WO2017114140A1 - 图像形成设备用粉盒、显影盒以及图像形成设备 - Google Patents

图像形成设备用粉盒、显影盒以及图像形成设备 Download PDF

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Publication number
WO2017114140A1
WO2017114140A1 PCT/CN2016/109326 CN2016109326W WO2017114140A1 WO 2017114140 A1 WO2017114140 A1 WO 2017114140A1 CN 2016109326 W CN2016109326 W CN 2016109326W WO 2017114140 A1 WO2017114140 A1 WO 2017114140A1
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WO
WIPO (PCT)
Prior art keywords
contact
contacts
storage element
image forming
forming apparatus
Prior art date
Application number
PCT/CN2016/109326
Other languages
English (en)
French (fr)
Inventor
尹爱国
黄超豪
万立
Original Assignee
珠海赛纳打印科技股份有限公司
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 珠海赛纳打印科技股份有限公司 filed Critical 珠海赛纳打印科技股份有限公司
Priority to RU2018125300A priority Critical patent/RU2726914C2/ru
Priority to EP16880930.9A priority patent/EP3385793B1/en
Publication of WO2017114140A1 publication Critical patent/WO2017114140A1/zh
Priority to US16/025,007 priority patent/US10394160B2/en

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Classifications

    • 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
    • G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
    • G03G15/0808—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by the developer supplying means, e.g. structure of developer supply roller
    • 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
    • G03G15/0863—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
    • 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
    • G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
    • G03G21/1875—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit provided with identifying means or means for storing process- or use parameters, e.g. lifetime of the cartridge
    • G03G21/1878—Electronically readable memory
    • G03G21/1882—Electronically readable memory details of the communication with memory, e.g. wireless communication, protocols
    • G03G21/1885—Electronically readable memory details of the communication with memory, e.g. wireless communication, protocols position of the memory; memory housings; electrodes
    • 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
    • G03G2221/166—Electrical connectors
    • 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
    • G03G2221/18—Cartridge systems
    • G03G2221/1823—Cartridges having electronically readable memory

Definitions

  • the present invention relates to the field of imaging technology, and in particular to a toner cartridge for an image forming apparatus, a developing cartridge including the same, and an image forming apparatus.
  • a printer or an image forming apparatus having a printing function (hereinafter referred to as an image forming apparatus) is a common office equipment and has gradually become a home electronic device.
  • Most existing laser printers use a detachable developing cartridge (or a toner cartridge, etc.) to form an image on a recording medium.
  • the developing cartridge is mounted in a printer, the developing cartridge includes a storage element, and the storage component is provided with a storage unit, a storage unit. It is possible to store information such as model number, capacity, use area, and the like of the developing cartridge.
  • the printer body is provided with a contact member in contact with the developing cartridge storage member, for example, a plurality of springs are disposed on the printer main body to be in contact with the plurality of contacts on the developing cartridge storage member, thereby realizing electrical connection between the printer and the developing cartridge storage member
  • the information interaction enables the printer to acquire or rewrite information in the developing cartridge storage element.
  • the developing cartridge storage element usually includes a ground contact, a voltage contact, and a plurality of signal contacts, and the printer body also includes a ground contact contact, a voltage contact contact, and a plurality of signals corresponding to the storage element contact. Contact contact.
  • the printer may cause contact between the storage element of the developing cartridge and the main body of the printer due to vibration, impact, etc., when the voltage contact of the developing device storage element occurs.
  • the printer body voltage contact contact is in normal contact, and the developing device storage element ground contact is disconnected from the printer body ground contact contact, the voltage on the developing device storage element contact is also unstable, which is easy to A high voltage is formed across the contacts of the storage element to cause a discharge to damage components on the storage element.
  • FIG. 1 is a schematic diagram of an external circuit of a storage element when a developing cartridge storage element in an existing printer operates.
  • the memory element is provided with a voltage contact (VCC), a ground contact (GND), and a signal contact (SDA, SCL).
  • VCC voltage contact
  • GND ground contact
  • SDA signal contact
  • a current path is formed between the voltage contact (VCC) and the signal contact (SDA, SCL) through a plurality of components (such as capacitors, resistors, transistors, etc.) inside the storage element, and the current is passed by the VCC contact.
  • a plurality of components inside the storage element flow to the SDA contacts and the SCL contacts.
  • VCC voltage contact
  • SDA signal contact
  • the developing cartridge storage member is often disposed close to the developing roller, and the toner on the surface of the developing roller is easily splashed onto the developing cartridge storage member during the image forming process, which may contaminate the developing cartridge storage member, resulting in contamination of the developing cartridge storage member.
  • the developing cartridge storage element is in poor contact with the printer main body.
  • the present invention provides a toner cartridge for an image forming apparatus, the powder cartridge including a housing in which a powder magazine for storing toner is disposed, and a rear side of the housing is provided with a developing roller;
  • the toner cartridge further comprises:
  • a storage element on the lower surface of the casing for storing the container information; and the storage element is located closer to the front side opposite to the rear side with respect to the rear side of the casing in which the developing roller is located At the office.
  • the toner cartridge further includes: a pressed portion extending from a left side and/or a right side of the side wall of the container casing; after the toner cartridge is mounted to the image forming apparatus, the The pressing portion receives a first force from the imaging device, the storage element receiving a second force from the imaging device, the first force and the second force being opposite in direction.
  • the storage element is provided with two rows of contacts, close to The first row of contacts of the developing roller includes a voltage contact and a ground contact, and the second row of contacts includes a signal contact;
  • the image forming apparatus includes a body, and the body is respectively provided with the voltage contact a grounding contact, a corresponding contact of the signal contact connection; and in the process of mounting the toner cartridge to the image forming apparatus, the ground contact and the corresponding contact in the main body are turned on earlier than The voltage contacts are electrically connected to respective ones of the bodies, the voltage contacts being conductive to the respective contacts in the body earlier than the respective contacts of the signal contacts and the body.
  • the storage element is provided with two rows of contacts, and the first row of contacts adjacent to the developing roller includes a voltage contact and a ground contact, and the second row of contacts Including a signal contact;
  • the image forming apparatus includes a body in which respective contacts respectively connected to the voltage contact, the ground contact, and the signal contact are disposed; and the toner cartridge is formed from the image During the removal of the device, the disconnection of the signal contact from the corresponding contact in the body is earlier than the disconnection of the voltage contact from the corresponding contact in the body, the voltage contact and the corresponding contact in the body The disconnection is earlier than the disconnection of the ground contact with the corresponding contact in the body.
  • the present invention also provides a developing cartridge for an image forming apparatus, the developing cartridge comprising a drum assembly for supporting a photosensitive drum, the developing cartridge further comprising the toner cartridge according to any one of the above.
  • the upper surface of the drum assembly is also provided with a storage element for storing the drum assembly information.
  • the storage element contacts on the drum assembly are disposed in a row, and the storage member is located at a position close to the rear side of the drum assembly frame.
  • the right side of the drum assembly is provided with a discharge port for discharging waste toner
  • the storage member is on the upper surface at a position close to the left side of the drum assembly frame.
  • a distance between a center of a portion of each of the drum assembly storage elements abutting the printer contact portion is d1; a first row of the toner cartridge storage member a distance between a center of a portion where the contact abuts the printer contact portion and a center of a portion of the container storage member where the second row of contacts abuts the printer contact portion is d2; the first row of the toner cartridge storage member The distance between the contact and the center of the portion where the printer contact abuts is d3; and d1>d2, d1>d3.
  • the present invention also provides an image forming apparatus including a main body for mounting a toner cartridge or a developing cartridge, wherein the main body is provided with a storage container or a storage element in the developing cartridge A contact member to which a contact is connected, and the image forming apparatus further provided with the toner cartridge according to any one of the above, or the developing cartridge according to any of the above.
  • the developing cartridge storage member is disposed at a position away from the powder discharge port of the toner cartridge, and can solve the technical defect in the prior art that the storage member is easily contaminated due to the proximity of the storage member to the developing roller, thereby causing poor contact between the developing cartridge storage member and the body.
  • the conduction between the ground contact of the storage element and the corresponding contact in the main body is earlier than the conduction between the voltage contact and the corresponding contact in the main body, which can solve the problem of easily forming a high voltage on the contact of the storage element in the prior art.
  • the conduction between the voltage contact and the corresponding contact in the main body is earlier than the conduction between the signal contact and the corresponding contact in the main body, and the plurality of contacts on the storage element and the main body of the printer can be solved.
  • FIG. 1 is a schematic diagram of an external circuit of a storage element when a developing cartridge storage element in an existing printer operates;
  • FIG. 2 is a schematic view showing the overall structure of an image forming apparatus according to Embodiment 1 of the present invention
  • FIG. 3 is a schematic structural view of a developing cartridge according to Embodiment 1 of the present invention.
  • Figure 4 is a plan view showing the developing element of the developing cartridge of the first embodiment of the present invention.
  • Figure 5 is a perspective view showing the storage element of the developing cartridge according to the first embodiment of the present invention.
  • FIG. 6 is a schematic diagram showing the sequence of contact between a storage element contact and a main body contact spring according to Embodiment 1 of the present invention
  • Figure 7 is a plan view showing the storage element of the developing cartridge of the second embodiment of the present invention.
  • FIG. 8 is a schematic diagram of a storage element contact setting manner according to Embodiment 2 of the present invention.
  • FIG. 9 is a partial schematic view of the main body of an image forming apparatus according to Embodiment 3 of the present invention.
  • Figure 10 is a view showing a developing cartridge storage element contact and an image forming apparatus main body contact bullet according to a fourth embodiment of the present invention. Schematic diagram of the cooperation relationship of the spring;
  • FIG. 11 is a schematic structural view of a drum assembly according to Embodiment 5 of the present invention.
  • FIG. 12 is a schematic structural view of a powder container according to Embodiment 5 of the present invention.
  • Figure 13 is a schematic structural view of a storage element on the drum assembly of Figure 11;
  • Figure 14 is a schematic view showing the structure of the storage element on the container of Figure 12;
  • FIG. 2 is a schematic diagram showing the overall structure of an image forming apparatus provided by this embodiment.
  • the image forming apparatus 100 includes an image forming apparatus main body 101, a developing cartridge 102, a paper feed roller 103, and a fixing assembly 104.
  • the developing cartridge 102 is used to form an image and transfer the image onto a recording medium.
  • the developing cartridge 102 is detachably mounted in an image forming apparatus on which a storage element is mounted for recording developing cartridge information and imaging control parameters.
  • the image forming apparatus main body 101 communicates with the developing cartridge by electrically connecting with a storage element on the developing cartridge 102, for example, reading developing cartridge information and control parameters in the storage element, or writing developing cartridge use information to the storage element.
  • the paper feed roller 103 is for conveying a recording medium, for example, conveying paper.
  • the fixing unit 104 is for fixing an image transferred from the developing cartridge onto the recording medium to the recording medium.
  • the developing device 200 includes a storage element 210 and a photosensitive drum 220.
  • the storage element 210 is provided with a plurality of contacts 211 to 214.
  • One end of the photosensitive drum 220 is provided with a transmission gear 221 for receiving the driving force transmitted by the driving gear of the imaging device body. Drive the drum to rotate.
  • the plurality of contacts 211 to 214 are respectively in contact with respective contacts in the main body of the image forming apparatus to realize electrical connection of the image forming apparatus main body with the developing cartridge storage element.
  • the contact member in the main body may be a conductive member such as a conductive post, a conductive sheet, a spring, a spring, a tension spring, etc., and is preferably provided as a spring in the embodiment, which is collectively referred to as a contact spring hereinafter.
  • the driving gear 221 receives the driving force transmitted by the driving gear of the main body of the image forming apparatus and rotates, which inevitably causes vibration of the developing cartridge, and also causes the display The vibration of the storage components on the photo box.
  • the storage element 210 is mounted on one end of the developing cartridge 200 away from the photosensitive drum transmission gear 221, which can reduce the vibration of the storage element caused by the driving force transmission, so that the driving force transmission process is to the developing cartridge storage component contact
  • the electrical connection between the body contacts has the least impact.
  • the memory element 300 includes a memory element substrate 310 on which a positioning notch 320 for positioning and a plurality of contacts are disposed.
  • the plurality of contacts are arranged in two rows.
  • a row of contacts adjacent to the drum axis on the developing cartridge is a power contact
  • the power contact includes a ground contact (GND contact) 311.
  • a voltage contact (VCC contact) 312; a row of contacts remote from the drum axis on the developing cartridge is a signal contact, and the signal contact includes a signal contact 313 and a signal contact 314.
  • the number of signal contacts provided in this embodiment is not limited to two in FIG. 4, and may be set to one or more than two.
  • a plurality of contact springs are respectively disposed on the main body of the image forming apparatus to be in contact with the plurality of contacts.
  • the GND contact 311 described above is grounded by a spring contact with a GND contact on the main body of the image forming apparatus, and the VCC contact 312 receives a voltage supplied from the main body of the image forming apparatus by contact with a VCC contact spring on the main body of the image forming apparatus, and the signal contact 313
  • the sum signal contact 314 realizes that the image forming apparatus main body reads information or writes information from the storage element 300 by being in contact with two signal contact springs on the main body of the image forming apparatus.
  • the signal contact spring is not limited to only two. When the signal contacts on the storage element are set to be one or more than two, the signal contact spring as the contact in the embodiment is correspondingly set to one. Or more than 2.
  • the GND contact 211 i.e., the GND contact 311 in FIG. 4
  • the VCC contact 212 i.e., the VCC contact 312 in FIG. 4
  • the influence of the driving force transmission process on the electrical connection between the GND contact 211 and the body GND contact is further reduced, and the contact between the GND contact 211 and the body GND contact is more VCC-contact.
  • the contact between the point 212 and the body VCC contact is less susceptible to breakage.
  • the three-dimensional schematic diagram of the developing device storage element is shown in Fig. 5.
  • the X1, Y1, and Z1 directions in the figure respectively indicate the three axial directions in which the storage elements are located in the Cartesian coordinate system.
  • the storage element 400 includes a storage element substrate 410, and the front surface of the storage element substrate 410 (the surface facing the imaging device body contact during normal operation) is located in the X1Y1 plane.
  • the storage element substrate 410 is provided with a plurality of contacts, wherein the GND contact 411, the VCC contact 412, the signal contact 413, and the signal contact 414 are respectively Corresponding to the GND contact 311, the VCC contact 312, the signal contact 313, and the signal contact 314 in FIG.
  • the contact portion height of the GND contact 411 is set to be higher than the contact portion of the other contacts (the VCC contact 412, the signal contact 413, and the signal contact 414), so that When a plurality of contacts on the storage element substrate 410 are in contact with a plurality of contact springs on the main body of the image forming apparatus, the contact of the GND contact 411 with the GND contact spring is more than the contact of the other contacts with other corresponding contact springs. It is difficult to disconnect, ensuring the reliability of the GND contact 411 in contact with the GND contact spring.
  • the height of the contact portion of the GND contact 411 in the present embodiment is set to be 2 mm higher than the height of the contact portion of the other contacts.
  • the contact point of the storage element contact refers to a portion of the contact between the contact on the storage element and the contact spring on the main body when the image forming apparatus is in normal operation, and may be a plane or a curved surface of contact. It can also be a contact point, but it can also be a plurality of continuous or discontinuous contact points, but is not limited thereto.
  • the height of the contact portion in this embodiment refers to a portion (plane, curved surface, one contact point or a plurality of contact points) where the contact on the storage element contacts the corresponding contact spring on the main body in the Z1 axis direction and the storage element substrate. The maximum distance between the front faces.
  • a straight line L1 in the figure indicates the axis of the photosensitive drum 220 as a rotating member on the developing cartridge, and when the developing cartridge is normally operated, the driving force of the transmission gear 221 receiving the main body driving gear drives the photosensitive drum 220 to rotate about the axis L1.
  • the rotating member is not limited to the photosensitive drum, and may be a developing roller or a member such as a projection provided at both ends of the developing cartridge in other embodiments.
  • the developing cartridge 200 is inserted into the image forming apparatus in the direction indicated by ⁇ in the drawing until the both ends of the developing cartridge 200 are respectively in contact with the developing cartridge accommodating portion provided in the main body of the image forming apparatus, that is, the projection 230 on the end cover of the developing cartridge Contacting the corresponding protrusion receiving portion in the main body, a protrusion (not shown) on the end cover of the other end of the developing cartridge (provided with one end of the transmission gear 221) is in contact with a corresponding protrusion receiving portion in the main body, at this time The developing cartridge reaches a predetermined mounting position.
  • the developing cartridge is rotated around the photosensitive drum axis L1 in the direction indicated by ⁇ in the drawing until the plurality of contacts on the developing cartridge storage member 210 are respectively brought into contact with the plurality of contact springs on the image forming apparatus main body, completing the mounting.
  • the storage element 510 includes a GND contact 511, a VCC contact 512, a signal contact 513 and a signal contact 514.
  • the imaging device body 520 includes a GND contact spring 521 and a VCC contact spring.
  • the spring 522, the signal contact spring 523, and the signal contact spring 524, the straight line L2 in the figure indicates the axis of the photosensitive drum as a rotating member on the developing cartridge.
  • the developing cartridge is wound in the direction indicated by ⁇ in the figure.
  • the GND contact 511 and the VCC contact 512 on the storage element 510 are in contact with the GND contact spring 521 and the VCC contact spring 522 on the imaging device body 520 prior to the signal contact 513 and the signal contact 514. .
  • the GND contact 511 among the plurality of contacts of the storage element 510 is higher than the contact portion of the other contacts, the GND contact 511 on the storage element 510 precedes the rotation of the developing cartridge around L2.
  • the VCC contact 512 is in contact with the GND contact spring 521 on the main body of the image forming apparatus.
  • the GND contact 511 of the plurality of contacts of the storage element 510 is first brought into contact with the GND contact spring 521 on the main body 520 for a certain period of time t_1 (t_1 is small, but t_1 must exist And t_1>0) after the VCC contact 512 on the storage element 510 is in contact with the VCC contact spring 522 on the body 520, and then a certain period of time t_2 (t_2 is small, but t_2 must exist, and t_2>0, t_1 and The t_2 may be the same or different.
  • the signal contact 513 and the signal contact 514 on the rear storage element 510 are in contact with the signal contact spring 523 and the signal contact spring 524 on the main body 520. Therefore, it is possible to avoid the problem that a high voltage is formed on the storage element contact due to the developing device storage element GND contact 511 being ungrounded, thereby causing discharge to damage the components on the storage element, and further, it is possible to avoid due to the signal contact 513 and The signal contact 514 arises prior to the VCC contact 512 contacting the corresponding contact on the body to create a reverse large current between the storage element contacts to affect the stability of the operation of the storage element. .
  • the order of contact is reversed, that is, the signal contact on the storage element is first disconnected from the signal contact spring on the main body, and the voltage contact (VCC contact) on the storage element is subsequently disconnected from the voltage contact spring on the main body, the storage element
  • the ground contact (GND contact) on the upper end is disconnected from the ground contact spring on the main body, which can prevent a high voltage from being formed on the storage element contact when the developing cartridge is taken out of the image forming apparatus, thereby causing discharge to damage the storage element.
  • the problem of components is generated. Further, it is possible to avoid the formation of a reverse large current between the contacts of the storage elements and thus affect the storage. A problem arises in the stability of the storage component operation.
  • the memory element 600 in this embodiment includes a memory element substrate 610 on which a positioning notch 620 for positioning and a plurality of contacts are disposed.
  • the plurality of contacts on the storage element substrate in the embodiment are disposed in a row parallel to the axis of the photosensitive drum, and the plurality of contacts in the embodiment include the GND contact 621 and the VCC contact. Point 622, signal contact 623 and signal contact 624.
  • the number of signal contacts provided in this embodiment is not limited to two in FIG. 7, and may be set to one or more than two.
  • FIG. 8 is a schematic diagram showing the manner in which the storage element contacts are arranged in the embodiment.
  • the height of the contact portion of the GND contact 711 is higher than the height of the contact portion of the other contacts, and the height of the contact portion of the VCC contact 712 is lower than the height of the contact portion of the GND contact 711 but is higher than the contact portion of the signal contact 713 and the signal contact 714.
  • High height Preferably, the height of the contact portion of the GND contact 711 in the present embodiment is set to be 1 mm higher than the height of the contact portion of the VCC contact 712, and the height of the contact portion of the VCC contact 712 is set to be higher than that of the signal contact 713 and the signal contact 714.
  • the height of the contact portion is 1 mm high.
  • the contact point of the storage element contact refers to a portion of the contact between the contact on the storage element and the contact spring on the main body when the image forming apparatus is in normal operation, and may be a plane or a curved surface of contact. It can also be a contact point, but it can also be a plurality of continuous or discontinuous contact points, but is not limited thereto.
  • the GND contact on the storage element is first contacted with the GND contact contact on the main body, and then the VCC contact on the storage element is on the main body.
  • the VCC contact contacts are in contact and the signal contacts on the last storage element are in contact with the signal contact contacts on the body.
  • the contact contact on the main body may be a conductive member such as a conductive post, a conductive sheet, a spring, a spring, a tension spring, etc., and is preferably provided as a spring in this embodiment.
  • the signal contact contacts on the main body are not limited to only two. When the signal contacts on the storage element are set to be one or more than two, the signal contact springs as the signal contact contacts in the embodiment also correspond. Set the ground to one or more than two.
  • the contact portion of the GND contact 711 is disposed higher than the contact portion of the other contacts, the reliability of the contact of the GND contact 711 with the GND contact spring of the image forming apparatus body is ensured.
  • Fig. 9 is a partial schematic view showing the main body of the image forming apparatus in the embodiment.
  • a straight line L3 in the drawing indicates the axis of the photosensitive drum as a rotating member in the developing cartridge when the developing cartridge is mounted in the image forming apparatus.
  • the rotating member is not limited to the photosensitive drum, and may be a developing roller or a member such as a projection provided at both ends of the developing cartridge in other embodiments.
  • the X2, Y2, and Z2 directions in the figure respectively indicate the three axial directions in which the main body of the imaging device is located in the Cartesian coordinate system.
  • the image forming apparatus main body 800 is provided with a plurality of contact contacts that are in contact with the developing cartridge storage element contacts, and the plurality of contact contacts are disposed in two rows.
  • the contact member may be a conductive member such as a conductive post, a conductive sheet, a spring, a spring, a tension spring, etc., and is preferably provided as a spring in this embodiment.
  • the GND contact spring 801 and the VCC contact spring 802 are disposed in a row close to L3
  • the signal contact spring 803 and the signal contact spring 804 are disposed in a row away from L3.
  • the number of signal contact springs on the main body provided in this embodiment is not limited to two in FIG. 9, and may be set to one or more than two.
  • the plane 810 in Fig. 9 refers to the mounting plane of the above-mentioned plurality of contact springs on the main body of the image forming apparatus, and the plane 810 is located in the plane X2Y2.
  • the contact portion height of the GND contact spring 801 is set to be higher than the contact portion of the other contact springs (the VCC contact spring 802, the signal contact spring 803, and the signal contact spring 804).
  • the height of the contact portion of the GND contact spring 801 in the present embodiment is set to be 2 mm higher than the height of the contact portion of the other contact springs.
  • the contact spring contact portion in this embodiment refers to a portion where the contact spring on the main body contacts the contact on the storage element during normal operation, and may be a contact plane or a curved surface. It may be a contact point, but it may also be a plurality of continuous or discontinuous contact points, but is not limited thereto.
  • the height of the contact portion in this embodiment refers to a contact portion (plane, curved surface, one contact point or a plurality of contact points) when the contact spring on the main body comes into contact with the corresponding contact on the developing cartridge storage element in the Z2-axis direction.
  • the developing cartridge is wound around the axis
  • the GND contact spring 801 and the VCC contact spring 802 precede the signal contact spring 803 and the signal contact spring 804 during the rotational mounting to the imaging device. It is in contact with the GND contact and the VCC contact on the developing cartridge storage element.
  • the GND contact spring 801 since the contact portion of the GND contact spring 801 is disposed higher than the contact portion of the other contact springs, the GND contact spring 801 precedes the VCC contact in the process of rotationally mounting the developing cartridge around the photosensitive drum axis to the image forming apparatus.
  • the spring 802 is in contact with the GND contact on the developing cartridge storage element.
  • the GND contact spring of the plurality of contact springs of the image forming apparatus main body first comes into contact with the GND contact on the storage element, and then the VCC contact spring and the storage element on the main body The upper VCC contact contacts, and finally the signal contact spring on the body contacts the signal contact on the storage element.
  • the signal contacts on the storage element are also not limited to only two. When the signal contact springs on the main body are set to one or more than two, the signal contacts on the storage elements in the embodiment are correspondingly set to one. Or more than 2.
  • the contact portion of the GND contact spring 801 is disposed higher than the contact portion of the other contact springs, the reliability of the contact of the GND contact spring 801 with the developing cartridge storage element GND contact is ensured.
  • FIG. 10 it is a schematic diagram of the cooperation relationship between the developing device storage element contact and the image forming apparatus main body contact spring in the present embodiment, and the straight line L4 in the figure indicates that the developing cartridge is used as the rotating element in the developing cartridge when the mounting in the image forming apparatus is completed.
  • the rotating member is not limited to the photosensitive drum, and may be a developing roller or a member such as a projection provided at both ends of the developing cartridge in other embodiments.
  • the storage element 900 is provided with two contacts in two rows, and the plurality of contacts include a GND contact 901, a VCC contact 902, a signal contact 903, and a signal contact 904.
  • the signal contacts are not limited to two in FIG. 10, and may be set to one or more than two.
  • the GND contact 901 and the VCC contact 902 are disposed at positions close to L4, and the signal contact 903 and the signal contact 904 are disposed at positions away from L4.
  • the contact portion height of the GND contact 901 is set to be higher than the contact portion of the other contacts (the VCC contact 902, the signal contact 903, and the signal contact 904).
  • the height of the contact portion of the GND contact 901 in the present embodiment is set to be 1 mm higher than the height of the contact portion of the other contacts.
  • the height of the contact portion of the above contact is the same as that in the first embodiment.
  • the image forming apparatus main body 910 is divided into two rows corresponding to the plurality of contacts on the storage element 900.
  • a plurality of contact contacts are provided, the plurality of contact contacts including a GND contact contact 911, a VCC contact contact 912, a signal contact contact 913, and a signal contact contact 914.
  • the contact may be a conductive post Conductive elements such as conductive sheets, springs, springs, and tension springs are preferably provided as springs in this embodiment.
  • the signal contact spring is not limited to two in FIG. 10, and when the signal contact on the storage element is set to one or more than two, the signal contact spring on the main body in the embodiment is also correspondingly set. In one or more than two. Among them, the GND contact spring 911 and the VCC contact spring 912 are disposed at positions close to L4, and the signal contact spring 913 and the signal contact spring 914 are disposed at positions away from L4.
  • the contact portion height of the GND contact spring 911 is set to be higher than the contact portion of the other contact springs (the VCC contact spring 912, the signal contact spring 913, and the signal contact spring 914).
  • the height of the contact portion of the GND contact spring 911 in the present embodiment is set to be 1 mm higher than the height of the contact portion of the other contact springs.
  • the height of the contact portion of the above contact spring is the same as that in the third embodiment.
  • the contact point of the storage element contact refers to a portion of the contact between the contact on the storage element and the contact spring on the main body when the image forming apparatus is in normal operation, and may be a plane or a curved surface of contact. It can also be a contact point, but it can also be a plurality of continuous or discontinuous contact points, but is not limited thereto.
  • the contact spring contact portion refers to a portion where the contact spring of the main body contacts the contact on the storage element during normal operation of the image forming apparatus, and may be a contact plane or a curved surface, a contact point, or Multiple consecutive or discontinuous contact points, but are not limited thereto.
  • the GND contact and the VCC contact on the storage element are closer to the developing cartridge axis than the signal contact, and the GND contact spring and the VCC contact spring on the imaging device main body are closer to the developing cartridge axis than the signal contact spring Therefore, in the process of rotationally mounting the developing cartridge around the photosensitive drum axis to the image forming apparatus, the GND contact and the VCC contact on the storage element are in contact with the GND contact spring and the VCC contact spring on the main body, on the storage element
  • the signal contact is in contact with the signal contact on the body.
  • the GND contact contact portion is disposed higher than the contact portion of the other contacts, and among the plurality of contact springs of the main body, the contact portion of the GND contact spring is disposed more than the other
  • the contact portion of the contact spring is high, so that the GND contact on the storage element is in contact with the GND on the main body during the rotation of the developing cartridge around the axis to the image forming apparatus
  • the point spring contacts the VCC contact spring on the body prior to the VCC contact on the storage element.
  • the GND contact of the plurality of contacts of the storage element is first brought into contact with the GND contact spring on the main body, and then the VCC contact on the storage element is in contact with the VCC contact spring on the main body, The signal contact on the last storage element is in contact with the signal contact spring on the body.
  • the developing cartridge in the present embodiment is provided in a constitutional configuration in which the toner cartridge 1200 for storing the developer and the drum assembly 1100 for mounting the photosensitive drum are disposed in a detachable manner.
  • front, rear, left, right, up, and down are respectively defined in the directions of FIGS. 11 and 12.
  • the front to back direction is the mounting direction of the developing cartridge.
  • the drum assembly 1100 is provided with a container mounting portion 1101 for mounting the toner cartridge 1200, a locking portion 1106, 1107 for locking the toner cartridge, a photosensitive drum 1102, and a waste toner box 1103 for accommodating waste toner. Further, a right side end portion of the photosensitive drum 1102 is provided with a driving portion 1105 for receiving power, and a waste toner discharge port 1108 for discharging waste toner is disposed on the right side wall of the waste toner box 1103.
  • the drum assembly 1100 is further provided with a first storage element 1104, the first storage element 1104 includes a storage unit, and the storage unit may be an EEPROM, and the storage parameters in the storage unit include at least a photosensitive drum rotation period, a new drum module, and
  • the waste toner box can accommodate the maximum amount of waste powder, and at least one of the waste powder contents has been contained in the waste toner box.
  • the first storage element 1104 is disposed on the upper surface of the waste toner box 1103, and is closer to the left side at the axial position of the photosensitive drum 1105, so that the contact of the first storage element 1104 can be away from the waste toner discharge port in the waste toner box 1103. 1108, during the process of preventing waste toner from being discharged, the first storage element 1104 is contaminated.
  • the toner cartridge 1200 includes abutting portions 1201 and 1202 respectively engaged with the locking portions 1106, 1107 of the drum assembly 1100, and the user-installed grip portion 1203 supplies the toner in the toner cartridge 1200 to the developing roller.
  • the developing roller 1205 can supply the toner in the toner cartridge 1200 to the surface of the photosensitive drum 1102; on the lower surface of the compact 1200, a second storage member 1204 is disposed, and the second storage member 1204 is mounted on the compact 1200.
  • the storage unit includes a toner cartridge to accommodate the maximum amount of waste toner, the amount of waste toner already contained in the compact, the new and old toner cartridges, and the manufacturer At least one of the parameters such as the date of manufacture.
  • the second storage element 1204 Since the second storage element 1204 is close to the front surface, away from the developing roller 1205, the toner of the surface of the developing roller is not splashed to the surface of the second storage element 1204, and the second storage element can be prevented from being contaminated; and the second storage element 1204
  • the design is disposed on the bottom surface of the toner cartridge relative to the storage element mounted on the right side wall to prevent the second storage element 1204 from hitting the printer body for supplying power to the powder cartridge side wall during the installation process. High voltage contact.
  • first storage element and the second storage element are only for the purpose of better understanding the present invention by those skilled in the art, and are not limited to the technical solution of the embodiment of the present invention, and the storage element 1204 on the compact can also be called For the first storage element, the storage element 1104 on the drum assembly is referred to as a second storage element.
  • connection manner of the at least one storage element contact of the two storage elements in the embodiment to the main body contact of the printer may be any one of the first embodiment to the fourth embodiment.
  • the toner container and the drum assembly in the present embodiment are not limited to the split structure in Figs. 11 and 12, and may be provided in a unitary structure.
  • the toner cartridge 1200 further includes two pressed portions 1206 and 1207 which cooperate with the printer main body, and the two pressed portions 1206 and 1207 are respectively located from the left side wall and the right side wall of the container casing.
  • the projections that extend toward the left and right sides of the container are flat; after the toner cartridge 1200 and the drum assembly 1100 are attached to the printer main body, the pressed portions 1206, 1207 can receive downward pressure from the printer main body.
  • the pressed portion 1207 on the right side of the toner cartridge receives the force (first force) from the printer main body, and can receive a part of the elastic force (second force) from the printer contact member with the storage member 1204, so that the toner cartridge can be stabilized. Installed in the printer.
  • the above-mentioned pressed portions 1206 and 1207 extend from the plane where the left side wall and the right side wall of the powder box are located, not only including the plane directly from the left side wall and the right side wall as the root portion, but also including the powder.
  • the upper surface of the casing shell extends through the space corresponding to the plane of the left and right side walls toward the left and right sides.
  • the first force and the second force are in opposite directions in the up and down direction in FIG. It should be noted that the opposite direction here is not a direction strictly 180°, but an approximately opposite direction.
  • the contacts 1104a, 1104b, 1104c, 1104d on the first storage element are arranged in a row, and the distance between the center of the portion where each contact abuts the printer contact is d1.
  • the contacts 1204a, 1204b, 1204c, and 1204d on the second storage element are disposed in two rows, and the center of the portion of the contact 1204c that abuts the printer contact portion in the drum axis direction (left and right).
  • the distance from the center of the portion of the contact 1204d that abuts the printer contact portion is d3; in the direction of the front and rear (perpendicular to the drum axis and substantially parallel to the side wall of the container), the contact of the contact with the printer contact portion
  • the distance between the partial centers is d2; and d1>d2, d1>d3.
  • the gap between the drum components is large, and the first storage element is well connected to the contacts in the printer; and the toner cartridge is mounted to the drum assembly 1200 because the drum assembly is provided with a guide rail for guiding the toner cartridge installation. Therefore, the toner cartridge is slightly offset in the left-right direction, even if the conductive portion of the contact on the second storage element is small, the contacts in the printer can be in good contact with the contacts on the second storage element; and the toner cartridge is mounted.
  • the moving range of the toner cartridge is also small in the front-rear direction, and the distance d2 is set to be smaller than d1 to satisfy the stable contact of the electric shock.

Abstract

一种图像形成设备用粉盒（1200）、显影盒（102, 200）以及图像形成设备。该粉盒（1200）包括壳体，所述壳体内设置有用于存储碳粉的粉仓，所述壳体后侧设置有显影辊（1205），所述粉盒（1200）还包括位于所述壳体下表面设置的存储粉盒信息的存储元件（210, 300, 510, 600, 900, 1104, 1204），并且相对于所述壳体中显影辊（1205）所在的后侧，所述存储元件（210, 300, 510, 600, 900, 1104, 1204）位于更靠近与所述后侧相对的前侧的位置处。粉盒（1200）能够解决现有的图像形成设备中显影盒存储元件（210, 300, 510, 600, 900, 1104, 1204）容易被污染从而造成显影盒存储元件（210, 300, 510, 600, 900, 1104, 1204）与打印机主体接触不良的问题。

Description

图像形成设备用粉盒、显影盒以及图像形成设备 技术领域
本发明涉及成像技术领域，具体地说，涉及一种图像形成设备用粉盒、包括该粉盒的显影盒以及图像形成设备。
背景技术
打印机或具有打印功能的图像形成设备(以下简称成像设备)是常见的办公设备，也逐渐成为家用电子设备。现有的激光打印机大多使用可拆卸的显影盒(或称硒鼓等)在记录介质上形成图像，正常使用时显影盒安装在打印机中，显影盒包含存储元件，存储元件设置有存储单元，存储单元能够存储显影盒的诸如型号、容量、使用区域等信息。打印机主体上设置有与显影盒存储元件接触的接触件，例如在打印机主体上设置多个弹簧与显影盒存储元件上的多个触点相接触，从而实现打印机与显影盒存储元件的电连接和信息交互，使得打印机能够获取或改写显影盒存储元件中的信息。
然而，现有的打印机中，打印机主体与显影盒存储元件之间的电连接不总是稳定可靠的。
显影盒存储元件上通常会包含接地触点、电压触点和多个信号触点，打印机主体上也会包含与存储元件触点相应的接地触点接触件、电压触点接触件和多个信号触点接触件。
发明人在实现本发明的过程中，发现打印机在正常使用过程中，由于震动、撞击等原因，可能会造成显影盒存储元件与打印机主体之间接触不牢固，当发生显影盒存储元件电压触点与打印机主体电压触点接触件正常接触，而显影盒存储元件接地触点与打印机主体接地触点接触件断开的情况时，同样会造成显影盒存储元件触点上的电压不稳定，容易在存储元件触点上形成高电压从而发生放电损坏存储元件上的元器件。
此外，现有的打印机中，在将显影盒安装到打印机或将显影盒从打印机中取出时，显影盒存储元件上的多个触点与打印机主体上的多个相应接触件之间并没有一定的先后接触顺序或断开顺序，因此会造成显影盒存储元件的 稳定性差。
如图1所示为现有打印机中的显影盒存储元件工作时的存储元件外部电路原理图。存储元件上设置有电压触点(VCC)、接地触点(GND)和信号触点(SDA、SCL)。正常工作时，通过存储元件内部的多个元器件(如电容、电阻、三极管等)在电压触点(VCC)和信号触点(SDA、SCL)之间形成电流通路，电流由VCC触点经存储元件内部的多个元器件流向SDA触点和SCL触点。但在将显影盒安装到打印机的过程中，若存储元件上的信号触点(SDA、SCL)先于电压触点(VCC)与打印机主体的相应接触件接触，则有可能在电压触点(VCC)和信号触点(SDA、SCL)之间形成反向大电流，即电流由SDA触点和SCL触点经存储元件内部的多个元器件流向VCC触点，从而影响存储元件上元器件的寿命，甚至损坏元器件，影响存储元件工作的稳定性。在将显影盒从打印机中取出时，若存储元件上的电压触点(VCC)先于信号触点(SDA、SCL)与打印机主体的相应接触件断开，同样会产生上述问题，影响存储元件工作的稳定性。
此外，现有的打印机用显影盒中，显影盒存储元件往往设置的靠近显影辊，在成像过程中显影辊表面的碳粉容易溅飞至显影盒存储元件上，会污染显影盒存储元件，造成显影盒存储元件与打印机主体接触不良。
发明内容
为了解决上述问题，本发明提供一种图像形成设备用粉盒，该粉盒包括壳体，所述壳体内设置有用于存储碳粉的粉仓，所述壳体后侧设置有显影辊；其特征在于，所述粉盒还包括：
位于所述壳体下表面设置有存储粉盒信息的存储元件；并且相对于所述壳体中显影辊所在的后侧，所述存储元件位于更靠近与所述后侧相对的前侧的位置处。
在一个实施例中，所述粉盒还包括：从所述粉盒壳体侧壁左侧和/或右侧延伸的被压部；所述粉盒安装至所述成像设备后，所述被压部接收来自所述成像设备的第一力，所述存储元件接收来自所述成像设备的第二力，所述第一力和所述第二力的方向相反。
在一个实施例中，在所述粉盒中，存储元件上设置有两排触点，靠近 所述显影辊的第一排触点包括电压触点和接地触点，第二排触点包括信号触点；所述图像形成设备包括主体，所述主体内设置有分别与所述电压触点、接地触点、信号触点连接的相应接触件；并且所述粉盒安装至所述图像形成设备的过程中，所述接地触点与所述主体中相应接触件的导通早于所述电压触点与所述主体中相应接触件的导通，所述电压触点与主体中相应接触件的导通早于所述信号触点与主体中相应接触件的导通。
在一个实施例中，在所述粉盒中，所述存储元件上设置有两排触点，靠近所述显影辊的第一排触点包括电压触点和接地触点，第二排触点包括信号触点；所述图像形成设备包括主体，所述主体内设置有分别与所述电压触点、接地触点、信号触点连接的相应接触件；并且所述粉盒从所述图像形成设备中取出的过程中，所述信号触点与主体中相应接触件的断开早于所述电压触点与主体中相应接触件的断开，所述电压触点与主体中相应接触件的断开早于所述接地触点与所述主体中相应接触件的断开。
本发明还提供一种图像形成设备用显影盒，所述显影盒包括用于支撑感光鼓的鼓组件，所述显影盒还包括如上任一项所述的粉盒。
在一个实施例中，在所述显影盒中，所述鼓组件的上表面也设置有用于存储所述鼓组件信息的存储元件。
在一个实施例中，在所述显影盒中，所述鼓组件上的存储元件触点设置成一排，并且所述存储元件位于靠近所述鼓组件框架后侧的位置处。
在一个实施例中，在所述显影盒中，所述鼓组件的右侧设置有排出废粉的排出口，所述存储元件在上表面上靠近所述鼓组件框架左侧的位置处。
在一个实施例中，在所述显影盒中，所述鼓组件存储元件中每个触点与打印机接触部抵接的部分中心之间的距离为d1；所述粉盒存储元件中第一排触点与打印机接触部抵接的部分中心与所述粉盒存储元件中第二排触点与打印机接触部抵接的部分中心之间的距离为d2；所述粉盒存储元件中第一排触点与打印机接触部抵接的部分中心之间的距离为d3；并且d1>d2，d1>d3。
本发明还提供一种图像形成装置，所述图像形成装置包括用于安装粉盒或者显影盒的主体，所述主体中设置有与安装粉盒或者显影盒中存储元 件触点连接的接触件，所述图像形成装置中还设置有如上任一项所述的粉盒或者如上任一项所述的显影盒。
本发明中，显影盒存储元件设置在远离粉盒出粉口的位置处，能够解决现有技术中由于存储元件靠近显影辊而容易被污染从而造成显影盒存储元件与本体接触不良的技术缺陷。
本发明中，存储元件接地触点与主体中相应接触件的导通早于电压触点与主体中相应接触件的导通，能够解决现有技术中容易在存储元件触点上形成高电压从而发生放电损坏存储元件上的元器件的技术缺陷。
本发明中，进一步的，电压触点与主体中相应接触件的导通早于信号触点与主体中相应接触件的导通，能够解决由于存储元件上的多个触点与打印机主体上的多个相应接触件之间因没有一定的先后接触顺序而造成显影盒存储元件的稳定性差的技术缺陷。
本发明的其它特征和优点将在随后的说明书中阐述，并且，部分地从说明书变得显而易见，或者通过实施本发明的技术方案而了解。本发明的目的和其他优点可通过在说明书、权利要求书以及附图中所特别指出的结构和/或流程来实现和获得。
附图说明
图1是现有打印机中的显影盒存储元件工作时的存储元件外部电路原理图；
图2是本发明实施例一的成像设备的整体结构示意图；
图3是本发明实施例一的显影盒结构示意图；
图4是本发明实施例一的显影盒存储元件平面示意图；
图5是本发明实施例一的显影盒存储元件立体示意图；
图6是本发明实施例一的存储元件触点与主体触点弹簧的接触顺序原理图；
图7是本发明实施例二的显影盒存储元件平面示意图；
图8是本发明实施例二的存储元件触点设置方式原理图；
图9是本发明实施例三的成像设备主体局部示意图；
图10是本发明实施例四的显影盒存储元件触点和成像设备主体触点弹 簧的配合关系示意图；
图11是本发明实施例五提供的一种鼓组件的结构示意图；
图12是本发明实施例五提供的一种粉盒的结构示意图；
图13是图11中鼓组件上存储元件的结构示意图；
图14是图12中粉盒上存储元件的结构示意图。
具体实施方式
以下结合说明书附图对本发明的实施例进行说明，应当理解，此处所描述的优选实施例仅用于说明和解释本发明，并不用于限定本发明。并且在不相冲突的情况下，本发明的实施例中的特征可以相互结合。
实施例一
图2所示是本实施例提供的一种成像设备的整体结构示意图。成像设备100包括成像设备主体101、显影盒102、送纸辊103和定影组件104。其中，显影盒102用于形成图像并将图像转印到记录介质上。显影盒102可拆卸地安装在成像设备中，显影盒上面安装有存储元件用于记录显影盒信息以及成像控制参数。成像设备主体101通过与显影盒102上的存储元件电连接来与显影盒进行通信，例如读取存储元件中的显影盒信息和控制参数，或者向存储元件中写入显影盒使用信息。送纸辊103用于搬送记录介质，例如搬送纸张。定影组件104用于将从显影盒转印到记录介质上的图像固定在记录介质上。
本实施例中显影盒的结构示意图如图3所示。显影盒200包括存储元件210和感光鼓220，存储元件210上设置有多个触点211至214，感光鼓220的一端设置有传动齿轮221，用于接收成像设备主体驱动齿轮传递的驱动力以驱动感光鼓旋转。当显影盒200安装于成像设备中时，多个触点211至214分别与成像设备主体中的相应接触件接触，以实现成像设备主体与显影盒存储元件的电连接。主体中的接触件可以是导电柱、导电片、弹簧、弹片、拉簧等导电元件，本实施例中优选设置为弹簧，下文统一称为触点弹簧。
显影盒在正常工作时，传动齿轮221接收成像设备主体驱动齿轮传递的驱动力并旋转的过程中，不可避免地会引起显影盒的震动，也会引起显 影盒上存储元件的震动。本实施例中，存储元件210安装在显影盒200上远离感光鼓传动齿轮221的一端，能够减小驱动力传递过程中引起的存储元件震动，使得驱动力传递过程对显影盒存储元件触点与主体接触件之间的电连接所造成的影响最小。
显影盒存储元件平面示意图如图4所示。存储元件300包括存储元件基板310，存储元件基板310上设置有用于定位的定位缺口320和多个触点。多个触点设置成两排，在存储元件安装于显影盒上时，靠近显影盒上的感光鼓轴线的一排触点为电源触点，电源触点包括接地触点(GND触点)311和电压触点(VCC触点)312；远离显影盒上的感光鼓轴线的一排触点为信号触点，信号触点包括信号触点313和信号触点314。本实施例提供的信号触点的数量不限于图4中的两个，还可以设置成1个或者大于2个。成像设备主体上相应地设置有多个触点弹簧分别与上述多个触点接触。上述GND触点311通过与成像设备主体上的GND触点弹簧接触来实现接地，VCC触点312通过与成像设备主体上的VCC触点弹簧接触来接收成像设备主体提供的电压，信号触点313和信号触点314通过与成像设备主体上的两个信号触点弹簧接触来实现成像设备主体从存储元件300读取信息或写入信息。其中，信号触点弹簧也不限于只有两个，当上述存储元件上信号触点设置成1个或者大于2个时，本实施例中作为接触件的信号触点弹簧也相应地设置成1个或者大于2个。
再如图3所示，在存储元件210安装于显影盒200上时，GND触点211(即图4中的GND触点311)比VCC触点212(即图4中的VCC触点312)更加远离感光鼓传动齿轮221，进一步减小了驱动力传递过程对GND触点211与主体GND接触件之间的电连接的影响，GND触点211与主体GND接触件之间的接触较VCC触点212与主体VCC接触件之间的接触更不易断开。
显影盒存储元件立体示意图如图5所示，图中X1、Y1、Z1方向分别表示存储元件位于直角坐标系中的三个轴向方向。存储元件400包括存储元件基板410，存储元件基板410的正面(正常工作时朝向成像设备主体接触件的表面)位于X1Y1平面内。存储元件基板410上设置有多个触点，其中，GND触点411、VCC触点412、信号触点413、信号触点414分别 与图4中的GND触点311、VCC触点312、信号触点313、信号触点314对应相同。存储元件基板410上设置的多个触点中，GND触点411的接触部分高度设置成比其它触点(VCC触点412、信号触点413、信号触点414)的接触部分高度高，使得在存储元件基板410上的多个触点与成像设备主体上的多个触点弹簧接触时，GND触点411与GND触点弹簧的接触较其它触点与其它相应的触点弹簧的接触更难以断开，保证了GND触点411与GND触点弹簧接触的可靠性。优选的，本实施例中GND触点411的接触部分高度设置成比其它触点的接触部分高度高2mm。
需要说明的是，本实施例中存储元件触点接触部分是指成像设备在正常工作时，存储元件上的触点与主体上的触点弹簧接触的部分，可以是一个接触的平面或曲面，也可以是一个接触点，还可以是多个连续或不连续的接触点，但不限于此。
本实施例中的接触部分高度是指存储元件上的触点与主体上的相应触点弹簧接触的部分(平面、曲面、一个接触点或多个接触点)在Z1轴方向与存储元件基板的正面之间的最大距离。
以下描述将显影盒安装到成像设备的过程。
如图3所示，图中直线L1表示显影盒上作为旋转元件的感光鼓220的轴线，在显影盒正常工作时，传动齿轮221接收主体驱动齿轮的驱动力驱动感光鼓220绕轴线L1旋转。所述旋转元件不限于感光鼓，在其它实施例中也可以是显影辊或者在显影盒两端设置的凸起等元件。
首先，将显影盒200沿图中α所示方向插入成像设备中，直到显影盒200的两端分别与成像设备主体中设置的显影盒容纳部接触，即显影盒一端端盖上的凸起230与主体中的对应凸起容纳部接触，显影盒另一端(设置有传动齿轮221的一端)端盖上的凸起(图中未示出)与主体中的对应凸起容纳部接触，此时显影盒到达预定的安装位置。随后将显影盒按照图中ω所示方向绕感光鼓轴线L1旋转，直到显影盒存储元件210上的多个触点分别与成像设备主体上的多个触点弹簧接触，完成安装。
存储元件触点与主体触点弹簧的接触顺序原理图如图6所示。图中，存储元件510上包括GND触点511、VCC触点512、信号触点513和信号触点514，成像设备主体520上包括GND触点弹簧521、VCC触点弹 簧522、信号触点弹簧523和信号触点弹簧524，图中直线L2表示显影盒上作为旋转元件的感光鼓的轴线。
由于存储元件510的多个触点中，GND触点511和VCC触点512比信号触点513和信号触点514更靠近感光鼓轴线L2，因此在将显影盒按照图中ω所示方向绕L2旋转的过程中，存储元件510上的GND触点511和VCC触点512先于信号触点513和信号触点514与成像设备主体520上的GND触点弹簧521和VCC触点弹簧522接触。又由于存储元件510的多个触点中的GND触点511的接触部分比其它触点的接触部分高，因此在绕L2旋转显影盒的过程中，存储元件510上的GND触点511先于VCC触点512与成像设备主体上的GND触点弹簧521接触。
即，在显影盒的安装过程中，存储元件510的多个触点中的GND触点511首先与主体520上的GND触点弹簧521接触，经过一定时长t_1(t_1很小，但t_1一定存在，并且t_1>0)后存储元件510上的VCC触点512与主体520上的VCC触点弹簧522接触，再经过一定时长t_2(t_2很小，但t_2一定存在，并且t_2>0，t_1与t_2可以相同也可以不同)后存储元件510上的信号触点513和信号触点514与主体520上的信号触点弹簧523和信号触点弹簧524接触。因此，能够避免由于显影盒存储元件GND触点511未接地而在存储元件触点上形成高电压从而发生放电损坏存储元件上的元器件的问题产生，进一步的，能够避免由于信号触点513和信号触点514先于VCC触点512与主体上的相应触点接触而在存储元件触点之间形成反向大电流从而影响存储元件工作的稳定性的问题产生。。
本领域技术人员容易理解，在将显影盒从成像设备中取出时，显影盒存储元件上的多个触点与成像设备主体上的相应触点之间的断开顺序与上述显影盒安装时的接触顺序相反，即存储元件上的信号触点与主体上的信号触点弹簧首先断开，存储元件上的电压触点(VCC触点)与主体上的电压触点弹簧随后断开，存储元件上的接地触点(GND触点)与主体上的接地触点弹簧最后断开，能够避免在将显影盒从成像设备中取出时存储元件触点上形成高电压从而发生放电损坏存储元件上的元器件的问题产生，进一步的，能够避免在存储元件触点之间形成反向大电流从而影响存 储元件工作的稳定性的问题产生。
实施例二
如图7所示，本实施例中的存储元件600包括存储元件基板610，存储元件基板610上设置有用于定位的定位缺口620和多个触点。与实施例一不同的是，本实施例中的存储元件基板上的多个触点设置成与感光鼓轴线平行的一排，本实施例中的多个触点包括GND触点621、VCC触点622、信号触点623和信号触点624。本实施例提供的信号触点的数量不限于图7中的两个，还可以设置成1个或者大于2个。
如图8所示为本实施例中的存储元件触点设置方式原理图。GND触点711的接触部分高度比其它触点的接触部分高度高，VCC触点712的接触部分高度比GND触点711的接触部分高度低但比信号触点713和信号触点714的接触部分高度高。优选的，本实施例中GND触点711的接触部分高度设置成比VCC触点712的接触部分高度高1mm，VCC触点712的接触部分高度设置成比信号触点713和信号触点714的接触部分高度高1mm。
需要说明的是，本实施例中存储元件触点接触部分是指成像设备在正常工作时，存储元件上的触点与主体上的触点弹簧接触的部分，可以是一个接触的平面或曲面，也可以是一个接触点，还可以是多个连续或不连续的接触点，但不限于此。
本实施例中的接触部分高度的意义与实施例一中的相同。
因此，在将显影盒绕感光鼓轴线旋转安装到成像设备的过程中，存储元件上的GND触点与主体上的GND触点接触件首先接触，随后存储元件上的VCC触点与主体上的VCC触点接触件接触，最后存储元件上的信号触点与主体上的信号触点接触件接触。主体上的触点接触件可以是导电柱、导电片、弹簧、弹片、拉簧等导电元件，本实施例中优选设置为弹簧。主体上的信号触点接触件也不限于只有两个，当上述存储元件上信号触点设置成1个或者大于2个时，本实施例中作为信号触点接触件的信号触点弹簧也相应地设置成1个或者大于2个。
同时，由于GND触点711的接触部分设置的比其它触点的接触部分高，保证了GND触点711与成像设备主体GND触点弹簧接触的可靠性。
实施例三
图9为本实施例中的成像设备主体局部示意图。如图所示，图中直线L3表示成像设备中显影盒安装完成时作为显影盒中旋转元件的感光鼓的轴线。所述旋转元件不限于感光鼓，在其它实施例中也可以是显影辊或者在显影盒两端设置的凸起等元件。图中X2、Y2、Z2方向分别表示成像设备主体位于直角坐标系中的三个轴向方向。
成像设备主体800上设置有多个与显影盒存储元件触点接触的触点接触件，并且多个触点接触件设置成两排。接触件可以是导电柱、导电片、弹簧、弹片、拉簧等导电元件，本实施例中优选设置为弹簧。其中，GND触点弹簧801和VCC触点弹簧802设置在靠近L3的一排，信号触点弹簧803和信号触点弹簧804设置在远离L3的一排。本实施例提供的主体上的信号触点弹簧的数量不限于图9中的两个，还可以设置成1个或者大于2个。
图9中的平面810是指上述多个触点弹簧在成像设备主体上的安装平面，平面810位于X2Y2平面内。
在本实施例中，GND触点弹簧801的接触部分高度设置成比其它触点弹簧(VCC触点弹簧802、信号触点弹簧803、信号触点弹簧804)的接触部分高度高。优选的，本实施例中GND触点弹簧801的接触部分高度设置成比其它触点弹簧的接触部分高度高2mm。
需要说明的是，本实施例中触点弹簧接触部分是指成像设备在正常工作时，主体上的触点弹簧与存储元件上的触点接触的部分，可以是一个接触的平面或曲面，也可以是一个接触点，还可以是多个连续或不连续的接触点，但不限于此。
本实施例中的接触部分高度是指主体上的触点弹簧与显影盒存储元件上的相应触点接触时的接触部分(平面、曲面、一个接触点或多个接触点)在Z2轴方向与平面810之间的最大距离。
由于在成像设备主体的多个触点弹簧中，GND触点弹簧801和VCC触点弹簧802比信号触点弹簧803和信号触点弹簧804靠近显影盒轴线L3，因此，在将显影盒绕轴线旋转安装到成像设备的过程中，GND触点弹簧801和VCC触点弹簧802先于信号触点弹簧803和信号触点弹簧804 与显影盒存储元件上的GND触点和VCC触点接触。又由于GND触点弹簧801的接触部分设置的比其它触点弹簧的接触部分高，因此在将显影盒绕感光鼓轴线旋转安装到成像设备的过程中，GND触点弹簧801先于VCC触点弹簧802与显影盒存储元件上的GND触点接触。
即，在将显影盒安装到成像设备的过程中，成像设备主体多个触点弹簧中的GND触点弹簧首先与存储元件上的GND触点接触，随后主体上的VCC触点弹簧与存储元件上的VCC触点接触，最后主体上的信号触点弹簧与存储元件上的信号触点接触。存储元件上的信号触点也不限于只有两个，当上述主体上信号触点弹簧设置成1个或者大于2个时，本实施例中存储元件上的信号触点也相应地设置成1个或者大于2个。
同时，由于GND触点弹簧801的接触部分设置成比其它触点弹簧的接触部分高，保证了GND触点弹簧801与显影盒存储元件GND触点接触的可靠性。
实施例四
如图10所示，是本实施例中显影盒存储元件触点和成像设备主体触点弹簧的配合关系示意图，图中直线L4表示显影盒在成像设备中安装完成时作为显影盒中旋转元件的感光鼓的轴线。所述旋转元件不限于感光鼓，在其它实施例中也可以是显影辊或者在显影盒两端设置的凸起等元件。
本实施例中，存储元件900上分两排设置有多个触点，多个触点包括GND触点901、VCC触点902、信号触点903和信号触点904。其中，信号触点不限于图10中的两个，也可以设置为1个或者大于2个。其中，GND触点901和VCC触点902设置在靠近L4的位置，信号触点903和信号触点904设置在远离L4的位置。
并且，在多个触点中，GND触点901的接触部分高度设置成比其它触点(VCC触点902、信号触点903、信号触点904)的接触部分高度高。优选的，本实施例中GND触点901的接触部分高度设置成比其它触点的接触部分高度高1mm。
上述触点的接触部分高度的意义与实施例一中的相同。
与存储元件900上的多个触点相应的，成像设备主体910上分两排设 置有多个触点接触件，多个触点接触件包括GND触点接触件911、VCC触点接触件912、信号触点接触件913和信号触点接触件914.接触件可以是导电柱、导电片、弹簧、弹片、拉簧等导电元件，本实施例中优选设置为弹簧。其中，信号触点弹簧也不限于图10中的两个，当上述存储元件上的信号触点设置为1个或者大于2个时，本实施例中主体上的信号触点弹簧也相应地设置成1个或者大于2个。其中，GND触点弹簧911和VCC触点弹簧912设置在靠近L4的位置，信号触点弹簧913和信号触点弹簧914设置在远离L4的位置。
并且，在多个触点弹簧中，GND触点弹簧911的接触部分高度设置成比其它触点弹簧(VCC触点弹簧912、信号触点弹簧913、信号触点弹簧914)的接触部分高度高。优选的，本实施例中GND触点弹簧911的接触部分高度设置成比其它触点弹簧的接触部分高度高1mm。
上述触点弹簧的接触部分高度的意义与实施例三中的相同。
需要说明的是，本实施例中存储元件触点接触部分是指成像设备在正常工作时，存储元件上的触点与主体上的触点弹簧接触的部分，可以是一个接触的平面或曲面，也可以是一个接触点，还可以是多个连续或不连续的接触点，但不限于此。
触点弹簧接触部分是指成像设备在正常工作时，主体上的触点弹簧与存储元件上的触点接触的部分，可以是一个接触的平面或曲面，也可以是一个接触点，还可以是多个连续或不连续的接触点，但不限于此。
本领域技术人员容易理解，由于存储元件上GND触点和VCC触点比信号触点靠近显影盒轴线，并且成像设备主体上GND触点弹簧和VCC触点弹簧比信号触点弹簧靠近显影盒轴线，因此在将显影盒绕感光鼓轴线旋转安装到成像设备的过程中，存储元件上的GND触点和VCC触点与主体上的GND触点弹簧和VCC触点弹簧先接触，存储元件上的信号触点与主体上的信号触点后接触。
进一步的，由于存储元件上的多个触点中，GND触点接触部分设置的比其它触点的接触部分高，主体的多个触点弹簧中，GND触点弹簧的接触部分设置的比其它触点弹簧的接触部分高，因此在将显影盒绕轴线旋转安装到成像设备的过程中，存储元件上的GND触点与主体上的GND触 点弹簧先于存储元件上的VCC触点与主体上的VCC触点弹簧接触。
即，在显影盒的安装过程中，存储元件多个触点中的GND触点首先与主体上的GND触点弹簧接触，随后存储元件上的VCC触点与主体上的VCC触点弹簧接触，最后存储元件上的信号触点与主体上的信号触点弹簧接触。
同时，由于存储元件上GND触点的接触部分设置的比其它触点的接触部分高，并且主体上GND触点弹簧的接触部分设置的比其它触点弹簧的接触部分高，因此保证了存储元件上GND触点与主体上GND触点弹簧接触的可靠性。实施例五
本实施例在前述实施例的基础上进一步对显影盒的结构进行优化。如图11、图12所示，本实施例中的显影盒设置成分体式的结构，即用于存储显影剂的粉盒1200和用于安装感光鼓的鼓组件1100设置成可拆卸的配合方式。
如图11和图12所示，为了更清楚地解释本实施例中的技术方案，以图11和图12中的方向分别定义前、后、左、右、上、下。其中，由前至后的方向即为显影盒的安装方向。
如图11所示，鼓组件1100上设置有用于安装粉盒1200的粉盒安装部分1101，锁紧粉盒的锁紧部1106、1107，感光鼓1102，以及容纳废粉的废粉仓1103。并且感光鼓1102的右侧端部设置用于接收动力的驱动部1105，废粉仓1103的右侧壁上设置有一个排出废粉的废粉排出口1108。鼓组件1100上还设置有第一存储元件1104，该第一存储元件1104中包括一个存储单元，该存储单元可以是EEPROM，该存储单元中的存储参数至少包括感光鼓旋转周期、鼓组件新旧、废粉仓可以容纳最大废粉量，废粉仓中已经容纳废粉量中的至少一种参数。第一存储元件1104设置在废粉仓1103上的上表面，在感光鼓1105的轴线位置更靠近左侧，这样第一存储元件1104的触点就可以远离废粉仓1103中的废粉排出口1108，防止废粉排出的过程中，第一存储元件1104被污染。
如图12所示，粉盒1200包括分别与鼓组件1100中锁紧部1106、1107配合的抵接部1201、1202，便于用户安装的把持部1203，将粉盒1200内碳粉供应至显影辊1205的送粉辊1206，并且在粉盒1200安装至鼓组件 1100时，显影辊1205能够将粉盒1200内碳粉供应至感光鼓1102表面；在粉盒1200的下表面上设置有第二存储元件1204，该第二存储元件1204在粉盒1200上安装位置靠近粉盒的前表面和右表面的位置，并且第二存储元件中也设置存储单元，该存储单元包括粉盒可以容纳最大废粉量，粉盒中已经容纳废粉量、粉盒新旧、厂商、生产日期等参数中的至少一种参数。由于第二存储元件1204靠近前表面，所以远离显影辊1205，这样显影辊表面的碳粉不会溅飞至第二存储元件1204表面，可以防止第二存储元件被污染；而且第二存储元件1204被设置在粉盒的底面上，相对于存储元件被安装在右侧壁的设计方案，可以避免粉盒在安装过程中，第二存储元件1204碰到打印机主体上用于向粉盒侧壁供电的高压触点。
需要说明的是，上述第一存储元件和第二存储元件只是为了让本领域技术人员更清楚理解本发明，而非限定本发明实施例的技术方案，还可以将粉盒上的存储元件1204称为第一存储元件，将鼓组件上的存储元件1104称为第二存储元件。另外，本实施例中的两个存储元件至少一个存储元件触点与打印机中主体接触件连接方式可以采用实施例一至实施例四中任意一种方式。而且本实施例中的粉盒和鼓组件不限于图11和图12中的分体式结构，还可以设置成一体式的结构。
如图12所示，粉盒1200还包括两个与打印机主体配合的被压部1206、1207，这两个被压部1206、1207分别为从粉盒壳体左侧壁、右侧壁所在的平面向粉盒左右侧延伸的突起；在粉盒1200和鼓组件1100安装至打印机主体后，被压部1206、1207可以接收来自打印机主体向下的压力。并且粉盒右侧的被压部1207接收来自打印机主体的力(第一力)，可以与存储元件1204接收来自打印机接触件向上的弹性力(第二力)相互抵消一部分，这样粉盒可以稳定地安装在打印机内。需要说明的是，上述被压部1206、1207从粉盒左侧壁、右侧壁所在的平面延伸不仅包括直接从左侧壁、右侧壁所在的平面作为根部延伸，还包括从所述粉盒壳体上表面，经过所述左右侧壁平面对应的空间面向左右两侧延伸。
优选地，所述第一力和所述第二力在图12中的上下方向上位于相反的方向。需要说明的是，这里的相反方向不是严格180°的方向，而是大约、大致相反的方向。
如图13所示，第一存储元件上的触点1104a、1104b、1104c、1104d设置成一排，并且每个触点与打印机接触部抵接的部分中心之间的距离为d1。如图14所示，第二存储元件上的触点1204a、1204b、1204c、1204d设置成两排，并且在感光鼓轴线方向(左右)上，触点1204c的与打印机接触部抵接的部分中心和触点1204d的与打印机接触部抵接的部分中心的距离为d3；在前后(垂直于感光鼓轴线，并且大致平行于粉盒侧壁)方向上，触点的与打印机接触部抵接的部分中心之间的距离为d2；并且d1>d2，d1>d3。这样设置的好处是，当鼓组件安装至打印机内时，第一存储元件的触点能够有空间将触点上导电部分设置更大一些，这样鼓组件1100在安装过程中，即使打印机内的与鼓组件配合的间隙很大，也能很好的保证第一存储元件与打印机内的接触件连接；而粉盒安装至鼓组件1200过程中，因为鼓组件上设置有引导粉盒安装的导轨，所以粉盒在左右方向偏移较小，即使第二存储元件上的触点导电部分较小，打印机中的接触件也能够很好的与第二存储元件上的触点接触；而且粉盒安装完成之后，因为鼓组件和粉盒之间的配合间隙较小，所以在前后方向上，粉盒移动范围也较小，d2的距离设置的小于d1也能够满足触电的稳定接触。
虽然本发明所公开的实施方式如上，但上述的内容只是为了便于理解本发明而采用的实施方式，并非用以限定本发明。任何本发明所属技术领域内的技术人员，在不脱离本发明所公开的精神和范围的前提下，可以在实施的形式上及细节上作任何的修改与变化，但本发明的专利保护范围，仍须以所附的权利要求书所界定的范围为准。

Claims (10)

  1. 一种图像形成设备用粉盒，该粉盒包括壳体，所述壳体内设置有用于存储碳粉的粉仓，所述壳体后侧设置有显影辊；其特征在于，所述粉盒还包括：
    位于所述壳体下表面设置有存储粉盒信息的存储元件；并且相对于所述壳体中显影辊所在的后侧，所述存储元件位于更靠近与所述后侧相对的前侧的位置处。
  2. 根据权利要求1所述的粉盒，其特征在于，所述粉盒还包括：从所述粉盒壳体侧壁左侧和/或右侧延伸的被压部；所述粉盒安装至所述成像设备后，所述被压部接收来自所述成像设备的第一力，所述存储元件接收来自所述成像设备的第二力，所述第一力和所述第二力的方向相反。
  3. 根据权利要求1所述的粉盒，其特征在于，所述存储元件上设置有两排触点，靠近所述显影辊的第一排触点包括电压触点和接地触点，第二排触点包括信号触点；所述图像形成设备包括主体，所述主体内设置有分别与所述电压触点、接地触点、信号触点连接的相应接触件；并且所述粉盒安装至所述图像形成设备的过程中，所述接地触点与所述主体中相应接触件的导通早于所述电压触点与所述主体中相应接触件的导通，所述电压触点与主体中相应接触件的导通早于所述信号触点与主体中相应接触件的导通。
  4. 根据权利要求1所述的粉盒，其特征在于，所述存储元件上设置有两排触点，靠近所述显影辊的第一排触点包括电压触点和接地触点，第二排触点包括信号触点；所述图像形成设备包括主体，所述主体内设置有分别与所述电压触点、接地触点、信号触点连接的相应接触件；并且所述粉盒从所述图像形成设备中取出的过程中，所述信号触点与主体中相应接触件的断开早于所述电压触点与主体中相应接触件的断开，所述电压触点与主体中相应接触件的断开早于所述接地触点与所述主体中相应接触件的断开。
  5. 一种图像形成设备用显影盒，包括用于支撑感光鼓的鼓组件，其特征在于，所述显影盒还包括如权利要求1至4中任意一种所述的粉盒。
  6. 根据权利要求5所述的显影盒，其特征在于，所述鼓组件的上表 面也设置有用于存储所述鼓组件信息的存储元件。
  7. 根据权利要求6所述的显影盒，其特征在于，所述鼓组件上的存储元件触点设置成一排，并且所述存储元件位于靠近所述鼓组件框架后侧的位置处。
  8. 根据权利要求6所述的显影盒，其特征在于，所述鼓组件的右侧设置有排出废粉的排出口，所述存储元件在上表面上靠近所述鼓组件框架左侧的位置处。
  9. 根据权利要求6所述的显影盒，其特征在于，所述鼓组件存储元件中每个触点与打印机接触部抵接的部分中心之间的距离为d1；所述粉盒存储元件中第一排触点与打印机接触部抵接的部分中心与所述粉盒存储元件中第二排触点与打印机接触部抵接的部分中心之间的距离为d2；所述粉盒存储元件中第一排触点与打印机接触部抵接的部分中心之间的距离为d3；并且d1>d2，d1>d3。
  10. 一种图像形成装置，所述图像形成装置包括用于安装粉盒或者显影盒的主体，所述主体中设置有与安装粉盒或者显影盒中存储元件触点连接的接触件；其特征在于，所述图像形成装置中还设置有如权利要求1至4中任意一种所述的粉盒，或者如权利要求5至9中任意一种所述的显影盒。
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