CN103309209A - Developing box for laser printing machine - Google Patents
Developing box for laser printing machine Download PDFInfo
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- CN103309209A CN103309209A CN2013102613509A CN201310261350A CN103309209A CN 103309209 A CN103309209 A CN 103309209A CN 2013102613509 A CN2013102613509 A CN 2013102613509A CN 201310261350 A CN201310261350 A CN 201310261350A CN 103309209 A CN103309209 A CN 103309209A
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Abstract
The invention discloses a developing box for a laser printing machine. The developing box comprises a frame body, wherein a developing roller and a carbon powder stirring frame are respectively supported into the frame body; the developing roller and one shaft end of the carbon powder stirring frame are respectively supported to the supporting wall of the frame body; a connection gear is supported to the supporting wall; a circular hole is formed in one side, which is back on to the supporting wall, of the connection gear; a meshing block is arranged on the cylindrical wall in the circular hole; a front end wall and a rear end wall are respectively arranged on the meshing block in the circumferential direction of the circular hole; the rear end is sunken into the meshing block towards one side of the bottom wall of the circular hole along the circumferential direction of the circular hole; the front end wall is protruded out of the meshing block towards one side of the bottom wall of the circular hole along the circumferential direction of the circular hole. The developing box can achieve stable rotating driving force to keep the developing roller in a normal rotating working state.
Description
Technical field
The present invention relates to the electrophotographic image forming technical field, especially for the Delevoping cartridge of laser printer.
Background technology
Being that the imaging process of the laser printer of basic comprising core is with handle box 100, seeing Fig. 1, is charged equably by charging roller 102 in photosensitive drums 101 surfaces.Laser scanner 103 contains image information and through the laser beam 104 of ovennodulation to photosensitive drums 101 external cylindrical surfaces emissions, cylindrical surface in photosensitive drums 101 after laser beam 104 irradiations forms the static charge distribution plan that its distribution has difference, that is the electrostatic latent image corresponding with image to be copied.Afterwards, the developer of carbon dust 106 that autography roller 105 transmits and so on is under the state of regulating bed thickness through powder delivery cutter 113 then be adsorbed on the cylindrical surface of photosensitive drums 101, after aforementioned electrostatic latent image covering, it is converted to can macroscopic visual image.Along with the rotation of photosensitive drums 101, the visual image that is formed at photosensitive drum surface by carbon dust 106 replaces to the position at transfer roll 107 places.Effect through the entrained transfer voltage of transfer roll 107, the carbon dust of visual image form is transferred on the surface of recording mediums 108 such as paper, after heating pressurization with the carbon dust by the visual image form on warm-up mill 111 and 112 pairs of recording mediums 108 of backer roll, carbon dust is penetrated in the fibrage of recording medium 108, and the visual image that carbon dust is formed for good and all solidifies on recording medium 108.Visual image on the aforementioned photosensitive drums 101 is after being transferred roller 107 transfer printings, residual carbon dust 109 attached to it is struck off to useless powder collecting bin by useless powder scraping blade 110, and photosensitive drums 101 surfaces return to after the corresponding electric equipment that disappears is eliminated static does not have the dustless stand-by state of electricity.So just finished a basic imaging workflow.This flow process is the result of cycle operation repeatedly, just can obtain the needed image of printing person.
For above-mentioned handle box 100, different manufacturers can be according to function, serviceable life and the construction features etc. of handle box 100 each component parts, go out the different product of integrated level in conjunction with oneself research and development pattern making.For example, the developer roll 105 of bearing developing function, the parts such as powder storehouse bearing the powder delivery cutter 113 of regulating carbon dust bed thickness function and bear developer storage, supplying functional are integrated into independently Delevoping cartridge.Such Delevoping cartridge has storage powdery type developer and developer is transported to photosensitive drums 101 surfaces, the effect that electrostatic latent image is developed.101 of photosensitive drums are pre-configured to be disposed in the laser printer combine the electrophotographic image forming unit separately in laser printer or with other parts after again.
Chinese patent literature CN201010623066.8 discloses a kind of developing apparatus.This developing apparatus comprises: rotatable developer carrier is constructed to carry developer; Outer cover comprises first resinous framework and second resinous framework, and first resinous framework comprises the pair of sidewalls along two ends of its axial rotary direction that supports developer carrier, and second resinous framework is connected to first resinous framework; With the receiver side coupling components, be located in the sidewall in rotatable mode and be constructed to and connected with the driving side coupling components with to the developer carrier transmission of drive force along the axial rotary direction.When observing from the axial rotary direction, receiver side coupling components and the connecting portion between first framework and second framework are overlapping.This developing apparatus has by first framework being connected the outer cover of constructing with second framework and can suppressing because the distortion of the outer cover that causes to the developer carrier transmission of drive force.This Delevoping cartridge, its connection part that connects gear with the output shaft of laser printer connect gear axially on mutually back, mobile one section zone realize interconnecting, to obtain the rotary driving force that laser printer produces, impel member such as developer roll to form rotation.Under this make, the output shaft of laser printer has still kept along the potential possibility of attachment tooth wheel axially reciprocating.This will cause in print procedure, output shaft can be along the attachment tooth wheel shaft to retracting in the laser printer, causes connecting between gear and the laser printer output shaft occurring getting loose, and loses engagement, so that the driving force that developer roll obtains is not enough or can not obtain driving force, influences product quality.
Summary of the invention
At occurring easily getting loose between above-mentioned connection gear and the laser printer output shaft so that developer roll is difficult to obtain the problem of rotary driving force, the object of the invention is to provide a kind of laser printer Delevoping cartridge.This Delevoping cartridge can obtain the stable rotation driving force and be in normal rotary work state to keep developer roll.
For reaching to above-mentioned goal of the invention, the present invention has developed a kind of laser printer Delevoping cartridge.It comprises the framework that forms Delevoping cartridge and provide a supporting role.Developer roll, carbon dust puddle support are supported on respectively in the framework of Delevoping cartridge in its mode that axially is parallel to each other.The axle head that developer roll and carbon dust puddle support are used for accepting moment of torsion respectively the bearing rotatably support by separately in the supporting walls of Delevoping cartridge framework.Connect gear with the mode rotatably support that axially is parallel to each other with developer roll on the framework supporting walls.Connect gear and axially have the circular hole that its xsect is rounded and edge connection gear shaft concaves back to a side of framework supporting walls along self.The inner cylindrical wall of circular hole is provided with the gear block that protrudes out towards the axis direction of circular hole.Gear block has front bulkhead and aft bulkhead respectively on the circumferencial direction of circular hole.The internal recess of aft bulkhead is positioned at self diapire on axially towards circular hole a side along the circumferencial direction of circular hole towards gear block.The circumferencial direction of front bulkhead towards a side of circular hole diapire along circular hole is towards the outside projection of gear block.
Aforementioned laser printer Delevoping cartridge, its front bulkhead and aft bulkhead an ancient unit of weight extend to the circular hole diapire from circular hole along self axial external port.
Aforementioned laser printer Delevoping cartridge, end wall keeps the inclination intersection on the circular hole axial cross section and the crossing back of circular hole inner cylindrical wall with the circular hole inner cylindrical wall between the tangent line of gained intersection point thereafter.The diametric(al) of aft bulkhead towards a side of circular hole diapire along circular hole is towards the internal recess of gear block.
Aforementioned laser printer Delevoping cartridge on the axial cross section of its circular hole, forms outside intersecting lens after front bulkhead and the circular hole external port place Plane intersects, front bulkhead and circular hole diapire intersect the back and form inboard intersecting lens.Outside intersecting lens and inboard intersecting lens intersect at the position that circular hole departs from the center of circle on same xsect.The diametric(al) of front bulkhead towards a side of circular hole diapire along circular hole is towards the outside projection of gear block.
Aforementioned laser printer Delevoping cartridge, end wall is provided with towards the recess of gear block internal recess thereafter.
Be difficult to obtain the problem of rotary driving force at the developer roll consequently of occurring easily getting loose between the connection gear of existing Delevoping cartridge and the laser printer output shaft, improved connection gear has been provided in the laser printer Delevoping cartridge that provides in the present invention.In the circular hole that connects gear, set gear block.Gear block has front bulkhead and aft bulkhead respectively on the circumferencial direction of circular hole.Aft bulkhead is configured to circumferencial direction along circular hole towards the gear block internal recess towards a side of circular hole diapire.Front bulkhead is configured to circumferencial direction along circular hole towards the outside projection of gear block towards a side of circular hole diapire.Under this structural regime, when the output shaft of laser printer meshes with the connection gear, engaging tooth on the output shaft can be at the nip recessed position of aft bulkhead of precession direction, and the precession direction of output shaft under in working order is single direction, and namely output shaft retrograde rotation can not take place.Therefore the laser printer output shaft will be kept owing to the interlocking pattern between the drive side of tooth aft bulkhead with connecting the engagement of gear when actual motion, thereby laser printer Delevoping cartridge of the present invention can avoid existing Delevoping cartridge to connect the problem that the developer roll consequently of occurring getting loose between gear and the laser printer output shaft is difficult to obtain rotary driving force because of it.
Description of drawings
Fig. 1 has laser printer structural principle synoptic diagram now.
Fig. 2 laser printer Delevoping cartridge of the present invention skeleton view.
Fig. 3 laser printer Delevoping cartridge of the present invention is removed the skeleton view behind the end cap.
The connection gear skeleton view of Fig. 4 laser printer Delevoping cartridge of the present invention.
The connection gear biopsy cavity marker devices skeleton view one of Fig. 5 a laser printer Delevoping cartridge of the present invention.
The connection gear biopsy cavity marker devices skeleton view two of Fig. 5 b laser printer Delevoping cartridge of the present invention.
The connection gear biopsy cavity marker devices skeleton view three of Fig. 5 c laser printer Delevoping cartridge of the present invention.
Embodiment
Describe laser printer Delevoping cartridge of the present invention in detail below in conjunction with accompanying drawing.
Fig. 2～5 show the skeleton view of laser printer Delevoping cartridge of the present invention and associated components thereof respectively from different perspective view and assembled state.
The main make of laser printer Delevoping cartridge of the present invention and the prior art of near field are basic identical, those skilled in the art can consult the correlation technique data of near field prior art and in conjunction with the introduction of instructions background technology part to know the essential structure situation of laser printer Delevoping cartridge of the present invention.Given this, the Reference numeral of related member will continue to continue to use the Reference numeral of instructions background technology part identical components of the present invention in the description of laser printer Delevoping cartridge embodiment of the present invention.In addition, connect the problem that the developer roll consequently of occurring easily getting loose between gear and the laser printer output shaft is difficult to obtain rotary driving force according to the present invention is directed to existing Delevoping cartridge because of it, propose the original intention of suitable solution, applicant just laser printer Delevoping cartridge of the present invention relates to its structure that guarantees that developer roll obtains to stablize rotary driving force and partly carries out the emphasis description.
Referring to Fig. 2～5, in conjunction with Fig. 1, in laser printer, Delevoping cartridge 200 is being born the task of storing carbon dust and carbon dust being transported to sensitization 101 surfaces.
The formation base of Delevoping cartridge 200 mainly is the framework 201 that is used as skeleton and provides a supporting role.Framework 201 is basic comprising frameworks of Delevoping cartridge 200.
On framework 201, be provided with to store the powder storehouse 202 of the hollow of carbon dust.Be provided with carbon dust puddle support (not shown) in 202 inside, powder storehouse, its task is to stir carbon dust, make carbon dust be in fluffy state and then flow into powder storehouse 202 in the framework 201 inner meal outlet (not shown)s that arrange, be filled in the transition chamber (not shown) of the hollow that is arranged at framework 201 inside by meal outlet again.Developer roll 105 is disposed in a side of transition chamber, and it had both born the task of carbon dust being transported to sensitization 101 surfaces, is bearing sealing task to transition chamber as a locular wall of transition chamber again.In transition chamber, be provided with carbon dust is transported to from meal outlet and transport the roller (not shown) near the developer roll 105.The carbon dust puddle support, transport roller, developer roll 105 threes and all be in force-applied back and produce the state of rotation, they axially keep the relation that is parallel to each other in framework 201.The carbon dust puddle support, transport roller, developer roll 105 separately an axial end all reach outside the supporting walls 203 of framework 201.At the carbon dust puddle support, transport roller, developer roll 105 stretches out the axle head outside the supporting walls 203, is respectively arranged with stirring wheel 206, first gear 204, second gear 205.Stirring wheel 206, first gear 204, second gear 205 bearing by separately respectively are supported on the supporting walls 203, to accept the moment of torsion that other mechanisms are transmitted.Stirring wheel 206, first gear 204, second gear 205 all by end cap 207 sealing covers on supporting walls 203.
Connect gear 208 rotatably supports on supporting walls 203.The axial axial maintenance with developer roll 105 that connects gear 208 is parallel to each other.Connect gear 208 and keep engagement respectively with first gear 204 and second gear 205, and and keep engagement by mesomerism gear 209 between the stirring wheel 206, and then the rotary driving force of accepting is passed to stirring wheel 206, first gear 204, second gear 205 respectively.
Connect gear 208 along self axially back to a side of supporting walls 203, it is rounded and along the circular hole 210 of the axial indent that connects gear 208 to be provided with its xsect.On the inner cylindrical wall of circular hole 210, be provided with the gear block 211 that protrudes out towards the axis direction of circular hole 210.The quantity of gear block 211 is two, and they are symmetrical distribution with respect to the axle center of circular hole 210.
On the circumferencial direction of circular hole 210, gear block 211 has front bulkhead 212 and aft bulkhead 213 respectively.Aft bulkhead 213 is positioned at the internal recess of the adjacent side of self diapire 214 on axially along the circumferencial direction of circular hole 210 towards gear block 211 with circular hole 210, makes aft bulkhead 213 form the suspended wall of reversal of the natural order of things with respect to diapire 214.Front bulkhead 212 stretches out towards the outside of gear block 211 with the circumferencial direction of the adjacent side of diapire 214 along circular hole 210, makes front bulkhead 212 form common slope form with respect to diapire 214.Front bulkhead 212 and aft bulkhead 213 all extend to diapire 214 from circular hole 210 along self axial external port.
Aft bulkhead 213 is plane configuration.On the xsect axial perpendicular to circular hole 210, aft bulkhead 213 intersects with the inner cylindrical wall of circular hole 210, and keeps the state that tilts to intersect between the intersection point place is with the tangent line of circular hole 210 inner cylindrical walls.Under the state that keeps intersect between aft bulkhead 213 is with circular hole 210 aforementioned tangent lines, aft bulkhead 213 is with the internal recess of the adjacent side of diapire 214 along the diametric(al) of circular hole 210 towards gear block 211.On the surface of aft bulkhead 213, be provided with towards the recess 217 of the internal recess of gear block 211.
On the xsect axial perpendicular to circular hole 210, front bulkhead 212 and circular hole 210 form outside intersecting lens 215 along the Plane intersects at self axial external port place.On the xsect axial perpendicular to circular hole 210, front bulkhead 212 intersects with diapire 214, forms inboard intersecting lens 216.Along axially looking of circular hole 210, outside intersecting lens 215 and inboard intersecting lens 216 are intersecting at the position that circular hole 210 departs from the center of circle perpendicular to circular hole 210 axial xsects.Front bulkhead 212 stretches out towards the outside of gear block 211 along the diametric(al) of circular hole 210 with diapire 214 adjacent sides.
Be loaded at Delevoping cartridge 200 under the state of laser printer (not shown), engaging tooth on the laser printer torque output shaft can be at the single precession direction shown in Fig. 4 arrow x nip recessed position and the recess 217 of aft bulkhead 213, and then along 208 rotations of the promotion of precession direction shown in arrow x connection gear, then rotary driving force is passed to stirring wheel 206 respectively, first gear 204, second gear 205 orders about respectively and stirring wheel 206, first gear 204, the carbon dust puddle support that second gear 205 connects, transport roller, developer roll 105 enters the rotary work state.When removal Delevoping cartridge 200 from laser printer, engaging tooth on the laser printer torque output shaft can withdraw from by rotating on the recessed position of aft bulkhead 213 and recess 217 and the front bulkhead 212 along the opposite direction of precession direction shown in the arrow x, the laser printer torque output shaft is disengaged with connecting gear 208, finish the dismounting of Delevoping cartridge 200.
Claims (5)
1. laser printer Delevoping cartridge, comprise the framework that forms described Delevoping cartridge and provide a supporting role, developer roll, the carbon dust puddle support is supported on respectively in the described framework in its mode that axially is parallel to each other, the axle head that described developer roll and described carbon dust puddle support are used for accepting moment of torsion respectively the bearing rotatably support by separately in the supporting walls of described framework, connect gear with the mode rotatably support that axially is parallel to each other with described developer roll on described supporting walls, described connection gear axially has its xsect circular hole rounded and that concave along described connection gear shaft back to a side of described supporting walls along self, the inner cylindrical wall of described circular hole is provided with the gear block that protrudes out towards the axis direction of described circular hole, it is characterized in that, described gear block has front bulkhead and aft bulkhead respectively on the circumferencial direction of described circular hole, the internal recess of described aft bulkhead is positioned at self diapire on axially towards described circular hole a side along the circumferencial direction of described circular hole towards described gear block, the circumferencial direction of described front bulkhead towards a side of described circular hole diapire along described circular hole is towards the outside projection of described gear block.
2. according to the described laser printer Delevoping cartridge of claim 1, it is characterized in that described front bulkhead and described aft bulkhead an ancient unit of weight extend to described circular hole diapire from described circular hole along self axial external port.
3. according to claim 1 or 2 described laser printer Delevoping cartridges, it is characterized in that, described aft bulkhead on described circular hole axial cross section and described circular hole inner cylindrical wall intersect the back and between the tangent line of gained intersection point, keep the inclination intersection with described circular hole inner cylindrical wall, the diametric(al) of described aft bulkhead towards a side of described circular hole diapire along described circular hole is towards the internal recess of described gear block.
4. according to the described laser printer Delevoping cartridge of claim 3, it is characterized in that, the outside intersecting lens that forms after described the above front bulkhead of circular hole axial cross section and described circular hole external port place Plane intersects intersects the inboard intersecting lens that the back forms with described front bulkhead and described circular hole diapire and intersects at the position that described circular hole departs from the center of circle, and the diametric(al) of described front bulkhead towards a side of described circular hole diapire along described circular hole is towards the outside projection of described gear block.
5. according to the described laser printer Delevoping cartridge of claim 4, it is characterized in that described aft bulkhead is provided with towards the recess of the internal recess of described gear block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310261350.9A CN103309209B (en) | 2013-06-26 | 2013-06-26 | Developing box for laser printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310261350.9A CN103309209B (en) | 2013-06-26 | 2013-06-26 | Developing box for laser printer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103309209A true CN103309209A (en) | 2013-09-18 |
| CN103309209B CN103309209B (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310261350.9A Active CN103309209B (en) | 2013-06-26 | 2013-06-26 | Developing box for laser printer |
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| Country | Link |
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| CN (1) | CN103309209B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106483802A (en) * | 2016-12-29 | 2017-03-08 | 珠海天威飞马打印耗材有限公司 | Drive transfer part, driving force transfer unit, Delevoping cartridge and printer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1428669A (en) * | 1995-03-27 | 2003-07-09 | 佳能株式会社 | Processing cartridge, electronic photographic imaging device driving power transmission parts and electronic photographic sensitive drum |
| CN200983078Y (en) * | 2006-12-13 | 2007-11-28 | 珠海天威技术开发有限公司 | Film development device for laser printer |
| CN203299521U (en) * | 2013-06-26 | 2013-11-20 | 珠海天威飞马打印耗材有限公司 | Development box for laser printer |
-
2013
- 2013-06-26 CN CN201310261350.9A patent/CN103309209B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1428669A (en) * | 1995-03-27 | 2003-07-09 | 佳能株式会社 | Processing cartridge, electronic photographic imaging device driving power transmission parts and electronic photographic sensitive drum |
| CN200983078Y (en) * | 2006-12-13 | 2007-11-28 | 珠海天威技术开发有限公司 | Film development device for laser printer |
| CN203299521U (en) * | 2013-06-26 | 2013-11-20 | 珠海天威飞马打印耗材有限公司 | Development box for laser printer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106483802A (en) * | 2016-12-29 | 2017-03-08 | 珠海天威飞马打印耗材有限公司 | Drive transfer part, driving force transfer unit, Delevoping cartridge and printer |
| CN106483802B (en) * | 2016-12-29 | 2023-11-21 | 珠海天威飞马打印耗材有限公司 | Driving force transmission member, driving force transmission assembly, developing cartridge and printer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103309209B (en) | 2015-12-09 |
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