CN201156165Y - Powder delivery roller and carbon powder box - Google Patents
Powder delivery roller and carbon powder box Download PDFInfo
- Publication number
- CN201156165Y CN201156165Y CNU2008200442134U CN200820044213U CN201156165Y CN 201156165 Y CN201156165 Y CN 201156165Y CN U2008200442134 U CNU2008200442134 U CN U2008200442134U CN 200820044213 U CN200820044213 U CN 200820044213U CN 201156165 Y CN201156165 Y CN 201156165Y
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- China
- Prior art keywords
- powder feeding
- feeding roller
- roller
- hermatic door
- powder
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- Screw Conveyors (AREA)
Abstract
The utility model relates to a consumable used by a laser printer, in particular to a powdered carbon box. A powder-conveying roller comprises a driving end, a supporting end and a cylindrical roller part; wherein, the driving end is firmly connected with a driving part; the supporting end is extended into a sealing door in order to support the powder-conveying roller on the sealing door; the outer surface of the roller body is provided with a helicoid; strip-shaped grooves are axially arranged on the surface of the roller body. The powder-conveying roller with the structure is improved on the basis of the original structure, arranging the strip-shaped grooves used for the reflux of powdered carbon on the surface of the roller part of the powder-conveying roller, so, when the powder-conveying roller operates, the powdered carbon moves to one side; when too much powdered carbon is accumulated, the superfluous powdered carbon flows back along the axial channels; consequently, in the process of conveying powdered carbon, the powdered carbon box can effectively prevent the accumulation of powdered carbon, which leads to jam or abnormal noise and the reduction of residual printing powdered carbon.
Description
Technical field
The utility model relates to laser printer consumptive material and parts thereof, the powder feeding roller on especially a kind of cartridge and the cartridge.
Background technology
Cartridge comprises the toner that is used for the splendid attire carbon dust, and operated by rotary motion has puddle support and powder feeding mechanism in toner.Powder feeding mechanism mainly is made up of powder feeding roller and hermatic door.Collection of gear driven powder feeding roller and powder feeding, again by the negative hermatic door output carbon dust that opens a position and close the storehouse of holding concurrently.The carbon dust of sending arrives image-forming assembly from meal outlet.After image-forming assembly receives the carbon dust of powder storehouse supply, by development, transfer printing, the printing imaging process is finished in a series of running such as exposure image.
The powder feeding roller of using mainly contains two types at present: the one, and the spiral powder feeding roller; The 2nd, the sponge powder feeding roller.
The powder feeding of sponge powder feeding roller is even, but because of sponge with self space storage powder, one time powder sending quantity is less, efficient is lower.
General spiral powder feeding roller comprises three parts, one end is the drive end of fixedly connected driving shaft, the other end be stretch in the hermatic door, supporting the support end of powder feeding roller in hermatic door, the centre is a columned roller portion, the outside surface entire body of roller has conveyor screw, and rotation direction is constant.This structure is deposited following defective: because powder feeding roller surface distributing auger body, and rotation direction is constant, in the powder feeding course of work, carbon dust is subjected to axial force always and promotes, poly-more many more toward side's motion and carbon dust, the space that holds carbon dust is more and more littler, and carbon dust is piled up and is squeezed, very easily lump, and the consequence of caking can cause the powder feeding roller gear train stuck.This problem occurs now and then in actual applications, need make improvements.
Summary of the invention
The purpose of this utility model provides a kind of powder feeding roller, and this powder feeding roller can not produce the carbon dust packing phenomenon in the powder feeding process.
Another purpose of the present utility model provides a kind of cartridge, and the powder feeding roller of this cartridge can not produce the carbon dust packing phenomenon in the powder feeding process.
For realizing above-mentioned first purpose, the utility model provides following technical scheme:
Powder feeding roller comprises
The drive end of fixedly connected actuator;
Stretch in the hermatic door to support the support end of powder feeding roller on hermatic door;
Columned roller portion, the outside surface of roller portion is provided with conveyor screw;
Wherein,
Described roller portion surface is provided with the capable groove of bar vertically.
The powder feeding roller of said structure is improved on the basis of original structure, by be provided for the capable groove of bar that carbon dust refluxes on the powder feeding roller surface, when carbon dust produces the carbon dust overheap in the process that a side is carried, unnecessary carbon dust is shifted to an opposite side by axial passage, prevented the carbon dust accumulation in the powder feeding process effectively, and then the generation of having avoided mechanism blockage or having sent the abnormal sound situation.
For realizing above-mentioned another purpose, the utility model provides following technical scheme: cartridge comprises
The toner of holding carbon dust, meal outlet is arranged at the toner bottom;
Be supported in the toner, can rotate to open and close the hermatic door of described meal outlet along self axis, described hermatic door has half pipe shape part, is axially arranged with the casket mouth corresponding with described meal outlet at described semicircle tubular portion along hermatic door;
Powder feeding roller, its part is contained in the hermatic door, and described powder feeding roller can be rotated by described relatively hermatic door;
Described powder feeding roller comprises:
The drive end of fixedly connected actuator;
Stretch in the hermatic door to support the support end of powder feeding roller on hermatic door;
Columned roller portion, the outside surface of roller portion is provided with conveyor screw;
Wherein,
Described roller portion surface is provided with the capable groove of bar vertically.
Cartridge of the present utility model compared with prior art, powder feeding roller is improved on the basis of original structure, by be provided for the capable groove of bar that carbon dust refluxes on powder feeding roller roller portion surface, when carbon dust produces the carbon dust overheap in the process that a side is carried, unnecessary carbon dust is shifted to an opposite side by axial passage, prevented that effectively the carbon dust in the powder feeding process from piling up, and then the generation of having avoided mechanism blockage or having sent the abnormal sound situation, and reduced the Yu Fenliang of cartridge.
For realizing better technique effect, further technical scheme is:
Described roller portion surface is arranged with two capable grooves of bar vertically.
The quantity that increases the capable groove of bar can make the efficient of carbon dust backflow higher.
Further technical scheme is again:
It is no helical region that described roller portion has an end at least.
By gap at powder feeding roller roller portion conveyor screw ending place increase certain-length, promptly form and do not have spirochetal no helical region, like this when powder feeding roller is worked, the place disconnects because of the conveyor screw ending, eliminated enclosure space, it is many again that carbon dust was piled up, and also do not have again carbon dust caking and folder powder to cause the situation of mechanism blockage or abnormal sound to take place.
Description of drawings
Fig. 1 is the stereographic map of the first embodiment cartridge part assembly;
Fig. 2 is the stereographic map of powder feeding roller in the first embodiment cartridge;
Fig. 3 is the stereographic map that Fig. 1 removes another angle behind the housing that surrounds toner;
Fig. 4 is the stereographic map of hermatic door in the first embodiment cartridge;
Fig. 5 is the stereographic map of powder feeding roller in the second embodiment cartridge.
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment
Embodiment one
Referring to Fig. 1, this cartridge has the toner of holding carbon dust 5 that is surrounded by housing, for illustrate clear for the purpose of, omitted Cang Gai among Fig. 1, be provided with puddle support (figure does not show) in the toner 5, meal outlet is arranged at toner 5 bottoms.Hermatic door 2 is supported in the toner 5, and hermatic door 2 can open and close meal outlet with control along self axis rotation, and hermatic door 2 has half pipe shape part 21 (referring to Fig. 4), and semicircle tubular portion 21 is axially arranged with the casket mouth 211 corresponding with meal outlet along hermatic door 2.Hermatic door 2 aligns and staggers by rotation may command casket mouth 211 and meal outlet, when casket mouth 211 and meal outlet to timing, meal outlet is opened; When casket mouth 211 and meal outlet staggered, meal outlet was closed.That is to say that hermatic door 2 rotates just along self axis that may command opens and closes meal outlet 5.One drive disk assembly and hermatic door 2 circumferentially are fixedly connected, hermatic door 2 can be in the drive lower edge of drive disk assembly self axis rotation.The outside surface of semicircle tubular portion 21 is and near the toner meal outlet 5 airtight arc surfaces that contact of inwall.When hermatic door 2 rotated to a certain ad-hoc location, above-mentioned casket mouth 211 aligned with the meal outlet of toner 5, and carbon dust can arrive image-forming assemblies from toner 5, after image-forming assembly receives the carbon dust of toner 5 supplies, by developing transfer printing, the printing imaging process is finished in a series of running such as exposure image.And hermatic door 2 is when being in other positions, meal outlet is sealed, for prevent that carbon dust from spilling between hermatic door 2 and toner inwall, between hermatic door 2 and toner inwall, be provided with the sealing sponge, can certainly select the substitute of other seal elements as sealing sponge 7.
The structure of powder feeding roller 1 is referring to Fig. 2, it comprise fixedly connected driven wheel 3 (referring to Fig. 3) drive end 11, stretch in the hermatic door 2 supporting support end 12 and the columned roller portion 13 of powder feeding roller 1 in hermatic door 2, be provided with conveyor screw 14 vertically at the outside surface of roller portion 13.The surface of roller portion 13 is provided with two capable grooves 131 of 131, two bars of the capable groove of bar vertically and is symmetrical arranged with respect to the axis of roller portion 13.
Referring to Fig. 1, when cartridge is packed printer into when printing, carbon dust in the toner 5 is sent to powder feeding roller 1 place under the stirring of puddle support, and powder feeding roller 1 is rotated under the effect of driven wheel 3, and the surface of the conveyor screw 14 on the powder feeding roller 1 will produce an axial thrust to the carbon dust on it, and carbon dust is stressed to be moved axially along powder feeding roller 1 above meal outlet, at this moment, most of carbon dust gravitate and spirochetal stirring can fall from meal outlet, enter the powder-storage bin of developing device.Because the carbon dust amount of piling up on the powder feeding roller 1 is greater than the carbon dust amount that falls into the developing device powder-storage bin, unnecessary carbon dust then can continue to move vertically on the powder feeding roller 1, arrives the end of powder feeding roller 1 again, until the thrust that no longer continues to be subjected to conveyor screw 14 on the powder feeding roller 1.Then, carbon dust begins to pile up and produce pressure, and at this moment, carbon dust can fall into developing device toward the opposite direction backflow of conveyor screw 14 axial thrusts by capable groove 131 then by the bar on the powder feeding roller 1 under pressure.
Embodiment two
Embodiment two is that with the key distinction of embodiment one structure of powder feeding roller is different, and the structure of this routine developer roll as shown in Figure 5.Powder feeding roller 10 comprise fixedly connected driven wheel drive end 101, stretch in the hermatic door supporting support end 102 and the columned roller portion 103 of powder feeding roller 10 on hermatic door, be provided with conveyor screw 104 vertically at the outside surface of roller portion 103.Conveyor screw 104 is not dispersed throughout whole roller portion 103 surfaces, at the two ends of roller portion 103 two sections no helical regions 1032,1033 is arranged, and the length of no helical region 1032,1033 is 8-20mm.The surface of roller portion 103 is provided with two capable grooves 1031 of 1031, two bars of the capable groove of bar vertically and is symmetrical arranged with respect to the axis of roller portion 103.
Certainly, the structure of the utility model cartridge composition is not limited to above-mentioned embodiment.For example, also can no helical region be set a end in roller portion; Also can no helical region also be set in the stage casing of roller portion.Conspicuous change is carried out in prompting according to the foregoing description, and other every changes that do not break away from essence of the present invention, all should be included within the described scope of claim.
Claims (8)
1, powder feeding roller comprises
The drive end of fixedly connected actuator;
Stretch in the hermatic door to support the support end of powder feeding roller on hermatic door;
Columned roller portion, the outside surface of roller portion is provided with conveyor screw;
It is characterized in that:
Described roller portion surface is provided with the capable groove of bar vertically.
2, powder feeding roller according to claim 1,
It is characterized in that:
Described roller portion surface is arranged with two capable grooves of bar vertically.
3, powder feeding roller according to claim 1 and 2,
It is characterized in that:
It is no helical region that described roller portion has an end at least.
4, powder feeding roller according to claim 3,
It is characterized in that:
The two ends of described roller portion are no helical region.
5, cartridge comprises
The toner of holding carbon dust, meal outlet is arranged at the toner bottom;
Be supported in the toner, can rotate to open and close the hermatic door of described meal outlet along self axis, described hermatic door has half pipe shape part, is axially arranged with the casket mouth corresponding with described meal outlet at described semicircle tubular portion along hermatic door;
Powder feeding roller, its part is contained in the hermatic door, and described powder feeding roller can be rotated by described relatively hermatic door;
Described powder feeding roller comprises:
The drive end of fixedly connected actuator;
Stretch in the hermatic door to support the support end of powder feeding roller on hermatic door;
Columned roller portion, the outside surface of roller portion is provided with conveyor screw;
It is characterized in that:
Described roller portion surface is provided with the capable groove of bar vertically.
6, powder feeding roller according to claim 5,
It is characterized in that:
Described roller portion surface is arranged with two capable grooves of bar vertically.
7, according to claim 5 or 6 described powder feeding roller,
It is characterized in that:
It is no helical region that described roller portion has an end at least.
8, cartridge according to claim 7,
It is characterized in that:
The two ends of described roller portion are no helical region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200442134U CN201156165Y (en) | 2008-02-18 | 2008-02-18 | Powder delivery roller and carbon powder box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200442134U CN201156165Y (en) | 2008-02-18 | 2008-02-18 | Powder delivery roller and carbon powder box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201156165Y true CN201156165Y (en) | 2008-11-26 |
Family
ID=40103945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200442134U Expired - Fee Related CN201156165Y (en) | 2008-02-18 | 2008-02-18 | Powder delivery roller and carbon powder box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201156165Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102402158A (en) * | 2010-09-15 | 2012-04-04 | 夏普株式会社 | Developing device and image forming apparatus |
| CN107390489A (en) * | 2017-07-31 | 2017-11-24 | 珠海巨多普打印耗材有限公司 | A kind of cartridge |
| CN110320775A (en) * | 2018-03-29 | 2019-10-11 | 京瓷办公信息系统株式会社 | Toner container |
-
2008
- 2008-02-18 CN CNU2008200442134U patent/CN201156165Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102402158A (en) * | 2010-09-15 | 2012-04-04 | 夏普株式会社 | Developing device and image forming apparatus |
| US8488999B2 (en) | 2010-09-15 | 2013-07-16 | Sharp Kabushiki Kaisha | Developing device and image forming apparatus having a developer conveying section with a spiral blade |
| CN102402158B (en) * | 2010-09-15 | 2014-11-12 | 夏普株式会社 | Developing device and image forming apparatus |
| CN107390489A (en) * | 2017-07-31 | 2017-11-24 | 珠海巨多普打印耗材有限公司 | A kind of cartridge |
| CN110320775A (en) * | 2018-03-29 | 2019-10-11 | 京瓷办公信息系统株式会社 | Toner container |
| CN110320775B (en) * | 2018-03-29 | 2022-02-22 | 京瓷办公信息系统株式会社 | Toner container |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081126 Termination date: 20170218 |