CN202362589U - Novel toner control structure of printer - Google Patents
Novel toner control structure of printer Download PDFInfo
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- CN202362589U CN202362589U CN2011204638507U CN201120463850U CN202362589U CN 202362589 U CN202362589 U CN 202362589U CN 2011204638507 U CN2011204638507 U CN 2011204638507U CN 201120463850 U CN201120463850 U CN 201120463850U CN 202362589 U CN202362589 U CN 202362589U
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- control powder
- printer control
- support
- toner
- novel printer
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Abstract
The utility model discloses a novel toner control structure of a printer. The novel toner control structure comprises a support member arranged in a toner cartridge, and a metal frictional member in contact with a developing element. An elastic mechanism is arranged between the support member and the metal frictional member so that toner adsorbed on the surface of an aluminum tube can have a higher electric quantity through friction of the metal frictional member when the printer works and the electrified toner can form a uniform layer on the surface of the aluminum tube through squeezing effect of the elastic mechanism so as to be controlled stably. Under effect of the structure, the toner not only has a higher electric quantity, but also is controlled stably, so that problems of light printing color, attenuated blackness, gray background and the like caused by insufficient electric quantity of the toner are avoided.
Description
Technical field
The utility model relates to a kind of control powder device, particularly a kind of control powder structure that is used for printer toner cartridge.
Background technology
In laser printer, the development of beating is a kind of visualization way commonly used (as shown in Figure 1), and it has, and print quality is good, moment of torsion is little, stable advantages of higher.Particularly in the monochromatic printing in middle and high end, has clear superiority.
At present the monochromatic laser printer of Hewlett-Packard and Canon all adopts this kind pattern, and its principle of work is following: its magnetic roller is made up of the magnetic core that is equipped with in aluminum pipe and the pipe, during work owing to the effect of magnetic core; The magnetic carbon dust can be adsorbed on aluminum tube surfaces in a large number, along with aluminum pipe rotates (magnetic core is fixed), when forwarding the rubber strip position to; Owing to be squeezed, carbon dust can form layer of even carbon dust layer in aluminum tube surfaces, simultaneously because friction; Can make negative charge certain on the carbon dust band, and machine can apply certain bias voltage to aluminum tube surfaces, the carbon dust of aluminum tube surfaces is beated in aluminum tube surfaces under the effect of magnetic field force and electric field force back and forth; Aluminum pipe and photosensitive drums over against the time; Charged toner on it can be adsorbed to the sub-image district of photosensitive drums, develops thereby accomplish, and said process is the process of beating and developing.
In this developing process, the charged height of carbon dust plays a decisive role to the quality of final printing.At present in the printer that develops is beated in the use of Hewlett-Packard and Canon; The charged of carbon dust all is rely on carbon dust and rubber strip fricative; The rubber strip sheet generally all adopts PU (polyurethane) material to constitute; Owing to carried charge is not enough, it is shallow printed colors to occur through regular meeting in actual use, problems such as blackness decay and bottom ash.
Summary of the invention
In order to overcome the deficiency of prior art, the utility model provides a kind of frictional electrification high, the control powder device of control powder good stability, thereby avoided because of the not enough printed colors that causes of carbon dust carried charge shallow, problems such as blackness decay and bottom ash.
The utility model solves the technical scheme that its technical matters adopted:
A kind of novel printer control powder structure is characterized in that: comprise that being arranged at propping up in the toner cartridge claims that a part reaches and the contacted metal friction spare of developing element, is provided with elastic mechanism between this a metal friction spare and a title part.
Said metal friction spare is a sheet metal.
Said metal friction spare is a metallic roll.
Said elastic mechanism is a rubber layer.
Claim that part is provided with first rubber strip for said.
Said elastic mechanism is a compression spring.
Claim that part comprises first support and second support for said, said metallic roll is hubbed in first support, and the two ends of said compression spring are connected with first support and second support respectively.
The xsect of the said first support inside surface is a circular arc, and this circular arc arc length is longer than semi arch.
Be provided with knife rest in the said toner cartridge, knife rest is provided with second rubber strip.
The beneficial effect of the utility model is: comprise that a title part that is arranged in the toner cartridge reaches and the contacted metal friction spare of developing element; This claims to be provided with elastic mechanism between part and metal friction spare; Thereby printer when work, be adsorbed on friction that the carbon dust of aluminum tube surfaces can be through metal friction spare with on higher carried charge, through the squeezing action of elastic mechanism; Charged toner can form uniform one deck in aluminum tube surfaces, thereby the control powder is stable.
Thereby the carbon dust through the said structure effect not only has higher carried charge, and the control powder is stable, thus avoided because of the not enough printed colors that causes of carbon dust carried charge shallow, problems such as blackness decay and bottom ash.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified:
Fig. 1 is the control powder device synoptic diagram of the old structure of the utility model;
Fig. 2 is the diagrammatic cross-section of first specific embodiment;
Fig. 3 is the diagrammatic cross-section of the another kind of structure of first specific embodiment;
Fig. 4 is the diagrammatic cross-section of second specific embodiment;
Fig. 5 is the diagrammatic cross-section of the other direction of second specific embodiment;
Fig. 6 is the diagrammatic cross-section of the another kind of structure of second specific embodiment.
Embodiment
With reference to Fig. 2, the utility model discloses a kind of novel printer control powder structure, comprise that being arranged at propping up in the toner cartridge claims that a part 1 reaches and developing element 2 contacted metal friction spares 4, this a metal friction spare 4 and 1 of a part of title are provided with elastic mechanism 3.
As shown in Figure 2; In this first specific embodiment, metal friction spare 4 is a sheet metal, and elastic mechanism 3 is a rubber layer; Through rubber layer squeezing action; Charged toner can form uniform one deck in aluminum tube surfaces, thereby the control powder is stable, and the elastic force of rubber layer can make the friction force between sheet metal and carbon dust remain in the suitable scope.Install in order to reach convenient; Sheet metal is combined as a whole through mode and the rubber layer of pasting; But above-mentioned mounting means does not constitute the restriction to the utility model; Said structure also can pass through screw retention, but screw retention not only influences the elasticity of rubber layer, and more complicated than pasting on the technology.
As shown in the figure; Elastic mechanism 3 is a rubber layer, and the rubber material can adopt sponge foaming kind rubber, also can adopt soft entity rubber; Certainly elastic mechanism 3 can also have multiple choices like layer of polyurethane, nylon layer etc., can as long as can reach the identical similar effect of this practicality.
As shown in Figure 3, Fig. 3 is the another kind of structure of first specific embodiment, and the structure shown in this legend is compared difference and is with the structure of Fig. 2: a title part 1 is provided with first rubber strip 7; This structure forms uniform carbon dust layer through the squeezing action of first rubber strip 7 earlier; Be with low electric weight, again the friction through sheet metal 3 with on higher carried charge and further make the carbon dust layer even, thereby the control powder is more stable; When aluminum pipe turn to photosensitive drums over against the time; Under electric field force and magnetic field force effect, the charged toner on the aluminum pipe can be adsorbed to the sub-image district of photosensitive drums, develops thereby accomplish.
With reference to Fig. 4, Fig. 5; In this second specific embodiment; Prop up and claim that part 1 comprises first support and second support; Be pivoted with in first support and developing element 2 contacted metallic roll, metallic roll can adopt solid rod also can adopt hollow tubular, and is provided with the compression spring that connects first support and second support between first support and second support.
Like Fig. 4, shown in Figure 5, in this specific embodiment, the first support inside surface is a smooth surface; Metallic roll can freely be rotated in first support, and the cross-sectional profiles line of first inside surface is a circular arc, and this circular arc arc length is greater than semi arch; Through said structure, metallic roll can snap in from the opening part of first support, and is difficult in first support, deviating from; Make simply purpose easy for installation thereby reach.
As shown in the figure; In this specific embodiment, elastic mechanism 3 is a compression spring, through the squeezing action of compression spring; Charged toner can form uniform one deck in aluminum tube surfaces; Thereby the control powder is stable, and the elastic force of compression spring can make the friction force between metallic roll and carbon dust remain in the suitable scope, above-mentioned be the utility model preferably; The utility model is not constituted restriction, the utility model also can adopt flexible member such as torsion spring, leaf spring or elastic construction to reach same or analogous purpose.
As shown in Figure 6, Fig. 6 is the another kind of structure of this second specific embodiment, and the structure shown in this legend is compared difference and is with Fig. 4 and structure shown in Figure 5: be provided with knife rest 5 in the toner cartridge; This knife rest 5 is provided with second rubber strip 6, and this structure forms uniform carbon dust layer through the squeezing action of second rubber strip 6 earlier, is with low electric weight; Again the friction through metallic roll 4 with on higher carried charge and further make the carbon dust layer even; Thereby the control powder more stable, when aluminum pipe turn to photosensitive drums over against the time, under electric field force and magnetic field force effect; Charged toner on the aluminum pipe can be adsorbed to the sub-image district of photosensitive drums, develops thereby accomplish.
In the utility model, except first and second practical implementations exception, also have the 3rd specific embodiment, the difference of the 3rd specific embodiment and second specific embodiment is: metal friction spare 4 has adopted sheet metal.Also can make higher carried charge on the carbon dust band that is adsorbed on aluminum tube surfaces through said structure, thus reach with second specific embodiment in the effect that structure reached identical or close.
Above-mentionedly just preferred embodiments more of the present invention are illustrated and describe, but embodiment of the present invention is not restricted to the described embodiments,, all should belong to protection scope of the present invention as long as it reaches technique effect of the present invention with essentially identical means.
Claims (9)
1. a novel printer control powder structure is characterized in that: comprise that being arranged at propping up in the toner cartridge claims that a part reaches and the contacted metal friction spare of developing element, is provided with elastic mechanism between this a metal friction spare and a title part.
2. a kind of novel printer control powder structure according to claim 1, it is characterized in that: said metal friction spare is a sheet metal.
3. a kind of novel printer control powder structure according to claim 1, it is characterized in that: said metal friction spare is a metallic roll.
4. according to claim 2 or 3 described a kind of novel printer control powder structures, it is characterized in that: said elastic mechanism is a rubber layer.
5. a kind of novel printer control powder structure according to claim 4 is characterized in that: claim that part is provided with first rubber strip for said.
6. according to claim 2 or 3 described a kind of novel printer control powder structures, it is characterized in that: said elastic mechanism is a compression spring.
7. a kind of novel printer control powder structure according to claim 6; It is characterized in that: claim that part comprises first support and second support for said; Said metallic roll is hubbed in first support, and the two ends of said compression spring are connected with first support and second support respectively.
8. a kind of novel printer control powder structure according to claim 7, it is characterized in that: the xsect of the said first support inside surface is a circular arc, and this circular arc arc length is longer than semi arch.
9. a kind of novel printer control powder structure according to claim 8, it is characterized in that: be provided with knife rest in the said toner cartridge, knife rest is provided with second rubber strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204638507U CN202362589U (en) | 2011-11-21 | 2011-11-21 | Novel toner control structure of printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204638507U CN202362589U (en) | 2011-11-21 | 2011-11-21 | Novel toner control structure of printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202362589U true CN202362589U (en) | 2012-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204638507U Expired - Fee Related CN202362589U (en) | 2011-11-21 | 2011-11-21 | Novel toner control structure of printer |
Country Status (1)
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| CN (1) | CN202362589U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013075411A1 (en) * | 2011-11-21 | 2013-05-30 | 珠海市奔码打印耗材有限公司 | Toner control structure for printer |
-
2011
- 2011-11-21 CN CN2011204638507U patent/CN202362589U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013075411A1 (en) * | 2011-11-21 | 2013-05-30 | 珠海市奔码打印耗材有限公司 | Toner control structure for printer |
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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: 20120801 Termination date: 20131121 |