CN201097112Y - Sensitiation drum and processing box - Google Patents
Sensitiation drum and processing box Download PDFInfo
- Publication number
- CN201097112Y CN201097112Y CNU2007200564781U2007200564781U CN200720056478U CN201097112Y CN 201097112 Y CN201097112 Y CN 201097112Y CN U2007200564781U2007200564781 U CNU2007200564781U2007200564781 U CN U2007200564781U2007200564781U CN 200720056478 U CN200720056478 U CN 200720056478U CN 201097112 Y CN201097112 Y CN 201097112Y
- Authority
- CN
- China
- Prior art keywords
- boss
- photosensitive drums
- sidewall
- driver part
- handle box
- 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
Links
Images
Landscapes
- Electrophotography Configuration And Component (AREA)
Abstract
The utility model provides a photosensitive drum and a processing box. The photosensitive drum comprises a photosensitive body; an installing part formed at one end of the photosensitive body; a connecting shaft formed at one end of the installing part; a dummy club extending out of one end of the connecting shaft; a convex column extending outward and being perpendicular to the side wall of the dummy club is formed on the side wall of the dummy club, and salient points are also formed on the side wall of the dummy club. The photosensitive drum provided by the utility model can be reliably matched with the driving part of a laser printer, the damage is uneasy to be generated to the driving part, and the smooth rotation of the photosensitive drum can be ensured.
Description
Technical field
The utility model relates to a kind of photosensitive drums, especially a kind of can be by the photosensitive drums of the driver part driven in rotation of laser printer and the handle box that is provided with this photosensitive drums.
Background technology
Laser printer is general to use dismountable handle box to load the developer of printing use, existing handle box comprises also that generally one is formed on the photosensitive drums in the handle box housing, one end of photosensitive drums is provided with a driving force receiving device, after handle box is installed to laser printer, the driving force receiving trap of photosensitive drums cooperates with the driver part of laser printer, and the driving force receiving trap of photosensitive drums drives the photosensitive drums rotation under the driving of laser printer driver part.
The driving force receiving device of the driver part of existing laser printer and photosensitive drums mainly contains following two kinds of fit systems: a kind of is to pass through gear matched, the driver part that is laser printer is a driving wheel, the driving force receiving device of photosensitive drums is an engaged wheel, and the engaged wheel of the moving photosensitive drums of the driving wheel rotating band of laser printer rotates; Another kind is the on-circular cross-section endoporus of on-circular cross-section projection and laser printer driver part by the being formed on photosensitive drums one end incompatible transmission of drive force that matches.
Chinese invention patent CN1217241C has just announced the innovation and creation of a kind of " handle box and electrical photographic imaging device " by name, and this handle box comprises a photosensitive drums, and the structure of this photosensitive drums as shown in Figure 1.Photosensitive drums 50 comprises a photoreceptor 51, is provided with the end that an installation portion 52, one coupling shafts 53 are formed on installation portion 52 at an end of photoreceptor 51, in the projection 54 of the protruding triangular prism shape of an end of coupling shaft 53.When handle box was installed on the laser printer, projection 54 was inserted in the triangle endoporus of laser printer driver part, and when driver part rotated, the triangle endoporus was along with rotation, and power is delivered on the projection 54, thereby drove photosensitive drums 50 rotations.But along with the laser printer growth of service time, surface of contact between triangle endoporus under the effect of moment of torsion and boss 54 deforms, cause triangle endoporus and boss 54 loose contacts and cause driving unreliable, even can cause photosensitive drums 50 to rotate bad and influence print quality.
Simultaneously, another kind of photosensitive drums has also been announced in these innovation and creation, this photosensitive drums also is provided with installation portion at photoreceptor one end, be formed with overhanging coupling shaft at installation portion one end, and coupling shaft is provided with the projection of distortion, the projection of this distortion can be inserted in the endoporus that twists on the laser printer driver part, and photosensitive drums is rotated along with the rotation of driver part.But because the projection of distortion and driver part endoporus have the phenomenon of the engagement of embedding, when taking out handle box, need overcome and embed engagement, strengthened the resistance that the driver part endoporus withdraws from, after repeatedly taking out powder box, may cause laser printer driver part endoporus impaired, the reliability that influence drives.
Summary of the invention
Fundamental purpose of the present utility model provide a kind of driving force receiving trap can with the photosensitive drums of laser printer driver part reliable fit;
Another purpose of the present utility model provides the photosensitive drums that a kind of driving force receiving trap is difficult for the laser printer driver part is caused damage;
A purpose more of the present utility model provides a kind of photosensitive drums and rotates handle box smoothly.
For achieving the above object, the photosensitive drums that provides of the utility model comprises photoreceptor; Be formed on the installation portion of photoreceptor one end; Be formed on the coupling shaft of installation portion one end; From the outwardly directed boss of coupling shaft one end; Wherein, be formed with on the sidewall of this boss perpendicular to the outwardly directed projection of boss sidewall, and, on the sidewall of boss, also be formed with salient point.
A specific embodiment is, the xsect of boss is circular, and the quantity of projection and salient point is three, and on the sidewall that is arranged in boss that evenly interlocks.
By such scheme as seen, the driving force receiving trap of photosensitive drums is made up of installation portion, coupling shaft, boss, when handle box is installed on the laser printer, the boss of photosensitive drums one end can be inserted in the endoporus of driver part, and three projections can cooperate with three drift angles of driver part endoporus respectively, the driving force receiving trap of photosensitive drums just can with the driver part reliable fit of laser printer, driver part can be delivered to driving force on the boss when rotating, and rotated thereby drive photosensitive drums.
Simultaneously, because projection does not contact with the inwall of driver part endoporus, can not cause damage, thereby can guarantee the transmission of driving force driver part.In addition, when taking out handle box, there is not the phenomenon that embeds engagement between driver part and the photosensitive drums yet, can not damage driver part yet.
In order to realize an above-mentioned purpose again, the photosensitive drums that the utility model provides comprises housing; Vertically be arranged at the photosensitive drums between described housing two side; This photosensitive drums comprises photoreceptor; Be formed on the installation portion of photoreceptor one end; Be formed on the coupling shaft of installation portion one end; From the outwardly directed boss of coupling shaft one end; Wherein, be formed with on the sidewall of this boss perpendicular to the outwardly directed projection of boss sidewall, and, on the sidewall of boss, also be formed with salient point.
By above scheme as seen, after handle box was installed to laser printer, boss inserted in the endoporus of driver part, and three projections cooperate with three drift angles of driver part respectively, when driver part rotates, transfer a driving force to boss, rotate thereby drive photosensitive drums.Because boss and projection be the endoporus of fragile driver part not, can guarantee the reliability that driving force is transmitted, thereby guarantee that photosensitive drums can rotate smoothly.
Description of drawings
Fig. 1 is the structural representation of existing photosensitive drums;
Fig. 2 is the skeleton view of the utility model handle box embodiment;
Fig. 3 is the structural representation of the utility model photosensitive drums embodiment;
Fig. 4 is the skeleton view of the driver part of the end of the utility model photosensitive drums embodiment and laser printer.
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment
Referring to Fig. 2, be the skeleton view of the utility model handle box embodiment.In the present embodiment, handle box 1 comprises a housing 2, housing 2 surrounds a powder storehouse and the waste powder hopper that holds useless carbon dust that holds carbon dust, in the powder storehouse, be provided with parts such as puddle support, powder feeding roller, developer roll, and be provided with photosensitive drums 3, charging roller, cleaning doctor etc. in the waste powder hopper, wherein photosensitive drums 3 vertically is arranged between the two side of housing 2, and these settings are identical with existing handle box, do not give unnecessary details at this.
Referring to Fig. 3, be the structural representation of the utility model photosensitive drums embodiment.The photosensitive drums 3 of present embodiment comprises a columniform photoreceptor 31, is provided with an installation portion 32 at an end of photoreceptor 31, and installation portion 32 can transfer a driving force on the photoreceptor 31.End at installation portion 32 has an outwardly directed columniform coupling shaft 33, also is provided with a boss 34 at coupling shaft 33 1 ends, and boss 34 stretches out from coupling shaft 33 and forms.The xsect of boss 34 is circles, and three projections 35 that distributing equably on the sidewall of boss 34.Projection 35 is columniform cylinder, from the formation that stretches out of the sidewall of boss 34, and vertical with the section of sidewall.In the present embodiment, three projections 35 all are formed on boss 34 sidewalls near boss 34 end faces one side, so that cooperate with the driver part of laser printer.On the sidewall of boss 34,, also be formed with three salient points 36 except being formed with three projections 35.As seen from the figure, salient point 36 also is to be evenly distributed on the sidewall of boss 34, and distributes alternately with three projections 35.Identical with projection 35 is, salient point 36 also is formed on boss 34 sidewalls side near boss 34 end faces, and all projections 35 equate with the distance of all salient points 36 with boss 34 end faces.
Referring to Fig. 4, be the skeleton view of the driver part of the end of the utility model photosensitive drums embodiment and laser printer.The driver part 4 of laser printer comprises an endoporus 41, and endoporus 41 is a triangular prism shape hole of twisting vertically, and three drift angles 42 and three inwalls 43 are arranged.After handle box is installed on the laser printer, boss 34 just is inserted in the endoporus 41, and three projections 35 insert respectively in three drift angles 42, like this, when driver part 4 rotates, three drift angles 42 can be delivered to driving force on the projection 35, rotate thereby drive boss 34, just can realize the synchronous rotation of boss 34 and driver part 4.Because boss 34 is formed in photosensitive drums one end, the rotation of boss 34 just can be passed through coupling shaft 33, installation portion 32 drives the rotation of photoreceptor, thereby photosensitive drums is rotated.Simultaneously, three salient points 36 contact with three inwalls 43 of endoporus 41 respectively, can increase the friction force between boss 34 and the inwall 43, and driver part 4 can better be delivered to driving force on the boss 34 when rotating.
Because projection does not contact with the inwall of laser printer driver part endoporus, even long-time the use can not caused damage to the inwall of driver part endoporus yet.And the inwall contact area of salient point and endoporus is very little, and long-time use also is difficult for making the inwall generation deformation of endoporus, is guaranteeing that the photosensitive drums normal rotation can not cause damage to the driver part of laser printer simultaneously.Simultaneously, when taking out handle box, can not embed the situation of engagement between boss and the driver part endoporus, can not damage driver part, can guarantee the normal rotation of photosensitive drums, and can guarantee the print quality of handle box.
It is emphasized that at last; the utility model is not limited to above-mentioned embodiment; can be according to the change of hole shape in the driver part and suitable increase or minimizing as the quantity of projection and salient point; and for example the xsect of boss becomes squarely etc., and these conspicuous variations also should be included in the protection domain of the utility model claim.
Claims (8)
1, photosensitive drums comprises
Photoreceptor;
Be formed on the installation portion of described photoreceptor one end;
Be formed on the coupling shaft of described installation portion one end;
From the outwardly directed boss of described coupling shaft one end;
It is characterized in that:
Be formed with outwardly directed three projections on the sidewall of described boss;
Described projection is perpendicular to the boss sidewall.
2, photosensitive drums according to claim 1 is characterized in that:
Also be formed with three salient points on the sidewall of described boss.
3, photosensitive drums according to claim 2 is characterized in that:
Described projection and salient point are formed on a side of close raised head face on the described boss sidewall.
4, according to each described photosensitive drums of claim 1 to 3, it is characterized in that:
The xsect of described boss is circular;
Described projection and salient point form alternately on the sidewall of described boss.
5, handle box comprises
Housing;
Vertically be arranged at the photosensitive drums between described housing two side;
Described photosensitive drums comprises
Photoreceptor;
Be formed on the installation portion of described photoreceptor one end;
Be formed on the coupling shaft of described installation portion one end;
From the outwardly directed boss of described coupling shaft one end;
It is characterized in that:
Be formed with outwardly directed three projections on the sidewall of described boss;
Described projection is perpendicular to the boss sidewall.
6, handle box according to claim 5 is characterized in that:
Also be formed with three salient points on the sidewall of described boss.
7, handle box according to claim 6 is characterized in that:
Described projection and salient point are formed on a side of close raised head face on the described boss sidewall.
8, according to each described handle box of claim 5 to 7, it is characterized in that:
The xsect of described boss is circular;
Described projection and salient point form alternately on the sidewall of described boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200564781U2007200564781U CN201097112Y (en) | 2007-08-29 | 2007-08-29 | Sensitiation drum and processing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200564781U2007200564781U CN201097112Y (en) | 2007-08-29 | 2007-08-29 | Sensitiation drum and processing box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201097112Y true CN201097112Y (en) | 2008-08-06 |
Family
ID=39924164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200564781U2007200564781U Expired - Fee Related CN201097112Y (en) | 2007-08-29 | 2007-08-29 | Sensitiation drum and processing box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201097112Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102141766A (en) * | 2010-01-28 | 2011-08-03 | 珠海赛纳打印科技股份有限公司 | Processing box |
| CN102866608A (en) * | 2011-07-05 | 2013-01-09 | 珠海赛纳打印科技股份有限公司 | Photosensitive drum driving head and image forming device driving mechanism |
| US9599949B2 (en) | 2010-01-28 | 2017-03-21 | Zhuhai Seine Technology Co., Ltd | Photosensitive process cartridge with driving force receiver |
-
2007
- 2007-08-29 CN CNU2007200564781U2007200564781U patent/CN201097112Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102141766A (en) * | 2010-01-28 | 2011-08-03 | 珠海赛纳打印科技股份有限公司 | Processing box |
| CN102141766B (en) * | 2010-01-28 | 2013-10-30 | 珠海赛纳打印科技股份有限公司 | Processing box |
| US9599949B2 (en) | 2010-01-28 | 2017-03-21 | Zhuhai Seine Technology Co., Ltd | Photosensitive process cartridge with driving force receiver |
| CN102866608A (en) * | 2011-07-05 | 2013-01-09 | 珠海赛纳打印科技股份有限公司 | Photosensitive drum driving head and image forming device driving mechanism |
| CN102866608B (en) * | 2011-07-05 | 2015-11-25 | 珠海艾派克科技股份有限公司 | A kind of photosensitive drum driving head and image processing system driving mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1356602A (en) | Drive for transfer mechanism, imaging device and the processing unit of said device | |
| CN201097112Y (en) | Sensitiation drum and processing box | |
| CN102087494B (en) | Photosensitive drum drive assembly, photosensitive drum and processing cartridge | |
| EP1229406A3 (en) | Coupling part for photosensitive drum in process cartridge and electrophotographic image forming apparatus | |
| CN110320782A (en) | Drum unit and drum component including drum unit | |
| CN104418119B (en) | Print media feeding mechanism and the imaging device with it | |
| CN101320230B (en) | Light sensitive drum and processing box | |
| JP2014186297A (en) | Shaft member detaching method and shaft member detaching jig | |
| CN201174020Y (en) | Driving force transmission member and processing box | |
| CN206930899U (en) | Rotate force transfer unit and handle box | |
| CN109407484A (en) | Rotate the installation method of force transfer unit, roller, handle box and handle box | |
| CN204287738U (en) | Cartridge and driver part thereof | |
| CN201174034Y (en) | Driving force transmission member and processing box | |
| CN207752307U (en) | Handle box and its driving force transfer unit | |
| CN201066435Y (en) | Sensitization drum and processing box | |
| CN201174032Y (en) | Driving force transmission member and processing box | |
| CN201069513Y (en) | Drive transfer part and processing box | |
| CN105301928B (en) | The force transfer unit of photosensitive drums | |
| CN202217131U (en) | Stirring frame and toner cartridge | |
| CN201107568Y (en) | Processing box with general structure | |
| CN1763638A (en) | Driving force transmission mechanism, image forming apparatus equipped with such a mechanism, and process unit of such an apparatus | |
| CN201331672Y (en) | Light sensation drum for carbon powder box and carbon powder box having the light sensation drum | |
| CN104536277A (en) | Toner cartridge and its driving part | |
| CN201489277U (en) | Power transmission component of electronographic imaging device | |
| CN201583792U (en) | Developing agent box |
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: 20080806 Termination date: 20160829 |