CN103744272A - Photosensitive drum - Google Patents
Photosensitive drum Download PDFInfo
- Publication number
- CN103744272A CN103744272A CN201410017749.7A CN201410017749A CN103744272A CN 103744272 A CN103744272 A CN 103744272A CN 201410017749 A CN201410017749 A CN 201410017749A CN 103744272 A CN103744272 A CN 103744272A
- Authority
- CN
- China
- Prior art keywords
- cylinder body
- flange
- photosensitive drums
- web member
- free end
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 claims description 9
- 230000004308 accommodation Effects 0.000 claims description 8
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 3
- 229930182556 Polyacetal Natural products 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Images
Landscapes
- Discharging, Photosensitive Material Shape In Electrophotography (AREA)
Abstract
The invention provides a photosensitive drum. The photosensitive drum comprises a cylindrical body, a coaxially arranged first flange, a connector, conical hollow elements, concave parts and a connecting part, wherein two ends of the cylindrical body are both provided with openings; a free end of the first flange, which is far away from the cylindrical body, extends out of a containing space; the connector is arranged in the containing space, from which the free end of the first flange extends out, and is connected to a drum shaft by a pin; the conical hollow elements are movably connected with the drum shaft; the concave parts are used for receiving the rotation force of a driving shaft; the connecting part is used for connecting the conical hollow elements and the concave parts; the side surfaces of the conical hollow elements are provided with openings through which the pin passes; the peripheral edges of the concave parts are provided with bulges which are distributed at an equal interval. The photosensitive drum provided by the invention is simple in structure, is convenient to install and detach, and runs stably.
Description
Technical field
The present invention relates to print apparatus, a kind of photosensitive drums of being convenient to installation and removal is more specifically set.
Background technology
Printer is provided with driving head conventionally, for driving the photosensitive drums rotation in powder box.In the middle of driving head, be provided with columniform conductive pole.One end in photosensitive drums is provided with driven wheel.On driven wheel, be provided with fixed leg, for coordinating with driving head.In the middle of fixed leg, be provided with conducting strip and latch, this conducting strip and latch are surrounded by the engaging piece of driven wheel.When print cartridge is installed in printer, open the Cang Gai of printer, the driving head in printer is along the axial shrinkage of photosensitive drums, so that photosensitive drums is put into correct position; Close afterwards and print cabin lid, the driving head in printer axially stretches out along photosensitive drums, and coordinates with the end of photosensitive drums, thereby can drive photosensitive drums to rotate.Conductive pole contacts with latch and conducting strip, and realization conducts.
The defect of this structure of the prior art is, the latch in photosensitive drums does not have elasticity, and can not realize real-time Elastic Contact between conductive pole, and the fiduciary level of electrical connection is low; And latch is handware material, and manufacturing cost is higher.
Summary of the invention
For the problems referred to above, the object of this invention is to provide a kind of photosensitive drums, the elasticity that can realize between photosensitive drums and printer driver axle is connected, and is convenient to installation and removal simultaneously.
The above-mentioned photosensitive drums of the present invention, comprises cylinder body, and its two ends are provided with opening;
And first flange, it is arranged at described cylinder body and receives the first end of driving force coaxial with the rotation of described cylinder body, the abutting end that described the first flange comprises the cogged free end of tool and engages with described cylinder body inside surface, the Packed base portion of its abutting end tool, described base portion is extended with bulging axle along described cylinder body rotation, described bulging axle tool bossed circular columns portion and be arranged to the rotation of described cylinder body coaxial; The free end of described circular columns portion is provided with pin, and described pin extends along the direction vertical with the axis of described bulging axle; Described the first flange free end is along extending spatial accommodation away from described cylinder body;
And web member, it is arranged in the extended spatial accommodation of described the first flange free end, and is connected to described bulging axle by described pin; Comprise be flexibly connected the tapered hollow part of described bulging axle, for receiving the recess of driving shaft revolving force and connecting the connecting portion of described tapered hollow part and described recess, on the side of described tapered hollow part, be provided with the opening passing for described pin; The circumferential edges of described recess has the projection being spacedly distributed.Thus, can make described web member be mounted directly to the end of the cylinder body of described photosensitive drums, it can be tilted along any direction.Described web member can roughly rotate or turn round whole circumference with respect to described bulging axle.More particularly, described web member is with respect to roughly pivotable in its whole circumference range of described bulging axle.
Preferably, on the cogged free end end face of tool of described the first flange, be connected with catch, the sidewall outer rim of described tapered hollow part has the flange radially extending along its bottom surface.Described catch lower edge is less than the flange of described web member tapered hollow part sidewall to the distance of described bulging axle axis to the distance of described bulging axle axis; Thus, described web member can not depart from the described spatial accommodation of described the first flange.
Preferably, described catch is arc, and itself and described cylinder body coaxially arrange.Described catch is for example installed on the free end end face of described the first flange by screw.
Preferably, the spacing distance between the described projection of the recess of described web member is greater than printer driver axle for exporting the diameter of rotating dog of revolving force.
Preferably, described projection is at least two.
Photosensitive drums of the present invention also comprises the second flange that is arranged at described cylinder body the second end, described the second flange has with described cylinder body inside surface is combined junction surface, with the support portion of the coaxial setting in described junction surface and for making the ground plate of described photosensitive drums ground connection.
Preferably, the material of described web member is resin, glass fibre, carbon fiber and metal mixed material.
Preferably, described cylinder body is solid or hollow.
By the revolving force from for example motor receives, the driving shaft in printer body rotates together with gear along predetermined direction.Contact with the pin of driving shaft one and any two projections of described web member recess.Thus, the revolving force of driving shaft is passed to described web member to rotate described web member.In addition, by the rotation of described web member, the opening on the described tapered hollow part of described web member with and the pin contacts of described bulging axle one.Thus, the revolving force of driving shaft is passed to described cylinder body by described web member, described projection, described tapered hollow part, described pin, described bulging axle and described the first flange.By this way, rotating photosensitive drum.
Photosensitive drums of the present invention is simple in structure, be convenient to installation and removal, and it can be mounted and dismantle along the direction substantially vertical with the axis that is arranged on the driving shaft in the master component of printer, can carry out the steady rotation of photosensitive drums simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of photosensitive drums described in one of them embodiment of the present invention;
Fig. 2 is the described first flange structural representation of photosensitive drums described in one of them embodiment of the present invention;
Fig. 3 is the structural representation of the described web member of photosensitive drums described in one of them embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail, to make those skilled in the art can implement according to this with reference to instructions word.
The above-mentioned photosensitive drums of the present invention, comprises cylinder body 1, and its two ends are provided with opening;
And first flange 2, it is arranged at described cylinder body 1 and receives the first end of driving force coaxial with the rotation of described cylinder body 1, described the first flange 2 comprises the cogged free end 21 of tool and the abutting end 22 engaging with described cylinder body inside surface, the Packed base portion 23 of its abutting end tool, described base portion 23 is extended with bulging axle 24 along described cylinder body 1 rotation, described bulging axle 24 tool bossed circular columns portions and be arranged to the rotation of described cylinder body coaxial; The free end of described circular columns portion is provided with pin 25, and described pin 25 extends along the direction vertical with the axis of described bulging axle 24; Described the first flange 2 free ends are along extending spatial accommodation 26 away from described cylinder body 1;
And web member 3, it is arranged in the extended spatial accommodation 26 of described the first flange 2 free end, and is connected to described bulging axle 24 by described pin 25; Comprise be flexibly connected the tapered hollow part 31 of described bulging axle 24, for receiving the recess 32 of driving shaft revolving force and connecting the connecting portion 33 of described tapered hollow part 31 and described recess 32, on the side of described tapered hollow part 31, be provided with the opening 311,312 passing for described pin 25; The bottom surface circumference of described tapered hollow part 31 has the flange radially extending along it.The circumferential edges of described recess 32 has the projection 321 being spacedly distributed.Described projection 321 is for example four, and described projection 321 is for example set to inner concave with the surface of contact of the bearing pin of described driving shaft.Thus, can make described web member 3 be mounted directly to the end of the cylinder body 1 of described photosensitive drums, it can be tilted along any direction.The material of described web member 3 is the resin materials such as polyacetal, polycarbonate and PPS etc.But, in order to increase the rigidity of described web member, according to required load torque, can be in resin material combined fiberglass, carbon fiber etc.In addition, can further increase rigidity by insert metal in above-mentioned resin material, and described whole web member 3 can be with manufactures such as metals.
In an embodiment, on cogged free end 21 end faces of tool of described the first flange 2, be connected with catch 27 therein, the sidewall outer rim of described tapered hollow part 31 has the flange radially extending along its bottom surface.Described catch 27 lower edges are less than the flange of described web member tapered hollow part 31 sidewall outer rims to the distance of described bulging axle 24 axis to the distance of described bulging axle 25 axis.Thus, described web member 3 can be from the interior disengaging of described spatial accommodation 26 of described the first flange 2.
In an embodiment, described catch 27 is arc therein, and itself and described cylinder body 1 coaxially arrange.Described catch 27 is for example installed on free end 21 end faces of described the first flange by screw.
Therein in an embodiment, interval 322 distances between the described projection 321 of the recess 32 of described web member 3 are greater than printer driver axle for exporting the diameter of rotating dog of revolving force.
In an embodiment, described projection 321 is at least two therein.
Photosensitive drums of the present invention also comprises the second flange (not shown) that is arranged at described cylinder body 1 second end, described the second flange has with described cylinder body inside surface is combined junction surface, with the support portion of the coaxial setting in described junction surface and for making the ground plate of described photosensitive drums ground connection.
In an embodiment, described cylinder body 1 is solid or hollow therein.
By the revolving force from for example motor receives, the driving shaft in printer body rotates together with gear along predetermined direction.Contact with any two projections of described web member 3 recesses with the pin of driving shaft one.Thus, the revolving force of driving shaft is passed to described web member 3 to rotate described web member 3.In addition, by the rotation of described web member 3, the opening on the described tapered hollow part 31 of described web member 3 with contact with the pin 25 of described bulging axle 24 one.Thus, the revolving force of driving shaft is passed to described cylinder body 1 by described web member 3, described projection 321, described tapered hollow part 31, described pin 25, described bulging axle 24 and described the first flange 2.By this way, rotating photosensitive drum.
Although embodiment of the present invention are open as above, but it is not restricted to listed utilization in instructions and embodiment, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other modification, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend of describing.
Claims (8)
1. a photosensitive drums, is characterized in that comprising cylinder body, and its two ends are provided with opening;
The first flange, it is arranged at described cylinder body and receives the first end of driving force coaxial with the rotation of described cylinder body, the abutting end that described the first flange comprises the cogged free end of tool and engages with described cylinder body inside surface, the Packed base portion of its abutting end tool, described base portion is extended with bulging axle along described cylinder body rotation, described bulging axle tool bossed circular columns portion and be arranged to the rotation of described cylinder body coaxial; The free end of described circular columns portion is provided with pin, and described pin extends along the direction vertical with the axis of described bulging axle; Described the first flange free end is along extending spatial accommodation away from described cylinder body;
Web member, it is arranged in the extended spatial accommodation of described the first flange free end, and is connected to described bulging axle by described pin; Comprise be flexibly connected the tapered hollow part of described bulging axle, for receiving the recess of driving shaft revolving force and connecting the connecting portion of described tapered hollow part and described recess, on the side of described tapered hollow part, be provided with the opening passing for described pin; The circumferential edges of described recess has the projection being spacedly distributed.
2. photosensitive drums as claimed in claim 1, is characterized in that, on the cogged free end end face of tool of described the first flange, is connected with catch, and the sidewall outer rim of described tapered hollow part has the flange radially extending along its bottom surface.Described catch lower edge is less than the flange of described web member tapered hollow part sidewall to the distance of described bulging axle axis to the distance of described bulging axle axis.
3. photosensitive drums as claimed in claim 2, is characterized in that, described catch is arc, and itself and described cylinder body coaxially arrange.
4. photosensitive drums as claimed in claim 1, is characterized in that, the spacing distance between the described projection of the recess of described web member is greater than printer driver axle for exporting the diameter of rotating dog of revolving force.
5. photosensitive drums as claimed in claim 4, is characterized in that, described projection is at least two.
6. photosensitive drums as claimed in claim 1, it is characterized in that, also comprise the second flange that is arranged at described cylinder body the second end, described the second flange has with described cylinder body inside surface is combined junction surface, with the support portion of the coaxial setting in described junction surface and for making the ground plate of described photosensitive drums ground connection.
7. photosensitive drums as claimed in claim 1, is characterized in that, the material of described web member is resin, glass fibre, carbon fiber and metal mixed material.
8. photosensitive drums as claimed in claim 1, is characterized in that, described cylinder body is solid or hollow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410017749.7A CN103744272A (en) | 2014-01-15 | 2014-01-15 | Photosensitive drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410017749.7A CN103744272A (en) | 2014-01-15 | 2014-01-15 | Photosensitive drum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103744272A true CN103744272A (en) | 2014-04-23 |
Family
ID=50501302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410017749.7A Pending CN103744272A (en) | 2014-01-15 | 2014-01-15 | Photosensitive drum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103744272A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101568887A (en) * | 2006-12-22 | 2009-10-28 | 佳能株式会社 | Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit |
| CN201725147U (en) * | 2010-05-26 | 2011-01-26 | 珠海赛纳科技有限公司 | Light sensing element |
| CN101995788A (en) * | 2010-10-26 | 2011-03-30 | 富美科技有限公司 | Photosensitive drum shaft end gear and transmission member |
| CN102067043A (en) * | 2008-06-20 | 2011-05-18 | 佳能株式会社 | Dismounting and mounting methods for coupling and electrophotographic photosensitive drum unit |
-
2014
- 2014-01-15 CN CN201410017749.7A patent/CN103744272A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101568887A (en) * | 2006-12-22 | 2009-10-28 | 佳能株式会社 | Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit |
| CN102067043A (en) * | 2008-06-20 | 2011-05-18 | 佳能株式会社 | Dismounting and mounting methods for coupling and electrophotographic photosensitive drum unit |
| CN201725147U (en) * | 2010-05-26 | 2011-01-26 | 珠海赛纳科技有限公司 | Light sensing element |
| CN101995788A (en) * | 2010-10-26 | 2011-03-30 | 富美科技有限公司 | Photosensitive drum shaft end gear and transmission member |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140423 |