CN202126569U - Photosensitive drum driving component - Google Patents
Photosensitive drum driving component Download PDFInfo
- Publication number
- CN202126569U CN202126569U CN2011201899280U CN201120189928U CN202126569U CN 202126569 U CN202126569 U CN 202126569U CN 2011201899280 U CN2011201899280 U CN 2011201899280U CN 201120189928 U CN201120189928 U CN 201120189928U CN 202126569 U CN202126569 U CN 202126569U
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- China
- Prior art keywords
- power
- photosensitive drum
- drive assembly
- drum
- acceptance division
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Abstract
The utility model relates to a photosensitive drum driving component, which comprises a drum gear, a power receiving part and an elastic supporting part, wherein the drum gear is arranged at the end part of the photosensitive drum and is connected with the photosensitive drum, the power receiving part is arranged in the drum gear and is used for receiving the driving force from a driving head of an image forming device, and the elastic supporting part is arranged between the drum gear and the power receiving part. The photosensitive drum driving component is characterized in that a movable mechanism is arranged at the power receiving part. In the utility model, the power receiving part provided with the movable mechanism and the driving head of the image forming device are combined, so that the driving force can be transmitted with higher stability and higher efficiency, and the technical defect that a driving connector of the existing photosensitive drum driving component is easy to break away from the drum gear is solved.
Description
Technical field
The utility model relates to a kind of drive assembly of photosensitive drum that is used on the handle box.
Background technology
Handle box is that a kind of removably load map picture forms the box in the device main, 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 handle box 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 through image processing system selectively makes public to the electronic photographic sensitive assembly of charger uniform charging and forms electrostatic latent image; This sub-image becomes the toner picture by developer with toner development; Formed toner picture is transferred on the recording medium by the transfer printing device, on recording materials, to form image.
Usually, handle box is to work through the driving force that the drive assembly of photosensitive drum that is assemblied in photosensitive drums one end receives image processing system.Disclose a kind of handle box in the prior art, the drive assembly of photosensitive drum of its photosensitive drums end is to adopt ball formula universal joint to drive draw bail.This driving draw bail exists following not enough: ball formula universal joint is deviate from from gear easily, and particularly in transportation, this phenomenon more is prone to, and connects afunction or job insecurity and make to drive.
The utility model content
The utility model provides the drive assembly of photosensitive drum of a kind of dependable performance, working stability, to solve the easy technical matters of from drum gear, deviating from of driving connection part in the 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 and be arranged on the drum gear that the photosensitive drums end is connected with photosensitive drums; In drum gear, be used for accepting portion and being arranged on drum gear and power is accepted the elastic support member between the portion from the power that the image processing system driving head receives driving force, said power acceptance division is provided with movable device.
Said movable device is provided with two groups, and said movable device is distributed on the said power acceptance division about said power acceptance division axis symmetrically.
Said movable device comprises force block, holds the opening of force block and makes said force block be fixed on the connecting pin in the said opening, and said force block can be around said connecting pin rotation.
Said connecting pin is split pin.
The said power portion of acceptance is provided with power and receives mouth, power transfering part and connecting portion, said power receive mouth be provided with in tangent plane and outer tangent plane.
Said power acceptance division is provided with power transfering part, and said drum gear is provided with the power forced section that holds said power transfering part.
Said elastic support member is a compression spring, and an end of said compression spring is connected to the confined planes of said power acceptance division, and the other end is connected to the confined planes of said drum gear.
Also comprise an axial limiting element, said axial limiting element is connected in the said power acceptance division stopper slot.
Described limit element is a jump ring.
After having adopted technique scheme; Because drive assembly of photosensitive drum power acceptance division is provided with inside and outside tangent plane and movable part; So when photosensitive drums power acceptance division contacts with the image processing system driving head; Power is accepted can produce an axial force between the tangent plane and image processing system driving head inclined-plane so that power acceptance division retraction combines with the image processing system driving head outside the portion; When drive assembly of photosensitive drum separated with the image processing system driving head, the power portion of acceptance also can rely in it between tangent plane and image processing system driving head inclined-plane axial force to realize axial retraction and rely in the movable device force block to overturn and make drive assembly of photosensitive drum from the image processing system driving head, deviate from smoothly, therefore; In terms of existing technologies; The utility model drive assembly of photosensitive drum is simple in structure, and stable performance can realize the efficient transfer of driving force effectively.
Description of drawings:
Fig. 1 is the three-dimensional figure of drive assembly of photosensitive drum among the utility model embodiment;
Fig. 2 is the exploded view of drive assembly of photosensitive drum among the utility model embodiment;
Fig. 3 is the partial cross sectional views of drive assembly of photosensitive drum among the utility model embodiment;
Fig. 4 is the structural representation before drive assembly of photosensitive drum engages with figure apparatus for converting driving head among the utility model embodiment;
Fig. 5 A is the structural representation when the outer tangent plane of drive assembly of photosensitive drum contacts from image processing system head inclined-plane among the utility model embodiment;
Fig. 5 B is the partial enlarged view of A among Fig. 5 A;
Fig. 6 A is the structural representation when drive assembly of photosensitive drum engages with the image processing system driving head among the utility model embodiment;
Fig. 6 B is the partial enlarged view of B among Fig. 6 A;
Fig. 7 A is the structural representation when drive assembly of photosensitive drum and image processing system driving head break away among the utility model embodiment;
Fig. 7 B is the partial enlarged view of C among Fig. 7 A;
Fig. 8 is the structural representation of drive assembly of photosensitive drum when the image processing system driving head is deviate among the utility model embodiment;
Embodiment:
Below through concrete embodiment and combine accompanying drawing that the utility model is explained further details.Should be appreciated that specific embodiment described herein only in order to explain the utility model, does not limit the utility model.
Referring to Fig. 1-shown in Figure 3, the utility model drive assembly of photosensitive drum 10 comprises the drum gear 2 that is arranged on photosensitive drums 1 one ends, is positioned at drum gear 2; Be used for receiving the drive assembly of photosensitive drum power acceptance division 3 of driving force from image processing system; Power acceptance division 3 comprises that power receives a mouthful 3b, and power transfering part 3f and connecting portion 3a, power receive a mouthful 3b to be provided with outer tangent plane 3b1; Interior tangent plane 3b2 and two groups of movable devices that combine with the image processing system driving head; These two groups of movable devices are distributed on the power acceptance division about power acceptance division axis symmetrically, and this movable device comprises force block 3d, hold the opening 3c of force block 3d and make force block 3d be fixed on the connecting pin 3e among the opening 3c; Force block 3d can be around connecting pin 3e rotating certain angle, and connecting pin 3e adopts split pin in the present embodiment; Be provided with in the drum gear 2 and be used for receiving the forced section 2a of power transfering part 3f and be used to let power accept the gathering sill 2b that portion slides at gear 2; Can make drive assembly of photosensitive drum power acceptance division 3 realize the elastic support member 4 of axially reciprocating; Elastic support member 4 one ends are connected to power acceptance division confined planes 3a2; The other end is connected to drum gear confined planes 2c, and elastic support member 4 adopts compression spring to replace in this enforcement; Also comprise the limit element 5 that makes power acceptance division 3 realize axial limiting, limit element 5 is connected in power and accepts to realize the location of power acceptance division 3 on its axial direction on the draw-in groove 3a1 of portion, and limit element 5 adopts jump ring to replace in this enforcement.
Referring to Fig. 4-shown in Figure 8, below just combine diagram specifically to set forth drive assembly of photosensitive drum 10 to realize the whole process that driving forces are transmitted with image processing system driving head 20.(not shown) when photosensitive drums drive group 10 is initially packed image processing system into handle box; Drive assembly of photosensitive drum power acceptance division 3 keeps nature to stretch out state (as shown in Figure 4) under elastic support member 4 effects; Because power acceptance division 3 is provided with outer tangent plane 3b1; Image processing system driving head 20 is provided with inclined-plane 11; So when drive assembly of photosensitive drum power acceptance division 3 combines with image processing system driving head 20; Power accepts can produce between the tangent plane 3b1 and image processing system driving head inclined-plane 11 outside the portion axial force F 1 impel power acceptance division 3 axial retraction (shown in Fig. 5 A and 5B); Drive assembly of photosensitive drum driving head 3 just can accomplish smoothly and image processing system driving head 20 between coupling work (shown in Fig. 6 A); The wherein sidewall 3d1 of movable device force block 3d is connected to the sidewall 3c1 of movable device opening 3c at this moment; Another sidewall of movable device force block 3d is then by 12 butts of image processing system driving head drive division, and the axial distance on drum gear 2 is h (shown in Fig. 6 B) between image processing system driving head drive division 12 and the movable device connecting pin 3e, has avoided carrying out between image processing system driving head drive division 12 and the movable part force block 3d occurring when driving force is transmitted force block 3d like this and upset occurred and cause power to accept portion 3 from image processing system driving head 20, deviating from; In the present embodiment, be between about 0～3mm at the axial distance h on the drum gear 2 between drive division 12 and the movable device connecting pin 3e.Thereby last power acceptance division 3 passes to photosensitive drums with the driving force that receives through drum gear 2, accomplishes the transmission of power work that entire image forms apparatus system together with other gear set (not shown) at last.
Shown in Fig. 7 A-Fig. 7 B; When the image processing system task is accomplished; When handle box takes out from image processing system; Interior tangent plane 3b2 on the drive assembly of photosensitive drum power acceptance division 3 contacts with image processing system driving head inclined-plane 11 and can produce one and be parallel to an axial component F2 of drum gear 2; Component F2 impels power to accept portion's 3 axial retraction; Movable device force block 3d also contact and produced a component F3 and make force block 3d around connecting pin 3e rotation in the axial retraction motion process of its power acceptance division 3 with between the image processing system driving head drive division 12 this moment, make its with image processing system drive division 12 between break away from gradually and be coupled, drive assembly of photosensitive drum 10 can successfully deviate to get back to virgin state (as shown in Figure 8) from image processing system driving head 20 at last.
Above embodiment is only in order to the technical scheme of explanation the utility model, but not to its restriction; Although the utility model has been carried out detailed explanation with reference to previous embodiment; Those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of each embodiment technical scheme of essence disengaging the utility model of relevant art scheme.
Claims (9)
1. drive assembly of photosensitive drum; Comprise and be arranged on the drum gear that the photosensitive drums end is connected with photosensitive drums; In drum gear, be used for accepting portion and being arranged on drum gear and power is accepted the elastic support member between the portion from the power that the image processing system driving head receives driving force, it is characterized in that: said power acceptance division is provided with movable device.
2. drive assembly of photosensitive drum as claimed in claim 1 is characterized in that, said movable device is provided with two groups, and said movable device is distributed on the said power acceptance division about said power acceptance division axis symmetrically.
3. according to claim 1 or claim 2 drive assembly of photosensitive drum is characterized in that said movable device comprises force block, holds the opening of force block and makes said force block be fixed on the connecting pin in the said opening, and said force block can be around said connecting pin rotation.
4. drive assembly of photosensitive drum as claimed in claim 3 is characterized in that, said connecting pin is split pin.
5. according to claim 1 or claim 2 drive assembly of photosensitive drum is characterized in that, the said power portion of acceptance is provided with power and receives mouth, power transfering part and connecting portion, said power receive mouth be provided with in tangent plane and outer tangent plane.
6. drive assembly of photosensitive drum as claimed in claim 1 is characterized in that, said power acceptance division is provided with power transfering part, and said drum gear is provided with the power forced section that holds said power transfering part.
7. drive assembly of photosensitive drum as claimed in claim 1 is characterized in that, said elastic support member is a compression spring, and an end of said compression spring is connected to the confined planes of said power acceptance division, and the other end is connected to the confined planes of said drum gear.
8. drive assembly of photosensitive drum as claimed in claim 1 is characterized in that, also comprises an axial limiting element, and said axial limiting element is connected in the said power acceptance division stopper slot.
9. drive assembly of photosensitive drum as claimed in claim 8 is characterized in that, described limit element is a jump ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201899280U CN202126569U (en) | 2011-05-27 | 2011-05-27 | Photosensitive drum driving component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201899280U CN202126569U (en) | 2011-05-27 | 2011-05-27 | Photosensitive drum driving component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202126569U true CN202126569U (en) | 2012-01-25 |
Family
ID=45489635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201899280U Expired - Lifetime CN202126569U (en) | 2011-05-27 | 2011-05-27 | Photosensitive drum driving component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202126569U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103376696A (en) * | 2013-07-25 | 2013-10-30 | 珠海天威飞马打印耗材有限公司 | Torque transmission device, and processing box for laser printer |
| CN105807585A (en) * | 2016-05-30 | 2016-07-27 | 珠海天威飞马打印耗材有限公司 | Rotary force transmission assembly, photosensitive drum and processing box |
| WO2020038150A1 (en) * | 2018-08-20 | 2020-02-27 | 纳思达股份有限公司 | Power-receiving component and processing cartridge |
-
2011
- 2011-05-27 CN CN2011201899280U patent/CN202126569U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103376696A (en) * | 2013-07-25 | 2013-10-30 | 珠海天威飞马打印耗材有限公司 | Torque transmission device, and processing box for laser printer |
| WO2015010538A1 (en) * | 2013-07-25 | 2015-01-29 | 珠海天威飞马打印耗材有限公司 | Torque receiving assembly, photosensitive drum and processing cartridge |
| CN103376696B (en) * | 2013-07-25 | 2015-10-21 | 珠海天威飞马打印耗材有限公司 | Torque transmission, processing box for laser printer |
| CN105807585A (en) * | 2016-05-30 | 2016-07-27 | 珠海天威飞马打印耗材有限公司 | Rotary force transmission assembly, photosensitive drum and processing box |
| CN105807585B (en) * | 2016-05-30 | 2018-06-19 | 珠海天威飞马打印耗材有限公司 | Rotate force transfer unit, photosensitive drums and handle box |
| WO2020038150A1 (en) * | 2018-08-20 | 2020-02-27 | 纳思达股份有限公司 | Power-receiving component and processing cartridge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120125 |