WO2024156129A1 - 一种显影盒和处理盒 - Google Patents
一种显影盒和处理盒 Download PDFInfo
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- WO2024156129A1 WO2024156129A1 PCT/CN2023/080079 CN2023080079W WO2024156129A1 WO 2024156129 A1 WO2024156129 A1 WO 2024156129A1 CN 2023080079 W CN2023080079 W CN 2023080079W WO 2024156129 A1 WO2024156129 A1 WO 2024156129A1
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- Prior art keywords
- counting
- gear
- rotating shaft
- stirring
- box
- Prior art date
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- 238000001514 detection method Methods 0.000 claims abstract description 89
- 238000003756 stirring Methods 0.000 claims abstract description 70
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 239000000843 powder Substances 0.000 claims abstract description 18
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 239000000243 solution Substances 0.000 description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 101100012902 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) FIG2 gene Proteins 0.000 description 1
- 206010044048 Tooth missing Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000003993 interaction Effects 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
- G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
- G03G15/0877—Arrangements for metering and dispensing developer from a developer cartridge into the development unit
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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
- G03G15/0896—Arrangements or disposition of the complete developer unit or parts thereof not provided for by groups G03G15/08 - G03G15/0894
Definitions
- the invention relates to the technical field of electronic photographic imaging, in particular to a developing box and a processing box for a laser printer.
- An existing processing box for a laser printer includes a developing box and a drum box, wherein the developing box is provided with a counting detection component, which mainly includes a counting detection wheel.
- a connecting piece on the developing box that receives the driving force of the printer drives the counting detection wheel through a gear set.
- the regularly arranged protruding structures on the counting detection wheel touch the rod with a detection function on the printer, causing the rod to move regularly.
- the printer can judge the specifications of the developing box and whether the installation position of the processing box is accurate based on this.
- the connecting piece and the counting and detecting wheel are respectively located at the first and second ends opposite to each other in the length direction of the developing box body; at the first end, the connecting piece, the idle wheel and the first stirring gear are meshed in sequence; at the second end, the second stirring gear is meshed with the counting and detecting wheel; the first stirring gear located at the first end and the second stirring gear located at the second end are coaxially rotated by a stirring shaft that passes through the powder bin inside the box body, and a stirring frame for stirring the carbon powder is installed on the stirring shaft.
- the existing processing box realizes transmission between the connecting part and the counting and detection component by spanning the two ends of the length of the box body through the first stirring gear, the stirring shaft and the second stirring gear, since a stirring frame is installed on the stirring shaft, the stirring frame stirs the carbon powder and is subjected to the resistance of the carbon powder during the rotation of the stirring shaft.
- the stirring shaft is subjected to a large torque, which affects the transmission accuracy and then affects the counting and detection accuracy.
- the first object of the present invention is to provide a developing box that improves transmission accuracy and improves counting and detection accuracy.
- a second object of the present invention is to provide a processing box that improves transmission accuracy and thus improves counting and detection accuracy.
- the first purpose of the present invention provides a developing box including a box body and a counting and detection component installed on the box body, a powder bin is provided in the box body, and in a first direction, the box body includes a first end and a second end relatively arranged; the counting and detection component includes a counting gear, a rotating shaft and a counting and detection wheel; the counting gear is arranged at the first end and the counting and detection wheel is arranged at the second end, the rotating shaft passes through the first end and the second end along the first direction, and the counting gear and the counting and detection wheel are respectively connected to the opposite ends of the rotating shaft.
- a further solution is that the rotating shaft is placed outside the powder bin.
- the box body is provided with a mounting recess recessed in its own surface, and at least a part of the rotating shaft is located in the mounting recess.
- a further solution is that at least one of the counting gear and the counting detection wheel is detachably connected to the rotating shaft.
- the developing box includes a connecting piece, and the connecting piece can receive driving force from the printer; the connecting piece is connected to the box body and is located at the first end, and the connecting piece is matched with the counting gear transmission.
- the developer box also includes a stirring frame and a stirring gear; the stirring frame is arranged in the powder bin, the stirring gear is arranged at the first end, and the stirring gear is used to drive the stirring frame; at the first end, the stirring gear is meshed with the counting gear.
- the stirring gear includes a first tooth portion and a second tooth portion arranged in sequence along its own axial direction; the developing box also includes an idler wheel, and the connecting piece is in transmission cooperation with the idler wheel; the first tooth portion is meshed with the idler wheel, and the second tooth portion is meshed with the counting gear.
- a further solution is that the outer periphery of the counting gear is provided with a third tooth portion and a missing tooth portion which are sequentially arranged along its circumference; and the third tooth portion is meshed with the second tooth portion.
- a further solution is that a first limiting structure is provided on the counting and detection wheel, and the first limiting structure is arranged on the outer periphery of the axis of the rotating shaft; the developing box also includes a limiting member, and the limiting member is movably mounted on the counting and detection wheel along the axial direction of the rotating shaft; the limiting member can move axially between a stop position and a release position, and the limiting member in the stop position cooperates with the first limiting structure to limit the rotation direction of the counting and detection wheel.
- the developing box also includes a torsion spring; the box body includes a second end cover arranged at the second end, and the torsion spring is connected between the second end cover and the counting detection wheel; or, the box body includes a first end cover arranged at the first end, and the torsion spring is connected between the first end cover and the counting gear.
- the second object of the present invention is to provide a processing box including the above-mentioned developing box.
- the developer box of the present invention eliminates the need to use a stirring shaft to transmit the transmission to the counting detection wheel. Instead, a counting gear is arranged at the first end where the coupling, the idler wheel and the first stirring gear are located, and the transmission is transmitted to the counting gear at the first end, and then the rotation is transmitted to the counting detection wheel at the second end through the rotating shaft. Since the stirring frame is not installed on the rotating shaft, the torque on the rotating shaft is small even if it crosses the powder bin, which is conducive to ensuring the transmission accuracy between the counting gears and the counting detection wheel at both ends of the rotating shaft, thereby improving the counting detection accuracy.
- the entire shaft is arranged outside the powder bin, which can more effectively solve the obstruction of carbon powder to the rotation of the shaft. This arrangement can further improve the transmission accuracy and detection accuracy.
- the setting of the mounting recess ensures that the external mounting of the shaft does not affect the outer contour of the box body, thereby ensuring the compatibility of the developer box.
- At least one of the counting gear and the counting detection wheel is detachably connected to the rotating shaft, so that the counting detection component is easier to install.
- the connecting piece, the idler wheel, the stirring gear and the counting gear are linked in sequence, making the transmission components more compact while adapting to the original gear set design.
- the limit member can be pushed and reach the stop position, and cooperate with the missing tooth portion of the counting gear and the torsion spring to achieve semi-automatic or fully automatic counting detection resetting of the counting detection wheel.
- the torsion spring is used to realize the automatic resetting of the counting detection member. Since the counting gear of the present invention rotates coaxially with the counting detection wheel, the torsion spring can be arranged not only between the second end cover at the second end and the counting detection wheel, but also, according to actual conditions, it can be considered to arrange the torsion spring at the first end, install it in the first end cover at the first end and abut between the first end cover and the counting gear.
- FIG. 1 is a structural diagram of a developer box embodiment of the present invention with part of the external structure removed from a first viewing angle.
- FIG. 2 is a structural diagram of the developer box embodiment of the present invention with part of the external structure removed from a second viewing angle.
- FIG. 3 is a structural diagram of the developer box embodiment of the present invention with part of the external structure removed from a third viewing angle.
- FIG. 4 is a structural diagram of the upper shell of the developing cartridge embodiment of the present invention.
- FIG. 5 is a structural diagram of a counting and detecting member in an embodiment of a developing box of the present invention.
- FIG. 6 is a structural diagram of a counting and detecting wheel in an embodiment of a developing box of the present invention.
- Figure 7 is a structural diagram of the counting detection wheel, torsion spring and second end cover in the developing box embodiment of the present invention.
- the developing box of this embodiment includes a box body 1, a coupling 21, an idler wheel 22, a stirring gear 23 and a counting detection member 3 where the present invention is improved.
- the developing box also includes a developing roller, a supply roller, a stirring frame, a powder scraper and toner.
- the box body 1 referred to in the present invention includes a main body whose internal space constitutes a powder bin for storing toner and a first end cover installed on the first end of the main body.
- the first end cover of the box body 1 and some shielding shell structures are removed in each figure, so that the coupling 21, the idler wheel 22, the stirring gear 23 and the counting detection member 3 are exposed in each figure.
- the two opposite ends of the box body 1 in the length direction are respectively a first end 101 and a second end 102.
- the length direction of the box body 1 is the first direction of the present invention.
- the connecting member 21, the idler wheel 22 and the stirring gear 23 can be rotatably mounted on the first end 101.
- the connecting member 21 can receive the driving force from the printer, and drive the developing roller, the supply roller and the stirring frame to rotate through the idler wheel 22, the developing gear and the stirring gear 23.
- a rotatable counting detection wheel 33 for counting detection is provided at the first end 102 in the length direction of the box body 1.
- a counting detection protrusion group is provided on the counting detection wheel 33, and the counting detection protrusion group includes a main protrusion 331 and two auxiliary protrusions 332 arranged at intervals along the circumference of the rotating shaft 32, and the central angle corresponding to the main protrusion 331 is greater than the central angle of the auxiliary protrusion 332.
- the main protrusion 331 and the two auxiliary protrusions 332 arranged in a regular manner on the counting detection wheel 33 regularly touch the rod with a detection function on the printer, and the printer can judge the specifications of the developing box and whether the installation position of the processing box is accurate.
- the design rules of the counting detection protrusion group on the counting detection wheel 33 are disclosed in the Chinese invention patent application with application number CN2020487406.7.
- the counting and detecting wheel 33 is driven by the connecting member 21.
- the present invention improves the transmission structure from the connecting member 21 to the counting and detecting wheel 33.
- the counting and detecting component 3 of the present invention includes, in addition to the counting and detecting wheel 33, a counting gear 31 and a rotating shaft 32.
- the counting gear 31 and the counting and detecting wheel 33 are respectively fixed at both axial ends of the rotating shaft 32, so that the counting gear 31 and the counting and detecting wheel 33 can rotate synchronously.
- the counting gear 31 and the counting and detecting wheel 33 can be detachably mounted on the rotating shaft 32.
- the box body 1 includes a shell 11, the shell 11 has a surface 11a, and a mounting recess 110 is provided on the shell 11, which is recessed in the surface 11a.
- the mounting recess 110 extends along the length direction of the box body 1 to form a narrow and long space.
- the mounting recess 110 is open to the surface 11a, and its two ends are respectively connected to the first end 101 and the second end 102.
- the mounting recess 110 is used to accommodate the rotating shaft 32.
- the present invention also includes a detachable cover plate (not shown in the figure), which is used to cover the opening of the mounting recess 110 to shield and protect the rotating shaft 32 in the mounting recess 110 and ensure the integrity of the outer contour structure of the box body 1.
- the stirring gear 23 of the present invention includes a first tooth portion 231 with a larger number of teeth and a second tooth portion 232 with a smaller number of teeth arranged in sequence along its own axial direction.
- the first tooth portion 231 is meshed with the idler gear 22, and the second tooth portion 232 is meshed with the counting gear 31.
- the stirring gear 23 is a gear used to drive the stirring frame in the powder bin to rotate.
- the stirring gear 23 rotates coaxially with the stirring shaft, and the stirring frame is installed on the stirring shaft.
- the outer periphery of the counting gear 31 is provided with a third tooth portion 311 and a missing tooth portion 312 arranged in sequence along its own circumference, and the third tooth portion 311 is used to mesh with the second tooth portion 232.
- the developer box of this embodiment also includes a limit member 34.
- the limit member 34 is movably mounted on the counting and detecting wheel 33 along the axial direction of the rotating shaft 32 through a spring, and the limit member 34 can rotate relative to the counting and detecting wheel 33 around the axis of the rotating shaft 32.
- the counting and detecting wheel 33 is provided with an upper limit rib 333, which is the first limit structure of the present invention, and the upper limit rib 333 is arranged on the outer periphery of the axis of the rotating shaft 32; the limit member 34 can move axially between the stop position and the release position, and the limit member 34 in the stop position cooperates with the upper limit rib 333 in the rotation direction of the counting and detecting wheel 33.
- the counting and detecting wheel 33 is also provided with a lower limit rib 334, which is the second limit structure of the present invention, and the lower limit rib 334 is used to abut and cooperate with the torsion spring.
- the toothless portion 312 , the limiting member 34 , the upper limiting rib 333 , the lower limiting rib 334 , the spring and the torsion spring are arranged to realize automatic counting and resetting of the counting and detecting wheel 33 .
- the developing box further includes a torsion spring 4.
- the box body 1 of the developing box further includes a second end cover 12 mounted on the second end 102, and the torsion spring 4 is mounted on the second end cover 12 and connected between the second end cover 12 and the counting and detecting wheel 33.
- the torsion spring 4 includes a central portion 40 and a first elastic arm 41 and a second elastic arm 42 extending outward from the central portion 40, the central portion 40 is sleeved on the connecting column 121 of the second end cover 12, and in the projection of the length direction of the developing box shown in FIG7 , the connecting column 121 is located at the periphery of the counting and detecting wheel 33, the first elastic arm 41 is fixed at a fixed position of the second end cover 12, and the second elastic arm 42 extends to one side of the lower limit rib 334 and abuts against the lower limit rib 334.
- the counting and detecting member 3 After installing the new developer cartridge into the printer, the counting and detecting member 3 is in the initial position. At this time, the limit member 34 is squeezed inward by the inner wall of the printer, and the buckle of the limit member 34 moves down and is located directly behind the upper limit rib 333. The front end of the main protrusion 331 of the counting and detecting wheel 33 abuts against the counting feeler rod of the printer. At the same time, on the first end 101, the front end of the third tooth portion 311 of the counting gear 31 is in meshing state with the stirring gear 23, and the torsion spring 4 is in a naturally relaxed state.
- the counting detection component 3 including the counting gear 31, the rotating shaft 32 and the counting detection wheel 33 rotates driven by the stirring gear 23, and the main protrusion 331 continuously contacts the printer counting feeler rod; then the printer counting feeler rod enters the first gap section between the main protrusion 331 and the auxiliary protrusion 332, and the counting detection wheel 33 releases the contact with the printer counting feeler rod; then the first auxiliary protrusion 332 contacts the printer counting feeler rod; then the printer counting feeler rod enters the second gap section between the two auxiliary protrusions 332, and the counting reset gear 1 releases the contact with the printer counting feeler rod; then the second auxiliary protrusion 332 contacts the printer counting feeler rod; then, as the meshing of the third tooth portion 311 of the counting gear 31 and the stirring gear 23 ends and the counting gear 31 is switched to the first gear portion 311 of the counting gear 31, the counting reset gear 1 is reset.
- the toothless portion 312 is in a non-engaged state opposite to the stirring gear 23, and the printer counting contact rod enters the third gap section between the second auxiliary protrusion 332 and the main protrusion 331, and the counting detection wheel 33 releases the resistance to the printer counting contact rod.
- the lower limit rib 334 of the counting detection wheel 33 and the second elastic arm 42 of the torsion spring 4 are in a tension contact state. Under the force of the torsion spring 4, the counting detection wheel 33 continues to rotate forward at a certain angle until the upper limit rib 333 of the counting detection wheel 33 hits the buckle of the limit member 34 and is forced to stop rotating and stay at this position.
- the front end of the main protrusion 331 of the counting detection wheel 33 also hits the printer counting contact rod again, and the lower limit rib 334 of the counting detection wheel 33 and the torsion spring 4 are still in a tension contact state.
- the printer has completed the counting and identification work, and the toner cartridge is in a printing work ready state.
- the limiting member 34 When the developing box is taken out of the printer or the drum frame, the limiting member 34 is no longer squeezed by external force and pops outward under the restoring force of the spring 5 and releases the rotation restriction cooperation with the upper limit rib 333. At this time, the counting detection wheel 33 will continue to rotate forward by a certain angle under the action of the torsion spring 3, so that the front end of the third tooth portion 311 of the counting gear 31 is meshed with the stirring gear 23 again, and the main protrusion 331 of the counting detection wheel 33 continues to resist the counting touch rod of the printer.
- the upper limit rib 333 and the buckle of the limiting member 34 are misaligned and the upper limit rib 333 is located in the front; when the toner cartridge is loaded into the printer again, the limiting member 34 is squeezed by the inner wall of the printer again and retracts, the buckle of the limiting member 34 is retracted and the upper limit rib 333 is located directly in front of the buckle of the limiting member 34, and the counting gear 31, the rotating shaft 32 and the counting detection wheel 33 return to their initial position. This process completes the automatic resetting of the counting detection component.
- the main purpose of the present invention is to solve the problems of transmission accuracy and counting detection accuracy of the counting detection wheel 33.
- the present invention adds a counting gear 31 and a rotating shaft 32. After the power is transmitted to the stirring gear 23 located at the first end 101, the power is no longer transmitted to the second end 102 by means of a stirring shaft, but the power is transmitted to the counting gear 31 at the first end 101, and then transmitted to the counting detection wheel 33 located on the second end 102 by the rotating shaft 32.
- the rotating shaft 32 is not a stirring shaft and does not need to cooperate with the stirring frame to influence the carbon powder in the powder bin, it is better that the rotating shaft 32 in this embodiment is located outside the powder bin as a whole, so that the obstruction of the carbon powder to the rotation of the rotating shaft 32 can be more effectively solved. It is better that the rotating shaft 32 in this embodiment is set to a cross-shaped shaft in cross section to improve its torsion resistance.
- the power can be transmitted across the first end 101 and the second end 102 by sequentially transmitting the stirring gear 23, the counting gear 31, the rotating shaft 32 and the counting detection wheel 33, and the rotating shaft 32 can be prevented from being subjected to a large torque and affecting the transmission accuracy, thereby ensuring the accuracy of the rotation angle of the counting detection wheel 33 and then ensuring the counting detection accuracy.
- the rotating shaft can extend between the first end and the second end by passing through the powder bin. Since the stirring shaft generates a large torque because there is a large interaction force between the stirring frame and the carbon powder, and the stirring frame is not installed on the rotating shaft, compared with the stirring shaft, even if the rotating shaft is placed in the powder bin, the torque it receives from the carbon powder is much smaller, thereby improving the transmission accuracy to a certain extent.
- the elastic reset of the counting detection member is realized by using a torsion spring disposed between the second end cover and the counting detection wheel. Since the counting gear located at the first end and the counting detection wheel located at the second end rotate coaxially in the present invention, in other embodiments, the torsion spring can be disposed between the first end cover of the first end of the box body and the counting gear, and of course, the lower limit rib used to cooperate with the second elastic arm of the torsion spring is also disposed on the counting gear. This arrangement can also realize the automatic reset of the counting detection member.
- only one of the counting gear and the counting detection wheel can be removed from the rotating shaft, or the counting gear, the rotating shaft and the counting detection wheel are integrally formed.
- the coupling, the idler and the counting gear are meshed in sequence, or the coupling, the idler, the additional transmission gear and the counting gear are meshed in sequence. That is, the transmission structure from the coupling to the counting gear does not include the stirring gear.
- the coupling, the additional transmission gear and the counting gear are meshed in sequence, that is, the transmission structure from the coupling to the counting gear does not include an idler gear and a stirring gear.
- the stopper is movably mounted on the counting and detecting wheel along the axial direction of the rotating shaft, but no spring is arranged between the counting and detecting wheel and the stopper. Under this arrangement, after the developing box is removed from the printer, the stopper needs to be manually pulled up to trigger the reset action of the counting and detecting wheel.
- the developer box is not provided with a spring, a torsion spring and a stopper, and the counting gear is not provided with a tooth-missing portion. Under this arrangement, the counting detection wheel needs to be completely reset manually.
- the present invention also claims protection for a process cartridge comprising the developing cartridge of the present invention.
- the processing box provided by the present invention is used as a printing consumable in a laser printer. After receiving the driving force of the printer through a connecting piece, the processing box can drive the counting detection wheel to rotate.
- the torque applied to the rotating shaft is also small, thereby ensuring the transmission accuracy between the counting gears at both ends of the rotating shaft and the counting detection wheel, thereby improving the counting detection accuracy.
- the box body, connecting parts, counting gears, rotating shafts, counting detection wheels and idle wheels can all be mass-processed through injection molding technology, and the remaining parts can also be mass-processed and produced.
- the detachable connection design of the counting gears, counting detection wheels and rotating shafts makes the processing box easier to assemble and disassemble.
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Abstract
一种显影盒和处理盒。显影盒包括盒体(1)和计数检测构件(3),盒体(1)内设有粉仓,在第一方向上,盒体(1)包括相对设置的第一端(101)和第二端(102);计数检测构件(3)包括计数齿轮(31)、转轴(32)和计数检测轮(33);计数齿轮(31)设置在第一端(101)而计数检测轮(33)设置在第二端(102),转轴(32)沿第一方向贯穿于第一端(101)与第二端(102)之间,计数齿轮(31)和计数检测轮(33)分别连接在转轴(32)的相对两端。处理盒包括显影盒。该显影盒和处理盒通过在联结件(21)、惰轮(22)和第一搅拌齿轮(23)所在的第一端(101)设置计数齿轮(31),在第一端(101)将转动传递至计数齿轮(31),再通过转轴(32)将转动传递至第二端(102)的计数检测轮(33)。由于转轴(32)上并不安装搅拌架,即使转轴(32)横穿粉仓其所受扭矩也较小,保证转轴(32)两端的计数齿轮(31)与计数检测轮(33)之间的传动精度,提升计数检测精度。
Description
本发明涉及电子照相成像技术领域,特别是用于激光打印机的显影盒及处理盒。
现有的用于激光打印机的处理盒包括显影盒和鼓盒,其中,显影盒设有计数检测构件,计数检测构件主要包括一个计数检测轮,显影盒上接受打印机驱动力的联结件通过齿轮组带动计数检测轮,计数检测轮转动过程中,计数检测轮上呈规律布置的凸起结构与打印机上具有检测作用的杆件触碰而使杆件呈规律运动,打印机能够据此判断显影盒的规格以及处理盒安装位置是否准确等。
联结件和计数检测轮分别位于显影盒盒体的长度方向上相对的第一端和第二端;第一端上,联结件、惰轮和第一搅拌齿轮依次啮合;第二端上,第二搅拌齿轮与计数检测轮啮合;位于第一端的第一搅拌齿轮和位于第二端的第二搅拌齿轮之间通过贯穿盒体内部粉仓的搅拌轴实现同轴转动,搅拌轴上安装有用于对碳粉进行搅拌的搅拌架。
现有的处理盒虽然通过第一搅拌齿轮、搅拌轴以及第二搅拌齿轮跨越盒体的长度两端而实现联结件与计数检测构件之间的传动,但由于搅拌轴上安装了搅拌架,搅拌轴转动过程中搅拌架搅拌碳粉而承受碳粉阻力,搅拌轴所受扭矩较大而影响传动精度,继而影响计数检测精度。
本发明的第一目的在于提供一种提高传动精度而提高计数检测精度的显影盒。
本发明的第二目的在于提供一种提高传动精度而提高计数检测精度的处理盒。
本发明第一目的提供的显影盒包括盒体和安装在盒体上的计数检测构件,盒体内设有粉仓,在第一方向上,盒体包括相对设置的第一端和第二端;计数检测构件包括计数齿轮、转轴和计数检测轮;计数齿轮设置在第一端而计数检测轮设置在第二端,转轴沿第一方向贯穿于第一端与第二端之间,计数齿轮和计数检测轮分别连接在转轴的相对两端。
进一步的方案是,转轴置于粉仓之外。
进一步的方案是,盒体设有凹陷于自身表面的安装凹位,转轴的至少一部分位于在安装凹位中。
进一步的方案是,计数齿轮和计数检测轮中的至少一个与转轴可拆卸连接。
进一步的方案是,显影盒包括联结件,联结件能够从打印机接受驱动力;联结件连接在盒体上且位于第一端,联结件与计数齿轮传动配合。
再进一步的方案是,显影盒还包括搅拌架和搅拌齿轮;搅拌架设置在粉仓内,搅拌齿轮设置在第一端,搅拌齿轮用于带动搅拌架;第一端上,搅拌齿轮与计数齿轮啮合。
更进一步的方案是,搅拌齿轮包括沿自身轴向依次设置的第一齿部和第二齿部;显影盒还包括惰轮,联结件与惰轮传动配合;第一齿部与惰轮啮合,第二齿部与计数齿轮啮合。
再进一步的方案是,计数齿轮的外周设有沿自身周向依次设置的第三齿部和缺齿部;第三齿部与第二齿部啮合。
进一步的方案是,计数检测轮上设有第一限位结构,第一限位结构设置在转轴所在轴心的外周;显影盒还包括限位件,限位件沿转轴的轴向可活动地安装在计数检测轮上;限位件可沿轴向移动于止转位置和解除位置之间,处于止转位置的限位件与第一限位结构在计数检测轮的转动方向上限位配合。
进一步的方案是,显影盒还包括扭簧;盒体包括设置在第二端的第二端盖,扭簧连接在第二端盖与计数检测轮之间;或,盒体包括设置在第一端的第一端盖,扭簧连接在第一端盖与计数齿轮之间。
本发明第二目的提供的处理盒包括上述的显影盒。
本发明的显影盒取消借助搅拌轴传动至计数检测轮,通过在联结件、惰轮和第一搅拌齿轮所在的第一端设置计数齿轮,在第一端传动至计数齿轮,再通过转轴将转动传递至第二端的计数检测轮。由于转轴上并不安装搅拌架,即使转轴横穿粉仓其所受扭矩也较小,因而利于保证转轴两端的计数齿轮与计数检测轮之间的传动精度,继而提升计数检测精度。
进一步地,转轴整体设置在粉仓外部能够更有效解决碳粉对转轴转动的阻碍,此设置能进一步提高传动精度以及检测精度。
进一步地,安装凹位的设置使得转轴的外置安装不影响盒体的外部轮廓,保证显影盒的通配性。
进一步地,计数齿轮和计数检测轮中的至少一个与转轴可拆卸连接使得计数检测构件更易于安装。
进一步地,联结件、惰轮、搅拌齿轮和计数齿轮依次联动,在适应原齿轮组设计的前提下使得各传动构件之间更紧凑。
进一步地,能够实现计数检测构件的自动复位。
进一步地,将显影盒放入打印机后,限位件能够被推动并到达止转位置,配合计数齿轮的缺齿部以及扭簧,能够实现计数检测轮的半自动或全自动计数检测复位。
进一步地,扭簧用于实现计数检测构件的自动复位。而由于本发明的计数齿轮与计数检测轮同轴转动,扭簧不仅可以设置在第二端的第二端盖与计数检测轮之间,根据实际情况,还可以考虑将扭簧设置在第一端、安装在第一端的第一端盖内并且抵接在第一端盖与计数齿轮之间。
图1为本发明显影盒实施例去掉部分外部结构第一视角下的结构图。
图2为本发明显影盒实施例去掉部分外部结构第二视角下的结构图。
图3为本发明显影盒实施例去掉部分外部结构第三视角下的结构图。
图4为本发明显影盒实施例盒体上壳体的结构图。
图5为本发明显影盒实施例中计数检测构件的结构图。
图6为本发明显影盒实施例中计数检测轮的结构图。
图7 为本发明显影盒实施例中计数检测轮、扭簧与第二端盖的结构图。
参见图1至图3,本实施例的显影盒包括盒体1、联结件21、惰轮22、搅拌齿轮23和本发明改进所在处的计数检测构件3,当然地,显影盒还包括显影辊、供给辊、搅拌架、刮粉刀和碳粉。本发明所指盒体1包括其内部空间构成存放碳粉的粉仓的主体以及安装在该主体端部的第一端上的第一端盖等,为更好展示显影盒的组装结构,各附图中去掉盒体1的第一端盖和一些遮挡的外壳结构,使得联结件21、惰轮22、搅拌齿轮23和计数检测构件3等在各附图中暴露。
参见图1,盒体1的长度方向上的相对两端分别为第一端101和第二端102,盒体1的长度方向即本发明的第一方向,与现有的显影盒相同的是,联结件21、惰轮22和搅拌齿轮23均可转动地安装在第一端101上,当显影盒安装到打印机中,联结件21能够从打印机接受驱动力,并且通过惰轮22、显影齿轮和搅拌齿轮23带动显影辊、供给辊以及搅拌架转动工作。
参见图1,与现有的显影盒相同的是,在盒体1的长度方向上的第一端102设置有一个可转动的用于计数检测的计数检测轮33。结合图6,本实施例中,计数检测轮33上设有计数检测凸起组,计数检测凸起组包括沿转轴32的周向有间隔设置的一个主凸起331和两个副凸起332,主凸起331对应的圆心角大于副凸起332的圆心角。计数检测轮33转动过程中,计数检测轮33上呈规律布置的主凸起331和两个副凸起332与打印机上具有检测作用的杆件有规律触碰,打印机能够据此判断显影盒的规格以及处理盒安装位置是否准确。计数检测轮33上计数检测凸起组的设计规则公开于申请号为CN2020487406.7的中国发明专利申请中。
计数检测轮33由联结件21带动。本发明针对联结件21到计数检测轮33的传动结构进行改进。参见图1至图3以及图5,本发明的计数检测构件3除了包括上述计数检测轮33外,还包括计数齿轮31和转轴32。参见图5,计数齿轮31和计数检测轮33分别固定在转轴32的轴向两端,因而计数齿轮31和计数检测轮33之间能够同步转动。本实施例中,计数齿轮31和计数检测轮33均可拆卸地安装在转轴32上。
参见图4,盒体1包括壳体11,壳体11具有表面11a,壳体11上设置有一个凹陷于表面11a的安装凹位110,安装凹位110沿盒体1的长度方向延伸成狭长空间,安装凹位110敞口于表面11a且其长度两端分别连通至上述第一端101和第二端102。安装凹位110用于容纳转轴32。实际上,本发明还包括一块可拆卸的盖板件(图中未示出),盖板件用于盖合到安装凹位110的敞口处以对安装凹位110内的转轴32进行遮挡保护以及保证盒体1外轮廓结构的完整性。
参见图1至图3,当转轴32安装到安装凹位110中,转轴32的轴向两端分别伸出第一端101和第二端102,连接在转轴32一端的计数齿轮31位于第一端101,连接在转轴32另一端的计数检测轮33则位于第二端102。
本实施例中,第一端101上,联结件21、惰轮22、搅拌齿轮23和计数齿轮31依次啮合。较于现有技术中的只有唯一齿部的搅拌齿轮,本发明的搅拌齿轮23包括沿自身轴向依次设置的齿数较多的第一齿部231和齿数较少的第二齿部232,第一齿部231与惰轮22啮合,第二齿部232与计数齿轮31啮合。其中,搅拌齿轮23即用于带动粉仓内搅拌架转动的齿轮,搅拌齿轮23与搅拌轴同轴转动,搅拌轴上安装搅拌架。其中,计数齿轮31的外周设有沿自身周向依次设置的第三齿部311和缺齿部312,第三齿部311用于与第二齿部232啮合。
另外,本实施例的显影盒还包括限位件34。限位件34通过一个弹簧沿转轴32的轴向可活动地安装在计数检测轮33上,且限位件34可绕转轴32所在轴心相对于计数检测轮33转动。计数检测轮33上设有上限位肋条333,上限位肋条为本发明的第一限位结构,上限位肋条333设置在转轴32所在轴心的外周;限位件34可沿轴向移动于止转位置和解除位置之间,处于止转位置的限位件34与上限位肋条333在计数检测轮33的转动方向上限位配合。另外,计数检测轮33上还设置有下限位肋条334,下限位肋条334为本发明的第二限位结构,下限位肋条334用于与扭簧抵接配合。缺齿部312、限位件34、上限位肋条333、下限位肋条334、弹簧和扭簧的设置用于实现计数检测轮33的自动计数复位。
结合图7,显影盒还包括扭簧4。参见图2盒图7,显影盒的盒体1还包括安装在第二端102的第二端盖12,扭簧4安装在第二端盖12上并且连接在第二端盖12与计数检测轮33之间。扭簧4包括中心部40以及从中心部40向外伸出的第一弹臂41以及第二弹臂42,中心部40套装在第二端盖12的连接柱121之上,在图7所示的显影盒的长度方向的投影上,连接柱121位于计数检测轮33的外周,第一弹臂41被固定在第二端盖12一固定位置,第二弹臂42延伸至下限位肋条334的一侧并且与下限位肋条334抵接。
将新的显影盒安装到打印机后,计数检测构件3处于初始位置,此时限位件34受到打印机内侧壁的挤压而内缩,限位件34的卡扣下移并位于上限位肋条333的正后方,计数检测轮33的主凸起331的前方端抵触住打印机的计数触杆,同时,第一端101上,计数齿轮31的第三齿部311的前方端与搅拌齿轮23处于啮合状态,扭簧4处于自然松弛状态。
打印机启动电源后,包括计数齿轮31、转轴32和计数检测轮33的计数检测构件3在搅拌齿轮23的带动下转动,主凸起331持续地抵触着打印机计数触杆;随后打印机计数触杆进入主凸起331与副凸起332之间的第一间隙段,计数检测轮33解除对打印机计数触杆的抵触;随后第一个副凸起332抵触到打印机计数触杆;随后打印机计数触杆进入两个副凸起332之间的第二间隙段,计数复位齿轮1解除对打印机计数触杆的抵触;随后第二个副凸起332抵触到打印机计数触杆;随后,随着计数齿轮31的第三齿部311与搅拌齿轮23的啮合结束、转换至计数齿轮31的缺齿部312正对搅拌齿轮23的无啮合状态,且打印机计数触杆进入了第二个副凸起332与主凸起331之间的第三间隙段,计数检测轮33解除对打印机计数触杆的抵触,同时,计数检测轮33的下限位肋条334与扭簧4的第二弹臂42处于张力抵接状态,在扭簧4的作用力下,计数检测轮33快速继续向前旋转一定的角度,直至计数检测轮33的上限位肋条333抵碰到了限位件34的卡扣而被迫停止旋转并此停留位置,而此时计数检测轮33的主凸起331的前方端也再次抵触到了打印机计数触杆,而计数检测轮33的下限位肋条334与扭簧4之间仍处于张力抵接状态。至此,打印机完成了计数识别工作,碳粉盒处于打印工作就绪状态。
当显影盒从打印机里或鼓架内取出后,限位件34没有了外力挤压而在弹簧5的恢复力下向外弹出并解除了与上限位肋条333之间的转动限制配合,此时,计数检测轮33在扭簧3的作用力下,将继续向前旋转一定的角度,使得计数齿轮31的第三齿部311的前方端再次啮合搅拌齿轮23,计数检测轮33的主凸起331也继续抵触着打印机的计数触杆,上限位肋条333与限位件34的卡扣产生错位并使得上限位肋条333位于前方;当碳粉盒再次装入打印机时,限位件34再次受到打印机内侧壁的挤压而内缩,限位件34的卡扣内收而上限位肋条333位于限位件34的卡扣的正前方,计数齿轮31、转轴32和计数检测轮33回到了其初始位置状态,这一过程完成了计数检测构件的自动复位工作。
本发明主要目的在于解决对计数检测轮33传动精度以及计数检测精度的问题。本发明增设计数齿轮31和转轴32,在动力传递至位于第一端101的搅拌齿轮23后,不再借助搅拌轴将动力传递至第二端102,而是在第一端101将动力传递给计数齿轮31,再由转轴32传递至位于第二端102上的计数检测轮33。由于转轴32并非搅拌轴、不需要配合搅拌架与粉仓内碳粉互相产生影响力,更优的是,本实施例中的转轴32整体位于粉仓之外,因而能够更有效解决碳粉对转轴32转动的阻碍,更优的是,本实施例的转轴32设置为截面成十字状轴以提升其抗扭能力。因此,此设置下,通过搅拌齿轮23、计数齿轮31、转轴32和计数检测轮33依次传动的方式能够将动力跨越第一端101和第二端102进行传递且避免转轴32承受较大扭矩而影响传动精度,因而能够保证计数检测轮33转过角度的准确度,继而保证计数检测精度。
当然地,其他实施例中,转轴可以穿过粉仓的方式延伸于第一端与第二端之间。由于搅拌轴形成较大扭矩原因在于搅拌架与碳粉之间具有较大相互作用力,而转轴上不安装搅拌架,相对于搅拌轴而言,即使转轴置于粉仓内,其因碳粉所受到的扭矩也要小得多,因而也能一定程度提升传动精度。
另外,计数检测构件的弹性复位利用了设置在第二端端盖与计数检测轮之间的扭簧实现。由于本发明中位于第一端的计数齿轮与位于第二端的计数检测轮同轴转动,因此,在其他实施例中,可以将扭簧设置在盒体的第一端的第一端盖与计数齿轮之间,当然地,用于与扭簧的第二弹臂配合的下限位肋条也设置在计数齿轮上。此设置同样能够实现计数检测构件的自动复位。
其他实施例中,计数齿轮和计数检测轮中的仅一个可从转轴上拆卸,或计数齿轮、转轴和计数检测轮之间一体成型。
其他实施例中,联结件、惰轮和计数齿轮依次啮合,或联结件、惰轮、增设的传动齿轮和计数齿轮依次啮合。即,从联结件到计数齿轮的传动结构中不包括搅拌齿轮。
其他实施例中,联结件、增设的传动齿轮和计数齿轮依次啮合,即,从联结件到计数齿轮的传动结构中不包括惰轮和搅拌齿轮。
其他实施例中,限位件沿转轴的轴向可活动地安装在计数检测轮上,但计数检测轮与限位件之间不设置弹簧。此设置下,将显影盒从打印机起初后需要人手拔起限位件去触发计数检测轮的复位动作。
其他实施例中,显影盒不设置弹簧、扭簧和限位件,计数齿轮上不具有缺齿部。此设置下计数检测轮需要完全依靠手动复位。
另外,本发明还请求保护一种处理盒,处理盒包括本发明的显影盒。
最后需要强调的是,以上所述仅为本发明的优选实施例,并不用于限制本发明,对于本领域的技术人员来说,本发明可以有各种变化和更改,凡在本发明的精神和原则之内,所做的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
本发明提供的处理盒作为打印耗材应用在激光打印机上,处理盒通过联结件接收打印机的驱动力后能够带动计数检测轮转动,并且由于延伸于处理盒两端的转轴的传动不受碳粉阻碍,转轴所受扭矩也较小而保证转轴两端的计数齿轮与计数检测轮之间的传动精度,继而提升计数检测精度。
另外,本发明提供的处理盒中,盒体、联结件、计数齿轮、转轴、计数检测轮和惰轮等均能够通过注塑工艺实现批量加工,其余零部件同样能够实现批量加工生产,且计数齿轮、计数检测轮与转轴可拆卸连接设计使得处理盒更易于装配和拆解。
Claims (10)
- 一种显影盒,包括盒体和安装在所述盒体上的计数检测构件,所述盒体内设有粉仓,在第一方向上,所述盒体包括相对设置的第一端和第二端;其特征在于:所述计数检测构件包括计数齿轮、转轴和计数检测轮;所述计数齿轮设置在所述第一端而所述计数检测轮设置在所述第二端,所述转轴沿所述第一方向贯穿于所述第一端与所述第二端之间,所述计数齿轮和所述计数检测轮分别连接在所述转轴的相对两端。
- 根据权利要求1所述的显影盒,其特征在于:所述转轴置于所述粉仓之外。
- 根据权利要求2所述的显影盒,其特征在于:所述盒体设有凹陷于自身表面的安装凹位,所述转轴的至少一部分位于在所述安装凹位中。
- 根据权利要求1所述的显影盒,其特征在于:所述计数齿轮和所述计数检测轮中的至少一个与所述转轴可拆卸连接。
- 根据权利要求1至4任一项所述的显影盒,其特征在于:所述显影盒包括联结件,所述联结件能够从打印机接受驱动力;所述联结件连接在所述盒体上且位于所述第一端,所述联结件与所述计数齿轮传动配合。
- 根据权利要求5所述的显影盒,其特征在于:所述显影盒还包括搅拌架和搅拌齿轮;所述搅拌架设置在所述粉仓内,所述搅拌齿轮设置在所述第一端,所述搅拌齿轮用于带动所述搅拌架;所述第一端上,所述搅拌齿轮与所述计数齿轮啮合。
- 根据权利要求6所述的显影盒,其特征在于:所述搅拌齿轮包括沿自身轴向依次设置的第一齿部和第二齿部;所述显影盒还包括惰轮,所述联结件与所述惰轮传动配合;所述第一齿部与所述惰轮啮合,所述第二齿部与所述计数齿轮啮合。
- 根据权利要求7所述的显影盒,其特征在于:所述计数齿轮的外周设有沿自身周向依次设置的第三齿部和缺齿部;所述第三齿部与所述第二齿部啮合。
- 根据权利要求1至4任一项所述的显影盒,其特征在于:所述显影盒还包括扭簧;所述盒体包括设置在所述第二端的第二端盖,所述扭簧连接在所述第二端盖与所述计数检测轮之间;或,所述盒体包括设置在所述第一端的第一端盖,所述扭簧连接在所述第一端盖与所述计数齿轮之间。
- 处理盒,其特征在于,包括上述权利要求1至9任一项所述的显影盒。
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WO2022089653A1 (zh) * | 2020-11-02 | 2022-05-05 | 江西亿铂电子科技有限公司 | 一种显影盒 |
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CN110824871A (zh) * | 2019-12-23 | 2020-02-21 | 中山市鸿芃泰塑胶模具科技有限公司 | 显影盒 |
CN215219434U (zh) * | 2021-07-30 | 2021-12-17 | 珠海超俊科技有限公司 | 显影盒 |
CN217113047U (zh) * | 2022-04-18 | 2022-08-02 | 珠海超俊科技有限公司 | 显影盒 |
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CN114326345A (zh) * | 2022-01-28 | 2022-04-12 | 珠海市源呈数码科技有限公司 | 一种显影盒 |
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