developer roll diametric(al), this difference causes the bigger cartridge of carbon dust capacity 200 with the printer that can not be applicable to each other between the less cartridge 100 of carbon dust capacity separately, has limited the range of application of high capacity cartridge.
Summary of the invention
At the construction problem that above-mentioned cartridge exists, the utility model purpose is to provide a kind of high capacity cartridge that has higher suitability with all kinds of laser printers.
For reaching to above-mentioned the utility model purpose, the utility model utilization has the laser printer carbon powder box of following make, and it comprises developer roll, powder feeding roller, powder delivery cutter, puddle support and toner.Puddle support with its axially parallel in the axial mode rotatably support of developer roll in toner.The axial two ends of puddle support stretch out in outside the toner.Toner by on the developer roll axial cross section, be big radian circular-arc and along developer roll radially towards the outside Cang Gai sealing of protruding of cartridge.At Cang Gai along the axial two ends of developer roll, be respectively arranged with comparatively smooth on the developer roll axial cross section and be parallel to developer roll axially and the height that developer roll directly makes progress be lower than Cang Gai along developer roll axially among the transition face of section.
Carbon powder cartridge for laser printer of the present utility model, on the basis of high capacity cartridge, by Cang Gai along developer roll axial two ends be separately positioned on the developer roll axial cross section comparatively smooth and be parallel to developer roll axially and the height that developer roll directly makes progress be lower than Cang Gai along developer roll axially among the mode of transition face of section, make this high capacity cartridge can be applicable to that more structures have various types of laser printers of difference slightly.Like this, not only can fully excavate the application potential of high capacity cartridge, various types of laser printers of difference obtain using more widely also can to make structure have slightly.This cartridge is simple in structure, and production technology is easy, and applicability is good, the application efficiency height.
Description of drawings
Fig. 1 has carbon powder cartridge for laser printer one skeleton view now.
Fig. 2 has carbon powder cartridge for laser printer two skeleton views now.
Fig. 3 the utility model carbon powder cartridge for laser printer skeleton view one.
Fig. 4 the utility model carbon powder cartridge for laser printer skeleton view two.
Embodiment
Describe the utility model carbon powder cartridge for laser printer in detail below in conjunction with accompanying drawing.
Referring to 3,4, the skeleton view and the fragmentary, perspective view thereof of the utility model carbon powder cartridge for laser printer is shown respectively.
On cartridge 300, be laid with developer roll, powder feeding roller, powder delivery cutter, puddle support and toner 301.Developer roll is supported in the meal outlet that is opened on the toner 301.Puddle support with its axially parallel in the axial mode rotatably support of developer roll in toner 301.Puddle support and developer roll axial two ends separately all stretch out in outside the toner 301, form independent rotation separately so that accept the moment of torsion that the laser printing machine host transmits.The powder delivery cutter also is set up near the meal outlet of toner 301, and its cutting edge portion keeps in touch with the outer circumference surface of developer roll, and powder delivery cutter integral body is also being born the effect with regard to self position sealing meal outlet.The powder delivery cutter is made of knife rest and sword sheet.The sword sheet has elasticity preferably, and it is fixed on the knife rest by bolt or bonding form, and cutting edge portion is the end of sword sheet contact developer roll outer circumference surface.Under the powder delivery cutter is assembled to state on the cartridge 300, the long side direction of knife rest be parallel to developer roll axially.
Claims (1)
1. carbon powder cartridge for laser printer, comprise developer roll, powder feeding roller, the powder delivery cutter, puddle support and toner, described puddle support with its axially parallel in the axial mode rotatably support of described developer roll in described toner, the axial two ends of described puddle support stretch out in outside the described toner, described toner by on described developer roll axial cross section, be big radian circular-arc and along described developer roll radially towards the outside Cang Gai sealing of protruding of described cartridge, it is characterized in that, described Cang Gai be respectively arranged with along the axial two ends of described developer roll comparatively smooth on the described developer roll axial cross section and be parallel to described developer roll axially and the height that described developer roll directly makes progress be lower than described Cang Gai along described developer roll axially among the transition face of section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201316598U CN201638009U (en) | 2010-03-16 | 2010-03-16 | Carbon powder box for laser printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201316598U CN201638009U (en) | 2010-03-16 | 2010-03-16 | Carbon powder box for laser printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201638009U true CN201638009U (en) | 2010-11-17 |
Family
ID=43082513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201316598U Expired - Lifetime CN201638009U (en) | 2010-03-16 | 2010-03-16 | Carbon powder box for laser printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201638009U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106773572A (en) * | 2016-12-31 | 2017-05-31 | 珠海格美达科技有限公司 | A kind of Novel toner cartridge |
-
2010
- 2010-03-16 CN CN2010201316598U patent/CN201638009U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106773572A (en) * | 2016-12-31 | 2017-05-31 | 珠海格美达科技有限公司 | A kind of Novel toner cartridge |
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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: 20101117 |
|
| CX01 | Expiry of patent term |