CN106033179B - Detect gear positioning device, protective cover and Delevoping cartridge - Google Patents
Detect gear positioning device, protective cover and Delevoping cartridge Download PDFInfo
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Abstract
Description
技术领域technical field
本发明涉及图像形成设备技术，尤其涉及一种检测齿轮用定位装置、保护罩和显影盒。The invention relates to image forming equipment technology, in particular to a positioning device for detecting gears, a protective cover and a developing box.
背景技术Background technique
激光打印机、复印机或者传真机等均设有图像形成装置，用于在纸上形成文字或图案，图像形成装置中具有腔体，用于放置显影盒。Laser printers, copiers or facsimile machines are all provided with an image forming device for forming characters or patterns on paper, and the image forming device has a cavity for placing a developing cartridge.
如图1-4所示，显影盒包含显影元件101和盒体102，盒体102内用于容纳显影剂，显影元件101与盒体102铰接，显影元件101一部分位于盒体102内，另一部分暴露在盒体102外，显影元件101用于将显影剂从盒体102内转运到盒体102外的感光元件上，进而在感光元件上形成显影剂图像；在盒体102上设置有保护罩103用于覆盖并保护显影元件101的暴露部分；盒体102的侧壁上设有检测齿轮104，检测齿轮104能够相对于盒体102旋转，检测齿轮104上形成有检测凸起105和凹槽106，检测凸起105向盒体102外伸出用于与图像形成装置中的检测装置接触，从而将显影盒信息传递给图像形成装置。As shown in Figures 1-4, the developing cartridge includes a developing element 101 and a box body 102. The inside of the box body 102 is used to accommodate the developer. The developing element 101 is hinged to the box body 102. A part of the developing element 101 is located in the box body 102, and the other part Exposed outside the box body 102, the developing element 101 is used to transfer the developer from the inside of the box body 102 to the photosensitive element outside the box body 102, and then form a developer image on the photosensitive element; a protective cover is provided on the box body 102 103 is used to cover and protect the exposed part of the developing element 101; a detection gear 104 is provided on the side wall of the box body 102, the detection gear 104 can rotate relative to the box body 102, and a detection protrusion 105 and a groove are formed on the detection gear 104 106 , the detection protrusion 105 protrudes out of the cartridge body 102 for contacting with the detection device in the image forming device, so as to transmit the developing cartridge information to the image forming device.
在生产过程中，显影盒在组装后需要进行打印测试，打印测试完成后，检测齿轮会从初始位置旋转到末位置，如果显影盒的打印测试合格，需要对检测齿轮进行复位，即旋转检测齿轮由末位置复位到初始位置，如果检测齿轮未处于初始位置，那么显影盒在首次使用时传递给图像形成装置的信息就不准确，从而影响显影盒的使用。In the production process, the developing cartridge needs to be tested for printing after assembly. After the printing test is completed, the detection gear will rotate from the initial position to the final position. If the printing test of the developing cartridge is qualified, the detection gear needs to be reset, that is, the detection gear is rotated Returning from the final position to the initial position, if the detection gear is not at the initial position, then the information transmitted to the image forming device by the developing cartridge is inaccurate when it is used for the first time, thus affecting the use of the developing cartridge.
发明内容Contents of the invention
本发明提供一种检测齿轮用定位装置、保护罩和显影盒，以提高显影盒使用的可靠性。The invention provides a positioning device for detecting gears, a protective cover and a developing box to improve the reliability of the developing box.
本发明一方面提供一种检测齿轮用定位装置，其中，检测齿轮转动连接在显影盒的盒体上，所述检测齿轮上形成有检测凸起和凹槽，所述检测凸起向盒体外伸出用于与图像形成装置中的检测装置接触，从而将显影盒信息传递给图像形成装置，所述检测齿轮用定位装置包括：One aspect of the present invention provides a positioning device for detection gear, wherein the detection gear is rotatably connected to the box body of the developing cartridge, and detection protrusions and grooves are formed on the detection gear, and the detection protrusions extend out of the case It is used to contact the detection device in the image forming device, so as to transmit the developing cartridge information to the image forming device, and the positioning device for detecting the gear includes:
连接件，所述连接件的第一端用于与所述显影盒相连接；a connecting piece, the first end of the connecting piece is used to connect with the developing cartridge;
定位件，所述定位件与所述连接件的第二端相连接，所述定位件用于与所述检测齿轮相接触，并在所述连接件与所述显影盒相连接的状态下能够限制所述检测齿轮旋转。a positioning piece, the positioning piece is connected to the second end of the connecting piece, the positioning piece is used to contact with the detection gear, and can The detection gear is restricted from rotating.
本发明另一方面提供一种保护罩，包括：保护罩主体，所述保护罩主体用于连接在显影盒的盒体上，以覆盖所述显影盒的显影元件的暴露部分；本发明所提供的检测齿轮用定位装置，所述连接件的第一端与所述保护罩主体连接。Another aspect of the present invention provides a protective cover, including: a protective cover main body, the protective cover main body is used to connect to the box body of the developing cartridge, so as to cover the exposed part of the developing element of the developing cartridge; provided by the present invention The positioning device is used for detecting the gear, and the first end of the connecting piece is connected with the main body of the protective cover.
本发明再一方面提供一种显影盒，所述显影盒的主体上连接有本发明所提供的检测齿轮用定位装置。Another aspect of the present invention provides a developer cartridge, the main body of the developer cartridge is connected with the positioning device for detecting gears provided by the present invention.
基于上述，本发明所提供的检测齿轮用定位装置，使用时，可将连接件与显影盒相连接，同时将定位件与检测齿轮相接触，此时定位件能够限制检测齿轮旋转。由此，在显影盒出厂后可利用定位装置将检测齿轮定位在初始位置，从而可以确保显影盒在首次使用时传递给图像形成装置的信息的准确性，提高了显影盒使用的可靠性。Based on the above, the positioning device for detection gear provided by the present invention can be used to connect the connecting piece with the developing cartridge, and at the same time make the positioning piece contact with the detection gear. At this time, the positioning piece can limit the rotation of the detection gear. Therefore, after the developing cartridge leaves the factory, the detection gear can be positioned at the initial position by the positioning device, thereby ensuring the accuracy of the information transmitted to the image forming device when the developing cartridge is used for the first time, and improving the reliability of using the developing cartridge.
附图说明Description of drawings
图1为现有技术中显影盒的立体结构示意图(省略保护罩)；Fig. 1 is the three-dimensional structure schematic diagram of developing cartridge in the prior art (omit protective cover);
图2为现有技术中显影盒的正面结构示意图(省略保护罩)；Figure 2 is a schematic view of the front structure of the developing cartridge in the prior art (the protective cover is omitted);
图3为现有技术中显影盒的局部结构示意图(省略保护罩)；Fig. 3 is a partial structural schematic diagram of a developing cartridge in the prior art (the protective cover is omitted);
图4为现有技术中显影盒的正面结构示意图(包含保护罩)；Figure 4 is a schematic view of the front structure of the developing cartridge in the prior art (including the protective cover);
图5为本发明实施例提供的一种保护罩的内部结构示意图；Fig. 5 is a schematic diagram of the internal structure of a protective cover provided by an embodiment of the present invention;
图6为本发明实施例提供的一种保护罩的外部结构示意图；Fig. 6 is a schematic diagram of the external structure of a protective cover provided by an embodiment of the present invention;
图7-图9为本发明实施例提供的一种保护罩安装过程的示意图；7-9 are schematic diagrams of a protective cover installation process provided by an embodiment of the present invention;
图10为本发明实施例提供的一种显影盒在检测齿轮处于初始位置时的状态示意图；Fig. 10 is a schematic diagram of a developing cartridge provided by an embodiment of the present invention when the detection gear is in the initial position;
图11为本发明实施例提供的一种显影盒在检测齿轮处于非初始位置时的状态示意图；Fig. 11 is a schematic diagram of a developing cartridge provided by an embodiment of the present invention when the detection gear is in a non-initial position;
图12为本发明实施例提供的另一种保护罩的内部结构示意图；Fig. 12 is a schematic diagram of the internal structure of another protective cover provided by the embodiment of the present invention;
图13为本发明实施例提供的另一种保护罩的外部结构示意图；Fig. 13 is a schematic diagram of the external structure of another protective cover provided by the embodiment of the present invention;
图14为本发明实施例提供的另一种显影盒在检测齿轮处于初始位置时的状态示意图。FIG. 14 is a schematic view of another developing cartridge provided by an embodiment of the present invention when the detection gear is at an initial position.
附图标记：Reference signs:
101：显影元件； 102：盒体； 103：保护罩；101: developing element; 102: box body; 103: protective cover;
104：检测齿轮； 105：检测凸起； 106：凹槽；104: detection gear; 105: detection protrusion; 106: groove;
107：外凸部； 201：连接件； 202：定位件；107: convex part; 201: connecting piece; 202: positioning piece;
203：定位凸起； 204：定位凹部； 205：凹陷部；203: positioning protrusion; 204: positioning concave part; 205: concave part;
206：凸起部； 207：保护罩主体。206: raised portion; 207: protective cover main body.
具体实施方式Detailed ways
请参考图5-14，本发明实施例提供一种检测齿轮用定位装置，其中，检测齿轮104转动连接在显影盒的盒体102上，所述检测齿轮104上形成有检测凸起105和凹槽106，所述检测凸起105向盒体102外伸出用于与图像形成装置中的检测装置接触，从而将显影盒信息传递给图像形成装置，所述检测齿轮用定位装置包括：连接件201，所述连接件201的第一端用于与所述显影盒相连接；定位件202，所述定位件202与所述连接件201的第二端相连接，所述定位件202用于与所述检测齿轮104相接触，并在所述连接件201与所述显影盒相连接的状态下能够限制所述检测齿轮104旋转。Please refer to Fig. 5-14, the embodiment of the present invention provides a positioning device for detection gear, wherein, the detection gear 104 is rotatably connected to the box body 102 of the developing cartridge, and the detection gear 104 is formed with a detection protrusion 105 and a concave Groove 106, the detection protrusion 105 protrudes out of the box body 102 for contact with the detection device in the image forming device, so as to transmit the information of the developing cartridge to the image forming device, and the positioning device for the detection gear includes: a connecting piece 201, the first end of the connecting piece 201 is used to connect with the developing cartridge; the positioning piece 202, the positioning piece 202 is connected with the second end of the connecting piece 201, and the positioning piece 202 is used for It is in contact with the detecting gear 104 and can limit the rotation of the detecting gear 104 when the connecting member 201 is connected to the developing cartridge.
本实施例中，使用时，可将连接件201与显影盒相连接，同时将定位件202与检测齿轮104相接触，此时定位件202能够限制检测齿轮104旋转。由此，在显影盒出厂后可利用定位装置将检测齿轮104定位在初始位置，从而可以确保显影盒在首次使用时传递给图像形成装置的信息的准确性，提高了显影盒使用的可靠性。其中，显影盒可包括显影元件101、盒体102和保护罩103等，定位装置可连接在盒体102或保护罩103上。其中，连接件201可与显影盒可拆卸连接或转动连接。In this embodiment, when in use, the connecting piece 201 can be connected with the developing cartridge, and at the same time, the positioning piece 202 can be in contact with the detection gear 104 , at this time, the positioning piece 202 can limit the rotation of the detection gear 104 . Therefore, the detection gear 104 can be positioned at the initial position by the positioning device after the developer cartridge leaves the factory, thereby ensuring the accuracy of the information transmitted to the image forming device when the developer cartridge is used for the first time, and improving the reliability of the developer cartridge in use. Wherein, the developing cartridge may include a developing element 101 , a cartridge body 102 , a protective cover 103 , etc., and the positioning device may be connected to the cartridge body 102 or the protective cover 103 . Wherein, the connecting member 201 can be detachably connected or rotatably connected with the developing cartridge.
本实施例中，优选的，定位件202形成有定位凸起203和定位凹部204，所述定位凸起203能够伸入所述凹槽106中，所述定位凹部204能够容纳所述检测凸起105，从而将所述检测齿轮104定位。当需要将检测齿轮104进行定位时，可将定位凸起203伸入凹槽106中，并使检测凸起105伸入定位凹部204，进而使定位件202和检测齿轮104之间形成卡持定位，由此，可使定位件202对于检测齿轮104的定位可靠且操作方便。当然，定位件202也可为夹持件或抵持件等，当检测齿轮104上形成有一个或多个的检测凸起105，且检测凸起与检测齿轮104不共轴线时(请参考图14)，定位件202可为扣件，扣件中形成有一个定位凹部204，在定位过程中，可将扣件扣装在一个检测凸起105b上，即使定位凹部204容纳检测凸起105b，便可使检测齿轮104定位。In this embodiment, preferably, the positioning member 202 is formed with a positioning protrusion 203 and a positioning recess 204, the positioning protrusion 203 can extend into the groove 106, and the positioning recess 204 can accommodate the detection protrusion 105, so as to position the detection gear 104. When the detection gear 104 needs to be positioned, the positioning protrusion 203 can be inserted into the groove 106, and the detection protrusion 105 can be extended into the positioning recess 204, thereby forming a clamping position between the positioning member 202 and the detection gear 104. , thus, the positioning of the positioning member 202 for the detection gear 104 is reliable and easy to operate. Of course, the positioning part 202 can also be a clamping part or a holding part, etc., when one or more detection protrusions 105 are formed on the detection gear 104, and when the detection protrusions and the detection gear 104 are not coaxial (please refer to Fig. 14), the positioning member 202 can be a fastener, and a positioning recess 204 is formed in the fastener. During the positioning process, the fastener can be fastened on a detection protrusion 105b, even if the positioning recess 204 accommodates the detection protrusion 105b, Then the detection gear 104 can be positioned.
请参考图5，本实施例中，优选的，定位件202为扣盖，所述定位凸起203和定位凹部204设置于所述扣盖内，所述扣盖用于扣装在所述检测齿轮104上，以覆盖所述检测齿轮104。由于扣盖能够覆盖检测齿轮104，因此能够对检测齿轮104形成保护作用，防止在显影盒运输过程中由于碰撞使检测齿轮104转动或损坏，进一步提高了显影盒使用的可靠性。Please refer to FIG. 5. In this embodiment, preferably, the positioning member 202 is a buckle cover, and the positioning protrusion 203 and the positioning recess 204 are arranged in the buckle cover, and the buckle cover is used for buckling on the detection device. on the gear 104 to cover the detection gear 104. Since the buckle cover can cover the detection gear 104, it can protect the detection gear 104, prevent the detection gear 104 from rotating or being damaged due to collision during the transportation of the developing cartridge, and further improve the reliability of the developing cartridge.
请参考图6，本实施例中，优选的，定位凸起203在所述扣盖外部对应形成凹陷部205，所述定位凹部204在所述扣盖外部对应形成凸起部206。由此，可使定位件202各部位的材料厚度均匀，方便制造且节省材料和成本。Please refer to FIG. 6 , in this embodiment, preferably, the positioning protrusion 203 forms a corresponding recess 205 on the outside of the buckle cover, and the positioning recess 204 forms a corresponding protrusion 206 on the outside of the buckle cover. Thus, the material thickness of each part of the positioning member 202 can be made uniform, which facilitates manufacturing and saves materials and costs.
本实施例中，优选的，扣盖能够在所述检测齿轮104处于初始位置的状态下与所述检测齿轮104扣合，且在所述检测齿轮104处于非初始位置的状态下无法与所述检测齿轮104相扣合。在显影盒生产过程中，当显影盒的打印测试合格后，需要将检测齿轮104进由末位置复位到初始位置，之后可将扣盖与检测齿轮104进行扣合，如果检测齿轮104未处于初始位置则扣盖无法与检测齿轮104进行扣合，由此利于使显影盒生产人员发现检测齿轮104未处于初始位置，进而能够及时将检测齿轮104复位到初始位置，保证显影盒在首次使用时传递给图像形成装置的信息的准确性。In this embodiment, preferably, the buckle cover can be fastened with the detection gear 104 when the detection gear 104 is in the initial position, and cannot be engaged with the detection gear 104 in the state of the non-initial position. The detection gear 104 is engaged with each other. During the production process of the developing cartridge, when the printing test of the developing cartridge is qualified, the detection gear 104 needs to be reset from the final position to the initial position, and then the buckle cover can be fastened with the detection gear 104, if the detection gear 104 is not in the initial position position, the buckle cover cannot be buckled with the detection gear 104, which is beneficial for the developer box production personnel to find that the detection gear 104 is not in the initial position, and then can reset the detection gear 104 to the initial position in time to ensure that the developer box is delivered when it is used for the first time. Accuracy of Information to Image Forming Devices.
本实施例中，优选的，定位凸起203能够在所述检测齿轮104处于初始位置的状态下伸入所述凹槽106中，且所述定位凹部204能够在所述检测齿轮104处于初始位置的状态下容纳所述检测凸起105，从而使所述扣盖能够和所述检测齿轮104相扣合(请参考图9和图10)；所述定位凸起203在所述检测齿轮104处于非初始位置的状态下无法伸入所述凹槽106中，且所述定位凹部204在所述检测齿轮104处于非初始位置的状态下无法容纳所述检测凸起105，从而使所述扣盖和所述检测齿轮104无法相扣合(请参考图11)。在检测齿轮104处于初始位置的状态下，定位凸起203和凹槽106以及定位凹部204和检测凸起105之间的位置相对应，从而定位凸起203和凹槽106以及定位凹部204和检测凸起105能够相接合，进而使扣盖能够和检测齿轮104相扣合；在检测齿轮104由于旋转而处于非初始位置的状态下，定位凸起203和凹槽106以及定位凹部204和检测凸起105之间的位置相互错开，此时如果使扣盖和检测齿轮104靠近时，定位凸起203和检测凸起105之间会产生抵持，从而使定位凸起203无法伸入凹槽106中，且定位凹部204无法容纳检测凸起105，进而导致扣盖无法和检测齿轮104相扣合。由此，利用定位凸起203和定位凹部204即可实现扣盖在检测齿轮104处于初始位置的状态下能够与检测齿轮104扣合，且在检测齿轮104处于非初始位置的状态下无法与检测齿轮104相扣合，结构简单、操作方便。其中，定位凸起203和凹槽106以及定位凹部204和检测凸起105之间可以为过盈配合。In this embodiment, preferably, the positioning protrusion 203 can extend into the groove 106 when the detection gear 104 is in the initial position, and the positioning recess 204 can be in the initial position of the detection gear 104 The detection protrusion 105 is accommodated in the state, so that the button cover can be engaged with the detection gear 104 (please refer to FIG. 9 and FIG. 10); the positioning protrusion 203 is in the position of the detection gear 104 In the state of the non-initial position, it cannot extend into the groove 106, and the positioning recess 204 cannot accommodate the detection protrusion 105 in the state of the detection gear 104 in the non-initial position, so that the buckle cover It cannot be engaged with the detection gear 104 (please refer to FIG. 11 ). When the detection gear 104 is in the initial position, the positions between the positioning protrusion 203 and the groove 106 and the positioning recess 204 and the detection protrusion 105 correspond, so that the positioning protrusion 203 and the groove 106 and the positioning recess 204 and the detection The protrusion 105 can be engaged, and then the buckle cover can be engaged with the detection gear 104; under the state that the detection gear 104 is in a non-initial position due to rotation, the positioning protrusion 203 and the groove 106 and the positioning recess 204 and the detection protrusion The positions between the protrusions 105 are staggered from each other. At this time, if the button cover and the detection gear 104 are approached, there will be resistance between the positioning protrusion 203 and the detection protrusion 105, so that the positioning protrusion 203 cannot extend into the groove 106. , and the positioning recess 204 cannot accommodate the detection protrusion 105 , thus causing the buckle cover to fail to engage with the detection gear 104 . Thus, using the positioning protrusion 203 and the positioning recess 204, the buckle cover can be engaged with the detection gear 104 when the detection gear 104 is in the initial position, and cannot be engaged with the detection gear 104 when the detection gear 104 is in a non-initial position. The gears 104 are interlocked, and the structure is simple and the operation is convenient. Wherein, the positioning protrusion 203 and the groove 106 and the positioning recess 204 and the detection protrusion 105 may be interference fit.
下面以两个具体实例进行说明：Two specific examples are given below:
实例一Example one
请参考图5-图10，在实例一中，检测齿轮104包括一个C形的检测凸起105，在C形检测凸起105的开口处形成有凹槽106，相对应的，扣盖中的定位凹部204也为C形，且在C形定位凹部204的开口处形成有定位凸起203。在检测齿轮104处于初始位置的状态下，定位凸起203和凹槽106以及定位凹部204和检测凸起105之间的位置相对应，定位凸起203能够伸入凹槽106中，且定位凹部204能够容纳检测凸起105，进而使扣盖能够和检测齿轮104相扣合；请参考图11，在检测齿轮104由于旋转而处于非初始位置的状态下，定位凸起203和凹槽106以及定位凹部204和检测凸起105之间的位置相互错开，此时如果使扣盖和检测齿轮104靠近时，定位凸起203和检测凸起105之间会产生抵持，从而使定位凸起203无法伸入凹槽106中，且定位凹部204无法容纳检测凸起105，进而导致扣盖无法和检测齿轮104相扣合。Please refer to Fig. 5-Fig. 10. In Example 1, the detection gear 104 includes a C-shaped detection protrusion 105, and a groove 106 is formed at the opening of the C-shaped detection protrusion 105. Correspondingly, the The positioning recess 204 is also C-shaped, and a positioning protrusion 203 is formed at an opening of the C-shaped positioning recess 204 . When the detection gear 104 is in the initial position, the position between the positioning protrusion 203 and the groove 106 and the positioning recess 204 and the detection protrusion 105 are corresponding, the positioning protrusion 203 can stretch into the groove 106, and the positioning recess 204 can accommodate the detection protrusion 105, and then the buckle cover can be engaged with the detection gear 104; please refer to FIG. The positions between the positioning recess 204 and the detection protrusion 105 are mutually staggered. At this time, if the buckle cover and the detection gear 104 are approached, there will be resistance between the positioning protrusion 203 and the detection protrusion 105, so that the positioning protrusion 203 It cannot extend into the groove 106 , and the positioning recess 204 cannot accommodate the detection protrusion 105 , so that the buckle cover cannot be engaged with the detection gear 104 .
实例二Example two
请参考图12-图14，在实例二中，检测齿轮104起包括一个C形的检测凸起105a和一个柱状的检测凸起105b，在C形的检测凸起105a和柱状的检测凸起105b之间形成有凹槽106，盒体102在靠近检测齿轮104的位置处形成有外凸部107，相对应的，扣盖中也设有C形的定位凹部204a和柱状的定位凹部204b(对应图12和图14中的C形的凸起部206a和柱状的凸起部206b)，在C形的定位凹部204a和柱状的定位凹部204b之间形成有定位凸起203(对应图12和图14中的凹陷部205)。在检测齿轮104处于初始位置的状态下，定位凸起203和凹槽106、C形的定位凹部204a和C形的检测凸起105a以及柱状的定位凹部204b和柱状的检测凸起105b之间的位置相对应，定位凸起203能够伸入凹槽106中，且C形的定位凹部204a能够容纳C形的检测凸起105a，柱状的定位凹部204b能够容纳柱状的检测凸起105b，进而使扣盖能够和检测齿轮104相扣合；在检测齿轮104由于旋转而处于非初始位置的状态下，定位凸起203和凹槽106、C形的定位凹部204a和C形的检测凸起105a以及柱状的定位凹部204b和柱状的检测凸起105b之间的位置相互错开，此时如果使扣盖和检测齿轮104靠近时，定位凸起203和C形的检测凸起105a和/或柱状的检测凸起105b之间会产生抵持，从而使定位凸起203无法伸入凹槽106中，且C形的定位凹部204a无法容纳C形的检测凸起105a、柱状的定位凹部204b无法容纳柱状的检测凸起105b，进而导致扣盖无法和检测齿轮104相扣合。扣盖中还可设有能够容纳外凸部107的柱状的定位凹部204c，从而在检测齿轮104处于初始位置的状态下，柱状的定位凹部204c和外凸部107之间的位置相对应，柱状的定位凹部204c能够容纳外凸部107。Please refer to Fig. 12-Fig. 14, in the second example, the detection gear 104 includes a C-shaped detection protrusion 105a and a columnar detection protrusion 105b, and the C-shaped detection protrusion 105a and the columnar detection protrusion 105b A groove 106 is formed between them, and the box body 102 is formed with an outer convex portion 107 at a position close to the detection gear 104. Correspondingly, a C-shaped positioning concave portion 204a and a columnar positioning concave portion 204b (corresponding to C-shaped protrusion 206a and columnar protrusion 206b among Fig. 12 and Fig. 14), between the C-shaped positioning recess 204a and the post-shaped positioning recess 204b, positioning protrusion 203 is formed (corresponding to Fig. 12 and Fig. 14 in the recessed portion 205). In the state where the detection gear 104 is in the initial position, the distance between the positioning protrusion 203 and the groove 106, the C-shaped positioning recess 204a and the C-shaped detection protrusion 105a, and the columnar positioning recess 204b and the columnar detection protrusion 105b The positions are corresponding, the positioning protrusion 203 can extend into the groove 106, and the C-shaped positioning recess 204a can accommodate the C-shaped detection protrusion 105a, and the columnar positioning recess 204b can accommodate the columnar detection protrusion 105b, so that the buckle The cover can be engaged with the detection gear 104; when the detection gear 104 is in a non-initial position due to rotation, the positioning protrusion 203 and the groove 106, the C-shaped positioning recess 204a and the C-shaped detection protrusion 105a and the columnar The positions between the positioning concave portion 204b of the C-shaped detection protrusion 105b and the columnar detection protrusion 105b are mutually staggered. At this time, if the button cover and the detection gear 104 are approached, the positioning protrusion 203 and the C-shaped detection protrusion 105a and/or the columnar detection protrusion 105a There will be resistance between the protrusions 105b, so that the positioning protrusion 203 cannot extend into the groove 106, and the C-shaped positioning recess 204a cannot accommodate the C-shaped detection protrusion 105a, and the columnar positioning recess 204b cannot accommodate the columnar detection The protrusion 105b further prevents the buckle cover from engaging with the detection gear 104 . A columnar positioning recess 204c capable of accommodating the external protrusion 107 can also be provided in the buckle cover, so that when the detection gear 104 is in the initial position, the positions between the columnar positioning recess 204c and the external protrusion 107 correspond, and the columnar The positioning concave portion 204c of can accommodate the external convex portion 107 .
当然，检测齿轮104还可为其他形状，只要使定位凸起203和定位凹部204能够和检测齿轮104上的检测凸起105和凹槽106的形状相配合即可。Of course, the detection gear 104 can also have other shapes, as long as the positioning protrusion 203 and the positioning recess 204 can match the shapes of the detection protrusion 105 and the groove 106 on the detection gear 104 .
本发明实施例提供一种保护罩，包括：保护罩主体207，所述保护罩主体207用于可拆卸安装在显影盒的盒体102上，以覆盖所述显影盒的显影元件101的暴露部分；本发明任意实施例所述的检测齿轮用定位装置，所述连接件201的第一端与所述保护罩主体207连接。An embodiment of the present invention provides a protective cover, including: a protective cover main body 207, the protective cover main body 207 is used for detachable installation on the box body 102 of the developing cartridge, so as to cover the exposed part of the developing element 101 of the developing cartridge ; In the positioning device for detecting gears according to any embodiment of the present invention, the first end of the connector 201 is connected to the main body 207 of the protective cover.
本实施例中，当保护罩主体207安装在显影盒的盒体102上后，可将定位件202与检测齿轮104相接触，此时定位件202能够限制检测齿轮104旋转。由此，在显影盒出厂后可利用定位装置将检测齿轮104定位在初始位置，从而可以确保显影盒在首次使用时传递给图像形成装置的信息的准确性，提高了显影盒使用的可靠性。In this embodiment, after the main body 207 of the protective cover is installed on the box body 102 of the developing cartridge, the positioning member 202 can be brought into contact with the detection gear 104 , and the positioning member 202 can limit the rotation of the detection gear 104 at this moment. Therefore, the detection gear 104 can be positioned at the initial position by the positioning device after the developer cartridge leaves the factory, thereby ensuring the accuracy of the information transmitted to the image forming device when the developer cartridge is used for the first time, and improving the reliability of the developer cartridge in use.
本实施例中，优选的，连接件201的第一端与所述保护罩主体207转动连接，用于在所述保护罩主体207和所述盒体102连接的状态下，使所述定位件202能够至少沿所述检测齿轮104的轴向运动。由此，通过使定位件202沿检测齿轮104的轴向运动，从而可使定位件202靠近或远离检测齿轮104，进而可方便的实现定位件202对检测齿轮104的定位或解除定位。当然，连接件201的第一端也与保护罩主体207可拆卸连接或一体制成，而连接件201本身也可为柔性件或连杆装置。In this embodiment, preferably, the first end of the connecting piece 201 is rotatably connected to the protective cover main body 207, so as to make the positioning member 202 is able to move at least along the axial direction of the detection gear 104 . Therefore, by moving the positioning member 202 along the axial direction of the detection gear 104 , the positioning member 202 can be moved closer to or away from the detection gear 104 , and then the positioning member 202 can be conveniently positioned or released for the detection gear 104 . Of course, the first end of the connecting piece 201 is also detachably connected with the main body 207 of the protective cover or made integrally, and the connecting piece 201 itself can also be a flexible piece or a link device.
本发明实施例提供一种显影盒，所述显影盒的主体上连接有本发明任意实施例所述的检测齿轮用定位装置。An embodiment of the present invention provides a developer cartridge, the main body of the developer cartridge is connected with the positioning device for detecting gears described in any embodiment of the present invention.
本实施例中，使用时，可将定位件202与检测齿轮104相接触，此时定位件202能够限制检测齿轮104旋转。由此，在显影盒出厂后可利用定位装置将检测齿轮104定位在初始位置，从而可以确保显影盒在首次使用时传递给图像形成装置的信息的准确性，提高了显影盒使用的可靠性。其中，显影盒的主体可包括显影元件101、盒体102和保护罩103等，定位装置可连接在盒体102或保护罩103上。In this embodiment, during use, the positioning member 202 can be brought into contact with the detection gear 104 , and at this time the positioning member 202 can limit the rotation of the detection gear 104 . Therefore, the detection gear 104 can be positioned at the initial position by the positioning device after the developer cartridge leaves the factory, thereby ensuring the accuracy of the information transmitted to the image forming device when the developer cartridge is used for the first time, and improving the reliability of the developer cartridge in use. Wherein, the main body of the developing cartridge may include a developing element 101 , a cartridge body 102 and a protective cover 103 , etc., and the positioning device may be connected to the cartridge body 102 or the protective cover 103 .
最后应说明的是：以上各实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述各实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的范围。Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the various embodiments of the present invention. scope.
Claims (9)
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| CN201510106234.9A CN106033179B (en) | 2015-03-11 | 2015-03-11 | Detect gear positioning device, protective cover and Delevoping cartridge |
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