CN201892823U - Photosensitive-drum driving assembly - Google Patents
Photosensitive-drum driving assembly Download PDFInfo
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- CN201892823U CN201892823U CN201020629788XU CN201020629788U CN201892823U CN 201892823 U CN201892823 U CN 201892823U CN 201020629788X U CN201020629788X U CN 201020629788XU CN 201020629788 U CN201020629788 U CN 201020629788U CN 201892823 U CN201892823 U CN 201892823U
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- drive assembly
- photosensitive drum
- drum
- transfering part
- power transfering
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Abstract
The utility model relates to a photosensitive-drum driving assembly, which comprises drum gear, a power transmitting part and a power receiving part, wherein the drum gear is arranged at the end part of a photosensitive drum and connected with the photosensitive drum, the power transmitting part is positioned in the drum gear, the power receiving part is arranged in the power transmitting part and used for receiving a driving force from a driving head of an image forming device, and a buffering and resetting mechanism is arranged between the drum gear and the power transmitting part. When the drum gear is driven by the driving head of the image forming device through the power receiving part and the power transmitting part, the drum gear can be reset and buffered through the buffering and resetting mechanism, and therefore the stress generated when the driving head of the image forming device is matched with the power receiving part is greatly decreased, and the technical problem that the power receiving part of a traditional photosensitive-drum driving assembly is easily damaged to influence transmission accuracy and efficiency is solved.
Description
Technical field
The utility model relates to a kind of drive assembly of photosensitive drum that is used for image processing system.
Background technology
Cartridge is the box in a kind of image processing system main frame of removably packing into, and this box includes an electronic photographic sensitive assembly as an integral unit and at least such as charger, developer, of the processor of clearer or the like and so on.Because cartridge is removably installed with respect to Device Host, therefore be convenient to the maintenance of equipment.Adopting the electrophotographic image of electrophotographic image forming mode to form device is work like this: the light by image processing system selectively exposes to the electronic photographic sensitive assembly of charger uniform charging and forms electrostatic latent image, this latent image becomes toner image by developer with toner development, formed toner image is transferred on the recording medium by the transfer printing device, to form image on recording materials.
As shown in Figure 1, disclose in the prior art a kind of on cartridge photosensitive drums driving head 17 and the power delivery mode between the image processing system driving head 18, the end of image processing system driving head 18 is provided with a spiral fashion triangular groove 18a, and being provided with a spiral helicine triangular hill 17a accordingly, the end of photosensitive drums driving head 17 cooperates transmission with above-mentioned triangular groove 18a, though this mode is transmission of drive force effectively, but spiral triangular hill 17a structure fabrication complex process, and the required cost of die sinking is than higher, the stress ratio that contact point is produced when cooperating with image processing system driving head 18 is bigger, the long-time back photosensitive drums driving head 17 that uses is easier to damage, and then influences transmission accuracy and efficient.
The utility model content
The utility model provides a kind of drive assembly of photosensitive drum, influences the technical matters of transmission accuracy and efficient with easy damage of power receiving portion that solves existing drive assembly of photosensitive drum.
In order to solve above technical matters, the technical scheme that the utility model is taked is:
A kind of drive assembly of photosensitive drum, comprise the drum gear that is arranged on the photosensitive drums end and is connected, be arranged in the power transfering part of drum gear and be arranged on the power receiving portion that described power transfering part is used for receiving from the image processing system driving head driving force with photosensitive drums, it is characterized in that, be provided with the buffering resetting-mechanism between described drum gear and the power transfering part.
Described power transfering part is provided with along the radially-protruding trundle of power transfering part, and described drum gear is provided with the strength of gear portion that cooperates with described trundle in the power transmission process.
Described buffering resetting-mechanism is an elastomeric element, described power transfering part is provided with support column, elastomeric element force column, described drum gear is provided with the elastomeric element reference column, described elastomeric element is wire-wrapped on the described support column and a free end is fixedlyed connected with described elastomeric element reference column, and another free end is positioned at elastomeric element force column one side.
Described trundle connects described power receiving portion and power transfering part regularly.
Described trundle, power receiving portion and power transfering part are formed in one.
Described power transfering part runs through drum gear, also is provided with draw-in groove on the described power transfering part, and described power transfering part is by the axial location of an axial location part and described draw-in groove clamping realization and described drum gear.
Described drive assembly of photosensitive drum axial location part is a jump ring.
Described elastomeric element is a torsion spring.
After having adopted technique scheme, owing to be provided with the buffering resetting-mechanism between drum gear and the power transfering part.The image processing system driving head can be by the buffering resetting-mechanism buffering that resets during by power receiving portion and power transfering part drive drum gear, reduced the stress that produced when the image processing system driving head cooperates with the power receiving portion greatly, the power receiving portion that has solved existing drive assembly of photosensitive drum is damaged easily and is influenced the technical matters of transmission accuracy and efficient.And reduced the photosensitive drums cost of manufacture, in the serviceable life of having improved photosensitive drums effectively, guaranteed the smooth transfer of driving force between photosensitive drums and the image processing system driving head.
Description of drawings:
Fig. 1 is the exploded view between image processing system driving head and the photosensitive drums driving head in the prior art;
Fig. 2 is the exploded view of drive assembly of photosensitive drum among the utility model embodiment;
Fig. 3 A is the three-dimensional diagrammatic sketch of drive assembly of photosensitive drum before drive assembly of photosensitive drum cooperates with image processing system among the utility model embodiment;
Fig. 3 B is the vertical view of drive assembly of photosensitive drum before drive assembly of photosensitive drum cooperates with the figure apparatus for converting among the utility model embodiment;
Fig. 3 C is that the image processing system driving head has just stretched out three-dimensional diagrammatic sketch when cooperating with drive assembly of photosensitive drum among the utility model embodiment;
Fig. 4 A is the three-dimensional diagrammatic sketch of drive assembly of photosensitive drum when image processing system driving head and drive assembly of photosensitive drum transmission among the embodiment in the utility model;
Fig. 4 B is the vertical view that drive assembly of photosensitive drum cooperates drive assembly of photosensitive drum when rotating in the utility model with image processing system;
Fig. 4 C is the three-dimensional diagrammatic sketch when the image processing system driving head drives the drive assembly of photosensitive drum transmission among the utility model embodiment;
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 2, the utility model drive assembly of photosensitive drum 10 comprises: be arranged on the drum gear 2 that photosensitive drums 1 end is connected with photosensitive drums 1; Be arranged in the power transfering part 3 of drum gear 2; Realize that between image processing system (not shown) and cartridge (not shown) driving force plays the elastomeric element 4 of buffering reset function when transmitting for one; One is arranged on the power receiving portion 5 that is used for receiving from the image processing system driving head driving force in the power transfering part 3; Fixedly connected power transfering part 3 and power receiving portion 5 and from the radially-protruding trundle 6 in power transfering part 5 two ends.Elastomeric element 4 is arranged on the support column 3a of power transfering part 3, the support column 3a of power transfering part 3 runs through drum gear 2, a free end 4a of elastomeric element 4 is fixed on the elastomeric element reference column 2a that is arranged on the drum gear 2, and another free end 4b is arranged on the side of the elastomeric element force column 3b on the power transfering part 3; Power receiving portion 5 is provided with power receiving portion reference column 5d, and power transfering part 3 is provided with the power receiving portion pilot hole 3d that holds power receiving portion reference column 5d, fixedly connected by trundle 6 between power acceptance division reference column 5d and the power receiving portion pilot hole 3d, this trundle 6 when driving force is transmitted can with the 2b of the strength of gear portion butt transmission of drive force that is arranged on the drum gear 2; In addition, the utility model drive assembly of photosensitive drum 10 also comprises and is arranged on the axial location part 7 that is used to realize drive assembly of photosensitive drum 10 axial location on the power transfering part 3, this axial location part 7 and draw-in groove 3c clamping on the power transfering part 3 of gear 2, in the present embodiment axially keeper 7 be the jump ring replacement.
Just specifically describe this concrete drive assembly of photosensitive drum 10 of reset function and whole driving force transmittance process between the image processing system driving head 8 of cushioning below, shown in Fig. 3 A and 3B, before realizing that driving force is transmitted, the elastomeric element force column 3b that is positioned in the drive assembly of photosensitive drum 10 on the power transfering part 3 can freely rotate in the H scope shown in Fig. 3 B under the restriction of its elastomeric element free end 4b and the 2b of strength of gear portion, thereby guaranteed that drive assembly of photosensitive drum 10 receives the optimum position of driving force at every turn from the image processing system (not shown), elastomeric element 4 used in the present embodiment is a torsion spring.
Shown in Fig. 3 C, when image processing system driving head 8 axially stretches out, power receiving portion 5 in image processing system driving head 8 and the drive assembly of photosensitive drum 10 at first can be in Fig. 3 C position combination, be positioned at elastomeric element force column 3b on the power transfering part 3 this moment among Fig. 3 B and begin free end 4b butt with elastomeric element 4, make whole drive assembly of photosensitive drum 10 under the effect of elastomeric element 4, be in pretension state soon, shown in Fig. 4 C, when 8 beginnings of image processing system driving head are rotated with the power receiving portion 3 in certain rotating speed drive drive assembly of photosensitive drum 10, this moment, drive assembly of photosensitive drum 10 can begin to overcome the elastic force of elastomeric element disposed thereon 4, last under the drive of image processing system driving head 8 with relatively with the slower acceleration startup of image processing system driving head 8, when radially two 2b of strength of gear portion of 6 beginnings of the trundle that stretches out of two ends and drum gear 2 begin butt from power transfering part 3, at this moment, image processing system driving head 8 will drive drive assembly of photosensitive drum 10 and photosensitive drums 1 with identical rotational speed, thereby has slowed down the impact that image processing system driving head 8 and drive assembly of photosensitive drum 10 is formed because of the formed impulsive force of image processing system driving head 8 high-speed rotation effectively between the two.Shown in Fig. 4 A and Fig. 4 B, in the process that image processing system driving head 8 and drive assembly of photosensitive drum 10 normal transmissions are turned round, elastomeric element 4 is in elastically-deformable pretension state all the time under the butt of power transfering part force column 3b, thus the latent lesion that has effectively prevented each instant impact that in the process of quickening or slowing down, is produced because of image processing system driving head 8 that image processing system driving head 8 and drive assembly of photosensitive drum 10 are formed between the two.
When image processing system is finished print out task, image processing system driving head 8 can axial retraction separate with drive assembly of photosensitive drum 10, this moment, drive assembly of photosensitive drum 10 meetings go back to the original position of Fig. 3 B from Fig. 4 B position under the acting force of its elastomeric element 4, so that next drive assembly of photosensitive drum 10 continues to cooperate the print out task of finishing next time with image processing system driving head 8.
In order to make that the assembly production process of photosensory assembly 10 is simpler in the foregoing description, the foregoing description medium power receiving portion 5, power acceptance division 3 and trundle 6 also can take integral type to make moulding, elastomeric element 4 also can use limiting components such as leaf spring, extension spring, and power receiving portion 3 also can directly be connected to the axial location that realizes drive assembly of photosensitive drum 10 in the drum gear 2.
Claims (8)
1. drive assembly of photosensitive drum, comprise the drum gear that is arranged on the photosensitive drums end and is connected, be arranged in the power transfering part of drum gear and be arranged on the power receiving portion that described power transfering part is used for receiving from the image processing system driving head driving force with photosensitive drums, it is characterized in that, be provided with the buffering resetting-mechanism between described drum gear and the power transfering part.
2. drive assembly of photosensitive drum as claimed in claim 1, it is characterized in that, described power transfering part is provided with along the radially-protruding trundle of power transfering part, and described drum gear is provided with the strength of gear portion that cooperates with described trundle in the power transmission process.
3. drive assembly of photosensitive drum as claimed in claim 1 or 2, it is characterized in that, described buffering resetting-mechanism is an elastomeric element, described power transfering part is provided with support column, elastomeric element force column, described drum gear is provided with the elastomeric element reference column, described elastomeric element is wire-wrapped on the described support column and a free end is fixedlyed connected with described elastomeric element reference column, and another free end is positioned at elastomeric element force column one side.
4. drive assembly of photosensitive drum as claimed in claim 2 is characterized in that, described trundle connects described power receiving portion and power transfering part regularly.
5. drive assembly of photosensitive drum as claimed in claim 2 is characterized in that, described trundle, power receiving portion and power transfering part are formed in one.
6. as claim 1 or 2 or 3 described drive assembly of photosensitive drum, it is characterized in that, described power transfering part runs through drum gear, also is provided with draw-in groove on the described power transfering part, and described power transfering part is by the axial location of an axial location part and described draw-in groove clamping realization and described drum gear.
7. drive assembly of photosensitive drum as claimed in claim 6 is characterized in that, described drive assembly of photosensitive drum axial location part is a jump ring.
8. drive assembly of photosensitive drum as claimed in claim 3 is characterized in that, described elastomeric element is a torsion spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020629788XU CN201892823U (en) | 2010-11-19 | 2010-11-19 | Photosensitive-drum driving assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020629788XU CN201892823U (en) | 2010-11-19 | 2010-11-19 | Photosensitive-drum driving assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201892823U true CN201892823U (en) | 2011-07-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020629788XU Expired - Lifetime CN201892823U (en) | 2010-11-19 | 2010-11-19 | Photosensitive-drum driving assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201892823U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102478769A (en) * | 2010-11-19 | 2012-05-30 | 珠海赛纳打印科技股份有限公司 | Photosensory drum driving assembly |
| CN103135385A (en) * | 2011-11-22 | 2013-06-05 | 珠海赛纳打印科技股份有限公司 | Driving assembly in processing box and processing box with same |
| CN105549369A (en) * | 2015-12-28 | 2016-05-04 | 珠海市润鑫打印耗材有限公司 | Driving assembly, and photosensitive drum and process cartridge containing same |
-
2010
- 2010-11-19 CN CN201020629788XU patent/CN201892823U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102478769A (en) * | 2010-11-19 | 2012-05-30 | 珠海赛纳打印科技股份有限公司 | Photosensory drum driving assembly |
| CN102478769B (en) * | 2010-11-19 | 2014-08-27 | 珠海赛纳打印科技股份有限公司 | Photosensory drum driving assembly |
| CN103135385A (en) * | 2011-11-22 | 2013-06-05 | 珠海赛纳打印科技股份有限公司 | Driving assembly in processing box and processing box with same |
| CN103135385B (en) * | 2011-11-22 | 2015-12-16 | 珠海艾派克科技股份有限公司 | Driven unit in a kind of handle box and comprise the handle box of this driven unit |
| CN105549369A (en) * | 2015-12-28 | 2016-05-04 | 珠海市润鑫打印耗材有限公司 | Driving assembly, and photosensitive drum and process cartridge containing same |
| CN105549369B (en) * | 2015-12-28 | 2022-08-05 | 珠海市润鑫打印耗材有限公司 | Drive assembly and contain response drum and processing box of this subassembly |
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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: 519000 No. 63 Mingzhu North Road, Xiangzhou District, Guangdong, Zhuhai 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: 20110706 |