WO2013123858A1 - 芯片接触机构和显影剂盒 - Google Patents

芯片接触机构和显影剂盒 Download PDF

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Publication number
WO2013123858A1
WO2013123858A1 PCT/CN2013/071433 CN2013071433W WO2013123858A1 WO 2013123858 A1 WO2013123858 A1 WO 2013123858A1 CN 2013071433 W CN2013071433 W CN 2013071433W WO 2013123858 A1 WO2013123858 A1 WO 2013123858A1
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WIPO (PCT)
Prior art keywords
chip
spring
chip holder
lever
holder
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PCT/CN2013/071433
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English (en)
French (fr)
Inventor
杨晓锋
邱聪雨
谭武刚
Original Assignee
珠海天威飞马打印耗材有限公司
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Application filed by 珠海天威飞马打印耗材有限公司 filed Critical 珠海天威飞马打印耗材有限公司
Priority to DE212013000075.8U priority Critical patent/DE212013000075U1/de
Priority to JP2014600096U priority patent/JP3196279U/ja
Priority to ES201490015U priority patent/ES1135734Y/es
Priority to US14/380,187 priority patent/US9274454B2/en
Publication of WO2013123858A1 publication Critical patent/WO2013123858A1/zh

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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
    • G03G15/0863—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

Definitions

  • the present invention relates to a developer cartridge detachably mountable in an image forming apparatus, and to a chip contact mechanism of such a developer cartridge.
  • the present application claims priority to Chinese Patent Application No. 20121004267, the entire disclosure of which is incorporated herein by reference.
  • An electrophotographic image forming apparatus such as a laser printer is a device for forming an image on an image forming medium such as paper by using an electrophotographic principle, at least by charging, exposing, developing, transferring, fixing, and cleaning, in an image forming apparatus.
  • a developer cartridge is usually detachably mounted to complete the above process.
  • the surface of the photosensitive member such as the photosensitive drum is uniformly charged with a predetermined charge by means of a charging device such as a corona discharge method or a charging roller; in the exposure process, the surface of the photosensitive member which has been charged with a uniform predetermined charge is selected.
  • a developing agent such as a toner for forming a visible image is sent to an electrostatic latent image area of the surface of the photosensitive member by a force such as an electric field force by a developing device such as a developing roller, so that the above electrostatic latent image Visualization is obtained;
  • the developer on the electrostatic latent image on the surface of the photosensitive member is transferred to an image forming medium such as paper by a transfer device such as a transfer roller;
  • the fixing process the image is transferred to the image by the fixing device
  • the developer on the medium is strong on the image forming medium.
  • the cleaning device such as a cleaning blade to prevent the next imaging cycle from being
  • the conventional developer cartridge generally consists of a powder bin unit including a developing roller, a powder discharging knife, a powder feeding roller and a stirring frame, and a waste toner box unit including a photosensitive drum, a charging roller, and the like. Clean the scraper, etc.
  • a part of the developer cartridge is provided with a chip contact mechanism fixed on the casing thereof, the chip contact mechanism has a chip mounting position, and the chip is fixed in the chip mounting position, when the developer cartridge is mounted in the printer body, The chip on the developer cartridge comes into contact with the chip contacts in the printer body, the circuit is turned on, and the developer cartridge starts to work.
  • this method has a large impact on the chip contacts on the image forming apparatus, and even damages the chip contacts on the image forming apparatus, resulting in poor contact and affecting the operation of the developer cartridge.
  • a first object of the present invention is to provide a developer cartridge chip contact mechanism capable of avoiding human damage caused by excessive impact on a chip contact of an image forming apparatus when a developer cartridge is mounted, in view of the drawbacks of the prior art.
  • a second object of the present invention is to provide a developer cartridge having such a chip contact mechanism.
  • the present invention provides a chip contact mechanism of a developer cartridge, comprising a chip holder movably disposed on a casing of the developer cartridge and a lever for moving the chip holder
  • the chip holder has a chip mounting position, and a reset component is disposed between the chip holder and the box body.
  • the lever is hinged to the box body, and the lever abuts on the chip holder; when an external force is applied to the lever, the lever is rotated from a starting position to a working position, and simultaneously Pushing the chip holder to move from the chip disengaged position to the chip contact position; when the external force is released, the chip holder is moved by the resetting member to the chip disengaged position by the chip contact position, At the same time, the lever is pushed to rotate from the working position to the starting position.
  • the resetting member is a spring
  • the chip holder has a spring substrate
  • a spring positioning post is disposed on the spring substrate
  • the spring is sleeved on the spring positioning post
  • the rear end of the spring is abutted Pressed on the spring substrate or fixed on the spring positioning post, the front end is pressed against a spring top plate protruding from the box body.
  • the box body is provided with a sliding slot that cooperates with the chip holder, the chip holder is slidably disposed in the sliding slot; and guide pins are protruded from two sides of the chip holder, Both sides of the chute are provided with a guide rail that cooperates with the guide pin, and the chute is provided above the chip holder with a limiting block for preventing the chip holder from coming off.
  • the present invention provides a developer cartridge including a cartridge body and a chip contact mechanism, the chip contact mechanism including a chip holder movably disposed on the cartridge body and for making the chip
  • the movable lever has a chip mounting position on the chip holder, and a reset component is disposed between the chip holder and the box body.
  • the lever is hinged to the box body, and the lever abuts on the chip holder; when an external force is applied to the lever, the lever is rotated from a starting position to a working position, and simultaneously Pushing the chip holder to move from the chip disengaged position to the chip contact position; when the external force is released, the chip holder is moved by the resetting member to the chip disengaged position by the chip contact position, At the same time, the lever is pushed to rotate from the working position to the starting position.
  • the resetting member is a spring
  • the chip holder has a spring substrate
  • a spring positioning post is disposed on the spring substrate
  • the spring is sleeved on the spring positioning post
  • the rear end of the spring is abutted Pressed on the spring substrate or fixed on the spring positioning post, the front end is pressed against a spring top plate protruding from the box body.
  • the box body is provided with a sliding slot that cooperates with the chip holder, the chip holder is slidably disposed in the sliding slot; and guide pins are protruded from two sides of the chip holder, Both sides of the chute are provided with a guide rail that cooperates with the guide pin, and the chute is provided above the chip holder with a limiting block for preventing the chip holder from coming off.
  • the invention has the beneficial effects that when the developer cartridge having the chip contact structure is loaded into the printer, the chip and the printer contact are disconnected.
  • the cover When the printer is covered by the cover, the cover is pressed by the lever, and the lever drives the chip.
  • the seat moves against the spring force, causing the chip holder to be in the working position, the chip and the printer contacts are in contact, and the developer cartridge starts to work.
  • the printer cover When the printer cover is opened, the chip holder rebounds to the initial position by the spring, and the chip and the printer contacts are disengaged to take out the developer cartridge.
  • Such a design allows the contact of the chip with the contact of the image forming apparatus to be mechanically constructed, thereby avoiding the possibility of artificial damage to the imaging device contact when the developer cartridge is mounted.
  • Figure 1 is a perspective view of a developer cartridge of the present invention.
  • Figure 2 is a partially exploded perspective view of the developer cartridge of Figure 1.
  • Figure 3 is a partial exploded view of another perspective view of the developer cartridge shown in Figure 1.
  • Figure 4 is a plan view of the developer cartridge shown in Figure 1.
  • Figure 5 is a cross-sectional view taken along line A-A of the developer cartridge of Figure 1 with the chip contact structure in a home position.
  • Figure 6 is a cross-sectional view along line A-A of the developer cartridge of Figure 1 with the chip contact structure in an operational position.
  • Figure 7 is a perspective view of the developer cartridge of Figure 1 with the chip contact structure in a home position.
  • Figure 8 is a perspective view of the developer cartridge of Figure 1 with the chip contact structure in an operational position.
  • a developer cartridge as shown in FIG. 1 includes a casing 1 and a chip contact mechanism 2, and the casing 1 and its internal structure are substantially similar to a conventional developer cartridge, and are mainly composed of a powder bin unit and a waste toner box unit.
  • the powder bin unit includes a developing roller, a powder discharging knife, a powder feeding roller, a stirring frame, and the like
  • the waste toner box unit includes a photosensitive drum, a charging roller, and a cleaning blade.
  • the casing 1 may also contain only the toner hopper unit and not the waste toner hopper unit. Since the internal structure of the casing 1 is not related to the innovation of the present invention, the following description is mainly directed to the chip contact mechanism 2.
  • the chip contact mechanism 2 includes a lever 3, a chip holder 4 and a spring 5 which are separable from each other.
  • the box body 1 is provided with a sliding slot 11 for mating with the chip holder 4.
  • the chip holder 4 is provided. Slidably disposed in the chute 11, the front end of the chip holder 4 has a chip mounting position 41 for mounting the fixed chip 6 (see Figs. 7 and 8).
  • the lever 3 is hinged to the lever base 12 of the casing 1 by its rotating shaft 31, and is rotatable relative to the lever base 12 with the rotating shaft 31 as an axis.
  • the lower end 32 of the lever 3 abuts against the rear end of the chip holder 4.
  • the chip holder 4 has a spring substrate 42.
  • a spring positioning post 43 is disposed on the inner side surface of the spring substrate 42.
  • the spring 5 is sleeved on the spring positioning post 43. The rear end of the spring 5 is pressed against the spring.
  • the inner side surface of the substrate 42 is fixed to the spring positioning post 43, and the front end is pressed against the spring top plate 13 which is protruded from the casing 1.
  • Guide pins 44 are disposed on two sides of the chip holder 4, and two sides of the sliding slot 11 are provided with guide rails 14 that cooperate with the guide pins 44.
  • the guide pins 44 are slidable along the lower surface of the guide rails 14, and the sliding slots 11
  • a stopper 15 for preventing the chip holder 4 from coming out is provided above the chip holder 4.
  • the lever 3 When an external force is applied to the lever 3, the lever 3 is rotated from the starting position to the working position, while pushing the chip holder 4 to slide from the chip disengaged position to the chip contact position; when the external force is released, the chip holder 4 is at the spring 5 By the action of the chip contact position sliding to the chip disengagement position, while pushing the lever 3 from the working position to the starting position.
  • the developer cartridge is in the state of the chip contact mechanism 2 before being loaded into the printer, at which time the chip holder 4 is in the chip disengaged position, and the chip 6 at the chip mounting position 41 is in disengagement from the printer contact.
  • the cover presses the lever 3, and the lever 3 rotates and pushes the chip holder 4 against the spring force of the spring 5.
  • the front slide causes the chip holder 4 to be in the chip contact position, the chip 6 at the chip mounting position 41 is in contact with the printer contact, and the developer cartridge starts to operate.
  • the chip holder 4 When the printer cover is opened, the chip holder 4 rebounds to the chip disengaged position at the initial state by the action of the spring 5, and the chip 6 at the chip mounting position 41 is disengaged from the printer contact to take out the developer cartridge.
  • This design allows the contact of the chip with the printer contacts to be mechanically constructed, avoiding the possibility of artificial damage to the printer contacts when the developer cartridge is mounted.
  • the developer cartridge and the chip contact mechanism thereof of the present invention can be industrially manufactured and used, and have industrial applicability.

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

Abstract

一种显影剂盒的芯片接触机构（2），包括可移动地设置在显影剂盒上的芯片座（4）和用于使芯片座（4）移动的拨杆（3），芯片座（4）上具有芯片安装位（41），芯片座（4）与盒体（1）之间设有复位部件（5）。本发明还包括具有所述芯片接触机构（2）的显影剂盒。

Description

芯片接触机构和显影剂盒 技术领域
本发明涉及一种可拆卸地安装在成像设备中的显影剂盒，另外还涉及这种显影剂盒的芯片接触机构。本申请要求于2012年2月23日提交中国专利局、申请号为201210042670.0、名称为“芯片接触机构和显影剂盒”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
背景技术
电子照相式的成像设备如激光打印机，是一种利用电子照相原理，至少经过充电、暴光、显影、转印、定影、清洁的过程，在图像形成介质如纸张上形成图像的设备，成像设备中通常可拆卸地安装有显影剂盒以完成上述过程。
　　在充电过程，通过充电装置，利用如电晕放电方式或者充电辊对光敏元件如感光鼓的表面均匀的充上预定的电荷；在暴光过程，对已充上均匀预定电荷的光敏元件表面进行选择性的暴光，由于光敏元件的光敏特性，被暴光的区域的电荷将被接地消去，这样，在暴光后光敏元件表面形成一对应于所欲形成图像的由电荷的分布所表征的静电潜像；在显影过程，通过显影装置如显影辊，把用于形成可视图像的显影剂如碳粉，配合作用力如电场力的作用送到光敏元件的表面的静电潜像区，使得上述的静电潜像获得可视化；在转印过程，通过转印装置，如转印辊把光敏元件表面的静电潜像上的显影剂转移到图像形成介质如纸张上；在定影过程，通过定影装置把转移到图像介质上的显影剂牢固于图像形成介质上。在清洁过程，通过清洁装置如清洁刮刀，将光敏元件表面残留的显影剂刮掉，以免进入下一个成像周期，造成打印缺陷。
常规的显影剂盒一般由粉仓单元和废粉仓单元组成，粉仓单元包含有显影辊、出粉刀、送粉辊和搅拌架等，废粉仓单元则包含有感光鼓、充电辊和清洁刮刀等。还有部分显影剂盒仅包含粉仓单元，而不包含废粉仓单元。现有技术中，部分显影剂盒设置有固定在其盒体上的芯片接触机构，该芯片接触机构具有芯片安装位，芯片固定在芯片安装位中，当显影剂盒安装到打印机机体内时，显影剂盒上的芯片与打印机机体内的芯片触点接触，电路导通，显影剂盒便开始工作。但这种方式对成像设备上的芯片触点冲击较大，甚至使成像设备上的芯片触点损坏，造成接触不良，影响显影剂盒的工作。
 技术问题
本发明的第一目的在于针对现有技术的缺陷，提供一种能够避免安装显影剂盒时对成像设备的芯片触点冲击过大而造成人为损坏的显影剂盒芯片接触机构。
　　本发明的第二目的在于提供一种具有这种芯片接触机构的显影剂盒。
 技术解决方案
为实现上述第一目的，本发明提供了一种显影剂盒的芯片接触机构，包括可移动地设置在所述显影剂盒的盒体上的芯片座和用于使该芯片座移动的拨杆，所述芯片座上具有芯片安装位，该芯片座与所述盒体之间设有复位部件。
　　进一步地，所述拨杆与所述盒体铰接，该拨杆抵接在所述芯片座上；当外力施加在所述拨杆上时，该拨杆由起始位置转动至工作位置，同时推动所述芯片座由芯片脱离接触位置移动至芯片接触位置；当所述外力释放时，所述芯片座在所述复位部件的作用下由所述芯片接触位置移动至所述芯片脱离接触位置，同时推动所述拨杆由所述工作位置转动至所述起始位置。
　　优选地，所述复位部件为弹簧，所述芯片座具有一弹簧基板，该弹簧基板上延设有一根弹簧定位柱，所述弹簧套置在所述弹簧定位柱上，该弹簧的后端抵压在所述弹簧基板上或固定在所述弹簧定位柱上，前端抵压在凸设于所述盒体上的弹簧顶板上。
　　优选地，所述盒体上设有与所述芯片座配合的滑槽，所述芯片座可滑动地设置在所述滑槽内；所述芯片座的两侧凸设有导销，所述滑槽的两侧设有与所述导销配合的导轨，该滑槽在所述芯片座的上方设有防止该芯片座脱出的限位块。
　　为实现上述第二目的，本发明提供了一种显影剂盒，包括盒体和芯片接触机构，所述芯片接触机构包括可移动地设置在所述盒体上的芯片座和用于使该芯片座移动的拨杆，所述芯片座上具有芯片安装位，该芯片座与所述盒体之间设有复位部件。
　　进一步地，所述拨杆与所述盒体铰接，该拨杆抵接在所述芯片座上；当外力施加在所述拨杆上时，该拨杆由起始位置转动至工作位置，同时推动所述芯片座由芯片脱离接触位置移动至芯片接触位置；当所述外力释放时，所述芯片座在所述复位部件的作用下由所述芯片接触位置移动至所述芯片脱离接触位置，同时推动所述拨杆由所述工作位置转动至所述起始位置。
　　优选地，所述复位部件为弹簧，所述芯片座具有一弹簧基板，该弹簧基板上延设有一根弹簧定位柱，所述弹簧套置在所述弹簧定位柱上，该弹簧的后端抵压在所述弹簧基板上或固定在所述弹簧定位柱上，前端抵压在凸设于所述盒体上的弹簧顶板上。
　　优选地，所述盒体上设有与所述芯片座配合的滑槽，所述芯片座可滑动地设置在所述滑槽内；所述芯片座的两侧凸设有导销，所述滑槽的两侧设有与所述导销配合的导轨，该滑槽在所述芯片座的上方设有防止该芯片座脱出的限位块。
 有益效果
本发明的有益效果在于：具有上述芯片接触结构的显影剂盒装入打印机时，芯片和打印机触点是断开的，当打印机面盖盖上后，面盖压下拨杆，拨杆带动芯片座克服弹簧力而移动，使芯片座处于工作位，芯片和打印机触点处于接触状态，显影剂盒开始工作。当打开打印机面盖时，芯片座在弹簧的作用下回弹到初始位置，芯片和打印机触点脱离，以便取出显影剂盒。这样的设计使芯片与成像设备触点的接触由机械结构来进行，避免了安装显影剂盒时可能对成像设备触点冲击过大而造成人为的损坏。
附图说明
图1是本发明的一种显影剂盒的立体图。
　　图2是图1所示显影剂盒的部分零件分解图。
　　图3是图1所示显影剂盒的另一视角的部分零件分解图。
　　图4是图1所示显影剂盒的俯视图。
　　图5是图1所示显影剂盒在芯片接触结构处于起始位置状态时的A-A剖视图。
　　图6是图1所示显影剂盒在芯片接触结构处于工作位置状态时的A-A剖视图。
　　图7是图1所示显影剂盒在芯片接触结构处于起始位置状态时的立体图。
　　图8是图1所示显影剂盒在芯片接触结构处于工作位置状态时的立体图。
 本发明的实施方式
如图1所示的一种显影剂盒，包括盒体1和芯片接触机构2，盒体1及其内部结构与常规的显影剂盒基本类似，主要由粉仓单元和废粉仓单元组成，粉仓单元包含有显影辊、出粉刀、送粉辊和搅拌架等，废粉仓单元则包含有感光鼓、充电辊和清洁刮刀等。当然，该盒体1也可以仅包含粉仓单元，而不包含废粉仓单元。由于盒体1的内部结构与本发明的创新点无关，以下主要针对芯片接触机构2进行具体描述。
　　如图2和图3所示，该芯片接触机构2包括可相互分离的拨杆3、芯片座4和弹簧5，盒体1上设有与芯片座4配合的滑槽11，该芯片座4可滑动地设置在滑槽11内，芯片座4的前端具有芯片安装位41，用于安装固定芯片6(见图7和图8)。见图5，拨杆3利用其转轴31铰接在盒体1的拨杆座12上，能够以转轴31为轴心而相对于拨杆座12转动。拨杆3的下端32抵接于芯片座4的后端，当拨杆3绕逆时针方向转动时，拨杆3的下端往前摆动，此时拨杆3可推动芯片座4向前滑动。芯片座4具有一弹簧基板42，该弹簧基板42的内侧面上延设有一根弹簧定位柱43，所述弹簧5套置在该弹簧定位柱43上，该弹簧5的后端抵压在弹簧基板42的内侧面上或者固定在弹簧定位柱43上，前端抵压在凸设于盒体1上的弹簧顶板13上。所述芯片座4的两侧凸设有导销44，所述滑槽11的两侧设有与导销44配合的导轨14，导销44可沿导轨14的下表面滑动，该滑槽11在芯片座4的上方设有防止该芯片座4脱出的限位块15。
　　当外力施加在拨杆3上时，该拨杆3由起始位置转动至工作位置，同时推动芯片座4由芯片脱离接触位置滑动至芯片接触位置；当外力释放时，芯片座4在弹簧5的作用下由芯片接触位置滑动至芯片脱离接触位置，同时推动拨杆3由工作位置转动至起始位置。
　　参见图5和图7，显影剂盒在装入打印机前的芯片接触机构2的状态，此时芯片座4处于芯片脱离接触位置，芯片安装位41处的芯片6与打印机触点处于脱离接触的状态；参见图6和图8，在将显影剂盒装入打印机，并把打印机面盖合上后，面盖压下拨杆3，拨杆3转动并推动芯片座4克服弹簧5的弹力向前滑动，使芯片座4处于芯片接触位置，芯片安装位41处的芯片6与打印机触点处于接触状态，显影剂盒开始工作。当打开打印机面盖时，芯片座4在弹簧5的作用下回弹到初始状态时的芯片脱离接触位置，芯片安装位41处的芯片6与打印机触点脱离，以便取出显影剂盒。这样设计使芯片与打印机触点的接触由机械结构来进行，避免了安装显影剂盒时可能对打印机触点冲击过大而造成人为的损坏。
　　以上所述的仅是本发明的优选实施方式，应当指出，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。
 工业实用性
本发明的显影剂盒及其芯片接触机构可以在工业上制造和使用，具备工业实用性。

Claims (8)

  1. 一种显影剂盒的芯片接触机构，其特征在于：包括可移动地设置在所述显影剂盒的盒体上的芯片座和用于使该芯片座移动的拨杆，所述芯片座上具有芯片安装位，该芯片座与所述盒体之间设有复位部件。
  2. 根据权利要求1所述的芯片接触机构，其特征在于：所述拨杆与所述盒体铰接，该拨杆抵接在所述芯片座上；当外力施加在所述拨杆上时，该拨杆由一起始位置转动至一工作位置，同时推动所述芯片座由一芯片脱离接触位置移动至一芯片接触位置；当所述外力释放时，所述芯片座在所述复位部件的作用下由所述芯片接触位置移动至所述芯片脱离接触位置，同时推动所述拨杆由所述工作位置转动至所述起始位置。
  3. 根据权利要求2所述的芯片接触机构，其特征在于：所述复位部件为弹簧，所述芯片座具有一弹簧基板，该弹簧基板上延设有一根弹簧定位柱，所述弹簧套置在所述弹簧定位柱上，该弹簧的后端抵压在所述弹簧基板上或固定在所述弹簧定位柱上，前端抵压在凸设于所述盒体上的弹簧顶板上。
  4. 根据权利要求2或3所述的芯片接触机构，其特征在于：所述盒体上设有与所述芯片座配合的滑槽，所述芯片座可滑动地设置在所述滑槽内；所述芯片座的两侧凸设有导销，所述滑槽的两侧设有与所述导销配合的导轨，该滑槽在所述芯片座的上方设有防止该芯片座脱出的限位块。
  5. 一种显影剂盒，包括盒体和芯片接触机构，其特征在于：所述芯片接触机构包括可移动地设置在所述盒体上的芯片座和用于使该芯片座移动的拨杆，所述芯片座上具有芯片安装位，该芯片座与所述盒体之间设有复位部件。
  6. 根据权利要求5所述的显影剂盒，其特征在于：所述拨杆与所述盒体铰接，该拨杆抵接在所述芯片座上；当外力施加在所述拨杆上时，该拨杆由一起始位置转动至一工作位置，同时推动所述芯片座由一芯片脱离接触位置移动至一芯片接触位置；当所述外力释放时，所述芯片座在所述复位部件的作用下由所述芯片接触位置移动至所述芯片脱离接触位置，同时推动所述拨杆由所述工作位置转动至所述起始位置。
  7. 根据权利要求6所述的显影剂盒，其特征在于：所述复位部件为弹簧，所述芯片座具有一弹簧基板，该弹簧基板上延设有一根弹簧定位柱，所述弹簧套置在所述弹簧定位柱上，该弹簧的后端抵压在所述弹簧基板上或固定在所述弹簧定位柱上，前端抵压在凸设于所述盒体上的弹簧顶板上。
  8. 根据权利要求6或7所述的显影剂盒，其特征在于：所述盒体上设有与所述芯片座配合的滑槽，所述芯片座可滑动地设置在所述滑槽内；所述芯片座的两侧凸设有导销，所述滑槽的两侧设有与所述导销配合的导轨，该滑槽在所述芯片座的上方设有防止该芯片座脱出的限位块。
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