CN117492342B - Developing cartridge - Google Patents
Developing cartridge Download PDFInfo
- Publication number
- CN117492342B CN117492342B CN202311705255.3A CN202311705255A CN117492342B CN 117492342 B CN117492342 B CN 117492342B CN 202311705255 A CN202311705255 A CN 202311705255A CN 117492342 B CN117492342 B CN 117492342B
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- China
- Prior art keywords
- electrode
- cavity
- fixing piece
- cylindrical
- installation cavity
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- 239000000843 powder Substances 0.000 claims abstract description 60
- 238000009434 installation Methods 0.000 claims description 63
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 abstract description 23
- 239000010959 steel Substances 0.000 abstract description 23
- 238000010586 diagram Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
- G03G15/0865—Arrangements for supplying new developer
- G03G15/0867—Arrangements for supplying new developer cylindrical developer cartridges, e.g. toner bottles for the developer replenishing opening
Abstract
In the developing cartridge, a first electrode portion is restricted in a first mounting cavity by a first fixing member, the first electrode is attached to an inner wall surface of a first cylindrical cap from an end surface of an outer end of the first fixing member to an inner end of the first fixing member, and the first cylindrical cap is inserted into the first cylindrical cavity to protrude outward than the first cylindrical cavity and is inserted into a roller shaft end of a powder feeding roller; the second electrode part is limited in the second mounting cavity through the second fixing piece, the second electrode is attached to the inner wall surface of a second cylindrical cap from the end surface of the outer end of the second fixing piece to the inner end of the second fixing piece, and the second cylindrical cap protrudes outwards compared with the second cylindrical cavity after being inserted into the second cylindrical cavity and is inserted into the end of the developing roller shaft; the third electrode part is limited in the third mounting cavity through the third fixing piece, and the third electrode is attached to the surface of the connecting rod formed by protruding outwards from the end face of the outer end to the inner end of the third fixing piece compared with the third mounting cavity; the developing box does not need to be provided with complex conductive steel sheets, is convenient to install and operate, has high electrical connection stability, and ensures printing quality.
Description
Technical Field
The invention relates to the technical field of printing consumables, in particular to a developing box.
Background
The current developing box comprises three conductive steel sheets used for being combined with a conductive output part in printing equipment, wherein the three conductive steel sheets are fixedly arranged on the side end face of a developing box main body at intervals, firstly, the shaft end of a developing roller is fixed by installing a conductive support, the inner end of a first conductive steel sheet is electrically connected with the conductive support, the outer end of the first conductive steel sheet is electrically connected with the first conductive output part, the inner end of a second conductive steel sheet is electrically connected with a powder feeding roller shaft end, the outer end of the second conductive steel sheet is electrically connected with the second conductive output part, the inner end of a third conductive steel sheet is electrically connected with the end part of a powder thickness control knife, the outer end of the third conductive steel sheet is electrically connected with the third conductive output part, and an edge cover is further arranged on the side end face of the developing box main body to cover the conductive steel sheets, and only the end part electrically connected with the conductive output part in the printing equipment is exposed.
The conductive steel sheet in the prior art comprises a long steel sheet body, an inner end and an outer end, wherein the inner end is a short steel sheet bent relative to the steel sheet body, the outer end is a bent short steel sheet clamped into an opening of the side cover, on one hand, the conductive steel sheet bent at a plurality of positions in multiple directions is easy to deform, the processing technology and the mounting technology are both complex, and the operation is more complex; on the other hand, the inner end of the conductive steel sheet is rigidly connected with the developing roller, the powder feeding roller and the powder thickness control knife, the conductive steel sheet is easy to break away, and is also easy to collapse, and furthermore, if the conductive steel sheet is deformed and loosened, or the conductive steel sheet is slightly deviated in position, the electrical connection cannot be realized, so that the developing box cannot work normally.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the developing box, which is free from complex conductive steel sheets, convenient to install and operate, high in electrical connection stability and capable of ensuring the printing quality of the developing box.
The present invention provides a developing cartridge comprising: the developing box body is provided with a developing roller, a powder feeding roller and a powder thickness control knife; the side cover is provided with a first installation cavity, a second installation cavity and a third installation cavity on the inner side, wherein one end of the first installation cavity is communicated with the outer side of the side cover to form a first window, the other end of the first installation cavity is formed into a first cylindrical cavity, one end of the second installation cavity is communicated with the outer side of the side cover to form a second window, the other end of the second installation cavity is formed into a second cylindrical cavity, and one end of the third installation cavity is communicated with the outer side of the side cover to form a third window; the first electrode part comprises a first fixing piece and a first electrode, the first fixing piece is limited in the first mounting cavity, the end face of the outer end of the first fixing piece is exposed in the first window, the inner end of the first fixing piece is provided with a first cylindrical cap, the first cylindrical cap protrudes outwards and is inserted by the shaft end of the powder feeding roller compared with the first cylindrical cavity after being inserted into the first cylindrical cavity, and the first electrode is attached to the inner wall surface of the first cylindrical cap from the end face of the outer end of the first fixing piece; the second electrode part comprises a second fixing piece and a second electrode, the second fixing piece is limited in the second mounting cavity, the end face of the outer end of the second fixing piece is exposed in the second window, the inner end of the second fixing piece is provided with a second cylindrical cap, the second cylindrical cap protrudes outwards and is inserted by the shaft end of the developing roller compared with the second cylindrical cavity after being inserted into the second cylindrical cavity, and the second electrode is attached to the inner wall surface of the second cylindrical cap from the end face of the outer end of the second fixing piece; the third electrode part comprises a third fixing piece and a third electrode, the third fixing piece is limited in the third installation cavity, the end face of the outer end of the third fixing piece is exposed in the third window, the inner end of the third fixing piece protrudes outwards to form a connecting rod compared with the third installation cavity, the connecting rod is in butt joint with the side end of the powder thickness control knife, and the third electrode is attached to the surface from the end face of the outer end of the third fixing piece to the connecting rod.
In a preferred embodiment of the present invention, one end of the first installation cavity extends towards a first direction, and the other end extends towards a second direction, and the first installation cavity and the second installation cavity are intersected to form a first middle rotating part; one end of the second mounting cavity extends towards the first direction, the other end extends towards the second direction, and the second mounting cavity are crossed to form a second middle rotating part; one end of the third mounting cavity extends towards a third direction; wherein the first direction, the second direction, and the third direction intersect each other.
In a further preferred embodiment of the present invention, the inner ends of the third fixing members extend toward the fourth direction to form the connecting rod, and the fourth direction intersects with the first direction, the second direction and the third direction.
In a further preferred embodiment of the present invention, the distal end of the connecting rod protrudes and extends in the fourth direction to form a wedge portion, and the end surface of the distal end intersects with the inclined surface of the wedge portion to form an obtuse angle, and the side end of the powder thickness control blade abuts against the inclined surface of the wedge portion and/or the end surface of the distal end.
In a further preferred embodiment of the present invention, an inner cavity at one end of the first installation cavity is provided with a symmetrical convex buckle, the convex buckle is provided with a buckling slope, and the outer end of the first fixing piece slides over the buckling slope and then is buckled with the convex buckle.
In a further preferred embodiment of the invention, the first cylindrical cavity is provided with a through hole penetrating the side cover, and the bottom protrusion of the first cylindrical cap is inserted into the through hole for interference fit.
In a further preferred embodiment of the present invention, the outer end of the first fixing member includes an outer plate, a side plate and an intermediate plate, which are disposed perpendicular to each other, the outer plate is fastened to the male buckle, the intermediate plate extends in the first direction, and the side plate connects the outer plate and the intermediate plate.
In a further preferred embodiment of the present invention, the first electrode is a conductive film.
In a further preferred embodiment of the present invention, the side cover is further provided with a positioning portion and a connecting portion, the positioning portion and the connecting portion being distributed near an edge of the side cover, and surrounding electrode portions formed by the first electrode portion, the second electrode portion and the third electrode portion.
The present invention provides a developing cartridge comprising: the developing box body is provided with a developing roller, a powder feeding roller and a powder thickness control knife; the side cover is provided with a first installation cavity, a second installation cavity and a third installation cavity on the inner side, wherein one end of the first installation cavity is communicated with the outer side of the side cover to form a first window, the other end of the first installation cavity is formed into a first cylindrical cavity, one end of the second installation cavity is communicated with the outer side of the side cover to form a second window, the other end of the second installation cavity is formed into a second cylindrical cavity, and one end of the third installation cavity is communicated with the outer side of the side cover to form a third window; the first electrode is limited in the first mounting cavity, the end face of the outer end of the first electrode is exposed in the first window, the inner end of the first electrode is provided with a first cylindrical cap which is inserted by the shaft end of the powder feeding roller, and the first cylindrical cap protrudes outwards compared with the first cylindrical cavity after being inserted into the first cylindrical cavity; the second electrode is limited in the second mounting cavity, the end face of the outer end of the second electrode is exposed in the second window, the inner end of the second electrode is provided with a second cylindrical cap which is inserted by the shaft end of the developing roller, and the second cylindrical cap protrudes outwards compared with the second cylindrical cavity after being inserted into the second cylindrical cavity; the end face of the outer end of the third electrode is exposed in the third window, the inner end of the third electrode protrudes outwards compared with the third mounting cavity to form an electric connecting rod, and the electric connecting rod is abutted with the side end of the powder thickness control knife.
Compared with the prior art, the invention has the beneficial effects that:
The developing box provided by the invention is characterized in that the electrode part is arranged in the side cover and then the side cover is connected to the side end of the developing box body, specifically, a first mounting cavity is arranged on the inner side of the side cover, the first electrode part is limited in the first mounting cavity through a first fixing piece, the first electrode is attached to the inner wall surface of a first cylindrical cap from the end surface of the outer end of the first fixing piece to the inner end of the first fixing piece, the first electrode is attached to the end surface of the outer end of the first fixing piece so as to be electrically connected with a printer conducting part, the first electrode is attached to the inner wall surface of the first cylindrical cap at the inner end of the first fixing piece, the first cylindrical cap is inserted into the shaft end of a powder feeding roller in an outward protruding manner compared with the first cylindrical cavity, and the first electrode attached to the inner wall surface of the first cylindrical cap is fully and stably contacted with the shaft end of the powder feeding roller so as to realize the electric connection with the powder feeding roller; the fixing piece attached with the electrode is stably arranged in the side cover, so that the electrode is stably connected with the printer conducting part and the powder feeding roller, and high electrical connection stability is realized;
The second electrode part is limited in the second mounting cavity through a second fixing piece, the second electrode is attached to the inner wall surface of a second cylindrical cap from the end surface of the outer end of the second fixing piece to the inner end of the second fixing piece, the second electrode is attached to the end surface of the outer end of the second fixing piece so as to be electrically connected with the printer conducting part, the second electrode is attached to the inner wall surface of the second cylindrical cap at the inner end of the second fixing piece, the second cylindrical cap is inserted into the second cylindrical cavity and protrudes outwards compared with the second cylindrical cavity to be inserted into the shaft end of the developing roller, and the second electrode attached to the inner wall surface of the second cylindrical cap is fully and stably contacted with the shaft end of the developing roller so as to realize the electric connection with the developing roller; the fixing piece attached with the electrode is stably arranged in the side cover, so that the electrode is stably connected with the printer conducting part and the developing roller, and high electrical connection stability is realized;
A third mounting cavity is formed in the inner side of the side cover, the third electrode part is limited in the third mounting cavity through a third fixing piece, the third electrode is attached to the surface of a connecting rod formed by protruding outwards from the end face of the outer end of the third fixing piece to the inner end of the third fixing piece compared with the third mounting cavity, the third electrode is attached to the end face of the outer end of the third fixing piece so as to be electrically connected with the printer conducting part, and the third electrode is attached to the surface of the connecting rod and is abutted to the side end of the powder thickness control knife, so that the electric connection with the powder thickness control knife is realized; the fixing piece attached with the electrode is stably arranged in the side cover, so that the electrode is fully and stably abutted with the printer conducting part and the powder thickness control knife, and high electrical connection stability is realized;
this developing box need not to set up complicated electrically conductive steel sheet, has stably installed the mounting that the laminating has the electrode in the side cap, and not only installation convenient operation still makes electrode and printer conductive part, send powder roller, developing roller and powder thick control sword abundant and stable the connection, and electric connection stability is high, guarantees the print quality of developing box.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure and/or process particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
FIG. 1 is a partially exploded view of a developing cartridge according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a side cover according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
fig. 4 is a schematic structural diagram of a side cover according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a side cover (after a fixing member is installed) according to an embodiment of the present invention;
fig. 6 is a schematic exploded view of a side cover (after an electrode portion is mounted) according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a first electrode portion connected to a powder feeding roller and a second electrode portion connected to a developing roller according to a first embodiment of the present invention;
FIG. 8 is a schematic diagram of a third electrode portion connected to a blade for controlling thickness of powder according to an embodiment of the present invention;
FIG. 9 is an enlarged view of a portion of FIG. 8 at B;
fig. 10 is a schematic exploded view of a side cover (after an electrode is mounted) according to a second embodiment of the present invention;
Reference numerals illustrate:
100-developing cartridge, 100 a-developing cartridge body, 100 a-1-inclined positioning groove, 100 a-2-second column;
10-developing roller, 10 a-developing roller shaft end;
20-powder feeding roller and 20 a-powder feeding roller shaft ends;
30-powder thickness control knife and 30 a-side knife end;
40-side cover, 41-first mounting cavity, 411-first window, 411 a-male buckle, 411 a-1-snap-in ramp, 412-first cylindrical cavity, 412 a-perforation, 413-first transfer portion, 42-second mounting cavity, 421-second window, 422-second cylindrical cavity, 422 a-perforation, 423-second transfer portion, 43-third mounting cavity, 431-third window, 432-securing cavity, 432 a-perforation, 44-securing portion, 44 a-angled securing aperture, 44 b-first post, 45-connecting portion;
50-first electrode part, 51-first fixing piece, 511-outer end, 511-1-outer plate, 511-2-side plate, 511-3-middle plate, 512-first cylindrical cap, 512 a-inner wall surface and 52-first electrode;
60-second electrode part, 61-second fixing piece, 611-outer end, 612-second cylinder cap, 612 a-inner wall surface, 62-second electrode;
70-third electrode part, 71-third fixing piece, 711-outer end, 712-inner end, 712 a-bottom protrusion, 713-connecting rod, 713 a-outer wall surface, 713 a-1-end surface, 7131-wedge part, 7131-1-inclined surface, 72-third electrode;
500-a first electrode, 501-an outer end, 502-a third cylinder cap, 502 a-an inner wall surface;
600-a second electrode, 601-an outer end, 602-a fourth cylinder cap, 602 a-an inner wall surface;
700-third electrode, 701-outer end, 702-electric connection rod, 702 a-outer wall;
Detailed Description
The following will describe embodiments of the present invention in detail with reference to the drawings and examples, thereby solving the technical problems by applying technical means to the present invention, and realizing the technical effects can be fully understood and implemented accordingly. It should be noted that these specific descriptions are only for easy and clear understanding of the present invention by those skilled in the art, and are not meant to be limiting; for example, the first and second embodiments of the present invention are not limited thereto, but are merely for describing serial numbers of a plurality of identical or similar devices and mechanisms, and those skilled in the art may readjust the serial numbers for convenience of description or in the technical scheme arranging process; and various embodiments have been described with alternatives to some of the mechanisms, and these alternatives may be applied to other identical or similar devices, mechanisms; and as long as no conflict is formed, each embodiment of the present invention and each feature of each embodiment may be combined with each other, and the formed technical solutions are all within the protection scope of the present invention.
The following describes the technical scheme of the invention in detail through the attached drawings and specific embodiments:
Example 1
Referring to fig. 1 to 9, the present embodiment provides a developing cartridge 100, the developing cartridge 100 including a developing cartridge body 100a mounted with a developing roller 10, a powder feeding roller 20 and a powder thickness controlling blade 30, and a side cover 40 mounted with a first electrode part 50, a second electrode part 60 and a third electrode part 70 on an inner side, the side cover 40 being connected to one side end of the developing cartridge body 100 a.
The inner side of the side cover 40 is provided with a first mounting cavity 41, a second mounting cavity 42 and a third mounting cavity 43, specifically:
One end of the first mounting cavity 41 communicates with the outside of the side cover 40 to form a first window 411, and the other end forms a first cylindrical cavity 412 for stably mounting the first electrode part 50.
The first electrode part 50 includes a first fixing member 51 and a first electrode 52, wherein the first electrode 52 in this embodiment is a conductive film, preferably a conductive copper film with a thickness of 0.5mm-3.5mm, the first fixing member 51 is limited in the first mounting cavity 41, an outer end face of an outer end 511 of the first fixing member 51 is exposed in the first window 411, an inner end of the first fixing member 51 is provided with a first cylindrical cap 512, the first cylindrical cap 512 is inserted into the first cylindrical cavity 412 and protrudes outwards from the outer end face of the outer end 511 of the first fixing member 51 to an inner wall face 512a of the first cylindrical cap 512 compared with the first cylindrical cavity 412, the first electrode 52 is attached to the inner wall face 512a of the first cylindrical cap 512 from the outer end face of the outer end 511 of the first fixing member 51, and the attachment can be achieved by glue adhesion, namely, the conductive film is attached to the outer end face of the outer end of the first fixing member 51 to the inner wall face 512a of the first cylindrical cap 512.
The second mounting cavity 42 is disposed adjacent to the first mounting cavity 41, and one end of the second mounting cavity 42 communicates with the outside of the side cover 40 to form a second window 421, and the other end forms a second cylindrical cavity 422 for stably mounting the second electrode portion 60.
The second electrode part 60 includes a second fixing member 61 and a second electrode 62, wherein the second electrode 62 in this embodiment is a conductive film, preferably a conductive copper film with a thickness of 0.5mm-3.5mm, the second fixing member 61 is limited in the second mounting cavity 42, an outer end face of an outer end 611 of the second fixing member 61 is exposed in the second window 421, an inner end of the second fixing member 61 is provided with a second cylindrical cap 612, the second cylindrical cap 612 is inserted into the second cylindrical cavity 422 and protrudes outwards from the outer end face of an outer end 611 of the second fixing member 61 to an inner wall face 612a of the second cylindrical cap 612 than the second cylindrical cavity 422, the second electrode 62 is attached to the outer end face of the outer end 611 of the second fixing member 61 to achieve positioning and conduction, stable conduction after the insertion of the developing roller shaft end 10a, and the attachment can be achieved by glue attachment, that is the conductive film is attached to the inner wall face 612a of the second cylindrical cap 612 from the outer end face of the second fixing member 61.
The third mounting cavity 43 is disposed adjacent to the second mounting cavity 42, and one end of the third mounting cavity 43 communicates with the outside of the side cover 40 to form a third window 431, and the other end forms a fixing cavity 432 for stably mounting the third electrode part 70.
The third electrode portion 70 includes a third fixing member 71 and a third electrode 72, wherein the third electrode 72 in the present embodiment is a conductive film, preferably a conductive copper film with a thickness of 0.5mm-3.5mm, the third fixing member 71 is limited in the third mounting cavity 43, an outer end face of an outer end 711 of the third fixing member 71 is exposed in the third window 431, an inner end 712 of the third fixing member 71 is fixed in the fixing cavity 432, and the connecting rod 713 is formed to protrude outward from the fixing cavity 432, the connecting rod 713 abuts against a side blade end 30a of the powder thickness control blade 30, the third electrode 72 abuts against a surface from the outer end face of the outer end 711 of the third fixing member 71 up to the connecting rod 713, and the abutting against the side blade end 30a of the powder thickness control blade 30 is stably conductive, and the above-mentioned attaching may be achieved by glue attaching, that is, the conductive film is attached from the outer end face of the outer end 711 of the third fixing member 71 up to the outer wall face 713a of the connecting rod.
In this embodiment, the assembly of the developing cartridge 100 can be completed by installing the electrode portion into the side cover 40 and connecting the side cover 40 to the side end of the developing cartridge body 100a, specifically, the first installation cavity 41 is provided on the inner side of the side cover 40, the first electrode portion 50 is limited in the first installation cavity 41 by the first fixing member 51, the first electrode 52 is attached to the inner wall surface 512a of the first cylindrical cap 512 from the outer end surface of the outer end 511 of the first fixing member 51 to the inner end surface 512a of the inner end of the first fixing member 51, the first electrode 52 is attached to the outer end surface of the outer end 511 of the first fixing member 51 to be electrically connected with the first conductive portion of the printer, the first electrode 52 is attached to the inner wall surface 512a of the first cylindrical cap 512 at the inner end of the first fixing member 51, the first cylindrical cap 512 is inserted into the shaft end of the powder feeding roller 20 after being inserted into the first cylindrical cavity 412, the first electrode 52 attached to the inner wall surface 512a of the inner end of the first cylindrical cap 512 is protruded outwards compared with the shaft end of the powder feeding roller 20, and the first electrode 52 attached to the shaft end of the first cylindrical cap 512a is fully and stably contacted with the shaft end of the powder feeding roller 20, so that the electric connection is realized; the fixing piece attached with the electrode is stably arranged in the side cover 40, so that the electrode is stably connected with the first conductive part of the printer and the powder feeding roller 20, and high electrical connection stability is realized;
The second mounting cavity 42 is formed inside the side cover 40, the second electrode portion 60 is limited in the second mounting cavity 42 through the second fixing piece 61, the second electrode 62 is attached to the inner wall surface 612a of the second cylindrical cap 612 from the outer end surface of the outer end 611 of the second fixing piece 61 to the inner end of the second fixing piece 61, the second electrode 62 is attached to the outer end surface of the outer end 611 of the second fixing piece 61 so as to be electrically connected with the second conductive part of the printer, the second electrode 62 is attached to the inner wall surface 612a of the second cylindrical cap 612 at the inner end of the second fixing piece 61, the second electrode 62 protrudes outwards from the second cylindrical cavity 422 after being inserted into the shaft end of the developing roller 10, and the second electrode 62 attached to the inner wall surface 612a of the second cylindrical cap 612 is fully and stably contacted with the shaft end of the developing roller 10 so as to be electrically connected with the developing roller 10; the fixing piece attached with the electrode is stably arranged in the side cover 40, so that the electrode is stably connected with the second conductive part of the printer and the developing roller 10, and high electrical connection stability is realized;
The third mounting cavity 43 is arranged on the inner side of the side cover 40, the third electrode part 70 is limited in the third mounting cavity 43 through the third fixing piece 71, the third electrode 72 is attached to the surface of the connecting rod 713 formed by protruding outwards from the outer end face to the inner end 712 of the outer end 711 of the third fixing piece 71 compared with the third mounting cavity 43, the third electrode 72 is attached to the outer end face of the outer end 711 of the third fixing piece 71 so as to be electrically connected with a third conductive part of the printer, and the third electrode 72 is attached to the outer wall face 713a of the connecting rod 713 and is abutted against the side end of the powder thickness control knife 30 so as to realize the electric connection with the powder thickness control knife 30; the fixing piece attached with the electrode is stably arranged in the side cover 40, so that the electrode is fully and stably abutted with the third conductive part of the printer and the powder thickness control knife 30, and high electrical connection stability is realized;
This developing box 100 need not to set up complicated conductive steel sheet, has stably installed the mounting that the laminating has the electrode in the side cap 40, and not only installation convenient operation still makes electrode and printer conductive part, send powder roller 20, developing roller 10 and powder thickness control sword 30 abundant and stable the connection, and electric connection stability is high, guarantees the print quality of developing box 100.
In this embodiment, referring to fig. 2, one end of the first installation cavity 41 extends in a first direction, and the other end extends in a second direction, and the first installation cavity and the second installation cavity intersect to form a first middle rotating part 413; similarly, one end of the second installation cavity 42 extends toward the first direction, the other end extends toward the second direction, and the second installation cavity 42 and the second installation cavity extend toward the second direction to form a second middle rotating part 423 in a crossing manner, namely the second installation cavity 42 and the first installation cavity 41 are arranged side by side; one end of the third installation cavity 43 extends towards the third direction to be communicated with the fixing cavity 432, and the three fixing pieces are respectively matched with the installation cavities, wherein the first direction, the second direction and the third direction are mutually intersected, the installation cavities are not mutually interfered, are coordinately and neatly arranged in the side cover 40, and can effectively utilize the space of the side cover 40 and intensively install electrodes.
In this embodiment, referring to fig. 5, the inner end 712 of the third fixing member 71 extends in the fourth direction to form a connecting rod 713, the fourth direction is crossed with the first direction, the second direction and the third direction, the first direction, the second direction and the third direction are crossed with each other in a plane, the fourth direction is perpendicular to the plane, and the connecting rod 713 extends toward the powder thickness control blade 30 and is in contact electrical connection with the powder thickness control blade 30, so that the electrical connection stability is ensured.
Further, referring to fig. 5 to 9, the third electrode 72 is adhered to the whole outer wall surface 713a of the connecting rod 713, the end of the connecting rod 713 protrudes and extends along the fourth direction to form a wedge 7131, the end surface 713a-1 of the end intersects with the inclined surface 7131-1 of the wedge 7131 to form an obtuse angle, the side blade end 30a of the powder thickness control blade 30 abuts against the inclined surface 7131-1 of the wedge 7131 and/or the end surface 713a-1 of the end to ensure that the powder thickness control blade 30 is stably and electrically connected with the third electrode 72 adhered to the connecting rod 713 without loosening, and the inclined surface 7131-1 of the wedge 7131 can guide the side blade end 30a of the powder thickness control blade 30 to be connected with the wedge 7131 so as to realize shallow-deep electrical connection between the powder thickness control blade 30 and the third electrode 72 adhered to the connecting rod 713, and finally stable electrical connection.
Referring to fig. 2 and 3, an inner cavity at one end of the first installation cavity 41 is provided with symmetrical convex buckles 411a, the convex buckles 411a are provided with buckling slopes 411a-1, and the outer ends 511 of the first fixing pieces 51 are buckled with the convex buckles 411a after sliding across the buckling slopes 411a-1, so that the outer ends 511 of the first fixing pieces 51 are stably installed in the first installation cavity 41; the inner cavity at one end of the second installation cavity 42 and the inner cavity at one end of the third installation cavity 43 are the same as the inner cavity at one end of the first installation cavity 41, and will not be described again here.
Further, the first cylindrical cavity 412 is provided with a through hole 412a penetrating through the side cover 40, the bottom protrusion of the first cylindrical cap 512 is inserted into the through hole 412a for interference fit, so that the first cylindrical cap 512 of the first fixing member 51 is stably installed in the first installation cavity 41, the outer end 511 of the first fixing member 51 is combined with the outer end 511 of the first fixing member 51 to slide through the buckling slope 411a-1 and then is buckled with the protruding buckle 411a, the first fixing member 51 can be stably installed in the first installation cavity 41, and further the first electrode 52 attached to the first fixing member 51 is stably connected with the first conductive part of the printer and the powder feeding roller 20, so that the electric connection stability is high; the second cylindrical cavity 422 is provided with a through hole 422a penetrating the side cover 40, the principle is the same as that described above, and the fixing cavity 432 is provided with a through hole 432a penetrating the side cover 40, and referring to fig. 8, the inner end 712 of the third fixing member 71 is provided with a bottom protrusion 712a inserted into the through hole 432a for interference fit, so as to be stably mounted in the fixing cavity 432.
In this embodiment, the first window 411 is square, the outer end 511 of the first fixing member 51 includes an outer plate 511-1, a side plate 511-2 and an intermediate plate 511-3, which are disposed perpendicular to each other, the outer plate 511-1 is buckled with the protruding buckle 411a, the intermediate plate 511-3 extends in the first direction, the side plate 511-2 connects the outer plate 511-1 and the intermediate plate 511-3, the first electrode 52 is adhered to the outer surfaces of the outer plate 511-1, the side plate 511-2 and the intermediate plate 511-3, the outer end 511 is filled in the inner cavity of one end of the first mounting cavity 41, the outer plate 511-1 is square, the outer plate 511-1 is buckled with the protruding buckle 411a and then is exposed in the first window 411, the first electrode 52 adhered to the outer surface of the outer plate 511-1 is electrically connected with the first conductive part of the printer, the contact area of the electrical connection is increased, and the side plate 511-2 and the intermediate plate 511-3 continue to adhere the first electrode 52 until the first electrode 52 is adhered to the inner wall 512a of the first cylindrical cap 512, the first electrode 52 adhered to the inner wall 512a of the first cylindrical cap 512a is sufficiently loose, and the electrical connection between the two ends is prevented. The outer ends 611 and 711 of the second and third fixing members 61 and 71 are identical to the outer ends 511 of the first fixing member 51, and will not be described again.
In this embodiment, the side cover 40 is further provided with a positioning portion 44 and a connecting portion 45, the positioning portion 44 and the connecting portion 45 are distributed near the edge of the side cover 40, and surround the electrode portions formed by the first electrode portion 50, the second electrode portion 60 and the third electrode portion 70, the positioning portion 44 is used for positioning when the side cover 40 is connected with one side end of the developing cartridge body 100a, and may be a positioning hole or a positioning column structure, and the connecting portion 45 is fixedly connected with one side end of the developing cartridge body 100a through a connecting piece such as a screw or a pin.
Referring to fig. 1 and 2, a side end of the developing cartridge body 100a is provided with an inclined positioning groove 100a-1, correspondingly, the side cover 40 is provided with a first post 44b capable of sliding into the inclined positioning groove 100a-1 to realize positioning connection, further, the side cover 40 is provided with an inclined positioning hole 44a in the same inclined direction as the inclined positioning groove 100a-1, and a side end of the developing cartridge body 100a is correspondingly provided with a second post 100a-2 capable of sliding into the inclined positioning hole 44a to realize positioning connection.
Example two
The present embodiment provides a developing cartridge 100, which is different from the first embodiment in that, after the electrode is adhered to the fixing member, the fixing member is assembled into the mounting cavity of the side cover 40, and the fixing member is made of a conductive material, for example, conductive plastic, so as to form the electrode, and perform the fixing and conductive functions, specifically:
The first electrode 500 is limited in the first mounting cavity 41, the outer end face of the outer end 501 of the first electrode 500 is exposed in the first window 411 and is electrically connected with the first conductive part of the printer, the inner end of the first electrode 500 is set to be inserted into the shaft end of the third cylinder cap 502 by the powder feeding roller 20, the shaft end of the third cylinder cap 502 is inserted into the first cylinder cavity 412 and protrudes outwards compared with the first cylinder cavity 412, the shaft end of the powder feeding roller 20 is inserted into the third cylinder cap 502 to be in contact electrical connection with the inner wall surface 502a of the third cylinder cap 502, and the electrical connection is stable.
The second electrode 600 is limited in the second mounting cavity 42, the outer end face of the outer end 601 of the second electrode 600 is exposed in the second window 421 and is electrically connected with the second conductive part of the printer, the inner end of the second electrode 600 is set to be inserted into the fourth cylindrical cap 602 by the shaft end of the developing roller 10, the shaft end of the developing roller 10 is inserted into the fourth cylindrical cap 602 to be in contact electrical connection with the inner wall surface 602a of the fourth cylindrical cap 602 after the fourth cylindrical cap 602 is inserted into the second cylindrical cavity 422 and protrudes outwards compared with the second cylindrical cavity 422, and the electrical connection is stable.
The third electrode 700 is limited in the third mounting cavity 43, the end face of the outer end 701 of the third electrode 700 is exposed in the third window 431 and is electrically connected with the third conductive part of the printer, the inner end of the third electrode 700 is protruded outwards compared with the third mounting cavity 43 to form an electric connection rod 702, the outer wall surface 702a of the electric connection rod 702 is abutted with the side end of the powder thickness control knife 30, and the electric connection is stable.
The other components are the same as those of the first embodiment, and will not be described again.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Any person skilled in the art can make many possible variations and simple substitutions to the technical solution of the present invention by using the methods and technical matters disclosed above without departing from the scope of the technical solution of the present invention, and these all fall into the scope of protection of the technical solution of the present invention.
Claims (10)
1. A developing cartridge, characterized by comprising:
the developing box body is provided with a developing roller, a powder feeding roller and a powder thickness control knife; and
The side cover is provided with a first installation cavity, a second installation cavity and a third installation cavity on the inner side, wherein one end of the first installation cavity is communicated with the outer side of the side cover to form a first window, the other end of the first installation cavity is formed into a first cylindrical cavity, one end of the second installation cavity is communicated with the outer side of the side cover to form a second window, the other end of the second installation cavity is formed into a second cylindrical cavity, one end of the third installation cavity is communicated with the outer side of the side cover to form a third window, and the other end of the third installation cavity is formed into a fixed cavity;
The first electrode part comprises a first fixing piece and a first electrode, the first fixing piece is limited in the first mounting cavity, the end face of the outer end of the first fixing piece is exposed in the first window, the inner end of the first fixing piece is provided with a first cylindrical cap, the first cylindrical cap protrudes outwards and is inserted by the shaft end of the powder feeding roller compared with the first cylindrical cavity after being inserted into the first cylindrical cavity, and the first electrode is attached to the inner wall surface of the first cylindrical cap from the end face of the outer end of the first fixing piece;
The second electrode part comprises a second fixing piece and a second electrode, the second fixing piece is limited in the second mounting cavity, the end face of the outer end of the second fixing piece is exposed in the second window, the inner end of the second fixing piece is provided with a second cylindrical cap, the second cylindrical cap protrudes outwards and is inserted by the shaft end of the developing roller compared with the second cylindrical cavity after being inserted into the second cylindrical cavity, and the second electrode is attached to the inner wall surface of the second cylindrical cap from the end face of the outer end of the second fixing piece;
the third electrode part comprises a third fixing piece and a third electrode, the third fixing piece is limited in the third installation cavity, the end face of the outer end of the third fixing piece is exposed in the third window, the inner end of the third fixing piece is fixed in the fixing cavity and protrudes outwards to form a connecting rod compared with the fixing cavity, the connecting rod is abutted with the side end of the powder thickness control knife, and the third electrode is attached to the surface from the end face of the outer end of the third fixing piece to the connecting rod.
2. A developing cartridge according to claim 1, wherein one end of said first mounting chamber extends in a first direction and the other end extends in a second direction, and the two cross to form a first intermediate transfer portion; one end of the second mounting cavity extends towards the first direction, the other end extends towards the second direction, and the second mounting cavity are crossed to form a second middle rotating part; one end of the third mounting cavity extends towards a third direction; wherein the first direction, the second direction, and the third direction intersect each other.
3. The developing cartridge according to claim 2, wherein an inner end of the third fixing member extends toward a fourth direction intersecting the first direction, the second direction, and the third direction to form the connecting lever.
4. A developing cartridge according to claim 3, wherein a distal end of said connecting rod is protruded and extended in said fourth direction to form a wedge portion, and an end face of said distal end is intersected with an inclined face of said wedge portion to form an obtuse angle, and a side end of said powder thickness controlling blade is abutted with said inclined face of said wedge portion and/or said end face of said distal end.
5. The developing cartridge according to claim 4, wherein an inner cavity of one end of the first mounting chamber is provided with symmetrical male buckles, the male buckles are provided with buckling slopes, and the outer ends of the first fixing members slide over the buckling slopes and then are buckled with the male buckles.
6. The developing cartridge according to claim 5, wherein the first cylindrical cavity is provided with a through hole penetrating the side cover, and a bottom projection of the first cylindrical cap is inserted into the through hole for interference fit.
7. The developing cartridge according to claim 6, wherein the outer end of the first fixing member includes an outer plate, a side plate, and an intermediate plate disposed perpendicularly to each other, the outer plate being engaged with the cam, the intermediate plate extending in the first direction, the side plate connecting the outer plate and the intermediate plate.
8. The developing cartridge according to claim 7, wherein the first electrode is a conductive film.
9. The developing cartridge according to claim 8, wherein the side cover is further provided with a positioning portion and a connecting portion, the positioning portion and the connecting portion being disposed near an edge of the side cover, surrounding electrode portions formed by the first electrode portion, the second electrode portion, and the third electrode portion.
10. A developing cartridge, characterized by comprising:
the developing box body is provided with a developing roller, a powder feeding roller and a powder thickness control knife; and
The side cover is provided with a first installation cavity, a second installation cavity and a third installation cavity on the inner side, wherein one end of the first installation cavity is communicated with the outer side of the side cover to form a first window, the other end of the first installation cavity is formed into a first cylindrical cavity, one end of the second installation cavity is communicated with the outer side of the side cover to form a second window, the other end of the second installation cavity is formed into a second cylindrical cavity, one end of the third installation cavity is communicated with the outer side of the side cover to form a third window, and the other end of the third installation cavity is formed into a fixed cavity;
The first electrode is limited in the first mounting cavity, the end face of the outer end of the first electrode is exposed in the first window, the inner end of the first electrode is provided with a first cylindrical cap which is inserted by the shaft end of the powder feeding roller, and the first cylindrical cap protrudes outwards compared with the first cylindrical cavity after being inserted into the first cylindrical cavity;
the second electrode is limited in the second mounting cavity, the end face of the outer end of the second electrode is exposed in the second window, the inner end of the second electrode is provided with a second cylindrical cap which is inserted by the shaft end of the developing roller, and the second cylindrical cap protrudes outwards compared with the second cylindrical cavity after being inserted into the second cylindrical cavity;
The end face of the outer end of the third electrode is exposed in the third window, the inner end of the third electrode is fixed in the fixed cavity and protrudes outwards compared with the fixed cavity to form an electric connecting rod, and the electric connecting rod is abutted with the side end of the powder thickness control knife.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311705255.3A CN117492342B (en) | 2023-12-12 | 2023-12-12 | Developing cartridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311705255.3A CN117492342B (en) | 2023-12-12 | 2023-12-12 | Developing cartridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117492342A CN117492342A (en) | 2024-02-02 |
| CN117492342B true CN117492342B (en) | 2024-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311705255.3A Active CN117492342B (en) | 2023-12-12 | 2023-12-12 | Developing cartridge |
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| CN (1) | CN117492342B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203299519U (en) * | 2013-06-06 | 2013-11-20 | 江西镭博钛电子科技有限公司 | Developing box |
| CN206162058U (en) * | 2016-11-07 | 2017-05-10 | 江西亿铂电子科技有限公司 | Developing box |
| CN210402017U (en) * | 2019-09-27 | 2020-04-24 | 珠海天威飞马打印耗材有限公司 | Carbon powder box |
| CN210803997U (en) * | 2019-11-29 | 2020-06-19 | 珠海市颂洋科技有限公司 | Conductive structure of developing box |
| CN214954526U (en) * | 2021-03-15 | 2021-11-30 | 珠海墨美影像科技有限公司 | Conductive side cover of developing box |
| CN215181418U (en) * | 2021-07-02 | 2021-12-14 | 中山市三润打印耗材有限公司 | Conductive holder and developing cartridge |
| CN217386149U (en) * | 2022-05-30 | 2022-09-06 | 珠海京天世纪科技有限公司 | Processing box |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6733567B2 (en) * | 2017-01-31 | 2020-08-05 | ブラザー工業株式会社 | Developer cartridge |
-
2023
- 2023-12-12 CN CN202311705255.3A patent/CN117492342B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203299519U (en) * | 2013-06-06 | 2013-11-20 | 江西镭博钛电子科技有限公司 | Developing box |
| CN206162058U (en) * | 2016-11-07 | 2017-05-10 | 江西亿铂电子科技有限公司 | Developing box |
| CN210402017U (en) * | 2019-09-27 | 2020-04-24 | 珠海天威飞马打印耗材有限公司 | Carbon powder box |
| CN210803997U (en) * | 2019-11-29 | 2020-06-19 | 珠海市颂洋科技有限公司 | Conductive structure of developing box |
| CN214954526U (en) * | 2021-03-15 | 2021-11-30 | 珠海墨美影像科技有限公司 | Conductive side cover of developing box |
| CN215181418U (en) * | 2021-07-02 | 2021-12-14 | 中山市三润打印耗材有限公司 | Conductive holder and developing cartridge |
| CN217386149U (en) * | 2022-05-30 | 2022-09-06 | 珠海京天世纪科技有限公司 | Processing box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117492342A (en) | 2024-02-02 |
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