CN201145829Y - Processing box for laser printer - Google Patents
Processing box for laser printer Download PDFInfo
- Publication number
- CN201145829Y CN201145829Y CNU2008200434602U CN200820043460U CN201145829Y CN 201145829 Y CN201145829 Y CN 201145829Y CN U2008200434602 U CNU2008200434602 U CN U2008200434602U CN 200820043460 U CN200820043460 U CN 200820043460U CN 201145829 Y CN201145829 Y CN 201145829Y
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- CN
- China
- Prior art keywords
- back shaft
- projection
- box body
- laser printer
- development
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Dry Development In Electrophotography (AREA)
Abstract
The utility model relates to a treatment box for a laser printer, which comprises a photographic unit and a developing unit a stirring frame of which can be supported on the two relative lateral walls of a developing box in a rotary manner by a support shaft, the outer wall of which is provided with a convex column. The transversal projection of the convex column on the support shaft is elliptic and the long shaft is parallel to the rotation direction of the support shaft. The lower part and the upper part of the convex column adjacent to the outer wall of the support shaft and corresponding to the rotation direction of the support shaft are respectively provided with a notch which is inwards sunken along the rotation direction of the support shaft. The part of an elastic blade corresponding to the convex column is provided with a butt port the width of which corresponding to the rotation direction of the support shaft is close to the co-current size of the part of the convex column corresponding to the notch. The elastic blade is nested in the notch of the convex column through the butt port. The treatment box is simple in configuration mode and easy and convenient in maintenance and replacement.
Description
Technical field
The utility model relates to the laser printer handle box, and this handle box internal configurations has photosensitive unit that comprises photosensitive drums and the developing cell that comprises developer roll.Being equiped with developer in the development box body of developing cell stirs and delivery mechanism.This Delevoping cartridge body and function is come the developer of splendid attire scheduled volume, and the developer of laying in it is delivered near the developer roll by the supply opening that is provided with on its wall.
Background technology
Electrophotographic image forming, laser printer for example, its use value shows as by containing the laser beam that predetermined information is arranged has predetermined potential with the scan mode irradiation photosensitive drums, form electrostatic latent image at photosensitive drum surface, and then the developer of this electrostatic latent image with predetermined carbon dust and so on developed, be transferred to the carbon dust image that is about to obtain on the recording medium such as paper through developing, afterwards again the image fixing of transfer printing acquisition, become the visual image that naked eyes can be observed, realize the conversion of image---signal---between the image.
Common laser printer is provided with in its casing or includes charging roller, photosensitive drums, laser scanning mechanism, developer roll, transfer roll and fixing roller etc.These component parts finally can form the different unit of integrated level according to manufacturer's purpose of design and technical thought separately.For example, consider factors such as task that each unit is born and technical life, charging roller, photosensitive drums etc. is prepared into an independently image forming process unit, also can claim photosensitive unit; Laser scanning mechanism, transfer roll and fixing roller then directly are installed in the laser printer respectively; Developer roll and powder feeding roller etc. are integrated into an independently developing apparatus, also claim developing cell or Delevoping cartridge.After photosensitive unit and developing cell are combined into a powder box that possesses image transitions ability and image developing ability simultaneously, standby in the printer of just can packing into.Perhaps, in view of holding the disposable operating characteristic of storing up carbon dust in the developing cell, and the developing apparatus concentrated area that comprises developer roll, powder feeding roller, powder-storage bin and waste powder hopper etc. is designed to a relatively independent replaceable member, make it with comprising the image forming process unit of charging roller, photosensitive drums or comprising that the laser printer of image forming process unit keeps dismountable movable connection method.Perhaps, further powder-storage bin and waste powder hopper are combined and be designed to individual member, certainly, also can be that powder-storage bin and waste powder hopper are designed to individual member respectively, make them keep dismountable movable connection method with the developing cell that comprises developer roll, powder feeding roller, for in time changing carbon dust, the durability that makes full use of parts such as developer roll, photosensitive drums facilitates.
In the course of the work, photosensitive drums charges to predetermined potential by charging roller, and response is formed corresponding to the electrostatic latent image for the treatment of print image on its cylindrical surface by the irradiation of laser scanning mechanism emitted laser bundle.
Store developer for example toner, ink powder or carbon dust within it in the container that the carbon dust tube is established, and utilize powder feeding roller and developer roll that carbon dust is sent to the corresponding region that photosensitive drums has electrostatic latent image, obtain the visual carbon dust image that naked eyes can be observed.
The carbon dust image that forms on the photosensitive drums is transferred on the paper of walking between the slit of photosensitive drums and transfer roll by transfer roll, utilizes fixing roller that the carbon dust image on the paper is given permanent photographic fixing at last.
For the combined type handle box that comprises photosensitive unit and developing cell, it mainly utilizes the powder-storage bin of establishing in it to bear the storage task of carbon dust, and by puddle support carbon dust is transported to developer roll.This combined type handle box, its puddle support that is arranged in developer reservoir is made of the blade of back shaft and elastic material.Back shaft is bonding with usually adopting between the spring leaf, fusing mode is finished between the two fixing.This connected mode is not easy to change or repair when spring leaf is damaged, and bonding or welding mode all needs to use corresponding bonding agent, bonding apparatus or fusion apparatus simultaneously, causes the production cost to raise.
The utility model content
The utility model purpose is to provide a kind of laser printer handle box.This handle box needn't use complicated bonding or welding mode to come to provide between the two fixing to being arranged at its inner back shaft and spring leaf, thereby simplifies the back shaft of puddle support and the combination of spring leaf.
Laser printer handle box according to the above-mentioned purpose design comprises photosensitive unit that wherein contains photosensitive drums and the developing cell that wherein contains developer roll.Developing cell comprises development box body and development lid.The development lid removably be fixed in the development box body uncovered on.The development box body is provided with the developer feeding mouth of developer supplying turnover.Be provided with the puddle support that constitutes by back shaft and spring leaf in the development box body.Puddle support rotatably is supported on two opposing sidewalls of development box body by back shaft.The outer wall of back shaft is provided with the projection that laterally outwardly extends along back shaft.Projection is at back shaft projection ovalize transversely, and its major axis is parallel to the back shaft sense of rotation.Projection is adjacent to the back shaft outer wall and respectively is provided with along the notch of back shaft sense of rotation indent corresponding to the position of back shaft sense of rotation upstream and downstream.Spring leaf is provided with docking port corresponding to the position of projection.The docking port of spring leaf is being equal to or slightly greater than position in the same direction the radial dimension of projection corresponding to notch corresponding to the width on the back shaft sense of rotation.The docking port of spring leaf is nested on the position of projection corresponding to notch.
Preferably, aforementioned laser printer handle box, the quantity of its projection is no less than two, and along the linear equidistantly distribution of axially being of back shaft.
Laser printer handle box of the present utility model by the notch mode is set, cooperates the elasticity that blade possessed by elastic material on the puddle support back shaft, realized the detachable movable butt joint between back shaft and the spring leaf.Under this docking mode, can realize stationary state preferably between back shaft and the spring leaf, wear out when spring leaf meets with simultaneously, when damaging, can change easily, repair, avoid causing scrapping whole puddle support because of blade damages.
The drawing explanation
Fig. 1 the utility model laser printer handle box sectional structure synoptic diagram.
Fig. 2 the utility model laser printer handle box fragmentary, perspective view has omitted development lid and other associated components of the development box body that is used to seal developing cell among the figure.
The puddle support skeleton view of Fig. 3 the utility model laser printer handle box.
The puddle support back shaft skeleton view one of Fig. 4 a the utility model laser printer handle box.
The puddle support spring leaf skeleton view of Fig. 4 b the utility model laser printer handle box
The puddle support back shaft skeleton view two of Fig. 5 a the utility model laser printer handle box.
Fig. 5 b is the partial enlarged view of Fig. 5 a.
The puddle support cut-open view of Fig. 6 the utility model laser printer handle box.
Embodiment
Describe the tectonic relationship of the utility model laser printer handle box and respective members thereof in detail below in conjunction with accompanying drawing.Consult Fig. 1～6, show the structural representation of the utility model laser printer handle box A and respective members thereof.
Referring to Fig. 1,2, the inscape of this laser printer handle box A comprises two aspects: developing cell 1 and photosensitive unit 2.Laser printer handle box A is flat rectangular parallelepiped approximately.
Developing cell 1 by developer roll 102, layer thickness regulating blade 105, powder feeding roller 103, puddle support 104 and the powder storehouse 107 that is used to hold brand-new carbon dust constitute.Powder storehouse 107 is made of the mode that development lid 106 snaps on the development box body 101.Usually take to dismantle the movable docking mode on ground between development lid 106 and the development box body 101.Developer roll 102, powder feeding roller 103, puddle support 104 rotatably are fixed on two opposite end walls 108,109 of development box body 101 by back shaft end separately.Layer thickness regulating blade 105 is fixed in development box body 101 and is developed the position that roller 102 carries out corresponding to carbon dust, and its end keeps Elastic Contact with developer roll 102 surfaces.During work, form rotatablely moving of clockwise direction α as shown in Figure 1 behind the rotary torque that puddle support 104 is accepted to be produced and transmitted via gear set 110 by the laser printer (not shown), the carbon dust that is contained in powder storehouse 107 is delivered near the powder feeding roller 103 step by step, is transported near the developer roll 102 via the rotation transmission of powder feeding roller 103 again.Near developer roll 102, the magnetic attraction that developer roll 102 self produces can be adsorbed onto body surface to the carbon dust that wherein includes magnetisable material.Along with the rotation of developer roll 102, the scraping adjusting that is adsorbed in carbon dust process layer thickness regulating blade 105 ends on developer roll 102 surfaces reaches predetermined thickness, finally is carried to the zone that photosensitive drums 202 carries electrostatic latent image by developer roll 102.In this zone, the electric field force between photosensitive drums 202 and the carbon dust transits to photosensitive drums 202 surfaces after overcoming the suffered magnetic field force of carbon dust, makes electrostatic latent image be converted into visual image.Can obtain the visual image of permanent fixation after the operations such as this follow-up transfer printing of visual image process that constitutes by loose carbon dust, photographic fixing.
The aforementioned carbon dust puddle support 104 that is used for transmitting carbon dust and so on developer is made of back shaft 111 and the spring leaf 113 that is fixed on the back shaft 111.Back shaft 111 rotatably is supported on two opposing sidewalls 108,109 of development box body 101.Back shaft 111 axially under handle box A is loaded into the state of laser printer, be parallel to photosensitive drums 202 and developer roll 102 axially.An end of back shaft 111 extends to outside the sidewall 109 of development box body 101, so that at its terminal transmission gear (one of Fig. 2 middle gear group 110) of installing, reach accept rotary torque that laser printer transmits after, the developers that stir deposit in the development box body 101 with rotating manner make it be in fluffy mobile state again, and be passed to powder feeding roller 103 near.On the outer wall 116 of back shaft 111 (outer wall 116 has the form on plane in the present embodiment, also is feasible if adopt the form on the face of cylinder), be provided with along back shaft 111 laterally, i.e. seven projections 112 extending outwardly of its diametric(al).Seven projections 112 distribute along the axially equidistant of back shaft 111, and all are positioned on the same plane of back shaft 111 center lines.On the diametric(al) of back shaft 111, the projection of shape of projection 112 is oval (also can be the comparatively level and smooth rectangle of its periphery certainly).This long axis of ellipse is parallel to the sense of rotation α of back shaft 111.Be adjacent to the position of back shaft outer wall 116 at projection 112, the both sides in this position corresponding to back shaft 111 sense of rotation α upstream and downstream respectively are provided with along the notch 115 of back shaft 111 sense of rotation α indents.Therefore, projection 112 is corresponding to the position of notch 115, its corresponding to the radial dimension on the back shaft 111 sense of rotation α less than the in the same way size of projection 112 back to an end of outer wall 116.Spring leaf 113 is provided with docking port 114 corresponding to the position of projection 112.Docking port 114 is being equal to or slightly greater than position in the same direction the radial dimension of projection 112 corresponding to notch 115 corresponding to the width on the back shaft 111 sense of rotation α.Docking port 114 then is being slightly wider than the in the same way size of projection 112 at corresponding site corresponding to the width on back shaft 111 central axis direction.Under installment state, the docking port 114 of spring leaf 113 is nested in the position of projection 112 corresponding to notch 115.So, realize fixing between the two by easy mechanical fit system between spring leaf 113 and the projection 112, had characteristics simple and easy to do and easy to maintenance.
Claims (2)
1. laser printer handle box, comprise photosensitive unit that wherein contains photosensitive drums and the developing cell that wherein contains developer roll, described developing cell comprises development box body and development lid, described development lid removably be fixed in described development box body uncovered on, described development box body is provided with the developer feeding mouth for described developer turnover, be provided with the puddle support that constitutes by back shaft and spring leaf in the described development box body, described puddle support rotatably is supported on two opposing sidewalls of described development box body by described back shaft, the outer wall that it is characterized in that described back shaft is provided with the projection that laterally outwardly extends along described back shaft, described projection is parallel to described back shaft sense of rotation at described back shaft projection ovalize and its major axis transversely, described projection is adjacent to described back shaft outer wall and respectively is provided with along the notch of described back shaft sense of rotation indent corresponding to the position of described back shaft sense of rotation upstream and downstream, described spring leaf is provided with docking port corresponding to the position of described projection, described docking port is being equal to or slightly greater than position in the same direction the radial dimension of described projection corresponding to described notch corresponding to the width on the described back shaft sense of rotation, described docking port is nested on the position of described projection corresponding to described notch.
2. laser printer handle box according to claim 1 is characterized in that described projection. quantity be no less than two, and linear equidistantly distribute along axially being of described back shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200434602U CN201145829Y (en) | 2008-01-24 | 2008-01-24 | Processing box for laser printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200434602U CN201145829Y (en) | 2008-01-24 | 2008-01-24 | Processing box for laser printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201145829Y true CN201145829Y (en) | 2008-11-05 |
Family
ID=40082711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200434602U Expired - Fee Related CN201145829Y (en) | 2008-01-24 | 2008-01-24 | Processing box for laser printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201145829Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102193478A (en) * | 2011-06-03 | 2011-09-21 | 珠海天威飞马打印耗材有限公司 | Processing box |
-
2008
- 2008-01-24 CN CNU2008200434602U patent/CN201145829Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102193478A (en) * | 2011-06-03 | 2011-09-21 | 珠海天威飞马打印耗材有限公司 | Processing box |
| WO2012163277A1 (en) * | 2011-06-03 | 2012-12-06 | 珠海天威飞马打印耗材有限公司 | Processing box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081105 |