CN201820079U - Toner cartridge - Google Patents
Toner cartridge Download PDFInfo
- Publication number
- CN201820079U CN201820079U CN2010205102719U CN201020510271U CN201820079U CN 201820079 U CN201820079 U CN 201820079U CN 2010205102719 U CN2010205102719 U CN 2010205102719U CN 201020510271 U CN201020510271 U CN 201020510271U CN 201820079 U CN201820079 U CN 201820079U
- Authority
- CN
- China
- Prior art keywords
- developer
- developer roll
- feeding roller
- developing chamber
- toner
- 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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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
- G03G15/06—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
- G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
- G03G15/0887—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity
-
- 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
- G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dry Development In Electrophotography (AREA)
Abstract
The utility model provides a toner cartridge, which comprises a toner bin, a developer bin and an auxiliary roller. A communicating port is arranged between the developer bin and the toner bin; and the developer bin is provided with a toner outlet, a developer roller, a sealing part and a toner outlet, wherein the developer roller is rotatably mounted at the position of the toner outlet, and the sealing part is arranged between the toner outlet and the developer roller. A toner feeding roller is further rotatably mounted in the developer bin and flexibly abutted to the developer roller. The auxiliary roller is mounted in the developer bin and flexibly abutted to the toner feeding roller, and the auxiliary roller is arranged on a channel of the communicating port is directly opposite to the developer roller. By adding the auxiliary roller, the toner cartridge improves toner electrification of the toner feeding roller and the developer roller, and developer quality of the toner cartridge is enhanced.
Description
Technical field
The utility model relates to a kind of printing consumables, the especially a kind of carbon dust carried charge of powder feeding roller and developer roll and cartridge of carried charge uniformity coefficient of increasing.
Background technology
The structure of laser printer carbon powder box generally comprises the developing chamber that is used to hold the powder storehouse of carbon dust and developing apparatus is installed, and powder feeding roller, developer roll, powder delivery cutter and seal etc. are installed in developing chamber.Laser printer at work, carbon dust in the powder storehouse enters developing chamber under the cartridge upset, be sent to the developer roll surface by powder feeding roller again, carbon dust layer thickness and carried charge by powder delivery cutter control developer roll surface are sent to the printer photosensitive drum surface again and realize the electrostatic development function.
Referring to Fig. 1, be a kind of axial cross-sectional figure of existing cartridge, comprise the powder storehouse 100 and the developing chamber 103 that are interconnected by a connected entrance 102, on developing chamber 103, also has a meal outlet 108, on meal outlet 108, be rotatablely equipped with developer roll 105, the seal 103 that is used for anti-leak-stopping powder also is installed on meal outlet 108, and being positioned at developer roll 105 belows has a powder delivery cutter 106, is positioned at developing chamber 103 rotations a powder feeding roller 104 that compresses with developer roll 105 elasticity is installed.
What be used on the laser color printer cartridge is installed is a swivel mount, and there is a turning axle at the center of swivel mount, with the turning axle is to be evenly equipped with four cartridge containing cavities on the circumference at center.Cartridge is fixed in the containing cavity, the axial and rotating shaft parallel of developer roll.In the print procedure, along with the rotation of swivel mount, cartridge rotates around turning axle.When cartridge rotates to powder storehouse 100 when occuping developing chamber 102 tops, carbon dust in the powder storehouse 100 falls into developing chamber 102 from connected entrance 101, the part carbon dust is deposited on the powder feeding roller 104, and under the pivoting friction effect of powder feeding roller 104 and developer roll 105, carbon dust is sent to developer roll 105 surfaces.Simultaneously, be connected with charging device with the seal 103 that developer roll 105 directly contacts, seal can charge to developer roll 105, thereby makes the carbon dust on the developer roll 105 charged, and powder feeding roller 104 is also charged by conduction.At last, the developer roll 105 and the approaching electrostatic development function that realizes of photosensitive drums that have charged toner.
This cartridge has some shortcomings: one) carbon dust on the powder feeding roller 104 is fallen from the communication port 101 in powder storehouse 100, and cartridge is rotating always, so fall in the carbon dust amount on powder feeding roller 104 surfaces inhomogeneous at every turn, cause on the powder feeding roller 104 the carbon dust carried charge few and inhomogeneous, can influence the charged situation of carbon dust on the developer roll 105, influence development effect; Two) because communication port 101 has directly relative space 107 with developing chamber 102 on a certain angle, when carbon dust falls into developing chamber 102 from powder storehouse 100, carbon dust directly falls on developer roll 105, make carbon dust maldistribution on the developer roll 105, then the carbon dust carried charge is few and inhomogeneous on the developer roll 105, and development effect is bad.
Summary of the invention
The purpose of this utility model provides a kind of carried charge of powder feeding roller and developer roll carbon dust and cartridge of carried charge uniformity coefficient of improving.
For realizing above-mentioned purpose, the cartridge that the utility model provides comprises: the powder storehouse; Developing chamber is provided with a connected entrance between developing chamber and the powder storehouse, and developing chamber is provided with a meal outlet, be rotatably installed in a developer roll of meal outlet position, be arranged on the seal between meal outlet and the developer roll, the powder delivery cutter, also rotate in the developing chamber powder feeding roller is installed, powder feeding roller and developer roll elasticity compress; One help roll, help roll are installed in the developing chamber, and help roll and powder feeding roller elasticity compress, and help roll is arranged on the directly relative passage of connected entrance and developer roll.
By such scheme as seen, in developing chamber, increase by a help roll, by the friction of help roll and powder feeding roller, make the powder feeding roller surface carbon dust evenly and the carbon dust amount increase, thereby powder feeding roller with the developer roll contact process in can increase the carbon dust carried charge and carried charge evenly distributes.In addition, help roll is blocked on the directly relative passage of connected entrance and developer roll, and can prevent that the carbon dust that comes out at the connected entrance place directly is poured on influences the carbon dust of developer roll carried charge on the developer roll.
A preferred scheme is that described help roll is fixedly mounted in the described developing chamber.Help roll transfixion in developing chamber can alleviate the driving force of toner, reduces loss.
Description of drawings
Fig. 1 is the structure cut-open view of background technology.
Fig. 2 is the structure cut-open view of the utility model embodiment.
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment
Referring to Fig. 2, be the axial cross-sectional figure of present embodiment cartridge, cartridge is made up of a powder storehouse 200 and a developing chamber 202 that holds carbon dust, offers a connected entrance 201 on powder storehouse 200 and the inwall that developing chamber 202 links to each other.
Offer a meal outlet 208 on another sidewall of the developing chamber 202 relative with connected entrance 201, a developer roll 205 is arranged on meal outlet 208, the two ends of developer roll 205 are rotatably installed on developing chamber 202 frameworks.
The below that is positioned at developer roll 205 is equipped with a powder delivery cutter 206, and powder delivery cutter 206 is against carbon dust thickness and the carried charge that is used to control developer roll 205 surfaces on developer roll 205 surfaces.
In order to prevent that carbon dust from spilling from meal outlet 208, between meal outlet 208 and developer roll 205, rectangular seal is installed, comprise the seal that is positioned at developer roll 205 upper and lower sides and the seal on the developer roll two ends, wherein seal 203 also is connected with charging device, the seal 203 general diaphragm seals that adopt conduction, diaphragm seal is fitted on the developer roll 205, not only electric weight has been passed to developer roll 205 but also has been prevented that carbon dust from spilling.
In developing chamber 202, also have a powder feeding roller 204 and a help roll 209.Powder feeding roller 204 two ends are rotatably installed on developing chamber 202 frameworks, powder feeding roller 204 compresses with developer roll 205 elasticity, powder feeding roller 204 is towards meal outlet direction extruding developer roll 205, and by the friction of powder feeding roller 204 with developer roll 205, the carbon dust on the powder feeding roller 204 is developed roller 205 surface adsorption.The two ends of help roll 209 are fixedly mounted on developing chamber 202 frameworks, help roll 209 compresses with powder feeding roller 204 elasticity, and help roll 209 is positioned at powder feeding roller 204 tops, be blocked on the directly relative passage (C zone among Fig. 2) of connected entrance 201 and developer roll 205, thereby prevent that the carbon dust that connected entrance 201 places fall from dropping to 207 places, space, directly fall on the developer roll 205, influence the carbon dust carried charge and the uniformity coefficient of developer roll 205.
The present embodiment principle of work.
When cartridge is installed on the printer, in the print procedure, cartridge is around the turning axle upset of swivel mount, when powder storehouse 200 goes to developing chamber 202 tops, carbon dust in the powder storehouse 200 can be poured into the developing chamber 202 from connected entrance 201, can pile up the part carbon dust on help roll 209 and the powder feeding roller 204.And,,, influence developer roll carbon dust carried charge so carbon dust can not drop on the developer roll 205 because help roll 209 is blocked on the direct relative passage of connected entrance 201 and seal 203 (seeing the C zone shown in Fig. 2).
Under the rotary action of developer roll 205 and powder feeding roller 204, between help roll 209 and powder feeding roller 204 and developer roll 205 and the powder feeding roller 204 fricting movement is arranged all.The friction of help roll 209 and powder feeding roller 204 makes powder feeding roller 204 surperficial carbon dust amounts evenly distribute and has increased the carbon dust carried charge.Then, powder feeding roller 204 rubs with developer roll 205 again, carbon dust is passed to developer roll 205, because the many and evenly distribution of powder feeding roller 204 self carbon dust carried charge, so with developer roll 205 friction processes in, can make on the developer roll 205 that the carbon dust carried charge is many and be evenly distributed, thereby improve development effect.
The utility model reasonable in design is used reliably, has effectively improved the development quality of cartridge.
Certainly, the foregoing description only is the preferable embodiment of the utility model, during practical application more variation can also be arranged, for example, the number of help roll, help roll adopts and rotates mode of installing or the like, and these changes can realize the purpose of this utility model equally.
Only be to explanation of the present utility model rather than restriction for example more than, protection domain of the present utility model is as the criterion with the content of claim.As the common engineering technical personnel of this area, any equivalence techniques conversion of making based on inventive spirit of the present utility model is all within protection domain of the present utility model.
Claims (2)
1. cartridge comprises
The powder storehouse;
Developing chamber, be provided with a connected entrance between described developing chamber and the described powder storehouse, described developing chamber is provided with a meal outlet, be rotatably installed in a developer roll of described meal outlet position, be arranged on the seal between described meal outlet and the developer roll, the powder delivery cutter also rotates in the described developing chamber powder feeding roller is installed, and described powder feeding roller and described developer roll elasticity compress;
It is characterized in that:
One help roll, described help roll are installed in the described developing chamber, and described help roll and described powder feeding roller elasticity compress, and described help roll is arranged on the directly relative passage of described connected entrance and developer roll.
2. cartridge according to claim 1 is characterized in that:
Described help roll is fixedly mounted in the described developing chamber.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205102719U CN201820079U (en) | 2010-08-30 | 2010-08-30 | Toner cartridge |
| PCT/CN2011/079027 WO2012028075A1 (en) | 2010-08-30 | 2011-08-29 | Toner cartridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205102719U CN201820079U (en) | 2010-08-30 | 2010-08-30 | Toner cartridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201820079U true CN201820079U (en) | 2011-05-04 |
Family
ID=43918028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205102719U Expired - Lifetime CN201820079U (en) | 2010-08-30 | 2010-08-30 | Toner cartridge |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN201820079U (en) |
| WO (1) | WO2012028075A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012028075A1 (en) * | 2010-08-30 | 2012-03-08 | 珠海天威飞马打印耗材有限公司 | Toner cartridge |
| WO2014101603A1 (en) * | 2012-12-27 | 2014-07-03 | 珠海天威飞马打印耗材有限公司 | Processing cartridge for laser printer |
| CN109445258A (en) * | 2018-12-01 | 2019-03-08 | 广州奥盛电子科技有限公司 | A kind of cartridge for preventing developer roll from gluing powder and impression |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11231614A (en) * | 1998-02-18 | 1999-08-27 | Fuji Xerox Co Ltd | Charge imparting member, transfer device using the same and image forming device |
| JP3103561B1 (en) * | 2000-06-07 | 2000-10-30 | 松下電器産業株式会社 | Color image recording device |
| JP2003345104A (en) * | 2003-05-29 | 2003-12-03 | Ricoh Co Ltd | Color image forming apparatus |
| CN201820079U (en) * | 2010-08-30 | 2011-05-04 | 珠海天威飞马打印耗材有限公司 | Toner cartridge |
-
2010
- 2010-08-30 CN CN2010205102719U patent/CN201820079U/en not_active Expired - Lifetime
-
2011
- 2011-08-29 WO PCT/CN2011/079027 patent/WO2012028075A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012028075A1 (en) * | 2010-08-30 | 2012-03-08 | 珠海天威飞马打印耗材有限公司 | Toner cartridge |
| WO2014101603A1 (en) * | 2012-12-27 | 2014-07-03 | 珠海天威飞马打印耗材有限公司 | Processing cartridge for laser printer |
| CN109445258A (en) * | 2018-12-01 | 2019-03-08 | 广州奥盛电子科技有限公司 | A kind of cartridge for preventing developer roll from gluing powder and impression |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012028075A1 (en) | 2012-03-08 |
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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: 20110504 |
|
| CX01 | Expiry of patent term |