CN102591184B - Process cartridge, and installation method and replacement method for photosensitive drum thereof - Google Patents

Process cartridge, and installation method and replacement method for photosensitive drum thereof Download PDF

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Publication number
CN102591184B
CN102591184B CN 201210073781 CN201210073781A CN102591184B CN 102591184 B CN102591184 B CN 102591184B CN 201210073781 CN201210073781 CN 201210073781 CN 201210073781 A CN201210073781 A CN 201210073781A CN 102591184 B CN102591184 B CN 102591184B
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China
Prior art keywords
ground connection
earth terminal
photosensitive drums
terminal
box framework
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CN 201210073781
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Chinese (zh)
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CN102591184A (en
Inventor
周宏辉
邱聪雨
谭武刚
杨晓锋
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Print Rite Unicorn Image Products Co Ltd
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Print Rite Unicorn Image Products Co Ltd
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Priority to CN 201210073781 priority Critical patent/CN102591184B/en
Publication of CN102591184A publication Critical patent/CN102591184A/en
Priority to PCT/CN2013/072591 priority patent/WO2013139224A1/en
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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
    • G03G21/1803—Arrangements or disposition of the complete process cartridge or parts thereof
    • G03G21/181—Manufacturing or assembling, recycling, reuse, transportation, packaging or storage

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electrophotography Configuration And Component (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)

Abstract

The invention discloses a process cartridge, and a installation method and replacement method for a photosensitive drum thereof. The process cartridge includes a cartridge frame, and the photosensitive drum rotationally mounted on the cartridge frame; the photosensitive drum is provided with a driving end and a grounding end, wherein a driving gear is arranged at the driving end, and a conducting strip and a flange with a center hole are arranged at the grounding end; the cartridge frame is provided with a driving end cover at one end close to the driving end, and is provided with a grounding end cover at one end close to the grounding end; and the driving end is supported on an end wall of the cartridge frame close to the driving end, while the grounding end is supported on the grounding end cover. According to invention, the photosensitive drum is simpler to install and replace, and the driving end of the photosensitive drum is provided with double positioning, so that the position of the driving gear of the photosensitive drum can be installed more accurately, and the transmission is more stable when the rotation driving force of the photosensitive drum is received; and the grounding end of the photosensitive drum can realize photosensitive drum positioning and grounding at the same time through one grounding pin, so that the structure is simplified, and the structural stability and the reliability of electric contact are enhanced.

Description

Handle box and photosensitive drum mounting method thereof and replacing method
Technical field
The present invention relates to a kind of handle box be applied in imaging device, relate in addition photosensitive drum mounting method and the photosensitive drums replacing method of this handle box.
Background technology
The imaging device of electro photography, as laser printer, is a kind of electrofax principle of utilizing, at least through overcharging, exposure, development, transfer printing, photographic fixing, clean process, form the equipment of image on as paper at image forming medium.Usually the handle box that comprises powder storehouse and waste powder hopper removably is installed in imaging device, to complete said process.
In charging process, by charging device, utilize as corona discharge mode or charging roller the predetermined electric charge of filling with as the surface uniform of photosensitive drums to light activated element; In exposure, optionally exposure is carried out in the light activated element surface of filling even predetermined charge with, light sensitive characteristic due to light activated element, to be grounded cancellation by the electric charge in the zone of exposure, like this, after exposure light activated element surface form one corresponding to wish form the electrostatic latent image that the distributions by electric charge of image characterizes; At developing process, by developing apparatus, as developer roll, the developer that is used to form visual image, as carbon dust, mating reaction power is delivered to the electrostatic latent image district on the surface of light activated element as the effect of electric field force, makes above-mentioned electrostatic latent image obtain visual; In transfer process, by transfer device, as transfer roll is transferred to image forming medium to the developer on the electrostatic latent image on light activated element surface as on paper; At fixing, by fixing device, the developer of transferring on image medium is secured on image forming medium.At cleaning course, by cleaning device, as cleaning doctor, the developer of light activated element remained on surface is wiped off, in order to avoid enter next imaging cycle, cause print defect.
In prior art, handle box generally includes box framework and is rotatably installed in photosensitive drums and the developer roll on this box framework, photosensitive drums has a drive end and an earth terminal, this drive end is provided with the driven wheel matched for the driving mechanism with in imaging device, make the photosensitive drums rotation to receive rotary driving force, at earth terminal, be provided with conducting strip and with the flange of center pit.Described box framework is provided with Driving terminal at the end near drive end, at the end near earth terminal, is provided with the ground connection end cap.
Summary of the invention
The first purpose of the present invention is to provide a kind of easy-disassembling-assembling handle box.
The second purpose of the present invention is to provide a kind of more easy photosensitive drum mounting method.
The 3rd purpose of the present invention is to provide a kind of more easy photosensitive drums replacing method.
For realizing above-mentioned the first purpose, the present invention has adopted following technical scheme: design a kind of handle box, comprise: box framework and be rotatably installed in the photosensitive drums on this box framework, described photosensitive drums has a drive end and an earth terminal, be provided with the driven wheel that makes photosensitive drums rotation for receiving rotary driving force at described drive end, at described earth terminal, be provided with conducting strip and with the flange of center pit; Described box framework is provided with Driving terminal at the end near described drive end, at the end near described earth terminal, is provided with the ground connection end cap; Described drive end is supported on described box framework near on the end wall of this drive end, and described earth terminal is supported on described earth terminal and covers.
A preferred scheme is that described box framework comprises powder Hatch Coaming frame and waste powder hopper framework.Described waste powder hopper framework is provided with the pilot hole that can pass and be located for described driven wheel on the close end wall of described drive end, and this pilot hole has the locating flange of the described driven wheel of supporting; Described Driving terminal is provided with the position through hole corresponding with described pilot hole, to expose the driving force receiving portion of described driven wheel; Described earth terminal covers and is formed with the position connecting hole corresponding with described center pit, and a ground connection pin contacts with center pit and with described conducting strip through described connecting hole, and described earth terminal is supported on described connecting hole by this ground connection pin.
Preferably, form separable the connection between described Driving terminal and described ground connection end cap and described box framework.For example, described Driving terminal is connected with described box framework by screw respectively with described ground connection end cap.
For realizing above-mentioned the second purpose, the present invention has adopted following technical scheme: the photosensitive drum mounting method that designs a kind of handle box, this handle box comprises box framework and is rotatably installed in the photosensitive drums on this box framework, described photosensitive drums has a drive end and an earth terminal, be provided with the driven wheel that makes photosensitive drums rotation for receiving rotary driving force at described drive end, at described earth terminal, be provided with conducting strip and with the flange of center pit; Described box framework is provided with Driving terminal at the end near described drive end, at the end near described earth terminal, is provided with the ground connection end cap; Described photosensitive drum mounting method comprises the following steps:
Described driven wheel is installed in described pilot hole;
Described Driving terminal is connected to described box framework, the through hole of driving force receiving portion from described Driving terminal of described driven wheel outwards exposed;
Described ground connection end cap is connected to described box framework;
One ground connection pin is inserted in the center pit of described flange by being located at the connecting hole that described earth terminal covers from outside to inside, described ground connection pin is supported on described earth terminal on described connecting hole, and described ground connection pin is contacted with described conducting strip.
Preferably, can described Driving terminal and described ground connection end cap be connected to described box framework by screw.
For realizing above-mentioned the 3rd purpose, the present invention has adopted following technical scheme: a kind of photosensitive drums replacing method that designs handle box, this handle box comprises box framework and is rotatably installed in the photosensitive drums on this box framework, described photosensitive drums has a drive end and an earth terminal, be provided with the driven wheel that makes photosensitive drums rotation for receiving rotary driving force at described drive end, at described earth terminal, be provided with conducting strip and with the flange of center pit; Described box framework is provided with Driving terminal at the end near described drive end, at the end near described earth terminal, is provided with the ground connection end cap, and described Driving terminal is connected with described box framework by screw respectively with the ground connection end cap; Described earth terminal covers and is formed with the position connecting hole corresponding with described center pit, and a ground connection pin contacts with center pit and with described conducting strip through described connecting hole; It is characterized in that, described photosensitive drums replacing method comprises the following steps:
Remove the screw that described Driving terminal and earth terminal cover;
Remove the described ground connection pin be arranged between described ground connection end cap and flange, make it to unclamp with described flange;
Remove described ground connection end cap;
Remove described Driving terminal;
Described driven wheel is broken away from from be supported on described pilot hole, and by its taking-up;
The driven wheel of new photosensitive drums is installed in described pilot hole;
Described Driving terminal is connected to described box framework, described driven wheel is outwards exposed from described through hole;
Described ground connection end cap is connected to described box framework;
One ground connection pin is inserted in the center pit of described flange by being located at the connecting hole that described earth terminal covers from outside to inside, described ground connection pin is supported on described earth terminal on described connecting hole, and described ground connection pin is contacted with described conducting strip.
Beneficial effect of the present invention is:
1. make photosensitive drums install and change more simple and easy.
2. make the drive end of photosensitive drums obtain Dual positioning, make the position installation of photosensitive drum driving gear more accurate, while accepting the photosensitive drums rotary driving force, transmission is more stable.
3. the photosensitive drums earth terminal is realized location and the ground connection of photosensitive drums simultaneously by a ground connection pin, simplifies the structure, the reliability that has strengthened structural stability and electrically contacted.
The accompanying drawing explanation
Fig. 1 is the stereographic map of the drive end side of a kind of handle box of the present invention.
Fig. 2 is the stereographic map that the ground connection of handle box shown in Fig. 1 is distolateral.
Fig. 3 is that handle box shown in Fig. 1 is being hidden the stereographic map after the Driving terminal.
Fig. 4 is the inner structure schematic diagram of handle box shown in Fig. 3.
Fig. 5 is the parts explosion of handle box shown in Fig. 1.
Fig. 6 is the photosensitive drums assembling schematic diagram of handle box shown in Fig. 1.
Fig. 7 is another angular views of Fig. 6.
Embodiment
A kind of handle box 10 provided by the invention as shown in Figures 1 to 5, this handle box 10 comprised box framework 1, Driving terminal 3, ground connection end cap 4 and has been rotatably installed in photosensitive drums 2 on this box framework 1 and developer roll 5 etc., and box framework 1 is comprised of powder Hatch Coaming frame 6 and waste powder hopper framework 7.
Photosensitive drums 2 has a drive end 21 and an earth terminal 22, wherein, at drive end 21, is provided with driven wheel 23, and this driven wheel 23 can match with the driving mechanism in imaging device, makes photosensitive drums 2 rotations with the rotary driving force that receives this driving mechanism; This photosensitive drums 2 is provided with the flange 24 with center pit 241 at its earth terminal 22, is provided with in the inboard of flange 24 with the surface of photosensitive drums 2 and forms the conducting strip be electrically connected to.
Driving terminal 3 is arranged on box framework 1 end near drive end 21, and ground connection end cap 4 is arranged on the end of box framework 1 near earth terminal 22, between Driving terminal 3 and ground connection end cap 4 and box framework, can form separable the connection, such as being connected by screw etc.Waste powder hopper framework 7 has at the end near drive end 21 end wall 11 of driving, and this driving end wall 11 is provided with the pilot hole 12 that can pass and be located for driven wheel 23, and the outside of this pilot hole 12 has the locating flange 13 of this driven wheel 23 of supporting.Described Driving terminal 3 is provided with the position through hole corresponding with this pilot hole 12 31, to expose the driving force receiving portion 231 of driven wheel 23.Be formed with the position connecting hole corresponding with the center pit 241 of flange 24 41 on described ground connection end cap 4, one ground connection pin 8 contacts with center pit 241 and with the conducting strip of earth terminal 22 inside through this connecting hole 41, and earth terminal 22 is supported on connecting hole 41 by this ground connection pin 8.
Consult Fig. 6 and Fig. 7, for the handle box 10 of said structure, the installation method of its photosensitive drums 2 comprises the following steps simultaneously:
The driven wheel 23 of photosensitive drums 2 one ends is installed in the pilot hole 12 on the driving end wall 11 of waste powder hopper framework 7, the other end is shelved on developer roll 5 surfaces naturally;
By screw etc., Driving terminal 3 is connected to box framework 1, the through hole 31 of driving force receiving portion 231 from Driving terminal 3 of driven wheel 23 outwards exposed;
By screw etc., ground connection end cap 4 is connected to box framework 1;
Ground connection pin 8 is inserted in the center pit 241 of flange 24 by the connecting hole 41 be located on ground connection end cap 4 from outside to inside, ground connection pin 8 is supported on earth terminal 22 on connecting hole 41, and ground connection pin 8 is contacted with the conducting strip of earth terminal 22 inside.
For the handle box 10 of said structure, the replacing method of its photosensitive drums 2 comprises the following steps:
Remove the screw on Driving terminal 3 and ground connection end cap 4;
Remove the ground connection pin 8 be arranged between ground connection end cap 4 and flange 24, make it to unclamp with flange 24;
Remove ground connection end cap 4;
Remove Driving terminal 3;
Driven wheel 23 is broken away from from be supported on pilot hole 12, and by its taking-up;
The driven wheel of new photosensitive drums 23 is installed in pilot hole 12, and the other end is shelved on developer roll 5 surfaces naturally;
By screw etc., Driving terminal 3 is connected to box framework 1, the through hole 31 of driving force receiving portion 231 from Driving terminal 3 of driven wheel 23 outwards exposed;
By screw etc., ground connection end cap 4 is connected to box framework 1;
Ground connection pin 8 is inserted in the center pit 241 of flange 24 by the connecting hole 41 be located on ground connection end cap 4 from outside to inside, ground connection pin 8 is supported on earth terminal 22 on connecting hole 41, and ground connection pin 8 is contacted with the conducting strip of earth terminal 22 inside.
Therefore, handle box of the present invention is supported on box framework near on the end wall of this drive end by the drive end that makes its photosensitive drums, earth terminal is supported on earth terminal and covers, thereby make photosensitive drums install and change more simple and easy, make the drive end of photosensitive drums obtain Dual positioning, the position of photosensitive drum driving gear is installed more accurate, and while accepting the photosensitive drums rotary driving force, transmission is more stable; The photosensitive drums earth terminal is realized location and the ground connection of photosensitive drums simultaneously by a ground connection pin, simplify the structure, the reliability that has strengthened structural stability and electrically contacted.
Above-described is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, and these all belong to protection scope of the present invention.

Claims (6)

1. a handle box, comprise: box framework and be rotatably installed in the photosensitive drums on this box framework, described box framework comprises powder Hatch Coaming frame and waste powder hopper framework, described photosensitive drums has a drive end and an earth terminal, be provided with the driven wheel that makes photosensitive drums rotation for receiving rotary driving force at described drive end, at described earth terminal, be provided with conducting strip and with the flange of center pit; Described box framework is provided with Driving terminal at the end near described drive end, at the end near described earth terminal, is provided with the ground connection end cap; It is characterized in that: described drive end is supported on described box framework near on the end wall of this drive end, and described earth terminal is supported on described earth terminal and covers; Described waste powder hopper framework is provided with the pilot hole that can pass and be located for described driven wheel on the close end wall of described drive end, and this pilot hole has the locating flange of the described driven wheel of supporting; Described Driving terminal is provided with the position through hole corresponding with described pilot hole, and to expose the driving force receiving portion of described driven wheel, described through hole and described pilot hole form Dual positioning to described driven wheel; Described earth terminal covers and is formed with the position connecting hole corresponding with described center pit, and a ground connection pin contacts with center pit and with described conducting strip through described connecting hole, and described earth terminal is supported on described connecting hole by this ground connection pin.
2. handle box according to claim 1 is characterized in that: between described Driving terminal and described ground connection end cap and described box framework, form separable the connection.
3. handle box according to claim 2, it is characterized in that: described Driving terminal is connected with described box framework by screw respectively with described ground connection end cap.
4. the photosensitive drum mounting method of a handle box, this handle box comprises box framework and is rotatably installed in the photosensitive drums on this box framework, described photosensitive drums has a drive end and an earth terminal, be provided with the driven wheel that makes photosensitive drums rotation for receiving rotary driving force at described drive end, at described earth terminal, be provided with conducting strip and with the flange of center pit; Described box framework is provided with Driving terminal at the end near described drive end, at the end near described earth terminal, is provided with the ground connection end cap; It is characterized in that, described photosensitive drum mounting method comprises the following steps:
Described driven wheel is installed in described pilot hole;
Described Driving terminal is connected to described box framework, the through hole of driving force receiving portion from described Driving terminal of described driven wheel outwards exposed;
Described ground connection end cap is connected to described box framework;
One ground connection pin is inserted in the center pit of described flange by being located at the connecting hole that described earth terminal covers from outside to inside, described ground connection pin is supported on described earth terminal on described connecting hole, and described ground connection pin is contacted with described conducting strip.
5. photosensitive drum mounting method according to claim 4, is characterized in that: by screw, described Driving terminal and described ground connection end cap are connected to described box framework.
6. the photosensitive drums replacing method of a handle box, this handle box comprises box framework and is rotatably installed in the photosensitive drums on this box framework, described photosensitive drums has a drive end and an earth terminal, be provided with the driven wheel that makes photosensitive drums rotation for receiving rotary driving force at described drive end, at described earth terminal, be provided with conducting strip and with the flange of center pit; Described box framework is provided with Driving terminal at the end near described drive end, at the end near described earth terminal, is provided with the ground connection end cap, and described Driving terminal is connected with described box framework by screw respectively with the ground connection end cap; Described earth terminal covers and is formed with the position connecting hole corresponding with described center pit, and described earth terminal is supported on this connecting hole by a ground connection pin, and this ground connection pin contacts with center pit and with described conducting strip through described connecting hole; It is characterized in that, described photosensitive drums replacing method comprises the following steps:
Remove the screw that described Driving terminal and earth terminal cover;
Remove the described ground connection pin be arranged between described ground connection end cap and flange, make it to unclamp with described flange;
Remove described ground connection end cap;
Remove described Driving terminal;
Described driven wheel is broken away from from be supported on described pilot hole, and by its taking-up;
The driven wheel of new photosensitive drums is installed in described pilot hole;
Described Driving terminal is connected to described box framework, described driven wheel is outwards exposed from described through hole;
Described ground connection end cap is connected to described box framework;
One ground connection pin is inserted in the center pit of described flange by being located at the connecting hole that described earth terminal covers from outside to inside, described ground connection pin is supported on described earth terminal on described connecting hole, and described ground connection pin is contacted with described conducting strip.
CN 201210073781 2012-03-19 2012-03-19 Process cartridge, and installation method and replacement method for photosensitive drum thereof Active CN102591184B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN 201210073781 CN102591184B (en) 2012-03-19 2012-03-19 Process cartridge, and installation method and replacement method for photosensitive drum thereof
PCT/CN2013/072591 WO2013139224A1 (en) 2012-03-19 2013-03-14 Processing cartridge, and mounting method and replacement method for photosensitive drum thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201210073781 CN102591184B (en) 2012-03-19 2012-03-19 Process cartridge, and installation method and replacement method for photosensitive drum thereof

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CN102591184B true CN102591184B (en) 2013-12-18

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102591184B (en) * 2012-03-19 2013-12-18 珠海天威飞马打印耗材有限公司 Process cartridge, and installation method and replacement method for photosensitive drum thereof
CN103345137B (en) * 2013-07-02 2015-11-18 珠海天威飞马打印耗材有限公司 Processing box for laser printer
CN107065485A (en) * 2016-12-31 2017-08-18 上海宜达胜临港打印耗材有限公司 A kind of method that printer toner cartridge is remanufactured
CN110153679B (en) * 2019-05-30 2024-05-24 珠海智新自动化科技有限公司 Selenium drum waste powder storehouse production line

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3969805B2 (en) * 1996-09-26 2007-09-05 キヤノン株式会社 Electrophotographic image forming apparatus
CN201007784Y (en) * 2006-05-30 2008-01-16 珠海纳思达电子科技有限公司 Easy-to-assembly developing box
CN200962189Y (en) * 2006-07-23 2007-10-17 珠海天威技术开发有限公司 Processing box
CN102200706B (en) * 2010-03-22 2014-08-27 珠海赛纳打印科技股份有限公司 Power transmission apparatus for photosensitive element
JP5106656B2 (en) * 2010-06-22 2012-12-26 キヤノン株式会社 Process cartridge and image forming apparatus
CN202003140U (en) * 2010-07-29 2011-10-05 珠海天威飞马打印耗材有限公司 Toner cartridge
CN102591184B (en) * 2012-03-19 2013-12-18 珠海天威飞马打印耗材有限公司 Process cartridge, and installation method and replacement method for photosensitive drum thereof

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WO2013139224A1 (en) 2013-09-26

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