CN202794856U

CN202794856U - Processing box

Info

Publication number: CN202794856U
Application number: CN 201220330378
Authority: CN
Inventors: 晏梅; 邱海矶
Original assignee: Jiangxi Yibo Electronic Technology Co Ltd
Current assignee: Jiangxi Yibo Electronic Technology Co Ltd
Priority date: 2012-06-23
Filing date: 2012-06-23
Publication date: 2013-03-13
Anticipated expiration: 2022-06-23

Abstract

The utility model discloses a processing box which is detachably arranged on an imaging device, wherein the imaging device comprises a detecting unit; the processing box comprises a box body, a development roller, a protecting cover, a gear train and a counting mechanism; the counting mechanism comprises a gear part and a detecting part; the gear part is a full-tooth gear; and the gear part and the detecting part are separated. According the utility model, the counting mechanism comprises the gear part and the detecting part and the gear part is in direct gear meshing with a stirring frame, therefore, on the one hand, the problems that conventional processing boxes are difficult to manufacture and high in accuracy requirement are solved and on the other hand, users can easily reset and use the ultra-large-capacity processing box.

Description

Handle box

Technical field

The utility model relates to a kind of handle box that is releasably attached in the band printer.

Background technology

Imaging device, or claim electrophotographic imaging forming apparatus, image processing system, be the equipment that forms image by the electrophotographic image forming principle at recording materials.For example, electrophotographic copier, laser printer, electrophotographic printer (such as laser printer and LED printer etc.), facsimile recorder and word processor etc.Imaging device generally includes the handle box that detachably is arranged on the imaging device main body.

The handle box of existing imaging device divides two kinds, and a kind of is split type, and it comprises developing device and photosensory assembly; Another is integral type, and it is comprised of developing device and photosensory assembly.

The chief component of these two kinds of handle boxes is identical, comprises developing device and photosensory assembly, and developing device mainly comprises the powder storehouse, supplies powder roller and developer roll etc., and photosensory assembly mainly comprises photosensitive drums, charging roller and waste powder hopper etc.

Image-forming principle is identical, for: at first charhing unit is filled uniform predetermined charge with to photosensitive drum surface, then the photosensitive drums after the charging is exposed under the irradiation of laser and is formed electrostatic latent image, developer roll is given to photosensitive drums behind the electrostatic latent image with carbon powder supplying, form the macroscopic carbon dust image corresponding with electrostatic latent image in photosensitive drums, by transfer printing the carbon dust image is transferred on the recording medium subsequently, through photographic fixing image is fixed on the recording medium more at last, then discharges from imaging device and finish imaging operation.

Be a kind of split type handle box 100 that prior art CN 201110075937.1 discloses as shown in Figure 1 to Figure 3, it comprises box body (not marking on the figure), gear protecting cover 130, gear train and counting mechanism 120.

Gear train comprises: input gear 111, and it can receive the driving force of motor from imaging device; Developer roll gear 112, it is positioned at an end of development roll shaft and meshes with input gear 111; Powder feeding roller gear 113, it is positioned at an end of powder feeding roll shaft and meshes with input gear 111; Intermediate transfer gear 114, intermediate transfer gear 114 and input gear 111 engagements; With puddle support gear 115,

puddle support gear

115 and 114 engagements of intermediate transfer gear.

Counting mechanism 120 includes toothed portion and gearless part, have toothed portion can with puddle support gear 115 engagement, without toothed portion its can clearance fit with puddle support gear 115, be used for the power that disconnection passes over from puddle support gear 115.Also include a plurality of projections (121,122) on the counting mechanism 120, it be used for to cooperate pick-up unit of imaging device to come the capacity of carbon dust in the new and old and handle box of Check processing box.

As shown in Figure 3, include one first projection 116 on the puddle support gear 115, include the second projection 123 on the counting mechanism 120, the first projection 116 is used for cooperating with the second projection 123, make it have toothed portion never to be engaged to engagement with the puddle support gear with the rotation that drives counting mechanism 120, then can follow the puddle support gear to rotate together.

The handle box that prior art provides, it need to come to cooperate with projection on the counting mechanism by the projection on the puddle support gear could realize detection and tally function, its accuracy requirement to mould is very high, and production run is difficult to control, and the cost of handle box also correspondingly increases.

In addition, there are two kinds of differences to hold the handle box of the capacity of carbon dust in the prior art, even but maximum capacity can not satisfy client's needs, and the quality of other attrition component of handle box can allow to print two cycles to three above life-spans fully.But have a problem be, existing handle box namely allows to fill the carbon dust in two life-spans, but must take protecting cover apart when it resets, and then counting mechanism and puddle support gear is returned to initial position, and this is unfavorable for client's use very much.

The utility model content

A purpose of the present utility model provides a kind of handle box, to solve manufacturing difficulty, the high problem of accuracy requirement that exists in the existing handle box.

Another purpose of the present utility model provides the handle box that a kind of client resets easily.

Above-mentioned technical purpose of the present utility model adopts following technical scheme to be achieved:

A kind of handle box that is releasably attached to imaging device, described imaging device includes detecting unit, described handle box comprises: box body, developer roll, protecting cover and gear train, also include counting mechanism, described counting mechanism comprises gear parts and test section, described gear parts is the full-depth tooth gear, and described gear parts and described test section are splits.

It is cylindrical that described test section becomes substantially, and described test section is provided with shift fork, and the number of described shift fork is more than 1 or 2.

Also be provided with position-limit mechanism and lifting mechanism on the described protecting cover.

Described 1 or 2 has the radian of a shift fork as 100 °-170 ° in upper shift fork.

Be provided with convex surface on the described gear parts, be provided with a plurality of projections on the described test section, described a plurality of projections can be with described convex surface interference fit so that described test section can rotate with described gear parts.

Described lifting mechanism can make described a plurality of projection break away from described convex surface.

A kind of according to handle box described above, described counting mechanism can be carried out reset operation.

Be provided with alignment mark on described test section and the described protecting cover, described counting mechanism allows the radian of alignment error when carrying out reset operation be ± 30 °.

The handle box that the utility model provides is set to gear parts and test section by counting mechanism, gear parts directly with the engagement of puddle support gear, also cooperate with regard to no longer needing respectively at puddle support gear and counting mechanism projection to be set.On the one hand, solved manufacturing difficulty in the existing handle box, the problem that accuracy requirement is high; On the other hand, so that the user resets easily, use the handle box of vast capacity.

Description of drawings

In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do one to the accompanying drawing of required use in embodiment or the description of the Prior Art and introduce simply, apparently, accompanying drawing in the following describes is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.

Fig. 1 is prior art cartridge side view;

Fig. 2 is the side view that the prior art handle box removes the gear protecting cover;

Fig. 3 is the partial enlarged drawing of prior art handle box counting mechanism;

Fig. 4 is the structural representation of handle box provided by the utility model;

Fig. 5 is the STRUCTURE DECOMPOSITION figure of handle box provided by the utility model;

Fig. 6 is the structural representation of the counting structure of handle box provided by the utility model when being positioned at primary importance;

Fig. 7 is the structural representation of the counting structure of handle box provided by the utility model when being positioned at the second place;

Fig. 8 is the structural representation of protecting cover provided by the utility model;

Fig. 9 is the structural representation of counting mechanism provided by the utility model;

Figure 10 A-10C is the structural representation of the test section of different shift fork numbers provided by the utility model.

Embodiment

For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.

The structure of the handle box that the utility model provides hereinafter is described to Figure 10 with reference to Fig. 4.

The handle box 1 that present embodiment provides comprises box body 4, developer roll 2, protecting cover 3 and gear train 10.Wherein developer roll 2 is positioned at box body 4 front openings positions, and gear train 10 and protecting cover 3 are positioned at a side of box body.

Box body comprises powder storehouse and developing chamber (not marking on the figure).The powder storehouse is used for the storage carbon dust, and powder is provided with puddle support in the storehouse.Developing chamber is positioned at the front in powder storehouse, and it includes an aperture position place and axially is provided with developer roll 2, and box body also includes the two side, and developer roll 2 can rotate around the two side.

Gear train 10 comprises input gear 11, developer roll gear 12, powder feeding roller gear 13, intermediate transfer gear 14 and puddle support gear 15.

Input gear 11 directly meshes with developer roll gear 12, powder feeding roller gear 13 and intermediate transfer gear 14, and input gear 11 can pass to the driving force of accepting developer roll gear 12, powder feeding gear 13 and intermediate transfer gear 14 from imaging device.Intermediate transfer gear 14 also meshes with puddle support gear 15, can be with transmission of power to puddle support gear 15.

Protecting cover 3 includes: the support level of support teeth train (not marking on the figure), hole 30, stop portion 31 and lifting part 32.

The handle box 1 that present embodiment provides also includes counting mechanism 20, and counting mechanism 20 comprises gear parts 22 and test section 21.

Gear parts 22 comprises gear 26, axle 28 and convex surface 27.

Be provided with the installation position on the box body, installation position 17 can be by cooperating to support counting mechanism 20 with an end of axle 28.

Be provided with on the test section 21: shift fork (23,24), axle center hole 29.Shift fork in the utility model can be 1 (Figure 10 A) or more than 2 (Figure 10 B and Figure 10 C).

It is cylindric that test section 21 becomes substantially, and end also is provided with a plurality of projections 25 circumferentially on it.

Wherein the radian of the first shift fork 23 is A, is in particular 100 °≤A≤170 °.

Preferably, the shift fork of present embodiment is 2, the first shift fork 23 and the second shift fork 24.

The first shift fork 23 and the second shift fork 24 arrange around axle center hole 29, and wherein the arc length of the first shift fork 23 is greater than the second shift fork 24.

The counting mechanism 20 of the handle box 1 that the utility model provides, test section 21 is assembled into together by axle 28 cooperations of axle center hole 29 and gear parts 2, when a plurality of projections 25 of test section 21 and convex surface 27 engagement on the gear parts 22, test section 21 can be rotated with the rotation of gear parts 22; When a plurality of projections 25 did not mesh with convex surface 27, test section 21 just can not rotated with gear parts 22.

Handle box 1 provided by the utility model, the motion conditions of its counting mechanism 20 such as Fig. 6 are to shown in Figure 7.When being encased in handle box 1 provided by the utility model in the imaging device, gear 22 and the puddle support gear 15 of counting mechanism mesh, rotation along with the imaging device motor, the detecting unit that the first shift fork 23 is imaged device detects, rotation along with gear 26, the first shift fork 23 is rotated further through after the detecting unit, when the second shift fork 24 will be detected the unit and detect, owing to be provided with lifting curved surface 32 on the protecting cover 3, test section 21 will be along with curved surface rises, when just the second shift fork 24 was detected, the projection 25 of test section 21 was left the convex surface 27 of gear parts 22, has so also just finished the testing process of new handle box.

The handle box 1 that the utility model provides, when imaging device report expires serviceable life, only need handle box 1 is taken out from imaging device, then the test section 21 of counting mechanism 20 is rotated to precalculated position (position of test section and protecting cover subscript arrow) and then test section 21 pressed down just and can print again a life-span.

As shown in Figure 6, when reset count mechanism 20, allow the error range that is marked with on mark on the test section 21 and the protecting cover 3, particularly, for the center of circle with respect to test section 21 have radian poor ± B, B=30 °.

The handle box that the utility model provides can also be to be provided with flexible member between gear parts and test section, realizes separating and engagement.

By such scheme as can be known, the handle box that the utility model provides, be set to gear parts and test section by counting mechanism, direct and the puddle support gear engagement of gear part, also just no longer needing respectively at puddle support gear and counting mechanism projection to be set cooperates, solved on the one hand and made difficulty, the problem that accuracy requirement is high in the existing handle box; On the other hand, so that the user can reset easily, use the handle box of vast capacity.

It should be noted that at last: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit; Although with reference to previous embodiment the utility model is had been described in detail, 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 puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.

Claims

1. handle box that is releasably attached to imaging device, described imaging device includes detecting unit, described handle box comprises: box body, developer roll, protecting cover and gear train, it is characterized in that, also include counting mechanism, described counting mechanism comprises gear parts and test section, and described gear parts is the full-depth tooth gear, and described gear parts and described test section are splits.

2. handle box according to claim 1 is characterized in that, it is cylindrical that described test section becomes substantially, and described test section is provided with shift fork, and the number of described shift fork is more than 1 or 2.

3. handle box according to claim 2 is characterized in that, also is provided with position-limit mechanism and lifting mechanism on the described protecting cover.

4. handle box according to claim 3 is characterized in that, described 1 or 2 has the radian of a shift fork as 100 °-170 ° in upper shift fork.

5. handle box according to claim 4, it is characterized in that, be provided with convex surface on the described gear parts, be provided with a plurality of projections on the described test section, described a plurality of projections can be with described convex surface interference fit so that described test section can rotate with described gear parts.

6. handle box according to claim 4 is characterized in that, described lifting mechanism can make described a plurality of projection break away from described convex surface.

7. a described handle box according to claim 1～6 is characterized in that described counting mechanism can be carried out reset operation.

8. handle box according to claim 7 is characterized in that, is provided with alignment mark on described test section and the described protecting cover, and described counting mechanism allows the radian of alignment error when carrying out reset operation be ± 30 °.