CN101320230B - Light sensitive drum and processing box - Google Patents
Light sensitive drum and processing box Download PDFInfo
- Publication number
- CN101320230B CN101320230B CN 200710028598 CN200710028598A CN101320230B CN 101320230 B CN101320230 B CN 101320230B CN 200710028598 CN200710028598 CN 200710028598 CN 200710028598 A CN200710028598 A CN 200710028598A CN 101320230 B CN101320230 B CN 101320230B
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- shrinkage pool
- photosensitive drums
- convexity
- handle box
- flange
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Abstract
The invention relates to a sensitometric drum, which is used for a processing box which is detachably arranged on the host machine of a imaging device; wherein, the host machine comprises a power take-off head with non-circular cross sectional concave holes; the sensitometric drum comprises a drum-shaped cylinder with conductive materials, a pair of flanges with rotating shafts, which are fixed on the two ends of the cylinder, a salient and the processing box which is provided with the sensitometric drum; wherein, the salient is provided with a plurality of corner parts, is positioned on the shaft end of one flange and is provided with a section which is similar with the non-circular section of the concave holes, a loosing-prevention part is arranged at one side of the concave corner part which can attach to the edge of the concave holes in the course of receiving the power. The drum has the advantages of reliable torque transmission, stable working condition, etc.
Description
Technical field
The present invention relates to photosensitive drums that a kind of image processing system uses and the handle box that has this photosensitive drums.
Background technology
Usually use dismountable handle box also to be engaged in it such as image processing systems such as duplicating machine, facsimile recorder, laser printers and form image on the medium as the container that replenishes carbon dust.The required power of handle box moving component is provided by the motor in the image processing system.Power transmission mode between the power acceptance division of handle box and the power take-off mechanism of motor mainly contains two kinds: a kind of is to adopt the meshed transmission gear mode between the two, and another kind is to adopt the on-circular cross-section shrinkage pool and the protruding kind of drive that cooperates of identical on-circular cross-section between the two.In a kind of kind of drive in back; The power delivery front end of motor power output mechanism has the shrinkage pool of an on-circular cross-section; The power acceptance division of handle box then be one can be protruding with the on-circular cross-section that this on-circular cross-section shrinkage pool coincide each other, transmit moment of torsion through shrinkage pool and protruding joint.
The power acceptance division is that the protruding exemplary process box of on-circular cross-section is as shown in Figure 1; It mainly is made up of the powder storehouse 1 that holds carbon dust and a waste powder hopper 2 of accommodating useless powder; Moving components such as puddle support, powder feeding roller, developer roll are arranged in the powder storehouse 1; Moving component in the waste powder hopper 2 is a photosensitive drums, in addition, also has charging roller and cleaning doctor etc.Photosensitive drums comprises the drum type cylindrical shell of being processed by conductive materials and has the pair of flanges of axle as a vitals of handle box, wherein also is provided with gear on a flange, transmits power in order to other moving component in handle box.Photosensitive drums rotatably is fixed on 4 of two sidewalls of waste powder hopper 2 through two flanges, and an end stretches out outside the sidewall.The columnar projections 3 that an on-circular cross-section is arranged at the shaft end that stretches out the flange outside the sidewall.The axial cross section of the convexity 3 of photosensitive drums can also be a noncircular cross section form shown in Figure 2.Motor 5, gear 6, gear 7 and power delivery 8 in the image processing system are represented with double dot dash line in Fig. 2.In the time of in photosensitive drums (handle box) is packed image forming apparatus into; Power delivery 8 will be sliding along the axial left side of gear 7; Shrinkage pool 81 identical with protruding 3 axial cross sections entangles protruding 3 on it; And contact, thereby accomplish the moment of torsion transmission of motor 5 to photosensitive drums (handle box) with a side 32 of protruding 3 corner part 31.
The kind of drive of shrinkage pool and engage is also divided two kinds of situation, and a kind of is that the interengageable shrinkage pool of facing directly matches with convexity, and is another kind of for matching with the distortion convexity in the distortion hole that can cooperatively interact.In preceding a kind of type of drive,, driving head is thrown off, and then make the transmission of moment of torsion become unreliable because image processing system and handle box internal environment have labile factor existence such as vibration.Though a kind of kind of drive in back has overcome above-mentioned defective; In the torque transfer process, can produce one along axially pulling to convexity the axial force of shrinkage pool, thereby can prevent that shrinkage pool and convexity are separated, but because the existence of twisting; There is the phenomenon that embeds engagement between the two when making shrinkage pool and protruding matching; And when being separated, must overcome this to embed engagement, thereby strengthened the resistance that the power delivery withdraws from.After carrying out the separating for several times operation, may make power delivery and backing mechanism thereof impaired, reduce the reliability of its action.
Summary of the invention
Fundamental purpose of the present invention provides a kind of preventing and axially is separated between shrinkage pool and the convexity, and the stable and reliable operation photosensitive drums;
Another order of the present invention provides a kind of handle box that adopts above-mentioned photosensitive drums structure.
For realizing above-mentioned purpose, photosensitive drums provided by the invention is used to be releasably attached to the handle box on the image processing system main frame, and main frame comprises that one has the power delivery of noncircular cross section shrinkage pool; Photosensitive drums comprises: one has the drum type cylindrical shell of conductive materials; The a pair of flange that is fixed on the cylindrical shell two ends with rotating shaft; One is positioned at the shaft end of a flange and has the convexity of a plurality of corner parts, and it has the cross section similar with the non-circular cross sectional shape of shrinkage pool; When receiving power, be provided with the anti-delinking part along a side of applying at the corner part of convexity with the shrinkage pool hole.
Photosensitive drums with said structure; Be provided with the anti-delinking part on the corner part of a side through accepting transmission of power in convexity; When producing axial disengaging trend, can increase friction force or resistance between the two with protruding at shrinkage pool, increase power delivery and the photosensitive drums required axial force that is separated; Can prevent effectively that the two is separated, make the moment of torsion transmission become more reliable.
Scheme is more specifically; The anti-delinking part can be provided in a side of the depression of at least one basic vertical axial on the corner part of a said side; The convex tendon that also can be provided in a side of at least one basic vertical axial on the corner part of a said side; The surface that one group of striped that can also be provided in a side of basic vertical axial on the corner part of a said side can also be on the corner part of a said side and have big roughness.
The present invention provides a kind of handle box, and it is releasably attached on the image processing system main frame, and main frame comprises that one has the power delivery of noncircular cross section shrinkage pool; Handle box comprises: one holds the powder storehouse of carbon dust, is provided with stirring apparatus, powder feeding roller and developer roll in the powder storehouse; One accommodates the waste powder hopper of useless powder, is provided with photosensitive drums and charging roller in the waste powder hopper; Wherein, photosensitive drums has: one has the drum type cylindrical shell of conductive materials; The a pair of flange that is fixed on the cylindrical shell two ends with rotating shaft; One is positioned at the shaft end of a flange and has the convexity of a plurality of corner parts, and it has the cross section similar with the non-circular cross sectional shape of shrinkage pool; In protruding and shrinkage pool hole along being provided with the anti-delinking part on the corner part of a side of fitting.
Description of drawings
Fig. 1 is a kind of stereographic map of existing handle box;
Fig. 2 is the structural representation that a kind of existing photosensitive drums cooperates with the image processing system power take-off mechanism;
Fig. 3 is the structural representation of photosensitive drums first embodiment of the present invention;
Fig. 4 is that Fig. 3 photosensitive drums is in the synoptic diagram with image processing system power delivery shaft coupling state;
Fig. 5 is the A-A cut-open view of Fig. 4;
Fig. 6 is the structural representation of the another form of first embodiment photosensitive drums anti-delinking part;
Fig. 7 is the structural representation of photosensitive drums second embodiment of the present invention;
Fig. 8 is the structural representation of photosensitive drums the 3rd embodiment of the present invention;
Fig. 9 is the structural representation of photosensitive drums the 4th embodiment of the present invention;
Figure 10 is the structural representation of photosensitive drums the 5th embodiment of the present invention.
Do further to specify below in conjunction with various embodiments of the present invention and accompanying drawing.
Embodiment
For say something clear for the purpose of, below among each figure of all each embodiment, do not belong to image processing system power delivery of the present invention and represent with double dot dash line, identical label is represented identical structure among each figure.
First embodiment:
Referring to Fig. 3; The flange 200 that photosensitive drums has the drum type cylindrical shell (not shown) of conductive materials by a surface and is fixed on the cylindrical shell two ends combines; Wherein also be provided with gear 201 on a flange 200, be used for the transmission of power that receives is given other movement parts of handle box.Be provided with the columnar projections 202 of a plurality of corner parts 2021 of tool at the shaft end of this flange 200.In the present embodiment, the power delivery 8 that transmits moment of torsion to photosensitive drums have one distortion arranged in the axial direction shrinkage pool 81, shrinkage pool 81 has noncircular cross section roughly triangular in shape.Protruding 202 have the axial cross section roughly similar with shrinkage pool 81, but its sectional dimension is less than the sectional dimension of shrinkage pool 81.Each corner part 2021 of protruding 202 connects two adjacent side, and one of them side is provided with anti-delinking part 2022.To fit along 811 with the hole of shrinkage pool 81 when protruding 202 receive power in the side that is provided with anti-delinking part 2022.The quantity of corner part 2021 is relevant with protruding 202 cross sectional shape; Present embodiment protrusions 202 has cross section roughly triangular in shape, and therefore three corner parts 2021 are arranged, if but convexity 202 has roughly hexagonal section; Then corner part 2021 has six, by that analogy.In the present embodiment, anti-delinking part 2022 is provided in a side of many depressions of the basic vertical axial of corner part one side.The form of depression can have multiple, as shown in Figure 3 bar shaped depression, also can be shape shown in Figure 6.
Though the convexity 202 of photosensitive drums is to cooperate with the distortion shrinkage pool 81 with similar cross sectional shape to transmit moment of torsion in the present embodiment, it is straight at axial direction, not distortion.Protruding 202 part side is inclined-plane or the curved surface that is parallel to axial direction; The part side is the inclined-plane angled with axial direction; Because of there not being warp surface; Do not embed engagement so do not exist between the two when itself and distortion shrinkage pool 81 match, just need not overcome the resistance of engagement during power delivery 8 rollbacks yet, can effectively protect power delivery 8 and backing mechanism thereof.
The convexity 202 of photosensitive drums also can cooperate with the non-distortion shrinkage pool with similar cross sectional shape in the present embodiment, as long as place, the aperture of non-distortion shrinkage pool is formed with the edge, hole of radially inwardly stretching.
Below in conjunction with the anticreep process of describing anti-delinking part 2022 with reference to Fig. 4, Fig. 5.During 8 work of power delivery, it can rotate along directions X around axle.The inside surface of shrinkage pool 81 has distortion in the axial direction, its on direction of twist, form vertically one with the acutangulate inside surface of xsect, be called the acute angle face.Protruding 202 stretch in the shrinkage pool 81 of power delivery 8 and when beginning to transmit moment of torsion, will fit along 811 places in the hole with the acute angle face of shrinkage pool 81 in a side of corner part 2021, to accept driving force.When convexity 202 begins to be separated because of the axial force that is separated produces with shrinkage pool 81, will fit along 811 places in the hole with the acute angle face of shrinkage pool 81 in the anti-delinking part 2022 that is located at this side.Because of being made up of many depressions of vertical axial anti-delinking part 2022, it can make between shrinkage pool 81 and protruding 202 friction force vertically increase, and is separated so can stop between shrinkage pool 81 and the convexity 202.
Second embodiment:
Referring to Fig. 7, the photosensitive drums of present embodiment and first embodiment are basic identical, and difference is that the anti-delinking part is provided in a side of three axial convex tendons 2024 of corner part 2,021 one lateral vertical side, and they are evenly distributed vertically.When the hole of anti-delinking part and shrinkage pool 81 contacted along 811, these three convex tendons 2024 can increase protruding 202 and the friction force of 81 of shrinkage pools.
The 3rd embodiment:
Referring to Fig. 8, the photosensitive drums of present embodiment and first embodiment are basic identical, and difference is that the anti-delinking part is provided in a side of one group of striped 2025 of the basic vertical axial of corner part 2,021 one sides.Striped 2025 can be by many thin convex tendon or narrow being recessed to form that arranging density is bigger.When the hole of anti-delinking part and shrinkage pool 81 contacted along 811, striped 2025 can increase protruding 202 and the friction force of 81 of shrinkage pools.
The 4th embodiment:
Referring to Fig. 9, the photosensitive drums of present embodiment and first embodiment are basic identical, and difference is that the anti-delinking part is provided in a side of the convex tendon 2026 of a basic vertical axial at corner part 2,021 one side end places.When the hole of anti-delinking part and shrinkage pool (not shown) when contacting, this convex tendon can increase protruding 202 and the friction force of 81 of shrinkage pools.
The 5th embodiment:
Referring to Figure 10; The photosensitive drums of present embodiment and first embodiment are basic identical; Difference is that the anti-delinking part is provided in a side of the convex tendon 2027 of two basic vertical axials of corner part 2,021 one sides; Wherein convex tendon is positioned at protruding 202 end, its can be in the hole of anti-delinking part and shrinkage pool (not shown) when contacting, increase the friction force between convexity 202 and the shrinkage pool.Another convex tendon is positioned at protruding 202 root, and it can increase by protruding 202 intensity.
The 6th embodiment:
The photosensitive drums of present embodiment and first embodiment are basic identical, and difference is that the anti-delinking part is on the surface of the big roughness of a tool of corner part one side, this have can be provided with on the surface of big roughness irregular or regular raised or sunken.When contacting, this surface with big roughness can increase the friction force between convexity and the shrinkage pool in the hole of anti-delinking part and shrinkage pool (not shown).
Other embodiment:
Be handle box according to other embodiments of the invention, they constitute by powder storehouse and waste powder hopper, and the moving component that in the powder storehouse, is provided with has puddle support, powder feeding roller and developer roll, and the moving component that is provided with in the waste powder hopper has photosensitive drums.In addition, other parts in the powder storehouse can also have the powder delivery cutter, and other parts in waste powder hopper can also have cleaning doctor, charging roller etc.Above-mentioned these handle box members all can adopt prior art.The characteristics of each handle box embodiment provided by the invention are the photosensitive drums that adopt first to the 6th embodiment to provide respectively.
Claims (4)
1. photosensitive drums is used to construct the handle box that is releasably attached on the image processing system main frame, and said main frame comprises a power delivery that has the noncircular cross section shrinkage pool; Said photosensitive drums comprises:
One has the drum type cylindrical shell of conductive materials;
The a pair of flange that is fixed on the cylindrical shell two ends with rotating shaft;
One is positioned at the shaft end of a flange and has the convexity of a plurality of corner parts, and it has the cross section similar with the non-circular cross sectional shape of said shrinkage pool;
It is characterized in that:
Said corner part is provided with the anti-delinking part with said shrinkage pool hole along a side of applying when receiving power;
Said anti-delinking part is provided in a side of the depression or the convex tendon of at least one basic vertical axial of a said side.
2. according to the said photosensitive drums of claim 1, it is characterized in that:
Said convex tendon is one, is positioned at the end of said convexity.
3. handle box is releasably attached on the image processing system main frame, and said main frame comprises a power delivery that has the noncircular cross section shrinkage pool;
Said handle box comprises:
One holds the powder storehouse of carbon dust, is provided with stirring apparatus, powder feeding roller and developer roll in the powder storehouse;
One accommodates the waste powder hopper of useless powder, is provided with photosensitive drums and charging roller in the waste powder hopper;
It is characterized in that:
Said photosensitive drums has:
One has the drum type cylindrical shell of conductive materials;
The a pair of flange that is fixed on the cylindrical shell two ends with rotating shaft;
One is positioned at the shaft end of a flange and has the convexity of a plurality of corner parts, and it has the cross section similar with the non-circular cross sectional shape of said shrinkage pool;
Wherein, when receiving power, be provided with the anti-delinking part along a side of applying at the corner part of said convexity with said shrinkage pool hole;
Said anti-delinking part is provided in a side of the depression or the convex tendon of at least one basic vertical axial of a said side.
4. according to the said handle box of claim 3, it is characterized in that:
Said convex tendon is one, is positioned at the end of said convexity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710028598 CN101320230B (en) | 2007-06-09 | 2007-06-09 | Light sensitive drum and processing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710028598 CN101320230B (en) | 2007-06-09 | 2007-06-09 | Light sensitive drum and processing box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101320230A CN101320230A (en) | 2008-12-10 |
| CN101320230B true CN101320230B (en) | 2012-09-19 |
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ID=40180337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710028598 Expired - Fee Related CN101320230B (en) | 2007-06-09 | 2007-06-09 | Light sensitive drum and processing box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101320230B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019001457A1 (en) * | 2017-06-30 | 2019-01-03 | 纳思达股份有限公司 | Power receiving unit, rotating component, processing cartridge, mounting method and dismounting method |
| CN208239812U (en) | 2017-06-30 | 2018-12-14 | 纳思达股份有限公司 | Power reception unit, rotary part and the handle box of handle box |
| CN107239030B (en) * | 2017-07-27 | 2023-10-24 | 中山市泰威影印科技有限公司 | Processing box |
| CN108535989B (en) * | 2018-06-21 | 2021-02-19 | 珠海市拓佳科技有限公司 | Processing box |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1188265A (en) * | 1996-09-26 | 1998-07-22 | 佳能株式会社 | Process cartridge and electrophotographic image forming apparatus |
| US6175706B1 (en) * | 1996-09-26 | 2001-01-16 | Canon Kabushiki Kaisha | Process cartridge, electrophotographic image forming apparatus driving force transmission part and electrophotographic photosensitive drum |
| CN1372170A (en) * | 2001-02-02 | 2002-10-02 | 佳能株式会社 | Process-box, electronic photosensitive drum, electronography device and color electronography device |
| CN201066435Y (en) * | 2007-06-09 | 2008-05-28 | 珠海天威技术开发有限公司 | Sensitization drum and processing box |
-
2007
- 2007-06-09 CN CN 200710028598 patent/CN101320230B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1188265A (en) * | 1996-09-26 | 1998-07-22 | 佳能株式会社 | Process cartridge and electrophotographic image forming apparatus |
| US6175706B1 (en) * | 1996-09-26 | 2001-01-16 | Canon Kabushiki Kaisha | Process cartridge, electrophotographic image forming apparatus driving force transmission part and electrophotographic photosensitive drum |
| CN1372170A (en) * | 2001-02-02 | 2002-10-02 | 佳能株式会社 | Process-box, electronic photosensitive drum, electronography device and color electronography device |
| CN201066435Y (en) * | 2007-06-09 | 2008-05-28 | 珠海天威技术开发有限公司 | Sensitization drum and processing box |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2005-92240A 2005.04.07 |
| JP特开平11-133806A 1999.05.21 |
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| Publication number | Publication date |
|---|---|
| CN101320230A (en) | 2008-12-10 |
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Granted publication date: 20120919 Termination date: 20190609 |