CN201069514Y - Drive transfer part and processing box - Google Patents
Drive transfer part and processing box Download PDFInfo
- Publication number
- CN201069514Y CN201069514Y CNU2007200558600U CN200720055860U CN201069514Y CN 201069514 Y CN201069514 Y CN 201069514Y CN U2007200558600 U CNU2007200558600 U CN U2007200558600U CN 200720055860 U CN200720055860 U CN 200720055860U CN 201069514 Y CN201069514 Y CN 201069514Y
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- China
- Prior art keywords
- driving force
- transferring elements
- force transferring
- projection
- handle box
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- Expired - Fee Related
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Abstract
The utility model is related to a driving force transmission component and a processing box applying the component. The processing box comprises a photosensitive drum that is vertically arranged between the two side walls of the processing box with a vertical end stretching out of the side wall of the processing box. The driving force transmission component is arranged on the vertical end extending out of the side wall of the processing box and comprises an installation component; a salient extending out of one end of the installation component is a non-distorting and comprises a contact surface with horizontal grooves. By the non-distorting salient arranged on the driving force transmission component, the problem that the driving component of a printing machine is hindered when withdrawing from the printing machine can be solved. At the same time, the horizontal grooves on the contact surface can increase friction resistance during the printing process, and prevent the driving component from breaking way from the printing machine; therefore, the transmission is more stable and the printing quality is better.
Description
Technical field
The utility model relates to a kind of driving force transferring elements and handle box, relates in particular to a kind of be used for acceptance and the driving force transferring elements of transmission of drive force and the handle box that uses this driving force transferring elements on the electronic imaging device.
Background technology
Such as laser printer, laser copier, in the electronic imaging devices such as facsimile recorder, all removably be equipped with and be used for handle box that electrostatic latent image is developed, handle box wherein all comprises one or several parts in developer roll, photosensitive drums, powder feeding roller, puddle support, powder delivery cutter, the charging roller at least.Electronic imaging device rotates to realize print procedure by the corresponding component that drives in the handle box when work.
The type of drive of existing handle box mainly contains two kinds: a kind of is as U.S. Pat 4,829,335 handle boxes that disclose, and it is meshed by the cross helical gear on the photosensitive drums on the driving cross helical gear on the printer and the handle box, with the rotation photosensitive drums.Another kind is the handle box that discloses as Chinese patent 97119671, be provided with a driving force transferring elements in an end of handle box photosensitive drums, this driving force transferring elements is the projection of a non-distortion, and the engaging hole of driver part cooperates to accept and transmission of drive force and photosensitive drums is rotated on this projection and the printer.In the above-mentioned second way, it is cooperating of flat face between the engaging hole on the non-distortion projection of photosensitive drums end and the printer driver part, in use, because the effect of moment of torsion, the surface of contact between the non-distortion projection of printer driver parts engaging hole and handle box is deformed.After printing for a long time, the situation aggravation of surface of contact distortion, make the printer driver parts be easy to generate with handle box on the axial force that is separated of non-distortion projection, influence cooperating between the non-distortion projection on printer driver parts engaging hole and the handle box, the transmission of driving becomes unreliable.
In order to solve the problem that above-mentioned printer driver parts driving force transferring elements easy and handle box breaks away from, Chinese patent application 01142778 discloses a kind of handle box, disclosed handle box structure is roughly the same in this handle box and the Chinese patent 97119671, different places are, projection on the drive transmission member of this handle box is the projection of distortion, and the engaging hole of driver part also is the hole of twisting in the same way on the printer.When handle box is installed on the printer, distortion projection on the driving force transferring elements embeds in the engaging hole of printer driver parts, engaging hole is the cooperation of curved surface with twisting cooperating between the projection, engaging hole embeds between the projection with distortion and cooperates, printer driver parts and drive transmission member disengaging in the time of can avoiding rotating.But,, be difficult for taking out because the engagement that warp surface embeds mutually when handle box is taken out, need overcome the resistance that the mutual embedding engagement between them produces from printer; And through repetitious taking, even may make printer driver parts and handle box driving force transferring elements impaired, shorten serviceable life, improve customer using cost.
Summary of the invention
The purpose of this utility model provides a kind of can reducing wear and the reliable driving force transferring elements of transmission.
Another purpose of the present utility model provides and a kind ofly can reduce the handle box that part is impaired, guarantee print quality.
In order to realize above-mentioned first purpose, the driving force transferring elements that the utility model provides comprises: installation portion, and the projection from installation portion one end stretches out comprises surface of contact on the projection, described projection is the projection of anti-twist, is provided with the transverse groove line on surface of contact.
In order to realize above-mentioned second purpose, the handle box that the utility model provides comprises: photosensitive drums, photosensitive drums vertically are located between the handle box two side, and there is a vertical end to stretch out in outside the handle box sidewall, stretch out in photosensitive drums on the longitudinal end of handle box sidewall the driving force transferring elements is installed, described driving force transferring elements comprises: installation portion, the projection of stretching out from installation portion one end, comprise surface of contact on the projection, described projection is the projection of anti-twist, is provided with the transverse groove line on surface of contact.
According to the technical solution of the utility model, projection by the engaging hole reverse twist on setting and printer driver parts on the driving force transferring elements, make installation easily, when after the course of work finishes, withdrawing from, can not take place to be engaged on the process that withdraws from that causes in the engaging hole of printer driver parts and to be obstructed yet, thereby avoid damaging assembly because of the projection of rotating drive force transmission member embeds; And owing to be provided with the transverse groove line on the surface of contact of driving force transferring elements projection, the last ora terminalis buckle of giving prominence on the engaging hole of these transverse groove lines and distortion, thereby overcome the axial force that printer driver parts and handle box driving force transferring elements are separated that produces in the work rotation process, make transmission of power more reliable, guarantee print quality.
Description of drawings
Fig. 1 is the skeleton view of the utility model handle box;
Fig. 2 is the synoptic diagram with photosensitive drums of the utility model driving force transferring elements;
Fig. 3 is another angle partial enlarged drawing of Fig. 2;
Fig. 4 is the skeleton view of the utility model driving force transferring elements and printer driver parts;
Fig. 5 is the cut-open view along A-A line among Fig. 4;
Local enlarged diagram when Fig. 6 is the utility model driving force transferring elements and the engagement of printer driver parts.
The utility model is described in further detail below in conjunction with each figure and embodiment.
Embodiment
With reference to Fig. 1, the utility model handle box comprises powder storehouse 1 that holds carbon dust and the waste powder hopper 2 of collecting useless powder, is provided with assemblies such as photosensitive drums, puddle support, powder feeding roller in powder storehouse 1; Be provided with assemblies such as charging roller, cleaning doctor in the waste powder hopper 2.Link together by pin or other modes between powder storehouse 1 and the waste powder hopper 2.The structure of said modules and structure and conventional process box is roughly the same, does not do at this and gives unnecessary details.
Below in conjunction with Fig. 2 and Fig. 3 the utility model driving force transferring elements and handle box are further described.The utility model driving force transferring elements is one driving force is delivered to driving force transmission mechanism on the handle box from printer.As shown in Figure 1, the photosensitive drums of handle box is located in the powder storehouse 1 of handle box, and has a vertical end to stretch out in outside the handle box sidewall, stretches out on the outer longitudinal end of sidewall driving force transferring elements 3 is installed.Driving force transferring elements 3 comprises an installation portion 30, by this installation portion 30 driving force transferring elements 3 is installed on the photosensitive drums.Stretch out the projection 32 that is provided with a distortion from installation portion 30 1 sides, it is the xsect of equilateral triangle basically that this projection 32 can preferably have.Projection 32 comprises surface of contact 320 and the rib portion 321 of playing engagement torsion pass effect, and surface of contact 320 is provided with three row's transverse groove lines 322, and these transverse groove lines 322 approximately extend to the point midway of surface of contact 320 from an end of surface of contact 320.
With reference to Fig. 4, driving force transferring elements 3 by with printer on driver part 4 match with transmission of drive force, printer driver parts 4 are provided with an engaging hole 40, the shape of cross section of this engaging hole 40 also is roughly equilateral triangle, engaging hole 40 also is the hole of distortion, and for convenience of explanation, the direction that engaging hole 40 is twisted is defined as the forward distortion, at this moment, the distortion projection 32 on the driving force transferring elements 3 is reverse distortion with respect to engaging hole 40.When being installed to handle box on the printer, the driver part 4 of printer can match with the driving force transferring elements 3 of handle box.
As shown in Figure 5, the engaging hole 40 of driver part 4 is because the cause of distortion can form angle 41 between the diapire of engaging hole 40 and the sidewall, and the last ora terminalis 42 of engaging hole 40 is outstanding with respect to angle 41.In conjunction with Fig. 6, when driver part 4 and driving force transferring elements 3 are in engagement, the projection 32 of driving force transferring elements 3 is arranged in the engaging hole 40 of driver part 4, because projection 32 is opposite distortions with respect to engaging hole 40, projection 32 can not embed in the angle 41 of engaging hole 40, and projection 32 inlay cards are 40 li of engaging holes in the time of can avoiding withdrawing from.When handle box was started working, driver part 4 began to rotate, and the rib portion 321 of projection 32 closely contacts with the sidewall surfaces of engaging hole 40, accepts the driving force of driver part 4, driving force transferring elements 3 is and then rotated and then makes also rotation simultaneously of photosensitive drums.And in rotation process, make driving force transferring elements 3 break away from the axial force of printer driver parts 4 even produced, also can because of the transverse groove line on protruding 32 surface of contact 320 322 can with the last ora terminalis 42 of engaging hole 40 buckle mutually, the probability of disengaging is reduced, and by many row's transverse groove lines 322 are set, even first row's transverse groove line lost efficacy, other transverse groove line also can work, thereby in the rotation process when printer is worked, guaranteed the reliability of transmission.
Really, technical conceive of the present utility model is not limited in the foregoing description, can also obtain many different concrete schemes according to design of the present utility model, for example, transverse groove line on the driving force transferring elements projection can be provided with different row's numbers as required, and this driving force transferring elements not only can be used in transmission of drive force in the printer processes box, also can be used in the field that other need transmission of drive force, these minor alterations and equivalent transformation all should be included within the described scope of claim.
Claims (8)
1. driving force transferring elements, it comprises:
Installation portion;
Projection from installation portion one end stretches out comprises surface of contact on the projection;
It is characterized in that: described projection is the projection of anti-twist, is provided with the transverse groove line on surface of contact.
2. driving force transferring elements according to claim 1 is characterized in that: described transverse groove line approximately extends to the point midway of surface of contact from the surface of contact end.
3. driving force transferring elements according to claim 1 is characterized in that: described surface of contact is provided with three row's transverse groove lines.
4. driving force transferring elements according to claim 1 is characterized in that: described projection has the xsect that is roughly equilateral triangle.
5. handle box that adopts the described driving force transferring elements of claim 1 comprises:
Photosensitive drums, photosensitive drums vertically are located between the handle box two side, and have a vertical end to stretch out in outside the handle box sidewall;
It is characterized in that: described driving force transferring elements is installed on the longitudinal end that photosensitive drums stretches out in the handle box sidewall.
6. driving force transferring elements according to claim 5 is characterized in that: described transverse groove line approximately extends to the point midway of surface of contact from the surface of contact end.
7. driving force transferring elements according to claim 5 is characterized in that: described surface of contact is provided with three row's transverse groove lines.
8. driving force transferring elements according to claim 5 is characterized in that: described projection has the xsect that is roughly equilateral triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200558600U CN201069514Y (en) | 2007-08-16 | 2007-08-16 | Drive transfer part and processing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200558600U CN201069514Y (en) | 2007-08-16 | 2007-08-16 | Drive transfer part and processing box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201069514Y true CN201069514Y (en) | 2008-06-04 |
Family
ID=39490904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200558600U Expired - Fee Related CN201069514Y (en) | 2007-08-16 | 2007-08-16 | Drive transfer part and processing box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201069514Y (en) |
-
2007
- 2007-08-16 CN CNU2007200558600U patent/CN201069514Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080604 Termination date: 20160816 |