CN202257044U - Toner cartridge used for laser printer - Google Patents
Toner cartridge used for laser printer Download PDFInfo
- Publication number
- CN202257044U CN202257044U CN 201120403209 CN201120403209U CN202257044U CN 202257044 U CN202257044 U CN 202257044U CN 201120403209 CN201120403209 CN 201120403209 CN 201120403209 U CN201120403209 U CN 201120403209U CN 202257044 U CN202257044 U CN 202257044U
- Authority
- CN
- China
- Prior art keywords
- powder
- cartridge
- flexible sealing
- laser printer
- delivery cutter
- 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
- G03G15/0806—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
- G03G15/0817—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 characterised by the lateral sealing at both sides of the donor member with respect to the developer carrying direction
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dry Development In Electrophotography (AREA)
Abstract
The utility model relates to a toner cartridge used for a laser printer, which comprises a cartridge shell, a powder feed roll, a developing roll, a powder discharge knife, a flexible sealing element and an extruding element, wherein the powder feed roll and the developing roll are installed in the cartridge shell and are supported by two opposite side walls of the cartridge shell; the powder outlet knife is fixed on the cartridge shell and is elastically contacted with the outer surface of the developing roll; the flexible sealing element is arranged in a gap between the side wall of the cartridge shell and the end part of the powder outlet knife and is pressed against on the outer circumference of the shaft ends of the powder feed roll and the developing roll; and the extruding element is pressed against on the flexible sealing element. The flexible sealing element and a rigid extruding element pressed against on the flexible sealing element are matched with each other, the width of the flexible sealing element is increased and the powder outlet knife is sealed, so that the quantity of the flexible sealing elements is reduced, the complexity of the tool is simplified, and the sealing effect is enhanced.
Description
Technical field
The utility model relates to the printer technology field, more particularly, relates to a kind of carbon powder cartridge for laser printer.
Background technology
Cartridge comprises a housing that has a powder storehouse, stirring apparatus, powder feeding roller, developer roll, photosensitive drums, charging device etc. at least.As shown in fig. 1, be the powder delivery cutter installation position structural representation of existing carbon powder cartridge for laser printer.Wherein, the powder feeding roller (not shown) is installed in the powder storehouse housing 91 also rotatable by the frame supported of powder storehouse housing 91, and housing 91 inside are sent to the outlet of powder storehouse from the powder storehouse with carbon dust; Developer roll 92 is installed in exit, powder storehouse; Developer roll 92 is also also rotatable by the frame supported of powder storehouse housing 91, and its outer circumference surface adheres to carbon dust it is spread out of outside the powder storehouse housing 91, and the photosensitive drums (not shown) is also also rotatable by the frame supported of powder storehouse housing 91; Its surface can be recharged; Show electrostatic latent image, developer roll 92 is with carbon dust then be adsorbed onto on the photosensitive drum surface, and carbon dust forms the visual image that naked eyes can be watched after covering the electrostatic latent image of photosensitive drum surface.
For ensureing the development quality, also be fixed with a powder delivery cutter 93 on the powder storehouse housing 91, be used for being controlled at the thickness of regulation being transported to carbon dust on the developer roll 92.The length of powder delivery cutter 93 and developer roll 92 are roughly the same, and keep Elastic Contact with the outside surface of developer roll 92.In order to prevent the carbon dust leakage in the powder storehouse, adopt between two flexible sealing elements usually in the prior art to be in contact with one another, make it sealing.As being respectively equipped with powder feeding roller sealing sponge 94 on two opposing sidewalls in the powder storehouse among Fig. 1, this powder feeding roller sealing sponge 94 overlays on the external peripheral surface of powder feeding roller end, and with the outer circumference surface Elastic Contact of developer roll 92 ends.And the upper surface of powder delivery cutter 93 is coated with powder delivery cutter sealing sponge 95, and this powder delivery cutter sealing sponge 95 is in contact with one another with powder feeding roller sealing sponge 94, and powder delivery cutter 93 is realized sealing.Yet this mode adopts two flexible sealing elements, and the position sealing effectiveness that joins is not good.
The utility model content
The technical matters that the utility model will solve is; Powder delivery cutter sealing mechanism complicacy and the not good defective of sealing effectiveness to existing carbon powder cartridge for laser printer provide flexible sealing element of a kind of employing and the carbon powder cartridge for laser printer that the rigid seal element seals the powder delivery cutter.
The utility model solves the technical scheme that its technical matters adopted: construct a kind of carbon powder cartridge for laser printer; Comprise powder storehouse housing, be installed in the housing of powder storehouse powder feeding roller and developer roll that two opposing sidewalls by powder storehouse housing support, and be fixed on the housing of powder storehouse the powder delivery cutter with the outside surface Elastic Contact of developer roll; Said cartridge also comprises in the gap that is arranged between powder storehouse housing sidewall and the powder delivery cutter end and overlays the flexible sealing element on said powder feeding roller and developer roll axle head excircle, and overlays the extrusion element on said flexible sealing element.
In the described carbon powder cartridge for laser printer according to the utility model, said extrusion element also overlays the upper surface of part at least in said powder delivery cutter.
In the described carbon powder cartridge for laser printer according to the utility model, said extrusion element is the compressing tablet that is fixed on said powder storehouse housing upper surface.
In the described carbon powder cartridge for laser printer according to the utility model, said flexible sealing element is the sealing sponge.
In the described carbon powder cartridge for laser printer according to the utility model, the width of said sealing sponge is equal to or less than the gap width between said powder storehouse housing sidewall and the powder delivery cutter end.
In the described carbon powder cartridge for laser printer according to the utility model, said cartridge also comprises and overlays sponge on the powder delivery cutter on the said powder delivery cutter.
In the described carbon powder cartridge for laser printer according to the utility model, said extrusion element also overlays the upper surface of sponge on the said powder delivery cutter of part at least.
Implement the carbon powder cartridge for laser printer of the utility model; Have following beneficial effect: the utility model is arranged on the flexible sealing element in the gap between powder storehouse housing sidewall and the powder delivery cutter end through employing; And overlay the extrusion element on this flexible sealing element, the powder delivery cutter is sealed, thereby reduced the quantity of flexible sealing element; Simplify the complicacy of frock, and strengthened sealing effectiveness.
Description of drawings
To combine accompanying drawing and embodiment that the utility model is described further below, in the accompanying drawing:
Fig. 1 is the powder delivery cutter installation position structural representation of existing carbon powder cartridge for laser printer;
Fig. 2 is according to the printer of the utility model powder delivery cutter installation position inner structure synoptic diagram with cartridge;
Fig. 3 is according to the printer of the utility model powder delivery cutter installation position synoptic diagram after the powder delivery cutter is installed with cartridge;
Fig. 4 is according to the printer of the utility model powder delivery cutter installation position synoptic diagram after extrusion element is installed with cartridge.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.
The cartridge that the utility model provides also comprises a housing that has a powder storehouse, stirring apparatus, powder feeding roller, developer roll, photosensitive drums, charging device etc. at least.As shown in Figure 2, for according to the printer of the utility model powder delivery cutter installation position inner structure synoptic diagram with cartridge.Wherein, powder feeding roller 6 is installed in the powder storehouse housing 1 also rotatable by the frame supported of powder storehouse housing 1, and housing 1 inside is sent to the outlet of powder storehouse from the powder storehouse with carbon dust; Developer roll 2 is installed in exit, powder storehouse; Developer roll 2 is also also rotatable by the frame supported of powder storehouse housing 1, and its outer circumference surface adheres to carbon dust it is spread out of outside the powder storehouse housing 1, and the photosensitive drums (not shown) is also also rotatable by the frame supported of powder storehouse housing 1; Its surface can be recharged; Show electrostatic latent image, developer roll 2 is with carbon dust then be adsorbed onto on the photosensitive drum surface, and carbon dust forms the visual image that naked eyes can be watched after covering the electrostatic latent image of photosensitive drum surface.
The powder delivery cutter sealing mechanism of the cartridge that the utility model provides comprises the extrusion element of a flexible sealing element and a rigidity.In Fig. 2; Before the powder delivery cutter is not installed; Just flexible sealing element 4 is installed in the sidewall and the gap between the powder delivery cutter end of powder storehouse housing 1; This flexible sealing element 4 overlays on the axle head excircle of powder feeding roller 6, and this flexible sealing element 4 also overlays on developer roll 2 axle head excircles simultaneously.This flexible sealing element 4 is preferably the sealing sponge, also can select other material that is applicable to sealing well known to those skilled in the art for use.
See also Fig. 3, for according to the printer of the utility model powder delivery cutter installation position synoptic diagram after the powder delivery cutter is installed with cartridge.As shown in Figure 3, on powder storehouse housing 1, fixed powder delivery cutter 3, the length of powder delivery cutter 3 is slightly less than the width of developer roll 2, and keeps Elastic Contact with the outside surface of developer roll 2, is used for being controlled at the thickness of regulation being transported to carbon dust on the developer roll 2.The width of flexible sealing element 4 is less than or equal to the sidewall of powder storehouse housing 1 and the width in the gap between powder delivery cutter 3 ends; Width like flexible sealing element among Fig. 34 equals the sidewall of powder storehouse housing 1 and the width in the gap between the powder delivery cutter end, thereby contacts with it.Preferably, also be provided with sponge 5 on the powder delivery cutter on the powder delivery cutter 3, it overlays on powder delivery cutter 3, and powder delivery cutter 3 is realized sealing.
See also Fig. 4, for according to the printer of the utility model powder delivery cutter installation position synoptic diagram after extrusion element is installed with cartridge.As shown in Figure 4, on the basis of printer of Fig. 3, extrusion element 7 has been installed with cartridge.This extrusion element 7 overlays on flexible sealing element 4, for example seals the extruding of sponge through 7 pairs of flexible sealing elements 4 of extrusion element, makes the distortion of sealing sponge, thereby strengthens the width of sealing sponge, reaches the effect of sealing.Preferably, this extrusion element 7 also overlays the upper surface of part at least in powder delivery cutter 3, thereby better powder delivery cutter 3 is realized sealing.Preferably, this extrusion element 7 adopts the compressing tablet of rigidity.This compressing tablet is fixed on the upper surface of powder storehouse housing 1 through screw 8.And in the present embodiment, extrusion element 7 also overlays the upper surface of part at least near the end of sponge 5 on the powder delivery cutter, thus realize multi-layer sealed, the enhanced leaktightness effect.
To sum up; The utility model is arranged on the flexible sealing element in the gap between powder storehouse housing sidewall and the powder delivery cutter end through employing; And overlay the extrusion element on this flexible sealing element, the powder delivery cutter is sealed, thereby reduced the quantity of flexible sealing element; Simplify the complicacy of frock, and strengthened sealing effectiveness.
The utility model is described according to specific embodiment, but it will be understood by those skilled in the art that when not breaking away from the utility model scope, can carry out various variations and be equal to replacement.In addition, for adapting to the specific occasion or the material of the utility model technology, can carry out many modifications and not break away from its protection domain the utility model.Therefore, the utility model is not limited to specific embodiment disclosed herein, and comprises that all drop into the embodiment of claim protection domain.
Claims (7)
1. carbon powder cartridge for laser printer comprises powder storehouse housing, is installed in the housing of powder storehouse powder feeding roller and developer roll that two opposing sidewalls by powder storehouse housing support, and is fixed on the housing of powder storehouse the powder delivery cutter with the outside surface Elastic Contact of developer roll; It is characterized in that,
Said cartridge also comprises in the gap that is arranged between powder storehouse housing sidewall and the powder delivery cutter end and overlays the flexible sealing element on said powder feeding roller and developer roll axle head excircle, and overlays the extrusion element on said flexible sealing element.
2. carbon powder cartridge for laser printer according to claim 1 is characterized in that, said extrusion element also overlays the upper surface of part at least in said powder delivery cutter.
3. carbon powder cartridge for laser printer according to claim 1 is characterized in that, said extrusion element is the compressing tablet that is fixed on said powder storehouse housing upper surface.
4. carbon powder cartridge for laser printer according to claim 1 is characterized in that, said flexible sealing element is the sealing sponge.
5. carbon powder cartridge for laser printer according to claim 4 is characterized in that, the width of said sealing sponge is equal to or less than the gap width between said powder storehouse housing sidewall and the powder delivery cutter end.
6. according to any described carbon powder cartridge for laser printer among the claim 1-5, it is characterized in that said cartridge also comprises and overlays sponge on the powder delivery cutter on the said powder delivery cutter.
7. carbon powder cartridge for laser printer according to claim 6 is characterized in that, said extrusion element also overlays the upper surface of sponge on the said powder delivery cutter of part at least.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120403209 CN202257044U (en) | 2011-10-20 | 2011-10-20 | Toner cartridge used for laser printer |
| PCT/CN2012/082409 WO2013056618A1 (en) | 2011-10-20 | 2012-09-29 | A toner cartridge used for a laser printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120403209 CN202257044U (en) | 2011-10-20 | 2011-10-20 | Toner cartridge used for laser printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202257044U true CN202257044U (en) | 2012-05-30 |
Family
ID=46118258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120403209 Expired - Lifetime CN202257044U (en) | 2011-10-20 | 2011-10-20 | Toner cartridge used for laser printer |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN202257044U (en) |
| WO (1) | WO2013056618A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013056618A1 (en) * | 2011-10-20 | 2013-04-25 | 珠海天威飞马打印耗材有限公司 | A toner cartridge used for a laser printer |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000056561A (en) * | 1998-08-04 | 2000-02-25 | Canon Inc | Developing device, process cartridge, electrophotographic image forming device |
| JP3854897B2 (en) * | 2002-05-21 | 2006-12-06 | キヤノン株式会社 | Developing device, process cartridge, and image forming apparatus |
| JP2005326445A (en) * | 2004-05-12 | 2005-11-24 | Matsushita Electric Ind Co Ltd | Developing device and process cartridge |
| KR100739772B1 (en) * | 2005-12-09 | 2007-07-13 | 삼성전자주식회사 | A developing device providing improved sealing structure |
| CN202257044U (en) * | 2011-10-20 | 2012-05-30 | 珠海天威飞马打印耗材有限公司 | Toner cartridge used for laser printer |
-
2011
- 2011-10-20 CN CN 201120403209 patent/CN202257044U/en not_active Expired - Lifetime
-
2012
- 2012-09-29 WO PCT/CN2012/082409 patent/WO2013056618A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013056618A1 (en) * | 2011-10-20 | 2013-04-25 | 珠海天威飞马打印耗材有限公司 | A toner cartridge used for a laser printer |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013056618A1 (en) | 2013-04-25 |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |