CN203490467U - Processing box and image forming equipment - Google Patents
Processing box and image forming equipment Download PDFInfo
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- CN203490467U CN203490467U CN201320624472.5U CN201320624472U CN203490467U CN 203490467 U CN203490467 U CN 203490467U CN 201320624472 U CN201320624472 U CN 201320624472U CN 203490467 U CN203490467 U CN 203490467U
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- conductor
- electric
- developer roll
- electrically connected
- handle box
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Abstract
The utility model provides a processing box and image forming equipment. The processing box can be detachably arranged in the image forming equipment and comprises a powder box main body, a developing roller and a powder outlet knife which is used for adjusting thickness of a carbon powder layer on the developing roller and enabling the carbon powder to be in frictional electrification, wherein the powder outlet knife and the developing roller are electrically connected by a conductive piece. According to the utility model, an unstable developing roller voltage problem and a corresponding poor image quality problem caused by abrasion of a supporting frame matched with the developing roller in the existing processing box are solved.
Description
Technical field
The utility model relates to a kind of handle box and image forming apparatus.
Background technology
Dismountable handle box (also claiming Delevoping cartridge) being installed in the image forming apparatus such as duplicating machine and laser printer, in development imaging process, brought into play vital role, conventionally, handle box can include powder box main body, powder feeding roller, developer roll, powder outlet cutter, waste powder hopper, photosensitive drums and charging roller etc.An existing class handle box has been used the visualization way of non magnetic great-jump-forward, and wherein, the hollow cylindrical sleeve that developer roll (also claiming development sleeve) is normally formed by the metals such as aluminium, copper, stainless steel or alloy, carries non magnetic carbon dust thereon; Two ends at developer roll are symmetrically arranged with sheath, with control developer roll and photosensitive drum shaft between keep certain gap; Conventionally at this sleeve outer surface, be coated with the conductive coating with certain roughness and hardness, give the certain mechanical property of development sleeve and electrical property, by developer roll and powder outlet cutter are applied to certain development bias voltage, make the non magnetic carbon dust that carries on developer roll charged and transit to photosensitive drum surface, convert electrostatic latent image to visual image.In the prior art, the mode that developer roll is applied to development bias voltage as depicted in figs. 1 and 2, in powder box main body 1, be provided with powder outlet cutter 2 and developer roll 3, bracing frame 4 is for supporting the parts such as developer roll 3 and powder feeding roller (not shown), bracing frame 4 comprises main part 41 and back shaft 42, has an end 411 in main part 41.Conducting strip 5 is arranged on described end 411, and the protuberance 51 of one side contacts and form electrical connection with the contact in laser printer (not shown); The extension 52 of opposite side contacts and forms electrical connection with the end of powder outlet cutter 2, and the development bias voltage thus laser printer being provided is passed to powder outlet cutter 2.Support frame as described above 4 integral body consist of conductive material, it contacts cooperation towards the back shaft 42 of handle box inside and the sleeve lining of developer roll 3, make back shaft 42 form and be electrically connected to developer roll 3, like this, when supporting developer roll 3 rotary works, the development bias voltage that also makes conducting strip 5 receive is passed to developer roll 3.Thus, powder outlet cutter 2 and developer roll 3 can receive the development bias voltage that laser printer is supplied with simultaneously.
Yet, due to the long-term relative rotation of developer roll 3 with back shaft 42, the wearing and tearing that can cause back shaft 42 to exist to a certain degree, make itself and developer roll 3 loose contacts, thereby cause the spread of voltage on developer roll 3, finally affect carbon dust to the transition of photosensitive drum surface electrostatic latent image, cause occurring print quality defect.
Utility model content
The utility model provides a kind of handle box, to solve existing handle box, because developer roll causes back shaft to wear and tear with the long-term relative rotation of back shaft, causes the technical matters of the spread of voltage on developer roll.
In order to solve above technical matters, the technical scheme that the utility model is taked is:
A handle box, dismountable being installed in image forming apparatus, comprising:
Powder box main body;
Developer roll, is positioned at described powder box body interior, and its integral body is the cylindrical sleeve of a conduction, hollow;
The first electric-conductor, is positioned at described powder box body end, for support described developer roll and with described image shape
Forming apparatus forms and is electrically connected to;
It is characterized in that, also comprise the second electric-conductor, described the second electric-conductor comprises stiff end and free end, described in
Between stiff end and described the first electric-conductor, form and be electrically connected to, described free end contacts also with described developer roll
Form and be electrically connected to.
Described the second electric-conductor has elasticity.
The free end of described the second electric-conductor is connected to the sleeve lining of described developer roll and forms and be electrically connected to described developer roll.
Described the first electric-conductor is bracing frame, is positioned at the end of described powder box main body, comprises main part and back shaft, and described back shaft is used for supporting described developer roll and is electrically connected to its formation; The stiff end of described the second electric-conductor is fixed on described back shaft.
The injection mo(u)lding together with described back shaft of described the second electric-conductor.
The free end of described the second electric-conductor is overlapped in the sleeve surface of developer roll and forms and be electrically connected to described developer roll.
Described the first electric-conductor is bracing frame, is positioned at the end of described powder box main body, comprises main part and back shaft, and described back shaft is used for supporting described developer roll and is electrically connected to its formation; The stiff end of described the second electric-conductor is fixed in described main part.
Also comprise powder outlet cutter, form and be electrically connected to described the first electric-conductor; The stiff end of described the second electric-conductor is fixed on screw on the screw of powder outlet cutter, forms and is electrically connected to.
Described the second electric-conductor is sheet or thread.
The utility model also provides a kind of image forming apparatus, and described image forming apparatus comprises above-mentioned handle box.
After having adopted technique scheme, owing to having increased electric-conductor, between described powder outlet cutter and described developer roll, by described electric-conductor, form and be electrically connected to.When handle box is installed on after image forming apparatus, when the back shaft of developer roll is electrically connected to by support with powder outlet cutter, development bias voltage also can be passed to developer roll by powder outlet cutter by electric-conductor.Like this, cause developer roll is charged when bad when back shaft wearing and tearing, electric-conductor can be good at guaranteeing charged uniform and stable on developer roll.Solve existing handle box and caused the technical matters of the spread of voltage on developer roll because developer roll causes back shaft to wear and tear with the long-term relative rotation of back shaft.
Accompanying drawing explanation
The structural representation of Fig. 1,2 handle boxes for prior art use.
A kind of structural representation that Fig. 3 is the handle box that provides according to the utility model.
The another kind of structural representation that Fig. 4 is the handle box that provides according to the utility model.
The another kind of structural representation that Fig. 5 is the handle box that provides according to the utility model.
Fig. 6 is the side view of bracing frame in Fig. 5.
Embodiment
Embodiment of the present utility model is described with reference to the accompanying drawings.
Embodiment 1
The utility model provides a kind of handle box, dismountable being installed in image forming apparatus (as laser printer), as shown in Figure 3, Delevoping cartridge comprises powder outlet cutter 2 and developer roll 3, also comprise bracing frame 4, support frame as described above 4, as the first electric-conductor, is positioned at described powder box body end, for supporting described developer roll and forming and be electrically connected to described image forming apparatus; Between powder outlet cutter 2 and developer roll 3, set up the second electric-conductor 6, jointly to developer roll 3, provide development bias voltage with bracing frame 4.Second electric-conductor 6 of the present embodiment is conductive filament, and the second electric-conductor 6 comprises stiff end and free end, and processes by the second electric-conductor 6 is done to certain bending, and its stiff end is connected with powder outlet cutter 2, and free end is connected with developer roll 3.According to scheme of the present utility model, the stiff end of the second electric-conductor 6 is wound on screw (not shown) and is fixed on the screw of powder outlet cutter 2 with screw, forms and is electrically connected to; Free end is overlapped in the sleeve surface of developer roll 3 after bending, makes the sleeve surface of free end and developer roll 3 form Elastic Contact, not hinder the rotation of developer roll 3, and is electrically connected to its formation.
When handle box is installed on after laser printer (not shown), conducting strip 5 contacts and forms electrical connection with the contact in laser printer, the development bias voltage that the laser printer being received by conducting strip 5 is supplied with is passed to developer roll 3 via back shaft 42, meanwhile, development bias voltage also can be passed to developer roll 3 by powder outlet cutter 2 by the second electric-conductor 6.Like this, cause developer roll 3 chargings when bad when back shaft 42 wearing and tearing, the second electric-conductor 6 can be good at guaranteeing charged uniform and stable on developer roll 3.
The present embodiment provides the another kind of structure of handle box, dismountable being installed in image forming apparatus, as shown in Figure 4, between powder outlet cutter 2 and developer roll 3, set up the second electric-conductor 7, jointly to developer roll 3, provide development bias voltage with the bracing frame 4 as the first electric-conductor.Described the second electric-conductor 7 is a conducting strip, and other structure is identical with embodiment 1.
The present embodiment provides the another kind of structure of handle box, dismountable being installed in image forming apparatus, at least one second electric-conductor is arranged on for coordinating the back shaft of developer roll, the stiff end of described the second electric-conductor is fixed on described back shaft, free end is connected to the sleeve lining of developer roll by elastically-deformable restoring force, described the second electric-conductor can consist of the metal that can conduct electricity, plastics or elastomeric material, can be to have flexible conductive filament, conducting strip etc., its shape limit.As shown in Figure 5 and Figure 6, the back shaft 42 of the present embodiment adopts two symmetrical arc segment, coordinates with the sleeve lining of described developer roll 3, and the structure of back shaft 42 also can adopt other forms, on the circumference of back shaft 42, be distributed with two the second electric-conductors 8, injection mo(u)lding together with using same material with back shaft 42, the free end of described the second electric-conductor 8 is a projection, coupling part between free end and stiff end is for having certain thickness slab organization, this free end makes back shaft 42 and the sleeve lining of developer roll 3 form interference fit, after coordinating developer roll 3, there is elastic deformation in the stiff end of described the second electric-conductor 8 and the coupling part between free end, this free end can be connected to because of elastically-deformable restoring force the sleeve lining of developer roll 3, even if other mating part of back shaft 42 weares and teares, the second electric-conductor 8 also can keep stable being electrically connected to developer roll 3, other structure is identical with embodiment 1.
In sum, the handle box providing according to the utility model, by setting up the second electric-conductor between powder outlet cutter and developer roll or between back shaft and developer roll, can effectively avoid because of back shaft wearing and tearing cause to the developer roll unsettled defect of charging, so that good print image quality to be provided.
Those of ordinary skills are easy to just can expect, the second electric-conductor 6 or 7 is without powder outlet cutter 2, one end is connected with the main part 41 of bracing frame 4, the other end is connected with developing roller surface (being overlapped in the sleeve surface of developer roll 3), can realize equally charged uniform and stable on developer roll 3.
In the utility model, described developer roll 3, (sleeve that comprises developer roll 3) made by conductive material in its surface.
The feature of describing in an accompanying drawing of the present utility model or a kind of embodiment can combine with the feature shown in one or more other accompanying drawing or embodiment.It should be noted that for purposes of clarity, in accompanying drawing and explanation, omitted and the utility model expression and description irrelevant, parts known to persons of ordinary skill in the art.
Claims (10)
1. a handle box, dismountable being installed in image forming apparatus, comprising:
Powder box main body;
Developer roll, is positioned at described powder box body interior, and its integral body is the cylindrical sleeve of a conduction, hollow;
The first electric-conductor, is positioned at described powder box body end, for supporting described developer roll and forming and be electrically connected to described image forming apparatus;
It is characterized in that, also comprise the second electric-conductor, described the second electric-conductor comprises stiff end and free end, between described stiff end and described the first electric-conductor, forms and is electrically connected to, and described free end contacts and form electrical connection with described developer roll.
2. handle box as claimed in claim 1, is characterized in that, described the second electric-conductor has elasticity.
3. handle box as claimed in claim 1, is characterized in that, the free end of described the second electric-conductor is connected to the sleeve lining of described developer roll and forms and be electrically connected to described developer roll.
4. handle box as claimed in claim 3, is characterized in that, described the first electric-conductor is bracing frame, is positioned at the end of described powder box main body, comprises main part and back shaft, and described back shaft is used for supporting described developer roll and is electrically connected to its formation; The stiff end of described the second electric-conductor is fixed on described back shaft.
5. handle box as claimed in claim 4, is characterized in that, the injection mo(u)lding together with described back shaft of described the second electric-conductor.
6. handle box as claimed in claim 1, is characterized in that, the free end of described the second electric-conductor is overlapped in the sleeve surface of developer roll and forms and be electrically connected to described developer roll.
7. handle box as claimed in claim 6, is characterized in that, described the first electric-conductor is bracing frame, is positioned at the end of described powder box main body, comprises main part and back shaft, and described back shaft is used for supporting described developer roll and is electrically connected to its formation; The stiff end of described the second electric-conductor is fixed in described main part.
8. handle box as claimed in claim 7, is characterized in that, also comprises powder outlet cutter, forms and is electrically connected to described the first electric-conductor; The stiff end of described the second electric-conductor is fixed on screw on the screw of powder outlet cutter, forms and is electrically connected to.
9. the handle box as described in claim 1-8 any one, is characterized in that, described the second electric-conductor is sheet or thread.
10. an image forming apparatus, is characterized in that, comprises the handle box as described in claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320624472.5U CN203490467U (en) | 2013-10-10 | 2013-10-10 | Processing box and image forming equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320624472.5U CN203490467U (en) | 2013-10-10 | 2013-10-10 | Processing box and image forming equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203490467U true CN203490467U (en) | 2014-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320624472.5U Expired - Fee Related CN203490467U (en) | 2013-10-10 | 2013-10-10 | Processing box and image forming equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203490467U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353991A (en) * | 2015-07-17 | 2017-01-25 | 中山诚威科技有限公司 | Processing cartridge |
| CN107991844A (en) * | 2017-12-28 | 2018-05-04 | 珠海天威飞马打印耗材有限公司 | Powder box |
| CN108572528A (en) * | 2017-03-09 | 2018-09-25 | 纳思达股份有限公司 | A kind of method for remanufacturing of powder outlet cutter, Delevoping cartridge and Delevoping cartridge |
| CN108762023A (en) * | 2018-07-31 | 2018-11-06 | 广州奥盛电子科技有限公司 | A kind of toner cartridge of novel photoactive drum |
| CN110235063A (en) * | 2017-01-31 | 2019-09-13 | 兄弟工业株式会社 | Delevoping cartridge |
-
2013
- 2013-10-10 CN CN201320624472.5U patent/CN203490467U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353991A (en) * | 2015-07-17 | 2017-01-25 | 中山诚威科技有限公司 | Processing cartridge |
| CN106353991B (en) * | 2015-07-17 | 2019-07-23 | 中山诚威科技有限公司 | A kind of handle box |
| CN110235063A (en) * | 2017-01-31 | 2019-09-13 | 兄弟工业株式会社 | Delevoping cartridge |
| US11073785B2 (en) | 2017-01-31 | 2021-07-27 | Brother Kogyo Kabushiki Kaisha | Developing cartridge including supply roller, layer thickness regulation blade, and supply electrode electrically connected to both supply roller and layer thickness regulation blade |
| US11733643B2 (en) | 2017-01-31 | 2023-08-22 | Brother Kogyo Kabushiki Kaisha | Developing cartridge including supply roller, layer thickness regulation blade, and supply electrode electrically connected to both supply roller and layer thickness regulation blade |
| CN108572528A (en) * | 2017-03-09 | 2018-09-25 | 纳思达股份有限公司 | A kind of method for remanufacturing of powder outlet cutter, Delevoping cartridge and Delevoping cartridge |
| CN107991844A (en) * | 2017-12-28 | 2018-05-04 | 珠海天威飞马打印耗材有限公司 | Powder box |
| WO2019128637A1 (en) * | 2017-12-28 | 2019-07-04 | 珠海天威飞马打印耗材有限公司 | Toner cartridge |
| CN108762023A (en) * | 2018-07-31 | 2018-11-06 | 广州奥盛电子科技有限公司 | A kind of toner cartridge of novel photoactive drum |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151021 Address after: 6, 519075 A District, 4 buildings, 63 North Pearl Road, Zhuhai, Guangdong Patentee after: APEX TECHNOLOGY Co.,Ltd. Address before: 519075 Xiangzhou, Zhuhai, Pearl Road, North District, No. 63, No. Patentee before: ZHUHAI SEINE TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address |
Address after: 519075, Guangdong District, Xiangzhou, Zhuhai Avenue, No. 01, building 3883, 2 floor, 7 floor, B District, 02, 03, 04, 1, 2, 3, 4, 5, 05, Zhuhai Patentee after: NINESTAR Corp. Address before: 6, 519075 A District, 4 buildings, 63 North Pearl Road, Zhuhai, Guangdong Patentee before: APEX TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20211010 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |