CN102591178A - Developing component and processing cartridge - Google Patents
Developing component and processing cartridge Download PDFInfo
- Publication number
- CN102591178A CN102591178A CN2012100678082A CN201210067808A CN102591178A CN 102591178 A CN102591178 A CN 102591178A CN 2012100678082 A CN2012100678082 A CN 2012100678082A CN 201210067808 A CN201210067808 A CN 201210067808A CN 102591178 A CN102591178 A CN 102591178A
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- Prior art keywords
- shifting board
- projection
- powder storehouse
- developing
- puddle support
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- Cleaning In Electrography (AREA)
Abstract
The invention provides a developing component and a processing cartridge. The developing component comprises a powder cabin, a developing cabin, a movable baffle plate, an elastic connecting body, first bumps and second bumps, wherein a communicating opening is formed between the developing cabin and the powder cabin; the movable baffle plate is used for opening and closing the communicating opening; the two ends of the movable baffle plate along an axial direction of a mixing frame are arranged in chutes which are formed on the two side walls of the powder cabin respectively; the movable baffle plate is driven to slide to a position at which the communicating opening is closed by the recovering force of the elastic connecting body along the chutes; the first bumps are positioned on the side surface of the movable baffle plate which faces the mixing frame; the second bumps are positioned on the mixing frame; and the first bumps and the second bumps are pressed against each other and overcome the recovering force of the elastic connecting body when the mixing frame is rotated to a position which is close to the movable baffle plate, so that the movable baffle plate slides to a position at which the communicating opening is opened along the chutes. By using the structure design of the movable baffle plate, carbon powder is effectively controlled to enter the developing cabin only when the mixing frame is rotated, and the phenomena of the pollution of consumable pieces in the developing cabin and the waste of the carbon powder which are caused when the carbon powder enters the developing cabin in a non-working state are prevented.
Description
Technical field
The present invention relates to a kind of developing device and handle box that is used for electrophotographic image forming.
Background technology
Electrophotograph imaging device is a kind of equipment that utilizes electric photographing imaging principle on recording materials, to form image, comprises duplicating machine, printer, facsimile recorder etc.The handle box that in the electrophotograph imaging device that makes electricity consumption photographing imaging principle, uses; Be one and comprise that at least handle box can be releasably attached in the main body of electrophotograph imaging device as the developer roll of developing apparatus and the handle box of electronic photographic sensitive drum (hereinafter to be referred as photosensitive drums).
Usually, the structure of handle box is divided into integral type and split type two kinds: the handle box of integral type, and drum assembly and developing device can not be split; Split type handle box, drum assembly and developing device removably are assembled together, and can change respectively.
Developing device comprises the powder storehouse that is used to hold carbon dust; Puddle support is installed in the powder storehouse, is also comprised developing chamber, be provided with connected entrance between developing chamber and the powder storehouse; Developer roll, powder delivery cutter etc. are installed in the developing chamber; The rotation puddle support makes carbon dust get into developing chamber by the powder storehouse, and carbon dust is fallen on the developer roll, carbon dust amount on the powder delivery cutter control developer roll.The drum assembly comprises waste powder hopper, and the waste powder hopper porch is equipped with photosensitive drums, charging roller, and photosensitive drums is near perhaps contacting developer roll, and developer roll is sent to photosensitive drums with carbon dust.
A typical electrophotograph imaging device is a laser printer; In the imaging device of laser printer; Generally include the handle box as consumable part, handle box is laid in carbon dust on the electrostatic latent image of photosensitive drums and develops, and the carbon dust that is consumed that develops is provided by the powder storehouse in the handle box.In the laser printer print procedure, through the stirring of puddle support, the carbon dust in the powder storehouse gets into developing chamber from meal outlet; And be adsorbed on the developer roll surface equably, simultaneously, photosensitive drum surface is recharged the roller uniform charging; The laser scanner of laser printer is to the laser that contains image information of photosensitive drums emission through ovennodulation; Form and the electrostatic latent image of treating that image is corresponding at photosensitive drum surface, then, relatively rotating in the process of developer roll and photosensitive drums; Carbon dust on the developer roll is passed to photosensitive drum surface, and finally on media such as paper, makes electrostatic latent image convert visual image to.
Usually, before handle box was installed on the electrophotograph imaging device, encapsulation process was adopted in the powder storehouse of handle box, with carbon dust in the transportation that prevents handle box from the powder storehouse meal outlet reveals away, pollute the interior attrition component of developing chamber.The hermetically-sealed construction in existing powder storehouse is welding one diaphragm seal on the meal outlet of powder storehouse; One end of diaphragm seal stretches out and is exposed to the handle box outside from the aperture on the handle box sidewall; Drag with hand that this end can meal outlet removes from the powder storehouse with diaphragm seal, remove can handle box be installed on the electrophotograph imaging device behind the diaphragm seal and use.
But this diaphragm seal can only use once, and after removing diaphragm seal, the powder storehouse promptly is communicated with developing chamber, and carbon dust can get into developing chamber at any time.When electrophotograph imaging device was in off working state, the vibration of the handle box that fortuitous event causes possibly make that all carbon dust splashes, and polluted the attrition component in the developing chamber.And when electrophotograph imaging device was worked, the carbon dust in the powder storehouse was easier to disperse everywhere.Like this, both pollute the attrition component in the handle box easily, influenced the serviceable life of attrition component, also wasted carbon dust.
Summary of the invention
Fundamental purpose of the present invention provides the developing device that a kind of effective control carbon dust gets into developing chamber inadequately;
Another object of the present invention provides the handle box that a kind of effective control carbon dust gets into developing chamber inadequately.
For realizing above-mentioned fundamental purpose, developing device provided by the invention comprises the powder storehouse, and puddle support is set in it; Developing chamber is installed developer roll in it, between developing chamber and the powder storehouse connected entrance is arranged; Be used to open and close the shifting board of connected entrance, shifting board along stirring framing shaft to both ends place respectively in the chute that is provided with on the two side, powder storehouse; Nonrigid connector, the one of which end is installed on the shifting board, and the other end is installed on the powder bulkhead, and the restoring force of nonrigid connector makes shifting board slide into the position of closing connected entrance along chute; First projection, it is positioned at shifting board on the side of puddle support; Second projection, it is positioned on the puddle support, and when puddle support rotated near shifting board, second projection and first projection compressed, and overcome the restoring force of nonrigid connector, made shifting board slide into the position of opening connected entrance along chute.
Visible by such scheme, the rotation of the member cooperation puddle support that is combined by shifting board and nonrigid connector has realized that carbon dust controllably gets into developing chamber in the powder storehouse.Wherein, Nonrigid connector restraint baffle plate is arbitrarily opened connected entrance under no external force situation; Have only in the puddle support rotary course second projection to contact and first projection had the thrust that makes progress jack-up with first projection; Thrust overcomes the elastic restoring force of nonrigid connector, just make shifting board open connected entrance, thereby carbon dust just can get into developing chamber in the powder storehouse.So, along with the rotation of puddle support, shifting board is periodically opened, and carbon dust is by the developing chamber that pushes at intermittence in the powder storehouse; If puddle support does not rotate, then carbon dust is sealed in the powder storehouse, avoids revealing.
The bottom that concrete scheme is a shifting board is provided with the end limit that is made by flexible material.During use, when contacting with powder storehouse diapire, flexible material end limit can play sealing effectiveness preferably.
Another concrete scheme is that nonrigid connector is two rubber strips that are installed between shifting board both ends and the bottom, powder storehouse.Utilize the elastic deformation characteristic of rubber strip, the restraint baffle plate is opened connected entrance inadequately.
Another concrete scheme is that nonrigid connector is two springs that are installed between shifting board both ends and the bottom, powder storehouse.Utilize the better elastic deformation characteristic of spring, the restraint baffle plate is opened connected entrance inadequately.
Scheme is that first projection has two more specifically, and the two ends near shifting board are provided with respectively; Second projection has two, corresponding setting with first projection.In the puddle support rotary course, second projection on the puddle support and the power that compresses between first projection on the shifting board make shifting board by jack-up, thereby the stirring vane of installing on the puddle support can push developing chamber with carbon dust.This programme adopts the fit structure of two pairs of projections to open shifting board, uses reliable.
For realizing another object of the present invention, handle box provided by the invention comprises bulging assembly, and the drum assembly comprises photosensitive drums: developing device, developing device comprise the powder storehouse, and puddle support is set in it; Developing chamber is installed developer roll in it, between developing chamber and the powder storehouse connected entrance is arranged, and developer roll can be sent to photosensitive drums with carbon dust; Be used to open and close the shifting board of connected entrance, shifting board along stirring framing shaft to both ends place respectively in the chute that is provided with on the two side, powder storehouse; Nonrigid connector, the one of which end is installed on the shifting board, and the other end is installed on the powder bulkhead, and the restoring force of nonrigid connector makes shifting board slide into the position of closing connected entrance along chute; First projection, it is positioned at shifting board on the side of puddle support; Second projection, it is positioned on the puddle support, and when puddle support rotated near shifting board, second projection and first projection compressed, and overcome the restoring force of nonrigid connector, made shifting board slide into the position of opening connected entrance along chute.
The bottom that concrete scheme is a shifting board is provided with the end limit that is made by flexible material.
Another concrete scheme is that nonrigid connector is two rubber strips that are installed between shifting board both ends and the bottom, powder storehouse.
Another concrete scheme is that nonrigid connector is two springs that are installed between shifting board both ends and the bottom, powder storehouse.
Scheme is that first projection has two more specifically, and the two ends near shifting board are provided with respectively; Second projection has two, corresponding setting with first projection.
Description of drawings
Fig. 1 is the plane structure chart of developing device embodiment of the present invention;
Fig. 2 be among Fig. 1 A-A cut open be rotated counterclockwise 90 the degree after view;
Fig. 3 is the structural drawing that opens the developing device loam cake;
Fig. 4 is a B partial enlarged view among Fig. 3;
Fig. 5 is the exploded view of handle box embodiment of the present invention.
Below in conjunction with accompanying drawing and each embodiment the present invention is described further.
Embodiment
Developing device embodiment
Referring to Fig. 1, Fig. 1 is the structural drawing of developing device.
Developing device has a housing, and housing is surrounded by two end caps, loam cake 1, diapire and sidewall.The powder storehouse that holds carbon dust is arranged in the housing, and the developing chamber that is communicated with the powder storehouse is provided for carbon dust is sent to the developer roll 5 of photosensitive drums in the developing chamber.
Referring to Fig. 2, Fig. 2 is the A-A cut-open view of Fig. 1, and has been rotated counterclockwise 90 degree.
Puddle support 2 is set in the powder storehouse, and puddle support 2 is formed by axostylus axostyle 22 with along the flat board 23 that axostylus axostyle radially extends, and the both ends of axostylus axostyle 22 are supported in the axis hole set on two sidewalls, and dull and stereotyped 23 are provided with two projections 21.The stirring vane 3 of a strip is fixedly mounted on the flat board 23 of puddle support, and stirring vane 3 is passed on the top of projection 21.The free end elasticity of stirring vane 3 is pressed on the inwall of powder storehouse, and during puddle support 2 rotations, stirring vane 3 is along with rotating and promote the carbon dust motion in the powder storehouse.
Be provided with powder feeding roller 4, developer roll 5 and powder delivery cutter 6 etc. in the developing chamber.Elasticity compresses between powder feeding roller 4 and the developer roll 5, and the carbon dust that adheres on the powder feeding roller 4 is transferred into developer roll 5.Powder delivery cutter 6 is used to control the carried charge and the carbon dust thickness of carbon dust on the developer roll 5.
Between developing chamber and the powder storehouse connected entrance is arranged, i.e. zone shown in the C.Be positioned at connected entrance and near the side in powder storehouse one shifting board 7 be set, shifting board 7 places respectively in the chute 8 that is provided with on the sidewall of powder storehouse along axostylus axostyle 22 axial both ends, and shifting board 7 is used to open and close connected entrance.
The base that shifting board 7 is used for contacting with powder storehouse diapire is covered with silica gel end limit 70, and contact the time has sealing well between silica gel end limit 70 and the powder storehouse diapire, can prevent that carbon dust from revealing to developing chamber from the powder storehouse.
Shifting board 7 is provided with a hook 71 respectively near both ends; Sidewall is provided with a hook 10 respectively corresponding to said shifting board both ends in the powder storehouse; Two springs 9 are installed in respectively between the hook 71 and the hook 10 on the sidewall of powder storehouse of shifting board, and the restoring force through two springs 9 makes shifting board 7 be in the position of closing connected entrance.
Shifting board 7 is provided with two projections 72 towards the side of puddle support 2; Two projections 72 respectively with puddle support 2 on two projections 21 being provided with corresponding one by one on the position, when projection 21 rotates to projection 72 with puddle support 2, the projection 21 jack-up projection 72 that makes progress; Spring 9 is stretched; Shifting board 7 moves up along chute 8, opens connected entrance, and stirring vane 3 promotes carbon dust and gets into developing chamber from connected entrance.
Referring to Fig. 3, Fig. 3 is the three-dimensional structure diagram that opens behind the loam cake 1 of developing device.
The axostylus axostyle 22 of puddle support 2 extends along the shell length direction.Two projections 72 on the shifting board 7 are provided with near the shifting board two ends respectively, and it is corresponding that two projections 21 on the puddle support 2 and two projections 72 are distinguished, and the projection 21 lucky jack-up projection 72 that makes progress.Stirring vane 3 is anchored on dull and stereotyped 23 through screw.Be equipped with the corresponding through hole in position on the stirring vane 3 and dull and stereotyped 23.
Referring to Fig. 4, Fig. 4 is a B partial enlarged view among Fig. 3.
Hook 71 is provided with near the tops of shifting board 7, and hook 10 is provided with near bottom, powder storehouse, and the spring 9 that hook 71 and linking up with connects between 10 is near powder storehouse inwall, and spring 9 is stretched.
Present embodiment is provided with the shifting board that can open or close connected entrance along with the rotation of puddle support through the connected entrance place at powder storehouse and developing chamber; Realized that effective control carbon dust gets into the purpose of developing chamber inadequately, avoided carbon dust under off working state, to get into developing chamber and polluted the attrition component in it.
Handle box embodiment
Referring to Fig. 5, Fig. 5 is the bulging assembly of handle box and the broken away view of developing device.
The developing device of present embodiment adopts above-mentioned developing device embodiment, no longer repeats here, can be referring to detailed description and the relevant drawings of developing device embodiment.
The bulging assembly of handle box comprises waste powder hopper 11, is installed in the photosensitive drums 12 of waste powder hopper 11 porch; Also have charging roller and cleaning doctor etc.; The drum assembly is provided with the installation frame 13 that is used to install developing device; Developing device is installed in the installation frame 13, and developer roll 5 promptly contacts with photosensitive drums 12, and developer roll 5 can be sent to photosensitive drums 12 with carbon dust.
When handle box uses, have only when puddle support receives rotary driving force, when promptly handle box was started working, shifting board just can be off and on by jack-up, thus connected entrance open off and on, stirring vane pushes to developing chamber with carbon dust simultaneously.Present embodiment is controlled carbon dust effectively and is got into developing chamber in working order the time, prevents that the off working state carbon dust from getting into developing chamber and causing the pollution of attrition component in the developing chamber and the waste of carbon dust.
Certainly, the foregoing description only is concrete embodiments more of the present invention, during practical application more variation can also be arranged, and for example, the end limit of shifting board bottom is a cavernous body; Perhaps, the number of shifting board and puddle support upper protruding block is one or more; Or spring changes rubber strip etc. into, and other has nonrigid connector of certain elastic restoring force etc., and these changes can realize the object of the invention equally.
It is emphasized that at last; The invention is not restricted to the split type handle box in the above-mentioned embodiment; Also can in the handle box of integral type, shifting board be set; Realize that controlling carbon dust effectively gets in the developing chamber inadequately, these variations also should be included in the protection domain of claim of the present invention.
Claims (10)
1. developing device comprises
The powder storehouse is provided with puddle support in it;
Developing chamber is installed developer roll in it, between said developing chamber and the said powder storehouse connected entrance is arranged;
It is characterized in that:
Shifting board is used to open and close said connected entrance, said shifting board along said stirring framing shaft to both ends place respectively in the chute that is provided with on the two side, said powder storehouse;
Nonrigid connector, one of which end are installed on the said shifting board, and the other end is installed on the said powder bulkhead, and the restoring force of said nonrigid connector makes said shifting board slide into the position of closing said connected entrance along said chute;
First projection, it is positioned at said shifting board on the side of said puddle support;
Second projection; It is positioned on the said puddle support; When said puddle support rotates near said shifting board; Said second projection and said first projection compress, and overcome the restoring force of said nonrigid connector, make said shifting board slide into the position of opening said connected entrance along said chute.
2. developing device according to claim 1 is characterized in that:
The bottom of said shifting board is provided with the end limit that is made by flexible material.
3. developing device according to claim 1 is characterized in that:
Said nonrigid connector is two rubber strips that are installed between said shifting board both ends and the bottom, said powder storehouse.
4. developing device according to claim 1 is characterized in that:
Said nonrigid connector is two springs that are installed between said shifting board both ends and the bottom, said powder storehouse.
5. according to each described developing device of claim 1 to 4, it is characterized in that:
Said first projection has two, and the two ends near said shifting board are provided with respectively;
Said second projection has two, with the corresponding setting of said first projection.
6. handle box comprises
The drum assembly, said bulging assembly comprises photosensitive drums:
Developing device, said developing device comprises
The powder storehouse is provided with puddle support in it;
Developing chamber is installed developer roll in it, between said developing chamber and the said powder storehouse connected entrance is arranged, and said developer roll can be sent to said photosensitive drums with carbon dust;
It is characterized in that:
Shifting board is used to open and close said connected entrance, said shifting board along said stirring framing shaft to both ends place respectively in the chute that is provided with on the two side, said powder storehouse;
Nonrigid connector, one of which end are installed on the said shifting board, and the other end is installed on the said powder bulkhead, and the restoring force of said nonrigid connector makes said shifting board slide into the position of closing said connected entrance along said chute;
First projection, it is positioned at said shifting board on the side of said puddle support;
Second projection; It is positioned on the said puddle support; When said puddle support rotates near said shifting board; Said second projection and said first projection compress, and overcome the restoring force of said nonrigid connector, make said shifting board slide into the position of opening said connected entrance along said chute.
7. handle box according to claim 6 is characterized in that:
The bottom of said shifting board is provided with the end limit that is made by flexible material.
8. handle box according to claim 6 is characterized in that:
Said nonrigid connector is two rubber strips that are installed between said shifting board both ends and the bottom, said powder storehouse.
9. handle box according to claim 6 is characterized in that:
Said nonrigid connector is two springs that are installed between said shifting board both ends and the bottom, said powder storehouse.
10. according to each described handle box of claim 6 to 9, it is characterized in that:
Said first projection has two, and the two ends near said shifting board are provided with respectively;
Said second projection has two, with the corresponding setting of said first projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100678082A CN102591178A (en) | 2012-03-14 | 2012-03-14 | Developing component and processing cartridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100678082A CN102591178A (en) | 2012-03-14 | 2012-03-14 | Developing component and processing cartridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102591178A true CN102591178A (en) | 2012-07-18 |
Family
ID=46480024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100678082A Pending CN102591178A (en) | 2012-03-14 | 2012-03-14 | Developing component and processing cartridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102591178A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107991852A (en) * | 2017-11-22 | 2018-05-04 | 珠海市汇威打印机耗材有限公司 | Handle box |
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| CN200993728Y (en) * | 2006-12-31 | 2007-12-19 | 珠海天威技术开发有限公司 | Carbon powder cartridge for laser printer |
| CN101356480A (en) * | 2006-07-04 | 2009-01-28 | 精工爱普生株式会社 | Developer cartridge, image forming device, and shutter device |
| CN101750939A (en) * | 2008-11-27 | 2010-06-23 | 株式会社理光 | Powder supplying device and image forming apparatus |
| CN101825856A (en) * | 2008-12-26 | 2010-09-08 | 京瓷美达株式会社 | Toner supplying device and image forming apparatus |
| CN201917780U (en) * | 2010-12-30 | 2011-08-03 | 珠海赛纳打印科技股份有限公司 | Powder cartridge |
| US20120039632A1 (en) * | 2008-11-27 | 2012-02-16 | Brother Kogyo Kabushiki Kaisha | Developing Apparatus and Developer Cartridge |
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2012
- 2012-03-14 CN CN2012100678082A patent/CN102591178A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1892491A (en) * | 2005-06-29 | 2007-01-10 | 三星电子株式会社 | Developer filling apparatus and developer filling system having the same |
| CN101356480A (en) * | 2006-07-04 | 2009-01-28 | 精工爱普生株式会社 | Developer cartridge, image forming device, and shutter device |
| CN200993728Y (en) * | 2006-12-31 | 2007-12-19 | 珠海天威技术开发有限公司 | Carbon powder cartridge for laser printer |
| CN101750939A (en) * | 2008-11-27 | 2010-06-23 | 株式会社理光 | Powder supplying device and image forming apparatus |
| US20120039632A1 (en) * | 2008-11-27 | 2012-02-16 | Brother Kogyo Kabushiki Kaisha | Developing Apparatus and Developer Cartridge |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107991852A (en) * | 2017-11-22 | 2018-05-04 | 珠海市汇威打印机耗材有限公司 | Handle box |
| CN107991852B (en) * | 2017-11-22 | 2024-06-04 | 珠海市汇威精密制造有限公司 | Process cartridge |
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Application publication date: 20120718 |