WO2015014251A1 - Boîtier révélateur - Google Patents

Boîtier révélateur Download PDF

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Publication number
WO2015014251A1
WO2015014251A1 PCT/CN2014/083120 CN2014083120W WO2015014251A1 WO 2015014251 A1 WO2015014251 A1 WO 2015014251A1 CN 2014083120 W CN2014083120 W CN 2014083120W WO 2015014251 A1 WO2015014251 A1 WO 2015014251A1
Authority
WO
WIPO (PCT)
Prior art keywords
wheel
detecting
end wall
developer cartridge
gear
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2014/083120
Other languages
English (en)
Chinese (zh)
Inventor
廖庆军
李胜夫
卢艳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Print Rite Unicorn Image Products Co Ltd
Original Assignee
Print Rite Unicorn Image Products Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Print Rite Unicorn Image Products Co Ltd filed Critical Print Rite Unicorn Image Products Co Ltd
Publication of WO2015014251A1 publication Critical patent/WO2015014251A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/1642—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements for connecting the different parts of the apparatus
    • G03G21/1647—Mechanical connection means
    • 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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/1661—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements means for handling parts of the apparatus in the apparatus
    • G03G21/1676—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements means for handling parts of the apparatus in the apparatus for the developer unit
    • 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
    • G03G15/0863—Arrangements for preparing, mixing, supplying or dispensing developer provided with identifying means or means for storing process- or use parameters, e.g. an electronic memory
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
    • G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
    • G03G2221/1651—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for connecting the different parts
    • G03G2221/1657—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for connecting the different parts transmitting mechanical drive power

Definitions

  • the present invention relates to a developer cartridge for an image forming apparatus such as a laser printer or a copying machine.
  • the present application claims priority to Chinese Patent Application No. 201310335091.X filed on Aug. 2, 2013, entitled &quot
  • a developing device that develops an electrostatic latent image formed on a photosensitive drum is provided, and the developing device applies a developer to the electrostatic latent image for development.
  • the developer consumed for development is generally provided by a developer cartridge, and after the developer in the developer cartridge is used up, a new developer cartridge is replaced.
  • the partial integral and split developer cartridges are provided with use state detecting means for cooperating with sensors on the image forming apparatus to detect whether the developer cartridge being used is new.
  • the Chinese Utility Model Patent No. CN200720060742.9 discloses a developer cartridge provided with a use state detecting device, which includes a powder silo for accommodating the developer, a stirring frame, a powder feeding roller, a developing roller, and a powder discharging knife. And, the end wall on one side of the developer cartridge is provided with a gear transmission mechanism for transmitting the driving force input from the image forming apparatus to the agitating frame, the powder feeding roller, and the developing roller for operation.
  • an end wall provided with a gear transmission mechanism is further provided with a detecting means for identifying whether the developer cartridge has undergone use, and triggering corresponding use in the image forming apparatus.
  • the detecting device mainly comprises a detecting wheel and a torsion spring.
  • the detecting wheel is rotatably supported on a supporting shaft fixedly disposed on an outer surface of the end wall, and is fixed on an end surface of the detecting wheel axially opposite to the end wall.
  • the torsion spring is sleeved on the support shaft, and the outer end portion of the biasing arm at one end of the spiral intermediate portion forms a hook portion which is hooked from the detecting wheel to the torsion spring The other end of the force-receiving arm projecting from the end face is pressed against the baffle formed around the support shaft.
  • the torsion spring Before the developer cartridge is loaded into the image forming apparatus, the torsion spring is in a taut state, and the detecting wheel is locked by the gear transmission mechanism.
  • the first gear in the gear transmission mechanism rotates the detecting wheel by an angle with the toothed projection on the detecting wheel, and the torsion spring releases the elastic force to the detecting wheel. The rotation continues in the original direction, and the detection state triggers the corresponding use state sensor in the image forming apparatus by the trigger member, so that the image forming apparatus can recognize whether the developer cartridge has experienced the use state.
  • the function of the torsion spring is mainly used to promote the contact of the trigger member to the image forming apparatus.
  • the defect is that the detecting wheel rotates counterclockwise under the resetting force of the torsion spring, and the two trigger members are successively in contact with the sensor. The momentary separation, the time is extremely short, the reset effect is not good, and the time interval at which the sensor of the image forming apparatus is triggered cannot be realized.
  • the technical problem to be solved by the present invention is to provide a developer cartridge having a more reliable use state detecting device, and a new developer cartridge having such a detecting device can be accurately implemented as an image forming device sensor after being loaded into an image forming apparatus There is a delay detection.
  • a developer cartridge is designed, including a casing having a powder storage bin, the casing having a first end wall and a second end wall, and a mixing frame in the powder storage bin
  • the first end wall is provided with a transmission gear, a stirring frame gear fixed to an end of the agitating frame, and a detecting device cooperating with a sensor of the image forming apparatus, the detecting device comprising rotatably supporting the a detecting wheel on the first end wall and a torsion spring for detecting the resetting of the wheel, wherein the detecting wheel is provided with a toothed protrusion engageable with the transmission gear and a triggering member for triggering the sensor; wherein a first shifting lever is disposed on the outer end surface of the agitator gear, the first shifting lever is located at a position offset from the axis of the agitating gear, and a second lever is disposed on the detecting wheel;
  • the inner end surface of the detecting wheel is
  • the trigger member toggles the sensor and continues to abut thereon; in the working state, the first lever rotates with the agitator gear and toggles the second lever to make the elasticity
  • the member passes over the blocking member to cause the detecting wheel to continue to rotate a third predetermined angle under the restoring force of the torsion spring.
  • the elastic member may be an elastic sheet or an elastic block.
  • the blocking member may be a stopper or a flap.
  • the second lever can extend outward in the radial direction of the detecting wheel.
  • the detecting wheel is rotatably supported on a support shaft on the first end wall, the torsion spring is sleeved on the support shaft; and the torsion spring includes a spiral intermediate portion And an urging arm and a root at both ends of the intermediate portion; the urging arm is pressed against the detecting wheel, and the root is pressed against a baffle fixed to the first end wall.
  • the detecting wheel includes a wheel body and a sleeve extending along an axis of the wheel body, the toothed protrusion being provided on a circumferential surface of the wheel body and along the wheel
  • the body extends radially outward; a fan-shaped boss is disposed on the outer end surface of the wheel body, the trigger member is fixed on one side of the sector-shaped boss; and the second lever is disposed on the wheel On the surface.
  • the developer cartridge of the present invention prolongs the contact time between the trigger member and the sensor by the cooperation of the elastic member and the blocking member and the cooperation of the first lever and the second lever during the rotation of the detecting wheel, thereby realizing the existence of the sensor.
  • the delay detection enables the central processing unit of the laser printer to enter the counting operation state and record the working history of the developer cartridge.
  • Figure 1 is a schematic view showing the structure of an embodiment of the developer cartridge of the present invention.
  • Figure 2 is a schematic view showing the structure of the end portion of the developer cartridge shown in Figure 1 after removing the shield;
  • Figure 3 is an exploded perspective view of the end portion of the developer cartridge shown in Figure 1;
  • Figure 4 is a schematic structural view of the detecting device of the developer cartridge shown in Figure 1;
  • Figure 5 is a perspective view of a torsion spring in the detecting device shown in Figure 4;
  • Figure 6 is a schematic structural view 1 of the detecting wheel in the detecting device shown in Figure 2;
  • Figure 7 is a second schematic structural view of the detecting wheel in the detecting device shown in Figure 2;
  • Figure 8 is a schematic structural view 3 of the detecting wheel in the detecting device shown in Figure 2;
  • Figure 9 is a schematic view showing the initial state of the detecting device shown in Figure 2;
  • Figure 10 is a schematic view showing the starting state of the detecting device shown in Figure 2;
  • Figure 11 is a schematic view showing the working state of the detecting device shown in Figure 2;
  • Figure 12 is a schematic view showing the end state of the detecting device shown in Figure 2;
  • the developer cartridge of the present invention is applied to an image forming apparatus such as a laser printer, which comprises a casing 1 surrounded by a first end wall 11, a second end wall 12 and a plurality of side walls, the casing
  • the inside of the body 1 is divided into a powder storage bin 10 storing a developer of a rated amount and a developing cartridge for storing a certain developer and performing a process of adsorbing the developer on the surface of the developing roller 2 (only the end portion is shown), and the powder storage bin 10 is provided therein.
  • the mixing rack 3, the powder feeding roller 10 and the developing chamber are provided with a powder feeding roller 4 for supplying the developer to the developing roller 2, and the developing roller 2 and the powder feeding roller 4 are rotatably supported on the both end walls of the casing 1 to develop Above the roller 2, a powder discharging knife (not shown) for adjusting the thickness of the developer layer on the surface of the developing roller is provided.
  • the first end wall 11 of the casing 1 is provided with a gear transmission mechanism 6 for transmitting the rotational torque input by the laser printer to the agitating frame 3, the powder feeding roller 4 and the developing roller 2 so that they respectively perform stirring, powder feeding and
  • the agitator 3 receives the driving force by meshing with the gear mechanism 6 by the agitator gear 31 fixed at its end.
  • a shield 5 is disposed outside the gear transmission mechanism 6, and the shield 5 can be fixed to the first end wall 11 by bolts 51 or a snap fastener, etc., thereby enclosing the gear transmission mechanism 6 by the shield 5 and the first In the inner cavity surrounded by the end wall 11, the gear transmission mechanism 6 is prevented from being exposed to affect the viewing and the influence of flying dust.
  • the surface of the shield 5 itself facing the first end wall 11 is in sliding contact with the corresponding gear axial end face in the gear transmission mechanism 6, and the gear transmission mechanism 6 is axially positioned to avoid the gear transmission mechanism 6.
  • the gears are detached from the corresponding gear shafts to cause printing defects and the like.
  • a detecting device 7 is further disposed between the first end wall 11 and the shield 5 for triggering a corresponding use state sensor in the laser printer to determine whether the developer cartridge has been experienced.
  • the detecting device 7 comprises a detecting wheel 8 and a torsion spring 9 which is rotatably supported by a sleeve 86 provided on its own central axis and fixedly mounted on the first end wall 11 On the support shaft 102, a torsion spring 9 is sleeved on the support shaft 102.
  • the torsion spring 9 includes a spiral intermediate portion 91 and a biasing arm 92 and a root portion 93 at opposite ends of the intermediate portion 91.
  • the biasing arm 92 forms an acute angle with the end surface of the intermediate portion connecting the biasing arm.
  • the outer end portion of the arm 92 is formed with a hook portion 94 which is hooked on the force receiving arm 83 which projects from the detecting wheel 8 near the end surface 84 of the torsion spring 9.
  • the torsion spring 9 is twisted or twisted, the urging arm 92 is pressed against the force receiving arm 83 of the detecting wheel 8, and the hook portion 94 is in contact with the end surface 84 of the detecting wheel near the torsion spring 9, The detecting wheel 8 is pressed against the hook portion 94 in the axial direction of the support shaft 102.
  • the root portion 93 of the torsion spring 9 is pressed against the baffle 103 fixed to the first end wall 11, and the baffle 103 is provided with four pieces around the root portion of the support shaft 102, which extend outward in the radial direction of the support shaft 103, respectively. .
  • the detecting wheel 8 is mainly composed of a wheel body 85 and a sleeve 86 extending along the axis of the wheel body 85.
  • the wheel circumferential surface 851 of the wheel body 85 is provided with a radially outward extension along the wheel body 85.
  • a fan-shaped boss 853 is provided on the outer end surface 852 of the wheel body 85 (the end face of the first end wall 11 facing away from the axial direction), and a trigger for triggering the sensor of the laser printer is fixed on one side of the sector-shaped boss 853 Item 82.
  • the toothed projection 81 of the detecting wheel 8 is engaged in one of the slots of one of the gear transmissions 6 (see FIG. 2), while the torsion spring 9 is being twisted or In the twisted state, the original elastic force is applied to the detecting wheel 8 through the biasing arm 92.
  • the reluctance coefficient of the torsion spring 9 or the generated torsional force is selected to be smaller than the force required to urge the gear transmission mechanism 6 to rotate.
  • a first shift lever 32 is disposed on the outer end surface of the agitator gear 31, and the first shift lever 32 is located at a position offset from the axial center of the agitator gear 31, and a second shift lever is disposed on the circumferential surface 851 of the wheel body 85. 87.
  • the second lever 87 extends outward in the radial direction of the wheel body 85.
  • An elastic member 88 extending inwardly along its own axial direction is fixed to the inner end surface 84 of the wheel body 85.
  • the elastic member 88 may be formed of an elastic piece, an elastic block or other suitable elastic structure, and the first end wall 11 is fixed.
  • the blocking member may employ a stopper, a flap or other suitable blocking structure.
  • the toothed projection 81 on the detecting wheel 8 is engaged with the tooth groove of the transmission gear 61, and the triggering member 82 abuts against the sensor 20, at this time.
  • the detection wheel 8 is in a first rest state.
  • the laser printer is started, and the internal system of the laser printer starts to detect the developer cartridge.
  • the rotational torque for starting the operation of the developer cartridge is gradually transmitted to the transition gear in the gear transmission mechanism 6 to the stepwise transmission.
  • the transmission gear 61 drives the transmission gear 61 to rotate a first predetermined angle in the clockwise direction, and at the same time, the detection wheel 8 is rotated by a certain angle in the counterclockwise direction by the toothed protrusion 81 engaged in the tooth groove of the self, as shown in FIG.
  • the toothed projection 81 is out of the contact range or range of action of the aforementioned slot
  • the restoring force of the torsion spring 9 is applied to the detecting wheel 8 by the biasing arm 92 to cause it to continue to rotate in the counterclockwise direction.
  • the engagement of the elastic member 88 with the blocking member 13 and the cooperation of the first lever 32 and the second lever 87 extend the contact time of the trigger member 82 with the sensor 20, thereby realizing the presence of the sensor.
  • the delay detection enables the central processing unit of the laser printer to enter the counting state and record the working history of the developer cartridge.
  • the developer cartridge of the present invention can be industrially manufactured or used, and has industrial applicability.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)

Abstract

La présente invention concerne un boîtier révélateur, comprenant un corps de boîtier (1) qui comporte un bac (10) de stockage de poudre, le corps de boîtier (1) étant pourvu d'une première paroi d'extrémité (11) et d'une seconde paroi d'extrémité (12), et un cadre d'agitation (3) est agencé dans le bac (10) de stockage de poudre ; un engrenage de transmission (61), un engrenage de cadre (31) d'agitation et un dispositif de détection (7) sont agencés sur la première paroi latérale (11), le dispositif de détection (7) comprenant une roue (8) de détection et un ressort de torsion (9), et un renflement (81) en forme de dent et un élément de déclenchement (82) sont agencés sur la roue (8) de détection ; une première tige de déflecteur (32) est agencée sur la surface d'extrémité extérieure de l'engrenage de cadre (31) d'agitation, la première tige de déflecteur (32) étant située dans la position s'écartant du centre d'essieu de l'engrenage de cadre (31) d'agitation, et une seconde tige de déflecteur (87) est agencée sur la roue (8) de détection ; et un élément élastique (88) qui s'étend vers l'intérieur le long de sa direction axiale est fixé sur la surface d'extrémité intérieure de la roue (8) de détection, et un élément de blocage (13) servant à bloquer l'élément élastique (88) est fixé sur la première paroi d'extrémité (11).
PCT/CN2014/083120 2013-08-02 2014-07-28 Boîtier révélateur Ceased WO2015014251A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310335091.XA CN103399476B (zh) 2013-08-02 2013-08-02 显影剂盒
CN201310335091.X 2013-08-02

Publications (1)

Publication Number Publication Date
WO2015014251A1 true WO2015014251A1 (fr) 2015-02-05

Family

ID=49563119

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2014/083120 Ceased WO2015014251A1 (fr) 2013-08-02 2014-07-28 Boîtier révélateur

Country Status (2)

Country Link
CN (1) CN103399476B (fr)
WO (1) WO2015014251A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108681220A (zh) * 2018-07-18 2018-10-19 珠海精专科技有限公司 一种可自动复位清零的碳粉盒
CN113406873A (zh) * 2021-06-10 2021-09-17 珠海展望打印耗材有限公司 一种外置复位结构的碳粉盒

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103399476B (zh) * 2013-08-02 2016-04-27 珠海天威飞马打印耗材有限公司 显影剂盒
CN103399475B (zh) * 2013-08-02 2016-05-25 珠海天威飞马打印耗材有限公司 一种显影剂盒
CN105629691B (zh) * 2014-08-22 2019-11-08 纳思达股份有限公司 一种显影盒
CN108089417B (zh) * 2016-11-21 2024-05-14 江西亿铂电子科技有限公司 一种带有计数机构的盒
CN110727188B (zh) * 2019-10-24 2025-06-06 珠海天威飞马打印耗材有限公司 显影盒和成像设备
CN110727186B (zh) * 2019-10-24 2025-02-18 珠海天威飞马打印耗材有限公司 显影盒和成像设备
CN113126459B (zh) * 2020-01-10 2024-09-20 江西亿铂电子科技有限公司 一种显影盒
CN113448214B (zh) * 2021-06-11 2023-03-31 珠海超俊科技有限公司 一种显影盒的检测机构及其复位方法
CN116149151B (zh) * 2021-11-19 2025-11-11 珠海市拓佳科技有限公司 显影盒
CN116125768A (zh) * 2023-01-29 2023-05-16 珠海市佳联信耗材有限公司 一种显影盒和处理盒

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CN201122233Y (zh) * 2007-12-03 2008-09-24 珠海天威飞马打印耗材有限公司 碳粉盒
US20120134688A1 (en) * 2010-11-30 2012-05-31 Brother Kogyo Kabushiki Kaisha New/used cartridge detection
EP1696279B1 (fr) * 2005-02-28 2012-08-01 Brother Kogyo Kabushiki Kaisha Appareil de formation d'images et cartouche de développateur
CN203101817U (zh) * 2013-01-09 2013-07-31 珠海赛纳打印科技股份有限公司 显影剂盒及图像形成装置
CN103399476A (zh) * 2013-08-02 2013-11-20 珠海天威飞马打印耗材有限公司 显影剂盒
CN103399475A (zh) * 2013-08-02 2013-11-20 珠海天威飞马打印耗材有限公司 一种显影剂盒

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CN1828446B (zh) * 2005-02-28 2010-04-21 兄弟工业株式会社 图像形成装置和用于其中的显影剂盒
CN202421742U (zh) * 2011-12-30 2012-09-05 江西亿铂电子科技有限公司 处理盒

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EP1696279B1 (fr) * 2005-02-28 2012-08-01 Brother Kogyo Kabushiki Kaisha Appareil de formation d'images et cartouche de développateur
CN201122233Y (zh) * 2007-12-03 2008-09-24 珠海天威飞马打印耗材有限公司 碳粉盒
US20120134688A1 (en) * 2010-11-30 2012-05-31 Brother Kogyo Kabushiki Kaisha New/used cartridge detection
CN203101817U (zh) * 2013-01-09 2013-07-31 珠海赛纳打印科技股份有限公司 显影剂盒及图像形成装置
CN103399476A (zh) * 2013-08-02 2013-11-20 珠海天威飞马打印耗材有限公司 显影剂盒
CN103399475A (zh) * 2013-08-02 2013-11-20 珠海天威飞马打印耗材有限公司 一种显影剂盒

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108681220A (zh) * 2018-07-18 2018-10-19 珠海精专科技有限公司 一种可自动复位清零的碳粉盒
CN113406873A (zh) * 2021-06-10 2021-09-17 珠海展望打印耗材有限公司 一种外置复位结构的碳粉盒

Also Published As

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CN103399476B (zh) 2016-04-27

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