CN201654466U - Power transmission device of printer - Google Patents
Power transmission device of printer Download PDFInfo
- Publication number
- CN201654466U CN201654466U CN2010201672323U CN201020167232U CN201654466U CN 201654466 U CN201654466 U CN 201654466U CN 2010201672323 U CN2010201672323 U CN 2010201672323U CN 201020167232 U CN201020167232 U CN 201020167232U CN 201654466 U CN201654466 U CN 201654466U
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- Prior art keywords
- power
- subjected
- driving head
- printer
- poewr transmission
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Abstract
The utility model relates to a power transmission device of a printer, which includes a photosensitive element, a power bearing port arranged inside the photosensitive element, and a driving head separable from the power bearing port, wherein a spring plate capable of transmitting power to the photosensitive element in the circumferential direction of the printer is arranged between the driving head and the power bearing port. The spring plate capable of transmitting power to the photosensitive element in the circumferential direction of the printer is arranged between the driving head and the power bearing port, so that the power is transmitted between the driving head and the power bearing port more flexibly, the torque is reduced relatively, and the driving head and the power bearing port are meshed more stably; moreover, the technical problems of the power transmission device of the traditional printer, such as bigger torque generated by the driving-power bearing port of the driving head, and unstable engagement of the power transmission mechanism are solved.
Description
Technical field
The utility model relates to image processing system, relates in particular to the actuating unit in the image processing system.
Background technology
The image forming apparatus 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,, utilize as the corona discharge mode evenly predetermined electric charge is filled with in the surface of photosensitive components such as photo-sensitive cell by charging device; In exposure, the photosensitive member surface of filling even predetermined charge with is carried out optionally exposure, by the place of exposure, because the light sensitive characteristic of photo-sensitive cell, resistance descends, so by the electric charge ground connection cancellation in the localities of exposure, promptly after the exposure, photosensitive member surface forms an electrostatic latent image that distribution characterized by electric charge corresponding to institute's desire formation image; 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.
The Poewr transmission mechanism of printer is that photo-sensitive cell can be provided with from the driving force that the printer driver head is accepted to rotate, to have a kind of be such to the Poewr transmission mechanism of printer in the prior art: photo-sensitive cell power is subjected to mouth to be provided with the spirality projection, and the printer driver head is provided with spiral groove, Poewr transmission mechanism is realized the transmission of revolving force by the spirality projection and the engagement of groove, thereby make photo-sensitive cell work, but to drive the torque ratio that power will produce by mouth bigger for the printer driver head in this Poewr transmission mechanism, and driving head and power are subjected to the engagement of mouth also to have certain limitation.
The driving head control gear of printer is that a controlling and driving axial stretching and photo-sensitive cell power are subjected to mouthful engagement and are provided with, it is to describe like this that a kind of flexible method of printer driver head of controlling is arranged in the prior art: in the process that opens or closes printer cover door, the cover door is controlled a rotary body by a connecting rod, there is an inclined-plane to control the retraction of printer driver head by rotation on the rotary body, the printer driver head is subjected to the recovery of elasticity after a spring is compressed to control it to eject, and then reach disengaging and the engagement that is subjected to mouthful with photo-sensitive cell power, this printer is realized by mechanism (rotary body inclined-plane) fully to the ejection of printer driving head and the control of retraction. this control gear mechanism more complicated, and transmission is stable inadequately, occurs making printer driver head and photo-sensitive cell power to be subjected to mouthful unsettled phenomenon of engagement easily.
The utility model content
The utility model provides a kind of printer power transmission, and bigger to solve the torque ratio that printer driver head driving power will be produced by mouth in the existing printer power transmission, power drive mechanism meshes unsettled technological deficiency.
The technical scheme that its technical matters that solves the utility model adopts is:
A kind of printer Poewr transmission mechanism, comprise that the power that is positioned at photo-sensitive cell is subjected to mouth and is used to drive the printer driver head that this power is subjected to mouth, it is characterized in that described driving head and power are subjected to also to be provided with between the mouth can give the shell fragment of described photo-sensitive cell transferring power along a printer driver circumferencial direction.
Described shell fragment is arranged on the described driving head, and described power is subjected to mouth to be provided with the draw-in groove that holds described driving head shell fragment.
Described shell fragment is arranged on described power and is subjected on the mouth, and described driving head is provided with and holds the draw-in groove that described power is subjected to mouthful shell fragment.
Described draw-in groove is square.
Described draw-in groove is subjected to mouthful setting of circumferencial direction rule along described power.
Described shell fragment can be subjected to mouth to conduct electricity for described photo-sensitive cell by described power.
Also comprise extension and contraction control mechanism, described extension and contraction control mechanism comprises: the battery valve of contactor, connecting circuit switch is connected the driving lever that the battery valve other end connects driving head with an end.
Described battery valve is provided with flexible member, and described flexible member is between battery valve and driving lever.
Described driving head is provided with flexible member and driven wheel, and described flexible member is between described driven wheel and described driving lever.
Described driven wheel is provided with gearset spacer.
Described driving head is provided with key, and described driven wheel is provided with the keyway of admitting described driving head key.
One end of described driving head is provided with the groove of admitting described driving lever.
After having adopted technique scheme, because being subjected to also to be provided with between the mouth, driving head and power can give the shell fragment of described photo-sensitive cell transferring power along a printer driver circumferencial direction, make driving head and power be subjected to the transmission of power between the mouth flexible more, not only moment of torsion can reduce relatively, and mesh more stablely, it is bigger to have solved the torque ratio that printer driver head driving power will be produced by mouth in the existing printer power transmission, the technical matters that the power drive mechanism engagement is stable.In addition, the telescopic moving of the battery valve of extension and contraction control mechanism by driving lever controlling and driving head, thereby engagement or disengaging that controlling and driving head and power are subjected to mouthful make power be subjected to mouthful simple in structure with the printer driver head, be easy to realization, and power transmission are stablized.
Description of drawings
Fig. 1 is the decomposition view of printer Poewr transmission mechanism among the utility model embodiment.
Fig. 2 is that the printer driver head stretches out constitutional diagram when being subjected to mouthful engagement with power among the utility model embodiment.
Fig. 3 is the constitutional diagram of battery valve energising among the utility model embodiment.
Fig. 4 is the constitutional diagram when the printer driver head shrinks among the utility model embodiment.
Fig. 5 is the constitutional diagram of battery valve outage among the utility model embodiment.
Fig. 6 is the stereographic map of printer driver head among the utility model embodiment.
Fig. 7 is that the utility model embodiment medium power is subjected to mouth to be assemblied in the interior stereographic map of photosensitive drums.
Embodiment
Also in conjunction with the accompanying drawings the utility model is described in further details below by concrete embodiment.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 1, the utility model printer Poewr transmission mechanism comprises: battery valve 1, driving lever 2, spring 11, contactor 3, lead-in wire 13, printer driver 4, spring 5, driven wheel 6, gearset spacer 7, power are subjected to mouthfuls 8.
Shown in Fig. 2-5, just describe the process of whole printer Poewr transmission mechanism below in detail, to open printer cover goalkeeper powder box installation and put in place, this moment, printer driver 4 was in along the axial retracted state of photosensitive drums 10, as shown in Figure 4.Close the printer cover door then, in the process of closing the printer cover door, press contactor 3 by the printer cover door, lead-in wire 13 is connected with extraneous power supply, the change of circuit state makes battery valve 1 work, battery valve 1 energising produces magnetic field, the magnetic force that produces by magnetic field is with A core 12 inspirations (as Fig. 3), thereby A core 12 drives the together inspiration of driving lever 2 that connects with it, making driving lever 2 stir printer driver 4 at last axially stretches out with power along powder box photosensitive drums 10 and is subjected to mouthful 8 engagements (as Fig. 2), finish printer driver 4 and power be subjected to mouthfuls 8 mesh after, the CD-ROM drive motor of printer begins to start, CD-ROM drive motor is delivered to driven wheel 6 with torque by speed reducing gear pair, by driven wheel 6 again by keyway 6a and key 4a with transmission of torque to printer driver 4, this moment, printer driver 4 was subjected to mouth 8 to be in engagement by metal clips 4b with cooperating of shell fragment groove 8b with power, this moment, metal clips 4b can be connected to photosensitive drums 10 conductions by the lead-in wire (not shown) in the mouth 8 by being arranged on power with photosensitive drums drum core (not shown), like this power be subjected to mouthfuls 8 just with transmission of torque to photosensitive drums 10, photosensitive drums 10 just can rotating print.After printing is finished, open the cover door, as Fig. 5, the printer cover door is cancelled pressing of contactor 3, circuit state is changed, the change of circuit state makes battery valve 1 work, the outage back is disappeared by the magnetic field that battery valve 1 produces, spring 11 recovers elasticity A core 12 is released (as Fig. 5), driving driving lever 2 simultaneously releases, stir printer driver 4 a axial retraction by driving lever 2 at last, make printer driver 4 and power be subjected to mouthfuls 8 to break away from engagement (as Fig. 4), so just can dismantle and changed the outfit cartridge along photosensitive drums 10.
Claims (12)
1. printer Poewr transmission mechanism, comprise that the power that is positioned at photo-sensitive cell is subjected to mouth and is used to drive the printer driver head that this power is subjected to mouth, it is characterized in that described driving head and power are subjected to also to be provided with between the mouth can give the shell fragment of described photo-sensitive cell transferring power along a printer driver circumferencial direction.
2. printer Poewr transmission mechanism as claimed in claim 1 is characterized in that, described shell fragment is arranged on the described driving head, and described power is subjected to mouth to be provided with the draw-in groove that holds described driving head shell fragment.
3. printer Poewr transmission mechanism as claimed in claim 1 is characterized in that described shell fragment is arranged on described power and is subjected on the mouth, and described driving head is provided with and holds the draw-in groove that described power is subjected to mouthful shell fragment.
4. according to claim 2 or 3 described Poewr transmission mechanisms, it is characterized in that described draw-in groove is square.
5. according to claim 2 or 3 described Poewr transmission mechanisms, it is characterized in that described draw-in groove is subjected to mouthful setting of circumferencial direction rule along described power.
6. according to claim 2 or 3 described Poewr transmission mechanisms, it is characterized in that described shell fragment can be subjected to mouth to conduct electricity for described photo-sensitive cell by described power.
7. according to claim 1 or 2 or 3 described Poewr transmission mechanisms, it is characterized in that, also comprise extension and contraction control mechanism, described extension and contraction control mechanism comprises: the battery valve of contactor, connecting circuit switch is connected the driving lever that the battery valve other end connects driving head with an end.
8. Poewr transmission mechanism according to claim 7 is characterized in that described battery valve is provided with flexible member, and described flexible member is between battery valve and driving lever.
9. Poewr transmission mechanism according to claim 7 is characterized in that described driving head is provided with flexible member and driven wheel, and described flexible member is between described driven wheel and described driving lever.
10. Poewr transmission mechanism according to claim 9 is characterized in that described driven wheel is provided with gearset spacer.
11. Poewr transmission mechanism according to claim 9 is characterized in that, described driving head is provided with key, and described driven wheel is provided with the keyway of admitting described driving head key.
12. Poewr transmission mechanism according to claim 7 is characterized in that, an end of described driving head is provided with the groove of admitting described driving lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201672323U CN201654466U (en) | 2010-04-16 | 2010-04-16 | Power transmission device of printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201672323U CN201654466U (en) | 2010-04-16 | 2010-04-16 | Power transmission device of printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201654466U true CN201654466U (en) | 2010-11-24 |
Family
ID=43119710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201672323U Expired - Lifetime CN201654466U (en) | 2010-04-16 | 2010-04-16 | Power transmission device of printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201654466U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221795A (en) * | 2010-04-16 | 2011-10-19 | 珠海赛纳打印科技股份有限公司 | Power transmission device of printer |
| 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 |
-
2010
- 2010-04-16 CN CN2010201672323U patent/CN201654466U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221795A (en) * | 2010-04-16 | 2011-10-19 | 珠海赛纳打印科技股份有限公司 | Power transmission device of printer |
| CN102221795B (en) * | 2010-04-16 | 2015-09-30 | 珠海赛纳打印科技股份有限公司 | A kind of power transmission device of printer |
| 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 | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHUHAI SEINE PRINTING TECHNOLOGY CO., LTD. Free format text: FORMER NAME: ZHUHAI SAINA TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 519075 Xiangzhou, Zhuhai, Pearl Road, North District, No. 63, No. Patentee after: Zhuhai Seine Printing Technology Co., Ltd. Address before: 519075 Xiangzhou, Zhuhai, Pearl Road, North District, No. 63, No. Patentee before: Zhuhai Saina Technology Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20101124 Effective date of abandoning: 20150930 |
|
| RGAV | Abandon patent right to avoid regrant |