The utility model content
The utility model in view of the above problems; Purpose is to provide a kind of image formation unit and toner cartridge; In the time of in being encased in the body of image processing system, do not need very big loading port, do not need very big body plenum yet; Can the size of other unit not limited yet, can make the body miniaturization of image processing system.
The technical scheme 1 of the utility model does; A kind of image formation unit; Can load and unload in the body that is installed in image processing system freely; This image formation unit is integrally formed by photoreceptor unit and developing cell; Be provided with the photoreceptor that keeps electrostatic latent image and toner imaging in the said photoreceptor unit; Be provided with the toner layer that covered of surface in the said developing cell and contact with said photosensitive surface and make the developer roll of toner development and the toner cartridge of toner is provided to this developer roll surface, being provided with of said photoreceptor unit away from the end face of said developing cell, make this image formation unit along intrinsic guide with the mode of rotation by developing cell to the order of the photoreceptor unit intrinsic handle of packing into.
The technical scheme 2 of the utility model does; Image formation unit according to technical scheme 1 record; The section perpendicular to the central axis of photoreceptor of said photoreceptor unit forms; Have outstanding laterally circular-arc curve from the bottom surface of said handle to the bottom surface of this photoreceptor unit, the section perpendicular to the central axis of photoreceptor of said developing cell forms, from having outstanding laterally circular-arc curve away from the end face of said photoreceptor unit to the bottom surface of this developing cell.
The technical scheme 3 of the utility model does, according to the image formation unit of technical scheme 1 record, said handle extends to the top away from the end face of said developing cell from said photoreceptor unit.
The technical scheme 4 of the utility model does, according to the image formation unit of technical scheme 1 record, said developing cell two side-prominent be provided with can with first locating shaft of said intrinsic guide sliding gomphosis.
The technical scheme 5 of the utility model does, according to the image formation unit of technical scheme 1 record, the central shaft of said photoreceptor is two side-prominent from image formation unit, as can with second locating shaft of said intrinsic guide sliding gomphosis.
The technical scheme 6 of the utility model is a kind of toner cartridge; Can load and unload in the body that is installed in image processing system freely; Be provided with the donor rollers that toner is provided in this toner cartridge; Being provided with of said toner cartridge away from the end face of said donor rollers, make this toner cartridge along intrinsic guide with the mode of the rotating intrinsic handle of packing into.
Because the utility model has adopted above-mentioned technical scheme; So image formation unit can insert in the less loading port of end face of body of image processing system; And with pack into the inside of body of the mode of rotating; Thereby do not need intrinsicly, need not improve yet, can make the body miniaturization of image processing system other unit than large space.
Embodiment
With reference to accompanying drawing, the embodiment of the utility model is described.
Fig. 1 is the sectional view of body of the image processing system that image formation unit is installed of the utility model.As shown in Figure 1, in the body 1 of image processing system, image formation unit 2 is installed, this image formation unit 2 can load and unload freely with respect to body 1.
Fig. 2 is the sectional view of the image formation unit of the utility model.Fig. 5 is the stereographic map of the image formation unit of the utility model.Like Fig. 2, shown in Figure 5, image formation unit 2 is integrally formed by photoreceptor unit 3 and developing cell 4, is provided with the photoreceptor 31 that keeps electrostatic latent image and toner imaging in the photoreceptor unit 3.Be provided with in the developing cell 4, the toner layer that the surface is covered makes the developer roll 41 of toner development with photoreceptor 31 surperficial contacts, and to these developer roll 41 surfaces the toner cartridge 42 of toner is provided.Rear end face in photoreceptor unit 3 promptly is provided with away from the end face of developing cell 4, make the guide 11 of this image formation unit 2 in the body 1 with the mode of rotating by developing cell 4 to the order of the photoreceptor unit 3 interior handle 5 of body 1 of packing into
Photoreceptor 31 is positioned at the preceding bottom of photoreceptor unit 3, and the central shaft of photoreceptor 31 extends along left and right directions.Developer roll 41, donor rollers 43 are positioned at the rear lower of developing cell 4, and the central shaft of developer roll 41, donor rollers 43 also extends along left and right directions.The toner of taking in the toner cartridge 42 is transported to the surface of developer roll 41 through donor rollers 43, forms the toner layer.This toner layer contacts with the surface of photoreceptor 31, and toner is developed on the surface of photoreceptor 31.Handle 5 extends from the rear end face up of photoreceptor unit 3.
The section perpendicular to the central axis of photoreceptor 31 of photoreceptor unit 3 forms, and the bottom surface from the bottom surface of handle 5 to this photoreceptor unit 3 has outstanding laterally circular-arc curve.The section perpendicular to the central axis of photoreceptor 31 of developing cell 4 forms, from front end face, promptly have outstanding laterally circular-arc curve away from the end face of photoreceptor unit 3 to the bottom surface of this developing cell 4.For example circular-arc curve can be R20mm.
Developing cell 4 two side-prominent be provided with body 1 in first locating shaft 45 of guide 11 () sliding gomphosis of the back.The central shaft of photoreceptor 31 is two side-prominent from image formation unit 2, as with body 1 in second locating shaft 32 of guide 11 sliding gomphosis.
Fig. 3 is the synoptic diagram that the image formation unit of the utility model inserts the state before the body of image processing system.Fig. 4 is the synoptic diagram that the image formation unit of the utility model inserts the state behind the body of image processing system.Fig. 6 is the toner round-robin synoptic diagram of the image formation unit of the utility model when inserting the body of image processing system.Like Fig. 3, shown in Figure 4, the end face of the body 1 of image processing system offers loading port 12, is provided with upper cover plate 15 at the rear of loading port 12.And the two side in body 1 is respectively equipped with guide 11.Guide 11 is used to guide the image formation unit 2 that inserts in the body 1; Comprise first gathering sill 13 and second gathering sill 14; First gathering sill 13, second gathering sill 14 extend to the inside of body 1 respectively with being arcuation from loading port 12, first gathering sill 13 is positioned at the oblique upper of second gathering sill 14.
In the time will inserting image formation unit 2 in the body 1, operating personnel control handle 5, image formation unit 2 is inclined to horizontal direction is 60 degree angles, and make photoreceptor unit 3 be positioned at the oblique upper of developing cell 4.
When inserting image formation unit 2 in the bodies 1, operating personnel utilize handle 5, make first locating shaft 45 and first gathering sill 13 chimeric, and slip into to the inside of body 1 along first gathering sill 13 according to the direction of the solid arrow of Fig. 3.And, because 15 pairs of image formation units 2 of upper cover plate of body 2 play barrier effect, so the operator can not can prevent operator's maloperation according to the direction of the dotted arrow of Fig. 3 with first locating shaft 45 and second gathering sill, 14 sliding gomphosis.
In addition, when first locating shaft 45 along first gathering sill 13 when the inside of body 1 is inserted into to a certain degree, second locating shaft 32 also is embedded in second gathering sill 14, inserts to the inside of body 1 along second gathering sill 14.At this moment, the operator can utilize handle 5, and image formation unit 2 is inserted to the inside of body 1 along first gathering sill 13 that is camber line, second gathering sill 14.Image formation unit 2 in inserting the process of body 1, from the state that is 60 degree angles with horizontal direction rotate gradually into the state of horizontal direction parallel.
Below, the technique effect that the structure in the foregoing description is brought describes.
In the above-described embodiments; Photoreceptor unit 3 be provided with handle 5 away from the end face of developing cell 4; Thereby when image formation unit 2 is encased in body 1, can makes developing cell 4 get in the body 1, and image formation unit 2 is got in the body 1 with the mode of rotating along guide 11 prior to photoreceptor unit 3; Thereby do not need bigger loading port 12, do not need the inner space of bigger body 1 yet.And, because image formation unit 2 gets in the body 1 with the mode of rotating, thus shown in the thick-line arrow among Fig. 6, the toner that near the toner the developer roll 41 that can promote to circulate and toner cartridge 42 are interior, thus the developing property of toner improved.
In addition; In the above-described embodiments; The section perpendicular to the central axis of photoreceptor 31 of photoreceptor unit 3 forms, and the bottom surface from the bottom surface of handle 5 to this photoreceptor unit 3 has outstanding laterally circular-arc curve, and the section perpendicular to the central axis of photoreceptor 31 of developing cell 4 forms; Bottom surface from front end face to this developing cell 4 is outstanding laterally circular-arc curve; Thereby image formation unit 2 is when getting into body 1, can not collide with body 1 other interior unit and insert leggiero, has prevented the damage of each unit.
In addition, in the above-described embodiments, handle 5 extends from the rear end face up of photoreceptor unit 3, so in the whole process that image formation unit 2 is inserted into body 1, the operator can both control handle 5, image formation unit 2 can easily be rotated.
In addition; In the above-described embodiments; Developing cell 4 two side-prominent be provided with body 1 in first locating shaft 45 of guide 11 sliding gomphosis; So image formation unit 2 is got in the body 1 according to fixed path, can not collide with other unit of 1 in the body, prevented the damage of each unit.
In addition, in the above-described embodiments, the central shaft of photoreceptor 31 is two side-prominent from image formation unit 2; As with body 1 in second locating shaft 32 of guide 11 sliding gomphosis; So image formation unit 2 is stably got in the body 1 according to fixed path, can not collide with other unit in the body 1, prevented the damage of each unit; And can utilize this body structure of photoreceptor 31 and need not to be provided with other keeper, thereby practice thrift manufacturing cost.
Above, the best example of the utility model is illustrated, but the utility model is not limited to said example.About concrete structure, in the scope of the aim that does not break away from the utility model, can carry out suitable change.
For example, in the above-described embodiments, handle installation 5 on image formation unit 2, make in image formation unit 2 packs body 1 by developing cell 4 into to the order of photoreceptor unit 3 with the mode of rotating along the guide 11 in the body 1.But the utility model is not limited thereto; Toner cartridge can be loaded and unloaded in the body that is installed to image processing system freely; The donor rollers that toner is provided is set in this toner cartridge; Being provided with on the end face away from donor rollers of toner cartridge, make this toner cartridge along intrinsic guide with the mode of the rotating intrinsic handle of packing into.
In addition, in the above-described embodiments, the central shaft of photoreceptor 31 as first locating shaft, and is provided with second locating shaft in addition.But the utility model is not limited thereto; Can be not yet with the central shaft of photoreceptor 31 as first locating shaft; And keeper is set in addition; These structures perhaps a keeper can only be set, the keeper more than three perhaps is set, as long as can make image formation unit 2 stably get in the body 1 according to fixed path.