CN2901378Y - Carbon powder box for laser printer - Google Patents
Carbon powder box for laser printer Download PDFInfo
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- CN2901378Y CN2901378Y CN 200620058796 CN200620058796U CN2901378Y CN 2901378 Y CN2901378 Y CN 2901378Y CN 200620058796 CN200620058796 CN 200620058796 CN 200620058796 U CN200620058796 U CN 200620058796U CN 2901378 Y CN2901378 Y CN 2901378Y
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- curved surface
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Abstract
The utility model relates to a carbon powder box for laser printer, comprising a powder bobbin (6) for containing the carbon powder, an expanding warehouse (2) extended radial from part of a cylindrical surface (24) of the powder bobbin (6) for expanding the capacity of carbon, an elongated discharging opening (23) extending along the powder bobbin (6) radial and arranged on the cylindrical surface (24) of the powder bobbin (6) opposite the expanding warehouse (2), wherein the radial ends of the powder bobbin (6) are open, the cross-sections of which are in the shape of circle and are closed separately by an end cap (1) and a handle (3), the powder bobbin (6) is provided with a hermetic door (21) that can rotate in the powder bobbin (6), on the surface of hermetic door (21) and opposite to the inside wall of the powder bobbin (6), a sealing sponge (22) is fixed, the inside wall of the powder bobbin (6) around the elongated discharging opening (23) shrinks radial to be a shrinkage curvature (242) for pressing the sealing sponge (22), and the inside wall of the powder bobbin (6) that corresponds to the position out of the elongated discharging opening (23) expands radial to be an expanding curvature (241) for releasing the sealing sponge (22). The utility model can reduce the abrasion of the sealing sponge and increase the use life of carbon powder box.
Description
[technical field]
The utility model relates to a kind of cartridge, the cartridge on the laser printer.
[background technology]
At present, existing laser printer carbon powder box great majority all comprise the powder tube that holds carbon dust, and the cylinder of powder tube is provided with along its axially extended strip meal outlet, and the axial both ends open of powder tube is also sealed by end cap and handle respectively; In the powder tube, be provided with the hermatic door that can in the powder tube, rotate; On the surface of the relative hermatic door of powder barrel mast face, be fixed with the sealing sponge.Usually, carbon dust is stored in the powder tube, and the sealing sponge is used to control the opening and closing of powder tube meal outlet; Powder tube inwall is the face of cylinder, when handle rotates, hermatic door rotates thereupon, when hermatic door forwards the meal outlet position to, the sealing sponge that is arranged on the hermatic door will be pressed on the meal outlet, and meal outlet is closed, when hermatic door leaves the meal outlet position, the sealing sponge also leaves meal outlet thereupon, and meal outlet is opened.
But there is following shortcoming in this kind powder box structure: in order to guarantee the sealing of cartridge, the sealing sponge that necessarily requires to be positioned on the hermatic door presses on powder barrel mast face, if when meal outlet is closed, sealing sponge elasticity is smaller, just may produce leakage powder; Because existing in the whole rotation process of hermatic door, position sealing sponge thereon is in the radial shrinkage state always, it is bigger to wear and tear, and often in use for some time, sealing sponge elasticity reduces, and will produce leakage powder.
[utility model content]
The purpose of this utility model is to provide a kind of cartridge, and this cartridge can effectively reduce the wearing and tearing of sealing sponge when work, thereby improves its serviceable life.
Carbon powder cartridge for laser printer according to the above-mentioned purpose design, comprise the powder tube that is used to hold carbon dust, the part of powder barrel mast face is radially expanded becomes the dilatation storehouse that is used to enlarge the carbon dust capacity, the cylinder that the powder tube is relative with the dilatation storehouse is provided with along the axially extended strip meal outlet of powder tube, the axial both ends open of powder tube, the axial two ends of powder tube xsect is rounded and respectively by the sealing of end cap and handle, be provided with the hermatic door that can rotate in described powder tube in the powder tube, hermatic door and described powder tube inwall facing surfaces are fixed with the sealing sponge.Powder tube inwall around the strip meal outlet that is provided radially is shrunk to the contraction curved surface that is used for the compression seal sponge, radially expand into the expansion curved surface that is used to reduce to seal the sponge decrement at powder tube inwall corresponding to the position outside the strip meal outlet, the sealing sponge be in position corresponding to the strip meal outlet along the powder barrel dliameter to the compression state, be in corresponding to the position outside the strip meal outlet nature laying state or along the powder barrel dliameter to decrement less than decrement corresponding to strip meal outlet position.
Above-mentioned carbon powder cartridge for laser printer is connected smoothly between expansion curved surface that is provided and the described contraction curved surface.
Above-mentioned carbon powder cartridge for laser printer, expansion curved surface that is provided and contraction curved surface are cylinder, and the xsect at its axial two ends all is circular arc.
Above-mentioned carbon powder cartridge for laser printer, the axial two ends cross circular section arc dia of the expansion curved surface that is provided is greater than shrinking the axial two ends of curved surface cross circular section arc dia.
Above-mentioned carbon powder cartridge for laser printer, the axial two ends of the expansion curved surface cross circular section arc dia that is provided is less than the axial two ends of contraction curved surface cross circular section arc dia, and expansion curved surface axial two ends xsect circular arc and the axial two ends of contraction curved surface xsect circular arc decentraction.
Above-mentioned carbon powder cartridge for laser printer, the axial two ends of the expansion curved surface xsect circular arc that is provided is interior circular arc, the axial two ends of described contraction curved surface xsect circular arc is an external arc.
Above-mentioned carbon powder cartridge for laser printer, the axial two ends of the expansion curved surface xsect circular arc radius that is provided is not more than the decrement that seals sponge with the absolute value that shrinks the axial two ends of curved surface xsect circular arc semidiameter value.
Compared with prior art, the utility model beneficial effect is: (1) is because the utility model powder tube inwall is provided with contraction curved surface that is used for the compression seal sponge and the expansion curved surface that is used to reduce to seal the sponge decrement, the sealing sponge with the hermatic door rotation process in, when being positioned at expansion curved surface position, the expansion curved surface can be reduced to the nature laying state to the sealing sponge decrement that is in compressive state, perhaps make the decrement of the decrement of sealing sponge less than the sealing sponge when shrinking the curved surface position, when being positioned at contraction curved surface position, shrink curved surface compression seal sponge, thereby meal outlet is sealed, so this structure not only can play and seal the sealing process of sponge to meal outlet in the general prior art, because when expansion curved surface position, the sealing sponge is in the state that nature laying state or decrement reduce, therefore can effectively reduce the wearing and tearing of sealing sponge, improve the life-span of the present utility model; (2) because just improving the inwall of common cartridge powder tube, the utility model comprises the expansion curved surface and shrinks curved surface that therefore, its structure is also fairly simple.
[description of drawings]
Below in conjunction with the drawings and specific embodiments, the utility model done describing in further detail.
Fig. 1 is a stereographic map of the present utility model;
Fig. 2 is a decomposing schematic representation of the present utility model;
Fig. 3 is a structural representation of the present utility model;
Fig. 4 is the first embodiment side sectional view of the present utility model;
Fig. 5 is the second embodiment side sectional view of the present utility model;
Fig. 6 is the 3rd an embodiment side sectional view of the present utility model.
[embodiment]
Referring to Fig. 1, Fig. 2, the one-piece construction of the utility model cartridge.
The utility model comprises the powder tube 6 that holds carbon dust; Powder tube 6 axial both ends opens, its axial two ends xsect is rounded and respectively by 3 sealings of end cap 1 and handle.
The part of powder tube 6 cylinders 24 is radially expanded becomes the dilatation storehouse 2 that is used to enlarge the carbon dust capacity.In other words, in order to increase the carbon dust capacity of powder tube 6, the outside stretching of the cylinder that is positioned at powder tube 6 bottoms made its distortion, form a new carbon dust container, we are called dilatation storehouse 2.
The cylinder 24 of the powder tube 6 relative with dilatation storehouse 2 is provided with strip meal outlet 23, and this strip meal outlet 23 extends axially along cylinder 24.
In powder tube 6, be provided with the hermatic door 21 that can in powder tube 6, rotate; On the surface of the hermatic door 21 relative, be fixed with sealing sponge 22 with powder tube 6 cylinders 24.
During use, rotary handle 3, hermatic door 21 rotates thereupon together, drives 22 rotations of sealing sponge, when sealing sponge 22 is threaded to the position of meal outlet 23, the sealing sponge that is in compressive state is closed meal outlet 23, when sealing the position of sponge 22 whiz meal outlets 23, meal outlet 23 is opened, owing to store carbon dust in powder tube 6, when meal outlet 23 was opened, powder tube 6 promptly can be to printer for powder by meal outlet 23.
Referring to Fig. 3, the concrete structure of the utility model cartridge.
Corresponding to the position outside the strip meal outlet 23, powder tube 6 inwalls radially expand into the expansion curved surface 241 that is used to reduce to seal sponge 22 decrements.
Be connected smoothly between expansion curved surface 241 and the contraction curved surface 242.
Adopt this kind structure, sponge 22 is in the position corresponding to strip meal outlet 23 along powder tube 6 radial compression in sealing, be in the nature laying state corresponding to the position outside the strip meal outlet 23 or along powder tube 6 decrement radially less than decrement corresponding to strip meal outlet 23 positions, can effectively reduce the wearing and tearing of sealing sponge 22, specifically, radial shrinkage when sealing sponge 22 corresponding to meal outlet 23 positions, cylinder 24 pressure to powder tube 6 increase, can realize the closing of meal outlet 23, prevent that carbon dust from leaking; During position outside being positioned at meal outlet 23, sealing sponge 22 decrements reduce or are in the nature laying state, therefore powder tube 6 cylinders 24 pressure are reduced, sealing sponge 22 reduces with powder barrel mast face 24 friction force thereupon, thereby has reduced the wearing and tearing of sealing sponge 22; In expansion curved surface 241 and contraction being connected in the transient process of curved surface 242, because at expansion curved surface 241 with shrink between the curved surface 242 and be provided with the curved surface 243 that is connected smoothly, reduced sealing sponge 22 by the wearing and tearing of expansion curved surface 241 when shrinking curved surface 242 transition.
Fig. 4: the embodiment one of this use new style toner box.
In this embodiment, the designer all is set to cylinder to expansion curved surface 241 and contraction curved surface 242, realizes seamlessly transitting by curved surface 243 between these two cylinders; The xsect at expansion curved surface 241 and contraction curved surface 242 axial two ends all is circular arc, and the axial two ends cross circular section arc dia of expansion curved surface 241 is greater than shrinking curved surface 241 axial two ends cross circular section arc dias.
Specifically, radially dissect along powder tube 6, corresponding to the cross circular section arc dia at meal outlet 23 places less than garden arc dia away from meal outlet 23 places.
Adopt this kind structure, because two garden arc dias differ in size, when sealing sponge 22 was positioned on the less cylinder of cross circular section arc dia, sealing sponge 22 was compressed, and is in the radial shrinkage state; When sealing sponge 22 when being positioned on the bigger cylinder of cross circular section arc dia, sealing sponge 22 decrements diminish, and it is in nature laying state or its decrement less than the decrement that is positioned on the less cylinder of cross circular section arc dia.
Referring to Fig. 5, the embodiment two of the utility model cartridge.
In this embodiment, the designer all is set to cylinder to expansion curved surface 241 and contraction curved surface 242;
Realize seamlessly transitting by curved surface 243 between these two cylinders; The xsect at expansion curved surface 241 and contraction curved surface 242 axial two ends all is circular arc, expansion curved surface 241 axial two ends cross circular section arc dias are less than contraction curved surface 241 axial two ends cross circular section arc dias, but expansion curved surface 241 axial two ends xsect circular arcs and contraction curved surface 241 axial two ends xsect circular arc decentraction.
Specifically, specifically, radially dissect along powder tube 6, corresponding to the cross circular section arc dia at meal outlet 23 places greater than garden arc dia away from meal outlet 23 places.In order to realize the purpose of this utility model, two circular arcs of designer are set to not concentric, promptly have certain eccentric throw at two circular arcs, like this, when expanding curved surface 241 and shrinking 242 two cylinders of curved surface, can constitute cylinder with certain eccentric throw in the transition position smooth connection.
Adopt this kind structure, when sealing sponge 22 when being positioned at meal outlet 23 places, though the radial cross-section arc diameter that should locate is bigger, but because there is certain eccentric throw in it, the circular arc at this place inwardly shrinks, and therefore sealing sponge 22 is compressed, and is in the radial shrinkage state; When sealing sponge 22 is positioned at away from corresponding to the position outside the meal outlet 23 time, though, the radial cross-section arc diameter of this position is less, but because the circular arc decentraction of two xsects, the circular arc at this place expands outwardly, sealing sponge 22 decrements reduce, and it is in nature laying state or its decrement less than decrement when being positioned at the bigger arc position of diameter, and sealing sponge 22 is in the radial dilatation state.
Referring to Fig. 6, the embodiment three of this use new style toner box.
In this embodiment, the described expansion curved surface 241 axial two ends xsect circular arcs of designer are set to interior circular arc, shrink curved surface 242 axial two ends xsect circular arcs and are set to external arc.
Specifically, the cylinder 24 of relative powder tube 6, cave inward at cylinder corresponding to meal outlet 23 places, for reaching optimal effectiveness, this cylinder that caves inward is for radially dissecing, it is one circular-arc that xsect is, because when compression seal sponge 22, what we used is the external curve of this circular cross-section, so we claim that this circular cross-section is an external arc, contraction curved surface just of the present utility model, when sealing sponge 22 is positioned on the cylinder of this depression, the downward crush seal sponge 22 of concave face, 22 compressions of sealing sponge, sealing meal outlet 23.The cylinder relative with the cylinder of this depression, whole relatively powder tube 6 cylinders 24, monnolithic case does not change, just expanding outwardly in the radial direction, like this, when sealing sponge 22 is positioned at this curved surface place, because its diameter is bigger than former powder tube 6 cylinders 24, therefore, under the effect of this curved surface, sealing sponge 22 barrel mast face 24 pressure that are pollinated reduce, and amount of contraction diminishes or is in the nature laying state, because it radially dissects, it is circular-arc that its xsect also is, what we used is the inner curve part of this circular arc, so we claim that this circular cross-section is interior circular arc, expansion curved surface 241 just of the present utility model.
In above each embodiment, in order to guarantee in the use, sealing sponge 22 is in good expansion and contraction state on expansion curved surface 241 and contraction curved surface 242 positions, consider manufacturing cost simultaneously, the expansion curved surface 241 axial two ends xsect circular arc radiuses of the design people's design are not more than the decrement that seals sponge 22 with the absolute value of the difference of shrinking curved surface 242 axial two ends xsect circular arc radiuses.That is to say that under perfect condition, sealing sponge 22 is in the nature laying state when expansion curved surface 241 positions; When being positioned at contraction curved surface 242 positions, be in complete compressive state.
More than each embodiment, shrinking between curved surface 242 and the expansion curved surface 241 is to be connected smoothly by curved surface 243 realizations, these curved surface 243 axial two ends xsects can also can be quafric curve shape or other curve forms for circular-arc.
Obviously, in above each embodiment,, in this junction one elongated slot is arranged with powder tube 6, when sealing sponge 22 is in this elongated slot, be the nature laying state owing to expand storehouse 2 when going in sealing sponge 22 when expanding storehouse 2 with powder tube 6 junctions.
Claims (7)
1. carbon powder cartridge for laser printer, comprise the powder tube (6) that is used to hold carbon dust, the part of described powder tube (6) cylinder (24) is radially expanded becomes the dilatation storehouse (2) that is used to enlarge the carbon dust capacity, the cylinder (24) that described powder tube (6) is relative with described dilatation storehouse (2) is provided with along the axially extended strip meal outlet of described powder tube (6) (23), described powder tube (6) is both ends open axially, described powder tube (6) axially two ends xsect is rounded and sealed by end cap (1) and handle (3) respectively, be provided with the hermatic door (21) that can in described powder tube (6), rotate in the described powder tube (6), described hermatic door (21) is fixed with sealing sponge (22) with described powder tube (6) inwall facing surfaces, it is characterized in that described strip meal outlet (23) powder tube (6) inwall on every side radially is shrunk to the contraction curved surface (242) that is used for compression seal sponge (22), radially expand into the expansion curved surface (241) that is used to reduce to seal sponge (22) decrement at powder tube (6) inwall corresponding to the position outside the described strip meal outlet (23), described sealing sponge (22) is in along the state of described powder tube (6) radial compression in the position corresponding to described strip meal outlet (23), be in the nature laying state corresponding to the position outside the described strip meal outlet (23) or along described powder tube (6) decrement radially less than decrement corresponding to described strip meal outlet (23) position.
2. carbon powder cartridge for laser printer as claimed in claim 1 is characterized in that: be connected smoothly between described expansion curved surface (241) and the described contraction curved surface (242).
3. carbon powder cartridge for laser printer as claimed in claim 1 is characterized in that: described expansion curved surface (241) and described contraction curved surface (242) are cylinder, and the xsect at its axial two ends all is circular arc.
4. carbon powder cartridge for laser printer as claimed in claim 3 is characterized in that: the axial two ends cross circular section arc dia of described expansion curved surface (241) is greater than the axial two ends of described contraction curved surface (241) cross circular section arc dia.
5. carbon powder cartridge for laser printer as claimed in claim 3, it is characterized in that: the axial two ends of described expansion curved surface (241) cross circular section arc dia is less than the axial two ends of described contraction curved surface (241) cross circular section arc dia, and axial two ends xsect circular arc of described expansion curved surface (241) and the axial two ends of described contraction curved surface (241) xsect circular arc decentraction.
6. carbon powder cartridge for laser printer as claimed in claim 3 is characterized in that the axial two ends of described expansion curved surface (241) xsect circular arc is interior circular arc, and described contraction curved surface (242) axially two ends xsect circular arc is an external arc.
7. as claim 4,5 or 6 described carbon powder cartridge for laser printer, it is characterized in that the absolute value of axial two ends xsect circular arc radius of described expansion curved surface (241) and the axial two ends of described contraction curved surface (242) xsect circular arc semidiameter value is not more than the decrement of sealing sponge (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620058796 CN2901378Y (en) | 2006-05-09 | 2006-05-09 | Carbon powder box for laser printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620058796 CN2901378Y (en) | 2006-05-09 | 2006-05-09 | Carbon powder box for laser printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2901378Y true CN2901378Y (en) | 2007-05-16 |
Family
ID=38085542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620058796 Expired - Fee Related CN2901378Y (en) | 2006-05-09 | 2006-05-09 | Carbon powder box for laser printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2901378Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104090474A (en) * | 2014-07-28 | 2014-10-08 | 珠海天威飞马打印耗材有限公司 | Carbon powder container |
| CN109856937A (en) * | 2019-04-10 | 2019-06-07 | 广州奥盛电子科技有限公司 | A kind of cartridge of novel sealing structure powder cabin |
| CN110780558A (en) * | 2018-07-31 | 2020-02-11 | 佳能株式会社 | Developer container unit, developing device, and process cartridge |
-
2006
- 2006-05-09 CN CN 200620058796 patent/CN2901378Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104090474A (en) * | 2014-07-28 | 2014-10-08 | 珠海天威飞马打印耗材有限公司 | Carbon powder container |
| CN104090474B (en) * | 2014-07-28 | 2017-06-16 | 珠海天威飞马打印耗材有限公司 | Carbon dust container |
| CN110780558A (en) * | 2018-07-31 | 2020-02-11 | 佳能株式会社 | Developer container unit, developing device, and process cartridge |
| CN110780558B (en) * | 2018-07-31 | 2023-03-14 | 佳能株式会社 | Developer container unit, developing device, and process cartridge |
| CN109856937A (en) * | 2019-04-10 | 2019-06-07 | 广州奥盛电子科技有限公司 | A kind of cartridge of novel sealing structure powder cabin |
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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: 20070516 |