CN201259609Y - Photosensitive drum core charger - Google Patents
Photosensitive drum core charger Download PDFInfo
- Publication number
- CN201259609Y CN201259609Y CNU2008201471717U CN200820147171U CN201259609Y CN 201259609 Y CN201259609 Y CN 201259609Y CN U2008201471717 U CNU2008201471717 U CN U2008201471717U CN 200820147171 U CN200820147171 U CN 200820147171U CN 201259609 Y CN201259609 Y CN 201259609Y
- Authority
- CN
- China
- Prior art keywords
- photosensitive drums
- photosensitive drum
- drum core
- core
- sheet
- 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.)
- Expired - Lifetime
Links
Images
Abstract
The utility model provides a photosensitive drum core charger, which comprises a bracket and is characterized in that the bracket is positioned above the photosensitive drum core; a cleaning sheet and a charging sheet contacted with the outer surface of the photosensitive drum core are correspondingly mounted on the bracket. The bracket is a strip component and provided with a concave groove; the cleaning sheet and the charging sheet are arranged oppositely with ends respectively fixed on the inner wall of the concave groove; the other ends are contacted with the photosensitive drum core. The cleaning sheet is a deformable PU elastic photographic film; the charging sheet is manufactured through conductive elastic material. As an elastic charging sheet and an elastic cleaning sheet are mounted on the bracket at the same time, not only the photosensitive drum core is cleaned, but also the photosensitive drum core is charged; the photosensitive drum core charger can replace a charging roller and a cleaning scraper, and reduce the production cost of selenium drum; meanwhile, the machining pollution generated in the manufacturing process of charging roller and the pollution on photosensitive drum core in using process are avoided; the printing quality is improved, and the structure of an original imaging device is not changed.
Description
[technical field]
The utility model relates to the laser image field shaping technique, relates in particular to the improvement of the charging roller of equipment such as laser printer, laser facsimile, laser copier, laser blueprint instrument.
[background technology]
The principle of work of laser imaging is that the print signal that at first computer transmitted is converted into pulse signal and is sent to laser instrument, by the charging rod to photosensitive drums wicking surface uniform charging, laser instrument penetrates the electric charge that laser is offset drum core epigraph position, then the carbon dust on the magnetic roller is adsorbed onto on the bulging core by electrostatic principle, carry out transfer printing by transfer roll again, since on the transfer roll with voltage be higher than voltage on the bulging core, carbon dust on the bulging core is pulled on the paper, heating infiltrates in the fiber of paper carbon dust fusing after the pressurization, finishes whole imaging process.Its molding structure comprises tangent developer roll 2, photosensitive drums core 1 and the charging roller 3 of periphery as shown in Figure 1, and printer paper 5 is positioned under the photosensitive drums core 1 and is tangent with its periphery, and it is other that cleaning doctor 4 is positioned at charging roller 3, its end face and charging roller 3 applyings.After one time image was finished, cleaning doctor 4 must be wiped the remaining carbon dust that a width of cloth pattern on the charging roller 3 carries over off.Charging roller 3 is again to photosensitive drums core 1 surface charging then, removes the rest potential after Polaroid, just can carry out the image work second time then.Present existing charging roller 3 is roller cores of doing matrix with the metallic conduction material, on roller core, be coated with conductive adhesive, conductive adhesive is provided with the rubber elastic layer that has certain thickness, contains the conductive rubber formation of charcoal micro mist, and conductive rubber elastic layer outside surface is coated with conductive coating.Above-mentioned charging roller in the mill, technology is comparatively complicated, and serious environment pollution.Simultaneously, charging roller can cause the pollution to the photosensitive drums core after use a period of time, can not in time remove ink powder residual on the photosensitive drums core, makes printing picture produce ghost image, and print quality is exerted an influence, and brings very big loss for photosensitive drums core drum producer and user.This is a technical barrier in the present laser printer consumptive material accessory.Therefore, in structural design, a cleaning doctor also must be set come charging cleaning roller, very trouble.
[utility model content]
Technical problem to be solved in the utility model is the defective that overcomes above-mentioned prior art, provides a kind of and both can clean the photosensitive drums core, can give the charging of photosensitive drums core, the photosensitive drums core charger of alternative charging roller again.
For reaching above-mentioned utility model purpose, the utility model proposes following technical scheme:
A kind of photosensitive drums core charger comprises a support, and described support is positioned at photosensitive drums core top, and correspondence is equipped with the cleaning foil and the charge sheet that can touch with the photosensitive drums core outer surface on it.
Described support is the strip member that contains a groove, and described cleaning foil and charge sheet are oppositely arranged, and an end is individually fixed in described groove madial wall, and the other end and photosensitive drums core elasticity touch.
Preferably, described cleaning foil is deformable elastic film.
Preferably, described film is the PU film.
Preferably, described charge sheet adopts conductive resilient material manufacturing.
The utlity model has following technique effect:
1) the utility model is owing to install rubber-like charge sheet and cleaning foil simultaneously on support, both can charge to the photosensitive drums core, can tightly be pressed on the photosensitive drums core again and clean, can substitute existing charging roller and two parts of cleaning balde, reduce the production cost of toner cartridge;
2) adopt laser image forming apparatus of the present utility model owing to cancelled charging roller, the both processing pollution that can avoid charging roller to be produced in the mill, also avoided simultaneously laser imaging apparatus use in to the pollution of photosensitive drums core;
3) the utility model structural design is simple, and its manufacture craft is simple more than the rubber charging roller, can remain a better elastic contact condition after the product assembling, and not be subjected to the overproof influence of build-up tolerance, and it is easier to install, and structure adaptability is better;
4) the utility model compares to existing cleaning balde, and its structure is more simple, and the residual carbon dust on can the better cleaning photosensitive drums, has reduced the generation of ghost image, has improved print quality;
5) the utility model longer service life, use that can be repeatedly for several times, thereby the number of times that has reduced assembling and changed uses more conveniently, and can save use cost;
6) the utility model need not changed toner cartridge Anywhere, can with install that charging roller is the same to be installed, can adapt to the equipment such as laser printer, laser facsimile, laser copier, laser blueprint instrument of various brands.
[description of drawings]
Fig. 1 is a prior art laser image forming apparatus structural representation;
Fig. 2 is the utility model structural representation;
Fig. 3 is the side view of Fig. 2;
Fig. 4 is for using the laser image forming apparatus structural representation of the utility model.
In the prior art accompanying drawing:
1-photosensitive drums core; 2-developer roll; 3-charging roller;
4-cleaning balde; 5-printer paper;
In the utility model accompanying drawing:
1-photosensitive drums core; 2-developer roll; 6-charger;
61-support; 62-cleaning foil; 63-charge sheet;
64-web member; 65-web joint; 66-charger axle.
[embodiment]
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As shown in Figure 4, the utility model laser image forming apparatus and prior art are basic identical, also comprise tangent developer roll 2 and the photosensitive drums core 1 of periphery, and printer paper 5 is positioned under the photosensitive drums core 1 and is tangent with its periphery.Different is that the utility model provides a kind of photosensitive drums core charger, alternative cleaning balde 4 of the prior art and charging roller 3.As Fig. 2, shown in Figure 3, the utility model comprises a support 61, is positioned at photosensitive drums core 1 top, and two ends connect charger axle 66 respectively; On described support 61, correspondence is equipped with the deformable elastic cleaning foil 62 that fully touches and the charge sheet 63 that can touch with photosensitive drums core 1 outside surface.Described cleaning foil 62 can be the shell fragment that PU film or other nonmetallic materials are made, rely on the elasticity of cleaning foil 62, it tightly is pressed on the photosensitive drums core 1 cleans, fully guarantee the remaining carbon dust that a width of cloth pattern on the photosensitive drums core 1 carries over is scraped totally.Described charge sheet 63 adopts conductive resilient materials and photosensitive drums core 1 outside surface to be normal contact condition, can cleaning foil 62 clean finish after, to photosensitive drums core 1 surface charging, remove the rest potential after Polaroid, finish the function of charging roller.
Preferably, as Fig. 2, shown in Figure 3, described support 61 is for containing the strip member of a groove, two ends link to each other with the installation shaft 66 of charger, can guarantee support 61 installation site accurately above photosensitive drums core 1, can be connected with external power supply simultaneously by charger installation shaft 66, make be loaded on the charger 6 63 pairs of photosensitive drums cores of charge sheet 1 charge.Described cleaning foil 62 and charge sheet 63 are oppositely arranged, and an end places described groove madial wall respectively, can bottom portion of groove be fixed in the end of cleaning foil 62 and charge sheet 63 by a connection piece 64 and web joint 65, other end freedom outwards stretches and touches with photosensitive drums core 1 outside surface.Because both have certain elasticity, can in described groove, do the swing in the certain limit in the use, both be convenient to install, also be convenient to simultaneously and fully the contacting of photosensitive drums core 1 outside surface.In the said structure, being oppositely arranged of cleaning foil 62 and charge sheet 63 can make the utility model structure very simple, assembling on a support 61, and mutually noninterfere, Each performs its own functions, and maintenance and replacing are also very convenient, and do not need to change other structure of original imaging device.
The above embodiment has only expressed a kind of embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (6)
1, a kind of photosensitive drums core charger comprises a support, it is characterized in that: described support is positioned at photosensitive drums core top, and correspondence is equipped with the cleaning foil and the charge sheet that can touch with the photosensitive drums core outer surface on it.
2, a kind of photosensitive drums core charger according to claim 1, it is characterized in that: described support is the strip member that contains a groove, described cleaning foil and charge sheet are oppositely arranged, and an end is individually fixed in described groove madial wall, and the other end and photosensitive drums core elasticity touch.
3, a kind of photosensitive drums core charger according to claim 1 and 2, it is characterized in that: described cleaning foil is deformable elastic film.
4, a kind of photosensitive drums core charger according to claim 3, it is characterized in that: described film is the PU film.
5, a kind of photosensitive drums core charger according to claim 1 and 2, it is characterized in that: described charge sheet adopts conductive resilient material manufacturing.
6, a kind of photosensitive drums core charger according to claim 3, it is characterized in that: described charge sheet adopts conductive resilient material manufacturing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201471717U CN201259609Y (en) | 2008-09-02 | 2008-09-02 | Photosensitive drum core charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201471717U CN201259609Y (en) | 2008-09-02 | 2008-09-02 | Photosensitive drum core charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201259609Y true CN201259609Y (en) | 2009-06-17 |
Family
ID=40773847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201471717U Expired - Lifetime CN201259609Y (en) | 2008-09-02 | 2008-09-02 | Photosensitive drum core charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201259609Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106527082A (en) * | 2016-12-29 | 2017-03-22 | 珠海天威飞马打印耗材有限公司 | Cartridge |
| CN114815556A (en) * | 2022-04-13 | 2022-07-29 | 珠海市新意造科技有限公司 | Photosensitive drum core charger convenient to install |
-
2008
- 2008-09-02 CN CNU2008201471717U patent/CN201259609Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106527082A (en) * | 2016-12-29 | 2017-03-22 | 珠海天威飞马打印耗材有限公司 | Cartridge |
| CN114815556A (en) * | 2022-04-13 | 2022-07-29 | 珠海市新意造科技有限公司 | Photosensitive drum core charger convenient to install |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2159647B1 (en) | Roller, developing unit and image forming apparatus having the same, and method of manufacturing roller | |
| CN201259609Y (en) | Photosensitive drum core charger | |
| CN101893838B (en) | Processing box | |
| CN201259612Y (en) | A cleaning blade | |
| CN103092043B (en) | Cleaning doctor and handle box | |
| JP2011158905A (en) | Transfer unit in electrophoretic printer or copying device | |
| CN210402023U (en) | Image forming apparatus | |
| CN101477322A (en) | Image formation equipment | |
| CN2847337Y (en) | Developing roller for laser printer | |
| CN203166171U (en) | Conductive spring and processing box | |
| CN204903953U (en) | Selenium drum | |
| CN106527082A (en) | Cartridge | |
| CN201440203U (en) | Developing roller powder controlled scraper blade | |
| CN206331243U (en) | Powder box | |
| CN202196265U (en) | Charging device, develop box and image forming device | |
| CN102331702A (en) | Cleaning scraper | |
| US6885843B2 (en) | Wet electro-photographic printer having subsidiary intermediate transfer unit for improving transfer efficiency | |
| CN207268822U (en) | A kind of useless powder scraper plate for toner cartridge | |
| JP5040582B2 (en) | Image forming apparatus | |
| CN201965404U (en) | Developing roller and laser imaging device | |
| CN202331021U (en) | Scraper and processing box | |
| CN207067672U (en) | A kind of Shockproof toner cartridge | |
| CN103576498B (en) | Image processing system | |
| CN202018561U (en) | Driving mechanism for light sensitive element | |
| CN212160363U (en) | Developing roller for laser printing duplicator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN LEPUTAI TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHENZHEN LEPUTAI OFFICE EQUIPMENT PARTS CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 1-2, building 518173, building A, six deep pit bamboo industry zone, Henggang, Longgang, Guangdong, Shenzhen, China Patentee after: Shenzhen Leputai Technology Co., Ltd. Address before: 1-2, building 518173, building A, six deep pit bamboo industry zone, Henggang, Longgang, Guangdong, Shenzhen, China Patentee before: Shenzhen Leputai Office Equipment Parts Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090617 |