CN100388134C - Processing cartridge with power inputting buffer unit - Google Patents
Processing cartridge with power inputting buffer unit Download PDFInfo
- Publication number
- CN100388134C CN100388134C CNB031399819A CN03139981A CN100388134C CN 100388134 C CN100388134 C CN 100388134C CN B031399819 A CNB031399819 A CN B031399819A CN 03139981 A CN03139981 A CN 03139981A CN 100388134 C CN100388134 C CN 100388134C
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- torsion spring
- photosensitive drums
- handle box
- buffer unit
- power input
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Abstract
The present invention relates to a processing cartridge with a power inputting buffer unit, which comprises a powder bin, a charge roller and a cleaning scraping cutter, wherein carbon powder and a stirring unit for stirring the carbon powder are arranged in the powder bin; a powder outlet is provided with a magnetic roller; a photosensitive drum is rotatablely supported by a waste powder bin opening, and is used for receiving a light signal for generating an image latent image; the charge roller is used for charging the photosensitive drum; the cleaning scraping cutter is used for cleaning remaining carbon powder on the surface of the photosensitive drum; the powder bin and a waste powder bin are connected by hinges arranged on both sides; the stirring unit and the magnetic roller are used for receiving power from the photosensitive drum by a gear train; one axis end of the photosensitive drum is provided with an elastic torque receiving member. When the instant momentum of the processing cartridge to start with work is the maximum, each axial cross section of the elastic torque receiving member elastically and correspondingly rotates for absorbing the momentum for converting the momentum into the deformation potential energy of the elastic torque receiving member in order to effectively relieve mutual impact between a power output mechanism of electrophotograph image forming equipment and a power input mechanism of the processing cartridge.
Description
Technical field
The present invention relates to the handle box that a kind of electronic photographicing image forming device uses, particularly have the handle box of power input buffer unit.
Background technology
Such as electronic photographic image forming devices such as duplicating machine, facsimile recorder, laser printers, the removable handle box of the common use container of carbon dust as a supplement also is engaged in formation image on the medium with it, the power source of moving component is the motor in the electronic photographic image forming device in the handle box, the output terminal of the power take-off mechanism of motor can be a gear, also can be the shrinkage pool of an on-circular cross-section.At present, the power input mechanism that handle box is corresponding with the above-mentioned power way of output respectively then has two kinds of gearing mesh and the projections that cooperate with the on-circular cross-section shrinkage pool.
The defective of meshed transmission gear mode is that the relative positioning precision of handle box in the electronic photographic image forming device is lower, is easy to generate the print quality defective; The mode that adopts projection to engage with shrinkage pool, some defectives of meshed transmission gear have been overcome, and, as projection and shrinkage pool are designed to the distortion body that can cooperatively interact and twist the hole, also can realize the axial and radial location of handle box in the electronic photographic image forming device during work.
In above two kinds of power delivery modes, the moment that electronic photographic image forming device drive motor is started working, can produce the very high momentum of amplitude between power take-off mechanism and the handle box power input mechanism inevitably, this makes that not only output mechanism and input mechanism all can be because of this recurrent overload reductions of service life, and problem also takes place motor easily.
Summary of the invention
Fundamental purpose of the present invention is a kind of handle box with power input buffer unit of design, alleviates the moment momentum that electronic photographic image forming device drive motor is started working;
Another object of the present invention is to design a kind of not only can the realization axially and radial location, the also handle box with power input buffer unit that can cooperate with the various ways shrinkage pool of on-circular cross-section.
For achieving the above object, the technical solution used in the present invention is as follows: the handle box with power input buffer unit that provides comprises a powder storehouse, in fill carbon dust and stir the stirring apparatus of carbon dust, the two axial ends of stirring apparatus is bearing on the bearing seat of powder storehouse inwall, be provided with a magnetic roller at the meal outlet place in powder storehouse, the two supports of magnetic roll shaft is on the bearing seat on the end walls that is positioned at powder Hatch Opening place.
A waste powder hopper, the Hatch Opening rotatably support a photosensitive drums, be used to accept light signal and produce the image latent image, a charging roller that charges to photosensitive drums, charging roller and the friction of photosensitive drums face touch scrolling form the essentially identical rotation of linear velocity, article one, remove the cleaning doctor of the residual carbon dust of photosensitive drums, blade flexibly is pressed on photosensitive drum surface.
Be connected rotatably by the hinge of being located at two ends between powder storehouse and the waste powder hopper.Stirring apparatus, magnetic roller rotate at work by the power of gear train acceptance from photosensitive drums.
One axle head of photosensitive drums is fixed with an elastic torque receiving element, is used to accept the power input of electronic photographicing image forming device.
From above scheme as seen, because the power input mechanism of cartridge is an elastic torque receiving element that is arranged on photosensitive drums one end, when the moment that drive motor is started working, momentum was maximum, elasticity can take place between the axial section of each of this receiving element to relatively rotate, absorb momentum, be about to momentum and be converted to the potential energy of deformation of elastic torque receiving element, thereby alleviated the mutual impact between electronic photographicing image forming device power take-off mechanism and the handle box power input mechanism effectively.
The elastic torque receiving element can be a torsion spring, and the external diameter of torsion spring is slightly less than the inscribed circle diameter of electronic photographicing image forming device power output shrinkage pool.Torsion spring and photosensitive drums coaxial line, the preferably rotation direction and the photosensitive drums switched in opposite of torsion spring.
The discount that the oriented external diameter of one end of torsion spring protrudes is used for against the madial wall of electronic photographicing image forming device power output shrinkage pool photosensitive drums being rotated, and the other end of torsion spring is fixed on the photosensitive drum shaft.
In order to make transmission of power more steadily and reliable, when discount can be processed into the discount that an end protrudes to the spring external diameter, make again discount form one be close to the torsion spring external diameter, to axial kink.
For the electronic photographicing image forming device that distorted shape power output shrinkage pool is arranged, when discount can be processed into the discount that an end protrudes to the spring external diameter, make again discount form one be close to the torsion spring outer wall and with the kink that spiral angle is axially arranged, spiral angle is cooperated with the torsion resistance of shrinkage pool, combination on warp surface is transmitted moment of torsion to handle box.
The stiff end of torsion spring and photosensitive drums is axially to bend one day and extend after one section again to the structure of bending radially, it can insert the hole that is positioned at torsion spring seat bottom, photosensitive drums end, and flexibly open, make the relative photosensitive drums axial restraint of torsion spring, the torsion spring base has certain degree of depth, and this can make the relative photosensitive drums of torsion spring radially fixing.
Description of drawings
Fig. 1 is the shaft side figure of most preferred embodiment of the present invention;
Fig. 2 is the sectional drawing of most preferred embodiment of the present invention along photosensitive drums axis vertical direction;
Fig. 3 is the outboard profile that most preferred embodiment of the present invention can be seen elastic torque receiving element external part;
Fig. 4 is the part figure that photosensitive drums is equipped with the axial section of elastic torque receiving element end;
Fig. 5 is an A-A sectional view among Fig. 4, and the planform of reflection photosensitive drums end torsion spring base has been omitted the elastic torque receiving element among Fig. 5;
Fig. 6 is in the most preferred embodiment of the present invention, the shaft side figure of torsion spring and photosensitive drums one end released state;
Fig. 7 is the shaft side figure after torsion spring and photosensitive drums one end are fixed;
Fig. 8 be torsion spring with electronic photographicing image forming device power output shrinkage pool from synoptic diagram;
Fig. 9 is a torsion spring and synoptic diagram after electronic photographicing image forming device power output shrinkage pool engages;
Figure 10 is the section relative status figure of handle box torsion spring and shrinkage pool when not working;
The section relative status figure of torsion spring and shrinkage pool when Figure 11 is handle box work;
Figure 12 is the torsion spring structural drawing of another embodiment;
Figure 13 is the torsion spring structural drawing of another embodiment.
Be described in further detail below in conjunction with various embodiments of the present invention itself and accompanying drawing.
Embodiment
Referring to Fig. 1, handle box is made of a powder storehouse 1 and a waste powder hopper 2, powder storehouse 1 can be connected in a small angle range by a pair of hinge 3 that is arranged on the two storehouse sidewalls rotationally with waste powder hopper 2, can only see a hinge 3 among Fig. 1, and another cuts with scissors on relative sightless.The shaft end that stretches out this side of handle box in photosensitive drums, fixing the elastic torque receiving element that axially stretches out, in this example, it is a torsion spring 4, when handle box is inserted the electronic photographicing image forming device, it can cooperate with the clutch end of electronic photographicing image forming device, the power of handle box moving components such as input photosensitive drums, puddle support, magnetic roller, charging roller.
Referring to Fig. 2, handle box provided by the invention is the same with prior art, and a powder storehouse 1 that holds carbon dust is arranged, and except that carbon dust is arranged, stirs the rotary type stirring apparatus 9 of carbon dust when also having a job in powder storehouse 1, at the meal outlet place in powder storehouse 1 a magnetic roller 8 is arranged.As described above, waste powder hopper 2 is hinged with powder storehouse 1, and charging roller 5, photosensitive drums 7 are housed on it, is provided with a cleaning doctor 6 at the Hatch Opening of waste powder hopper 2.The a pair of spring 10 that is arranged between powder storehouse 1 and the waste powder hopper 2 makes two warehouses push against at photosensitive drums 7 and magnetic roller 8 tangent positions, carry reliably on photosensitive drums 7 to guarantee the carbon dust on the magnetic roller 8, charging roller 5 is used for to photosensitive drums 7 chargings, cleaning doctor 6 is used for that remaining useless powder is gone up on photosensitive drums 7 surfaces and scrapes, and the useless powder that scrapes falls in the bin of waste powder hopper 2.Photosensitive drums 7, charging roller 5, magnetic roller 8 and stirring apparatus 8 all are rotatable parts, each rotating shaft is parallel to each other in the space, receive the rotational power that the electronic photographicing image forming device provides by photosensitive drums 7, gear by photosensitive drum shaft 7 ends drives magnetic roller 8 and stirring apparatus 9 rotations by carrier gear again, 5 of charging rollers are to force it to be pressed on the photosensitive drums 7 by the elastic shaft support, by friction force acquisition rotational power between the two.
Referring to Fig. 3, at this end face of powder storehouse 1 and waste powder hopper 2, the main body of torsion spring 4 is circular, and it is coaxially to be fixed on photosensitive drums on the external part of this end face with photosensitive drums 7.
Referring to Fig. 4 and Fig. 5, photosensitive drums 7 has an annular groove 71 that cooperates with torsion spring 4 on end face, torsion spring 4 inserts wherein and obtains radial location, the stiff end of torsion spring 4 has one to have the radially bar of bending part 41, the strip hole 72 that it inserts on the photosensitive drums 7, the back bending part 41 that puts in place flexibly opens on the inwall 73 that is hooked in photosensitive drums 7 end faces, thereby obtains axial location, simultaneously, torsion spring 4 has also obtained circumferentially fixing in photosensitive drums.Torsion spring 4 has a free end 42 on Fig. 4 right side, its power take-off mechanism with the electronic photographicing image forming device cooperates, and concrete working method will be explained below.
Referring to Fig. 6 and Fig. 7, the length direction in the strip hole 72 of photosensitive drums 7 ends is radially, and the bending part 41 of torsion spring 4 is also radially, like this, bending part 41 is subjected to radially oppressing in the process that enters strip hole 72, is just recovered as described above after in place.The free end 42 of torsion spring 4 has a discount 43 that radially outward protrudes.
Referring to Fig. 8, handle box is when putting into the electronic photographicing image forming device, the unit head 10 of power input mechanism is away from torsion spring 4, and when the handle box storehouse on covering the electronic photographicing image forming device was covered, unit head 10 can be advanced and be enclosed within on the torsion spring 4 as Fig. 9 vertically.Unit head 10 has a shrinkage pool 11, and shrinkage pool 11 is the triangular prism space of a distortion substantially, and torsion spring stretches in the shrinkage pool 11 for 4 this moments.
Referring to Figure 10, shrinkage pool 11 has a slightly larger in diameter in the incircle of torsion spring 4 external diameters, when handle box is not worked, because the discount 43 of torsion spring 4 radially outward protrudes, is positioned at naturally outside the incircle of shrinkage pool 11 and puts in the corner angle portion of twisting the triangular prism space.
Referring to Figure 11, during handle box work, unit head 10 will show direction of arrow rotation by Figure 11, because the rotation direction of torsion spring 4 in contrast, powerful torsional pulse is defeated on discount 43 and is made torsion spring 4 twistings, the diameter that is torsion spring 4 is expanded, and this process is one momentum is converted into the process of knob spring 4 potentials energy of deformation, also is a process of slowing down impact simultaneously.
Referring to Figure 12, the design that the present invention provides is not limited only to the foregoing description, for making power transmission more reliable, when having on-circular cross-section shrinkage pool 11 for unit head 10, can also be designed to not only have the discount 43 that radially outward protrudes to torsion spring 4, and then an axial bending part 44 be arranged at the outer wall that pastes spring.
Referring to Figure 13, when having the distortion shrinkage pool 11 of on-circular cross-section, then can be designed to not only have radially outward the discount 43 that protrudes to torsion spring 4 for unit head 10, and then be close to the outer wall of spring, and with the kink 45 that spiral angle is axially arranged.
Claims (6)
1. have the handle box of power input buffer unit, comprise
A powder storehouse, in fill carbon dust and stir the stirring apparatus of carbon dust, be provided with a magnetic roller at the meal outlet place in powder storehouse;
A waste powder hopper, Hatch Opening rotatably support a photosensitive drums, are used to accept light signal and produce the image latent image, a charging roller that charges to photosensitive drums, a cleaning doctor of removing the residual carbon dust of photosensitive drum surface;
Be connected rotationally by the hinge of being located at two ends between powder storehouse and the waste powder hopper;
Stirring apparatus, magnetic roller are by the power of gear train acceptance from photosensitive drums;
It is characterized in that:
One axle head of photosensitive drums has an elastic torque receiving element, is used to accept the power input of electronic photographicing image forming device.
2. according to the described handle box of claim 1, it is characterized in that with power input buffer unit:
Described elastic torque receiving element is a torsion spring, and the external diameter of torsion spring is slightly less than the inscribed circle diameter of electronic photographicing image forming device power output shrinkage pool.
3. according to the described handle box of claim 2, it is characterized in that with power input buffer unit:
The discount that the oriented external diameter of described torsion spring free end protrudes is used for against the madial wall of electronic photographicing image forming device power output shrinkage pool;
The other end of described torsion spring is fixed on the photosensitive drum shaft.
4. according to the described handle box of claim 3, it is characterized in that with power input buffer unit:
One end of described torsion spring is close to the torsion spring outer wall to axial kink in addition to the discount that the spring external diameter protrudes.
5. according to the described handle box of claim 3, it is characterized in that with power input buffer unit:
The discount that one end of described torsion spring protrudes to the spring external diameter be close in addition the torsion spring outer wall and with the kink that spiral angle is axially arranged.
6. according to the arbitrary handle box of claim 2 to 5, it is characterized in that with power input buffer unit:
The stiff end of described torsion spring and photosensitive drums is one to axial bending and extend after one section again to the structure of bending radially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031399819A CN100388134C (en) | 2003-07-29 | 2003-07-29 | Processing cartridge with power inputting buffer unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031399819A CN100388134C (en) | 2003-07-29 | 2003-07-29 | Processing cartridge with power inputting buffer unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1577176A CN1577176A (en) | 2005-02-09 |
| CN100388134C true CN100388134C (en) | 2008-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031399819A Expired - Fee Related CN100388134C (en) | 2003-07-29 | 2003-07-29 | Processing cartridge with power inputting buffer unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100388134C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749820B (en) * | 2011-04-20 | 2015-09-02 | 珠海赛纳打印科技股份有限公司 | A kind of driving mechanism for light sensitive element |
| CN109974910B (en) * | 2017-12-27 | 2021-01-26 | 纳思达股份有限公司 | Torque detection method and device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5339133A (en) * | 1992-05-19 | 1994-08-16 | Konica Corporation | Image forming apparatus including process cartridge with magnetic connector |
| CN1179558A (en) * | 1996-09-26 | 1998-04-22 | 佳能株式会社 | Process cartridge and electrophotographic image forming apparatus |
| CN1194388A (en) * | 1996-09-26 | 1998-09-30 | 佳能株式会社 | Treating card box and electric photographic image forming device |
| JP2001117308A (en) * | 1999-10-21 | 2001-04-27 | Ricoh Co Ltd | Image forming device |
| CN1356598A (en) * | 2000-11-28 | 2002-07-03 | 佳能株式会社 | Dveloping device, processing box, imaging unit of electrostatic copier and its electric contact element |
| JP2003208024A (en) * | 2002-01-15 | 2003-07-25 | Canon Inc | Driving device and color image forming device |
| CN2681176Y (en) * | 2003-09-11 | 2005-02-23 | 珠海天威飞马打印耗材有限公司 | Processing case having conductive transmission and buffering device |
-
2003
- 2003-07-29 CN CNB031399819A patent/CN100388134C/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5339133A (en) * | 1992-05-19 | 1994-08-16 | Konica Corporation | Image forming apparatus including process cartridge with magnetic connector |
| CN1179558A (en) * | 1996-09-26 | 1998-04-22 | 佳能株式会社 | Process cartridge and electrophotographic image forming apparatus |
| CN1194388A (en) * | 1996-09-26 | 1998-09-30 | 佳能株式会社 | Treating card box and electric photographic image forming device |
| JP2001117308A (en) * | 1999-10-21 | 2001-04-27 | Ricoh Co Ltd | Image forming device |
| CN1356598A (en) * | 2000-11-28 | 2002-07-03 | 佳能株式会社 | Dveloping device, processing box, imaging unit of electrostatic copier and its electric contact element |
| JP2003208024A (en) * | 2002-01-15 | 2003-07-25 | Canon Inc | Driving device and color image forming device |
| CN2681176Y (en) * | 2003-09-11 | 2005-02-23 | 珠海天威飞马打印耗材有限公司 | Processing case having conductive transmission and buffering device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1577176A (en) | 2005-02-09 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: AEG PHOTOCONDUCTOR SHANGHAI CO., LTD Free format text: FORMER OWNER: ZHUHAI TIANWEI FEIMA PRINTING MATERIALS CO., LTD. Effective date: 20100628 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 519060 NO.32, PINGBEI 1 ROAD, NANPING SCIENCE AND TECHNOLOGY INDUSTRIAL PARK, ZHUHAI CITY, GUANGDONG PROVINCE TO: 201815 NO.1 WORKSHOP, NO.1300, BEIHE HIGHWAY, JIADING INDUSTRY DISTRICT, SHANGHAI CITY |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100628 Address after: 201815, No. 1300, No.1 North Road, Jiading Industrial Zone, Shanghai Patentee after: Shanghai Agger photosensitive material Co., Ltd. Address before: 519060 Guangdong province Zhuhai Nanping Science and Technology Industrial Park, ping North Road No. 32 Patentee before: Tianwei Feima Consumptive Material of Printer Co., Ltd., Zhuhai City |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080514 Termination date: 20140729 |
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| EXPY | Termination of patent right or utility model |