CN2911740Y - Carbon power cartridge for laser printer - Google Patents
Carbon power cartridge for laser printer Download PDFInfo
- Publication number
- CN2911740Y CN2911740Y CN 200620059606 CN200620059606U CN2911740Y CN 2911740 Y CN2911740 Y CN 2911740Y CN 200620059606 CN200620059606 CN 200620059606 CN 200620059606 U CN200620059606 U CN 200620059606U CN 2911740 Y CN2911740 Y CN 2911740Y
- Authority
- CN
- China
- Prior art keywords
- developer roll
- developing agent
- scraping blade
- powder
- developing room
- 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 - Fee Related
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- Dry Development In Electrophotography (AREA)
Abstract
The utility model discloses a carbon powder box for a laser printer, comprising a powder storage (1) and a developing agent chamber (2). An agitating rack (11) is positioned in the powder storage (1), a powder supply roller (21) is arranged on a side close to the developing agent chamber (2) and a developing agent roller (22) is positioned on a side far away from the developing agent chamber (2); wherein a lower end cavity surface of the developing agent chamber (2) is provided with a protrusion (3), a wiper blade (4) merges into the protrusion (3) to fix on the lower end cavity surface of the developing agent chamber (2), an end of the wiper blade (4) tightly attaches a cylinder surface of a lower end of the power supply roller (21) on a axial cross section of the developing agent roller (22), a part corresponding with the lower end of the wiper blade (4) keep a clearance with the lower cylinder surface of the developing agent roller (22). The wiper blade of the carbon powder box has a steady fixed mating relationship with an inner surface of the lower end of the developing agent chamber and cannot be influenced by the environment condition and the rotating state of the power supply roller.
Description
[technical field]
The utility model relates to a kind of cartridge, especially a kind of cartridge that is used on the laser printer.
[background technology]
Existing carbon powder cartridge for laser printer generally includes the developing room that is used to hold the powder storehouse of carbon dust and holds developing apparatus.Be used for the powder feeding roller that is cylindricality that carbon dust is sent being equipped with near a side of developing room, adjacent with powder feeding roller and be equipped with, be used to develop to the developer roll that picture is cylindricality away from a side of developing room.On developer roll, press the powder delivery cutter that is useful on control carbon dust layer thickness.Usually, on the housing surface of the lower end of developing room, be fixed with scraping blade with two-sided gluing card.This scraping blade one end is close to the powder feeding roller bottom cylindrical surface, and scraping blade is corresponding to keeping a gap between the position of developer roll lower end and the developer roll bottom cylinder.Scraping blade is provided with sponge corresponding to the upper surface in gap, and sponge and developer roll bottom cylinder fit tightly.During use, be positioned at the puddle support rotation of center, powder storehouse or close center, powder storehouse, stir carbon dust, simultaneously, the carbon dust that stirs is sent to powder feeding roller.The powder feeding roller rotation is sent to developer roll to the carbon dust of sending here from puddle support.Transmit in the carbon dust process in powder feeding roller, because carbon dust can stick to its surface, at this moment the scraping blade that presses with powder feeding roller will scrape sticking to its surperficial carbon dust, and the carbon dust that scrapes slides on the sponge corresponding with developer roll along the spongy layer that tilts.The developer roll rotation adheres to from the carbon dust of powder feeding roller transmission with by the carbon dust that scraping blade scrapes, and prints action.But because existing scraping blade is normally by two-sided gluing being posted on the wall surface of chamber, developing room lower end, in use, on the one hand, under the spin friction of powder feeding roller drove, scraping blade was easy to come off; On the other hand, under the influence of temperature and humidity, double faced adhesive tape tends to lose its sticking obedient effect, also can cause coming off of scraping blade, and then have influence on the print quality of laser printer.Therefore be necessary existing this laser printer carbon powder box structure is improved.
[utility model content]
The purpose of this utility model provides a kind of carbon powder cartridge for laser printer, and the scraping blade of this cartridge and developing room lower end inner wall surface have stablizes firm matching relationship, is not subjected to the influence of environmental baseline and powder feeding roller rotation attitude.
Carbon powder cartridge for laser printer according to the above-mentioned purpose design, comprise powder storehouse and developing room, at the center in powder storehouse or the position at close center puddle support is installed, powder feeding roller being installed, developer roll is being installed away from developing room one side and with the powder feeding roller position adjacent near described developing room one side; Wherein, developing room is provided with projection corresponding to developer roll lower end housing surface, scraping blade is by being fixed on the lower end housing surface of developing room with the projection fusion, on the axial cross section of developer roll, scraping blade one end is close to described powder feeding roller bottom cylindrical surface, and scraping blade is corresponding to keeping a gap between the position of developer roll lower end and the developer roll bottom cylinder.
Above-mentioned carbon powder cartridge for laser printer, the scraping blade that is provided is provided with sponge corresponding to the upper surface in gap, and sponge and developer roll bottom cylinder fit tightly.
Compared with prior art, the beneficial effects of the utility model are: because the utility model is provided with projection at developing room on corresponding to developer roll lower end housing surface, scraping blade is by being fixed on the wall surface of chamber, developing room lower end with this projection fusion; Therefore, the fixed form of this scraping blade is more firm, and the method that has overcome the two-sided gluing card of traditional use is fixed on the inwall in powder delivery district scraping blade, because the influence of temperature and humidity etc., the caducous shortcoming of scraping blade, thereby the serviceable life of having improved cartridge.
[description of drawings]
Fig. 1 is a decomposing schematic representation of the present utility model;
Fig. 2 is this use new structure cut-open view (before projection and the scraping blade fusion);
Fig. 3 is this use new structure cut-open view (projection and scraping blade fusion back).
[embodiment]
Below in conjunction with the drawings and specific embodiments the utility model is done and to be described in further detail.
Referring to Fig. 1, Fig. 2, one-piece construction of the present utility model.
This cartridge comprises the developing room 2 that is used to hold the powder storehouse 1 of carbon dust and outwards transmits carbon dust.
Specifically, at 1 center, powder storehouse or near the position at center puddle support 11 is installed.Puddle support 11 is used to stir the carbon dust that is positioned at powder storehouse 1, simultaneously carbon dust is sent to developing room 2.
Near developing room 2 one sides powder feeding roller 21 is being installed, powder feeding roller 21 is cylindricality.Be sent to the carbon dust of developing room 2 from powder storehouse 1, the powder feeding roller 21 that is rotated work adheres to and receives.
Away from developing room 2 one sides developer roll 22 is being installed, it is adjacent with powder feeding roller 21, and developer roll 22 is cylindricality.Powder feeding roller 21 by rotation, is sent to the surface of developer roll 22 to carbon dust after receiving carbon dust, print work so be stained with developer roll 22 rotations of carbon dust.
In order to regulate the carbon dust thickness that sticks to developer roll 22 surfaces, on developer roll 22 surface on the top, pressed powder delivery cutter 5.Distance between powder delivery cutter 5 and the developer roll is bigger, and the carbon dust thickness that sticks to developer roll 22 surfaces is just thicker, and the distance between powder delivery cutter 5 and the developer roll is less, and the carbon dust thickness that sticks to developer roll 22 surfaces is just thinner.
Referring to Fig. 3, concrete structure of the present utility model.
Developing room 2 is provided with projection 3 corresponding to developer roll 22 lower end housing surfaces.Scraping blade 4 is by being fixed on the lower end housing surface of developing room 2 with projection 3 fusions.From on the axial cross section of developer roll 22, scraping blade 4 one ends are close to powder feeding roller 21 bottom cylindrical surfaces, and scraping blade 4 is corresponding to keeping a gap between the position of developer roll 22 lower ends and the developer roll 22 bottom cylinders.Specifically, in order to make scraping blade 4, on scraping blade 4, have hole 41 by being fixed on the lower end housing surface of developing room 2 with projection 3 fusions.This hole 41 and projection 3 are corresponding and suitable protruding 3 install and to pass.After projection 3 was passed hole 41, with the fusion of scraping blade 4 upper surfaces, it fused preferred thermal weld fusion.Can make like this on firm chamber, the lower end wall surface that is fixed on developing room 2 of scraping blade 4.During use, powder feeding roller 21 rotations, scraping blade 4 can scrape the carbon dust that sticks to powder feeding roller 21 surfaces.
Be provided with sponge 42 at scraping blade 4 corresponding to the upper surface in gap, sponge 42 fits tightly with developer roll 22 bottom cylinders.By the carbon dust that scraping blade 4 scrapes, slide on the sponge corresponding with developer roll 22.Because sponge 42 fits tightly with developer roll 22 bottom cylinders, therefore, when carbon dust slided on the sponge corresponding with developer roll 22, the developer roll 22 that can be rotated work sticked to its surface.
The utility model is when work, and puddle support 11 rotations are sent to developing room 2 to the carbon dust in the powder storehouse 1.Be positioned at the powder feeding roller 21 of developing room 2 inboards, receive the carbon dust that transmits from puddle support 11, simultaneously the carbon dust that is received is sent to developer roll 22 places that are positioned at away from developing room 2 one sides.In use, can regulate the thickness of developer roll 22 surface adhesion carbon dusts by the distance between control powder delivery cutter 5 and the developer roll 22.Because in use, powder feeding roller 21 surfaces can be stained with carbon dust, and scraping blade 4 scrapes sticking to powder feeding roller 21 lip-deep carbon dusts, and the carbon dust that scrapes slips on the sponge that is positioned at developer roll 22 bottoms.Developer roll 22 rotations adhere to carbon dust that transmits from powder feeding roller 21 and the carbon dust that is scraped by scraping blade 4, print action.
Claims (2)
1. carbon powder cartridge for laser printer, comprise powder storehouse (1) and developing room (2), at the center of powder storehouse (1) or the position at close center puddle support (11) is installed, near described developing room (2) one sides powder feeding roller (21) is being installed, away from described developing room (2) one sides and with described powder feeding roller (21) position adjacent developer roll (22) is being installed, it is characterized in that: described developing room (2) is provided with projection (3) corresponding to described developer roll (22) lower end housing surface, scraping blade (4) is by being fixed on the lower end housing surface of developing room (2) with described projection (3) fusion, on the axial cross section of described developer roll (22), described scraping blade (4) one ends are close to described powder feeding roller (21) bottom cylindrical surface, and described scraping blade (4) is corresponding to keeping a gap between the position of described developer roll (22) lower end and described developer roll (22) the bottom cylinder.
2. as carbon powder cartridge for laser printer as described in the claim 1, it is characterized in that described scraping blade (4) is provided with sponge (42) corresponding to the upper surface in described gap, described sponge (42) fits tightly with described developer roll (22) bottom cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620059606 CN2911740Y (en) | 2006-05-24 | 2006-05-24 | Carbon power cartridge for laser printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620059606 CN2911740Y (en) | 2006-05-24 | 2006-05-24 | Carbon power cartridge for laser printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2911740Y true CN2911740Y (en) | 2007-06-13 |
Family
ID=38133606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620059606 Expired - Fee Related CN2911740Y (en) | 2006-05-24 | 2006-05-24 | Carbon power cartridge for laser printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2911740Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013067892A1 (en) * | 2011-11-11 | 2013-05-16 | 珠海天威飞马打印耗材有限公司 | Scraper and process cartridge |
-
2006
- 2006-05-24 CN CN 200620059606 patent/CN2911740Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013067892A1 (en) * | 2011-11-11 | 2013-05-16 | 珠海天威飞马打印耗材有限公司 | Scraper and process cartridge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070613 |