CN202018561U - Driving mechanism for light sensitive element - Google Patents
Driving mechanism for light sensitive element Download PDFInfo
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- CN202018561U CN202018561U CN2011201182263U CN201120118226U CN202018561U CN 202018561 U CN202018561 U CN 202018561U CN 2011201182263 U CN2011201182263 U CN 2011201182263U CN 201120118226 U CN201120118226 U CN 201120118226U CN 202018561 U CN202018561 U CN 202018561U
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- photo
- sensitive cell
- driving head
- driving mechanism
- contact
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Abstract
The utility model relates to a driving mechanism for a light sensitive element, which comprises a driving head, a bulged flange and a conductive mechanism, wherein the driving head is used for receiving a driving force from an image forming device; the bulged flange is fixedly connected with the end part of the light sensitive element, drives the light sensitive element to rotate and has a ring-shaped end face; the conductive mechanism is used for electrically connecting the contacts on the image forming device and a light sensitive element aluminum substrate; the conductive mechanism and the driving head are arranged on the same side; and the driving head can axially rotate relative to the bulged flange. In the utility model, a small part of the volume in the image forming device is occupied, and when the driving head and the bulged flange provide rotating force for the light sensitive element, the driving head rotates axially relative to the bulged flange upon the startup of the image forming device, so that the driving head has large buffering action upon the startup; and thus, the instant impact of the driving head is reduced greatly, and the driving head is protected from being damaged.
Description
Technical field
The utility model relates to the handle box that a kind of image processing system is used, relate in particular in the handle box the photo-sensitive cell driving mechanism.
Background technology
The image processing system of electro photography such as laser printer are a kind of electrofax principles of utilizing, and through overcharging, exposure is developed at least, transfer printing, and fixing forms the equipment that forms image on medium such as the paper at image.
In charging process, evenly predetermined electric charge is filled with in the surface of photo-sensitive cell such as photosensitive drums by charging device; At exposure process, the photosensitive member surface of filling even predetermined charge with is optionally exposed, the place that is exposed, because the sensitometric characteristic of photo-sensitive cell, resistance descends, so the electric charge ground connection cancellation in the localities that is exposed, promptly after the exposure, photosensitive member surface formation one forms the electrostatic latent image that distribution characterized by electric charge of image corresponding to institute's desire; At developing process, by developing parts, developer that is used to form visual image such as carbon dust, the effect of mating reaction power such as electric field force is delivered on the electrostatic latent image of photosensitive member surface, and it is visual to make that above-mentioned electrostatic latent image obtains; In transfer process,, as transfer roll the developer on the photosensitive member surface electrostatic latent image is transferred to image and form on medium such as the paper by transfer device; At fixing, the developer of transferring on the image formation medium is secured on the image formation medium by fixing device.
Fig. 1 forms the synoptic diagram of electrostatic latent image for photo-sensitive cell, know by figure, photo-sensitive cell is in exposure process, being excited light-struck charge transport layer CTL partly becomes conductor, being excited light-struck charge generating layer CGL part then produces positive and negative charge, the negative charge neutralization of positive charge and photosensitive drum surface, negative charge and the aluminium base positive charge that comes from the earth produce neutralization, photosensitive member surface has the voltage of picture and text part to become near 0 volt, still do not keep original current potential and be excited light-struck part, at this moment, photosensitive member surface has just produced potential difference (PD), produces electrostatic latent image.
Fig. 2 is the photo-sensitive cell driving mechanism synoptic diagram that prior art adopted, know by figure, photo-sensitive cell driving mechanism 1 comprises: be used to receive driving head 1 from the image processing system driving force, driving force passed to the bulging flange 2 of photo-sensitive cell 10, driving head 1 and drum flange 2 integrated injection moldings, the photo-sensitive cell driving mechanism is fixedlyed connected with photo-sensitive cell 10 ends by the screens mode.Being used for conductive mechanism (not shown) that the conductive contact with the aluminium base and image processing system of photo-sensitive cell 10 is electrically connected is arranged on and the photo-sensitive cell driving mechanism other end of the photo-sensitive cell 10 of homonymy not, be that photo-sensitive cell 10 has realized that by conductive mechanism circuit is connected with image processing system, for exposure process provides positive charge.
The shortcoming that prior art exists:
1. conductive mechanism and photo-sensitive cell driven unit are arranged on the not homonymy of photo-sensitive cell, have increased the usage space of image processing system, have promptly increased the volume of image processing system, cause the increase of production cost.
2. driving head is one-body molded for photo-sensitive cell provides rotary power with the drum flange, because startup moment of image processing system is very big to the instant impact of driving head, is easy to damage driving head, the instability that causes driving force to be transmitted.
The utility model content
The utility model provides a kind of photo-sensitive cell driving mechanism, takies the big and easy damaged technical matters of driving head of volume in the image processing system to solve existing photo-sensitive cell driving mechanism.
In order to solve above technical matters, the technical scheme that the utility model is taked is:
A kind of photo-sensitive cell driving mechanism, comprise: be used to accept from the image processing system driving force driving head, be fixedly attached to the photo-sensitive cell end and drive photo-sensitive cell and rotate and have the bulging flange of annular end face and the aluminium base conductive mechanism that is electrically connected of contact on the image processing system and photo-sensitive cell, it is characterized in that, described conductive mechanism and described driving head are arranged on the same side, but described driving head is with respect to described bulging flange axial rotation.
Described conductive mechanism comprise the contact that can be connected with the image processing system contact with can with the conductor of the aluminium base band feeler of fixedlying connected that contact of photo-sensitive cell with photo-sensitive cell driving mechanism end.
The axial direction of described driving head is provided with through hole, and described contact one end is electrically connected with described conductor, and the other end is the free end that is positioned at described through hole.
Described conductive mechanism also comprises spring, and described spring is connected between described contact and the conductor, and described conductor is the conduction steel disc.
Described contact is screw form, and a wherein less end inserts in the described spring fixedlys connected with described spring.
Described bulging flange comprises the cylinder that is arranged on a center hollow, and described contact and spring are positioned at described cylinder, and described cylinder stretches in the described through hole.
Described bulging flange also comprises two fixed legs, and described conduction steel disc is provided with two and presses the hole, and described conduction steel disc presses hole and described two fixed legs to be fixed on described bulging flange end by described two.
Also comprise torsion spring, described torsion spring set is connected on the described cylinder, and described torsion spring two ends are connected to respectively on described driving head and the drum flange.
Described bulging flange comprises a pair of stop part that is arranged on radial symmetry on the inwall and is arranged on the scalloped recess of two radial symmetry distributions that the conductor side is installed that described driving head is provided with the limiting section of two radial symmetry; Also be provided with the buckle of a pair of radial symmetry on the described driving head, described driving head passes described scalloped recess and described bulging flange end face clamping by described buckle, and described torsion spring two ends are connected to respectively on described stop part and the described buckle.
After having adopted technique scheme, because conductive mechanism and driving head are arranged on the same side, but driving head is with respect to drum flange axial rotation.Therefore; but the startup moment driving head of image processing system makes driving head have buffer action starting moment with respect to drum flange axial rotation when taking the less and driving head of volume in the image processing system and providing rotary power with the drum flange for photo-sensitive cell; reduced the instant impact of driving head greatly; the protection driving head is not easy infringement, has solved existing photo-sensitive cell driving mechanism and has taken the big and easy damaged technical matters of driving head of the interior volume of image processing system.Secondly, because the axial direction of driving head is provided with through hole, contact one end is electrically connected with conductor, and the other end is the free end that is positioned at through hole.The split-type design of conductive mechanism and driving head, conductive mechanism can not be subjected to the influence of image processing system to the instant impact of driving head generation, thereby the conduction that has guaranteed photo-sensitive cell is good.At last, because conductive mechanism also is provided with spring, can overcome conductive mechanism in the axial direction by size or cooperate loose contact between caused and image processing system conductive contact, thereby the conduction that has guaranteed photo-sensitive cell is good.
Description of drawings
Fig. 1 forms the synoptic diagram of electrostatic latent image for existing photo-sensitive cell.
Fig. 2 is the synoptic diagram of existing photo-sensitive cell driving mechanism.
Fig. 3 is the photo-sensitive cell driving mechanism decomposing schematic representation that the utility model adopted.
Fig. 4 is the photo-sensitive cell driving mechanism sectional view that the utility model adopted.
Fig. 5 is the structural representation of drum flange in the utility model.
Fig. 6 is the synoptic diagram after conductive mechanism is assembled with the drum flange in the utility model.
Fig. 7 is the schematic perspective view of torsion spring in the utility model.
Fig. 8 is a conductive steel sheet assembling synoptic diagram in the utility model.
Fig. 9 is photo-sensitive cell and a photo-sensitive cell driving mechanism assembling synoptic diagram in the utility model.
Figure 10 is the vertical view of photo-sensitive cell driving mechanism in the utility model.
Embodiment
Fig. 3 is the photo-sensitive cell driving mechanism decomposing schematic representation that the utility model adopted, know that by figure the photo-sensitive cell driving mechanism comprises: be used to accept from the image processing system driving force driving head 3, make driving head 3 have buffering effect torsion spring 6, be fixedly attached to photo-sensitive cell 10 ends and drive photo-sensitive cell 10 and rotate and have the bulging flange 7 and a conductive mechanism of annular end face.Described conductive mechanism comprises: the contact 4, spring 5 that contacts and have screw form with mechanical contacts with the photo-sensitive cell 10 aluminium base conduction steel discs 8 that contact, the element that constitutes conductive mechanism is conductive material.Fig. 4 is known by figure that for the photo-sensitive cell driving mechanism sectional view that the utility model adopted the center of rotation of driving head 3 is provided with the buckle 3c of throughhole portions 3a, the limiting section 3b of two radial symmetry, a pair of radial symmetry and the location division 3d of a pair of radial symmetry.Fig. 5 is the structural representation of drum flange 7, know that by figure drum flange 7 comprises: a pair of stop part 7a, the cylinder 7b that is arranged on the rotation axis center hollow, limited block 7c, 2 identical fixed leg 7d (Fig. 6) and 2 scalloped recess 7e that radial symmetry distributes of being arranged on radial symmetry on the inwall.Fig. 6 is the synoptic diagram after conductive mechanism is assembled with the drum flange, know by figure, contact 4 and spring 5 are arranged in the cylinder 7b, one end of spring 4 is connected on the end face of conduction steel disc 8, the other end is socketed on the contact 4, conduction steel disc 8 is press-fit on the fixed leg 7d, receives structure in cylinder 7b end has and makes contact 4 be limited in axially moving in cylinder 7b.Fig. 7 is the schematic perspective view of torsion spring 6, and torsion spring 6 is socketed on the cylinder 7b, and two ends 6b, the 6a of torsion spring 6 is connected to respectively on end face 7a1 (Fig. 5) and the end face 3c1 (Fig. 4).As Fig. 8 and shown in Figure 9,2 buckle 3c pass 2 corresponding scalloped recess 7e respectively and are buckled on bulging flange 7 end faces at fixed leg 7d place, thereby have realized that driving head 3 is connected with bulging the axial of flange 7.Conduction steel disc 8 is provided with the pressure hole that is complementary with fixed leg 7d, and the end of conduction steel disc 8 is provided with and the photo-sensitive cell 10 aluminium base feeler 8a that contact.The conduction steel disc presses hole and described two fixed legs to be fixed on described bulging flange end by two.As shown in figure 10, " A " is the sense of rotation of photo-sensitive cell driving mechanism, by limiting section 3b and stop part 7a cooperation the axial rotation of driving head 3 with respect to drum flange 7 is limited in the buffer action scope, and will be delivered to bulging flange 7 from the driving force that image processing system receives simultaneously, the drum flange 7 driving force is delivered on the photo-sensitive cell 10 again, buffering range is: along " A " direction from limited block 7c to the arc length the stop part 7a in limited block 7c downstream; Driving head 3 is realized with respect to the radial location of rousing flange 7 by limiting section 3b and location division 3d.In sum, in the image processing system course of work, conductive contact in the image processing system touches contact 4, and the Lv Ji realization circuit of feeler 8a and the photo-sensitive cell 10 by spring 5 and conduction steel disc 8 is connected again, for the exposure process of photo-sensitive cell 10 provides positive charge.The driving force that driving head 3 receives from image processing system, end face 3c1 by buckle 3c passes to an end 6a with the torsion spring 6 of end face 3c1 butt with driving force, the other end 6b of torsion spring 6 passes to end face 7a1 with the stop part 7a of this end 6b butt with driving force, drum flange 7 passes to driving force photo-sensitive cell 10 again, thereby has realized the driving force of image processing system is delivered to the process of photo-sensitive cell 10.Driving head 3 can rotate around photo-sensitive cell 10 axis with respect to drum flange 7.
Claims (9)
1. photo-sensitive cell driving mechanism, comprise: be used to accept from the image processing system driving force driving head, be fixedly attached to the photo-sensitive cell end and drive bulging flange that photo-sensitive cell rotates and the aluminium base conductive mechanism that is electrically connected of contact on the image processing system and photo-sensitive cell, it is characterized in that, described conductive mechanism and described driving head are arranged on the same side, and described driving head can rotate around the photo-sensitive cell axis with respect to described bulging flange.
2. photo-sensitive cell driving mechanism as claimed in claim 1, it is characterized in that, described conductive mechanism comprise the contact that can be connected with the image processing system contact with can with the conductor of the aluminium base band feeler of fixedlying connected that contact of photo-sensitive cell with photo-sensitive cell driving mechanism end.
3. photo-sensitive cell driving mechanism as claimed in claim 2 is characterized in that the axial direction of described driving head is provided with through hole, and described contact one end is electrically connected with described conductor, and the other end is the free end that is positioned at described through hole.
4. photo-sensitive cell driving mechanism as claimed in claim 2 is characterized in that described conductive mechanism also comprises spring, and described spring is connected between described contact and the conductor, and described conductor is the conduction steel disc.
5. photo-sensitive cell driving mechanism as claimed in claim 4 is characterized in that described contact is screw form, and a wherein less end inserts in the described spring fixedlys connected with described spring.
6. photo-sensitive cell driving mechanism as claimed in claim 4 is characterized in that, described bulging flange comprises the cylinder that is arranged on a center hollow, and described contact and spring are positioned at described cylinder, and described cylinder stretches in the described through hole.
7. photo-sensitive cell driving mechanism as claimed in claim 6, it is characterized in that, described bulging flange also comprises two fixed legs, and described conduction steel disc is provided with two and presses the hole, and described conduction steel disc presses hole and described two fixed legs to be fixed on described bulging flange end by described two.
8. as arbitrary described photo-sensitive cell driving mechanism among the claim 1-7, it is characterized in that, described bulging flange comprises the cylinder that is arranged on a center hollow, described photo-sensitive cell driving mechanism also comprises torsion spring, described torsion spring set is connected on the described cylinder, and described torsion spring two ends are connected to respectively on described driving head and the drum flange.
9. photo-sensitive cell driving mechanism as claimed in claim 8, it is characterized in that, described bulging flange comprises a pair of stop part that is arranged on radial symmetry on the inwall and is arranged on the scalloped recess of two radial symmetry distributions that the conductor side is installed that described driving head is provided with the limiting section of two radial symmetry; Also be provided with the buckle of a pair of radial symmetry on the described driving head, described driving head passes described scalloped recess and described bulging flange end face clamping by described buckle, and described torsion spring two ends are connected to respectively on described stop part and the described buckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201182263U CN202018561U (en) | 2011-04-20 | 2011-04-20 | Driving mechanism for light sensitive element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201182263U CN202018561U (en) | 2011-04-20 | 2011-04-20 | Driving mechanism for light sensitive element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202018561U true CN202018561U (en) | 2011-10-26 |
Family
ID=44812230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201182263U Expired - Lifetime CN202018561U (en) | 2011-04-20 | 2011-04-20 | Driving mechanism for light sensitive element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202018561U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749820A (en) * | 2011-04-20 | 2012-10-24 | 珠海赛纳打印科技股份有限公司 | Photosensitive element driving mechanism |
-
2011
- 2011-04-20 CN CN2011201182263U patent/CN202018561U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749820A (en) * | 2011-04-20 | 2012-10-24 | 珠海赛纳打印科技股份有限公司 | Photosensitive element driving mechanism |
| CN102749820B (en) * | 2011-04-20 | 2015-09-02 | 珠海赛纳打印科技股份有限公司 | A kind of driving mechanism for light sensitive element |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: Zhuhai Aipeike Science and Technology Co Ltd Address before: 519075 Xiangzhou, Zhuhai, Pearl Road, North District, No. 63, No. Patentee before: Zhuhai Seine Printing Technology Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| 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: Nasida Limited by Share Ltd Address before: 6, 519075 A District, 4 buildings, 63 North Pearl Road, Zhuhai, Guangdong Patentee before: Zhuhai Aipeike Science and Technology Co Ltd |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111026 |