TWM471366U - Image display cartridge - Google Patents

Description

Imaging

This creation relates to electronic imaging devices such as printers and photocopiers, and more particularly to a developing cartridge for electronic imaging devices.

A general image forming unit usually includes a casing having carbon powder and a stirring member inside, and a developing roller, a gear set, and a side cover covering the gear unit. When the image forming device is installed in an electronic imaging device, the gear set is driven to drive the stirring member and the developing roller to rotate, so that the toner generates static electricity and adheres to the developing roller, and the electronic imaging device is inside the electronic imaging device. A photosensitive drum is provided, and the latent image on the photosensitive drum is developed by a developing roller to which toner is attached, and is printed on the paper.

The gear set of the aforementioned imaging cartridge includes a detecting gear pair for detecting the model when the image forming device is just installed into the electronic imaging device, thereby enabling the electronic imaging device to know the Information about the image, such as the amount of toner. The detecting gear pair includes a first gear that can continuously rotate, and a second gear that is not meshed with any other gear, and the actuating manner is mainly to make the first gear rotate to a specific position for the first time. The second gear meshes and drives the second gear to rotate by a specific angle (for example, a half turn), and at the same time, a measured portion of the second gear protrudes from an opening of the side cover, so that the electronic Imaging equipment The device can know the model number by detecting the length or width of the tested portion.

However, the second gear of the aforementioned detecting gear pair has no other function after completing the foregoing functions, but the cost of the gear is high, and if other components can be used to achieve the function of the second gear, the display can be reduced. The cost. In addition, if the imaging device is moved by the user or even taken out from the electronic imaging device during the detecting process, the device under test is easily protruded from the side cover and easily interacts with components in the electronic imaging device. Collision, which is liable to cause damage to components in the device under test or in the electronic imaging device.

In view of the above shortcomings, the main purpose of this creation is to provide a visual image, which is lower in cost.

In order to achieve the above object, the image display provided by the present invention comprises a casing, a side cover provided on one side of the casing and having an opening, a first rotating member, and a second rotating member; the first rotating member The rotatably disposed between the outer casing and the side cover and having a plurality of convex portions; the second rotating member has a disk body rotatably disposed between the outer casing and the side cover, and a resilient pad is disposed thereon A partial edge of the disk body and optionally abutting the convex portion of the first rotating member, and a limiting portion extending from the disk body and extending into the opening of the side cover.

Thereby, the second rotating member can be rotated by the first rotating member, and the electronic imaging device equipped with the developing device can detect the model of the developing device by detecting the limiting portion. Moreover, the second rotating member is less expensive than conventional gears.

Another purpose of this creation is to provide a visual image that is less susceptible to damage.

In order to achieve the above object, the limiting portion of the second rotating member may have two elastic pieces extending into the opening of the side cover, and a predetermined distance is left between the two elastic pieces for borrowing from the electronic imaging device. The image of the image forming device is detected by detecting the predetermined distance; or the limiting portion of the second rotating member may have a resilient piece extending into the opening of the side cover for detecting by the electronic imaging device The length or width of the shrapnel is used to know the model of the developing image; by using the elastic shrapnel, even if the developing image is moved by the user or even taken out from the electronic imaging device during the detection, the convex The elastic piece extending from the side cover collides with the components in the electronic imaging device, and the elastic piece is also not easily damaged or causes damage to components in the electronic imaging device.

10‧‧‧Development

20‧‧‧ Shell

21‧‧‧Outside

22, 23, 24, 25‧‧‧ shaft

26‧‧‧ Guidance Department

262‧‧‧ end face

264, 266‧‧ ‧ bevel

30‧‧‧Dynamic wheel

32‧‧‧ mandrel

40‧‧‧ front cover

50‧‧‧ Gear Set

51‧‧‧ Gears

511‧‧‧First tooth

512‧‧‧second tooth

52, 53, 54‧‧‧ gears

541‧‧‧First tooth

542‧‧‧Second tooth

55‧‧‧First rotating part

552‧‧‧ Ontology

552a‧‧‧ convex

554‧‧‧Axis

554a‧‧‧ convex

556‧‧‧ arrive at the top

558‧‧‧Drive shaft

60‧‧‧Second rotating parts

61‧‧‧ dish

62‧‧‧Axis hole

63‧‧‧Apartment

64‧‧‧Bumps

642‧‧‧Bevel

65‧‧‧Limited

652‧‧‧Support film

654‧‧‧Shrap

66‧‧‧Elastic mat

70‧‧‧Flexible parts

80‧‧‧ side cover

81‧‧‧Protruding

812‧‧‧ top wall

814‧‧‧ side wall

82‧‧‧ openings

90, 90’ ‧ ‧ visualization

1 is a perspective assembled view of a developing screen provided by a first preferred embodiment of the present invention.

Fig. 2 is an exploded perspective view of the developing port, and wherein one of the front faces of the developing frame is removed for explanation.

Figure 3 is a perspective view of a housing of the imaging cartridge.

Figure 4 is an exploded perspective view of one side cover, an elastic member, a second rotating member and a first rotating member of the developing device.

Fig. 5 is an exploded perspective view showing the side cover, the elastic member, the second rotating member and the first rotating member of the developing unit in a direction different from that of Fig. 4.

Fig. 6 to Fig. 8 are side views of the casing, the second rotating member and the first rotating member of the developing bowl, and the operation thereof is shown.

Figure 9 is a perspective assembled view of the casing, the second rotating member and the first rotating member of the developing device.

Figure 10 is a perspective assembled view of a developing screen provided by a second preferred embodiment of the present invention.

Figure 11 is a perspective assembled view of a housing, a first rotating member and a second rotating member of the developing cartridge provided by the second preferred embodiment.

Figure 12 is a side elevational view of the casing, the first rotating member and the second rotating member of the developing cartridge provided by the second preferred embodiment.

Figure 13 is a perspective assembled view of a developing screen provided by a third preferred embodiment of the present invention.

Figure 14 is similar to Figure 13, except that one of the front and side covers of the image is removed for illustration.

The Applicant first describes the same or similar elements or structural features thereof in the embodiments and the drawings which will be described below.

Please refer to FIG. 1 and FIG. 2 . The imaging cartridge 10 provided in the first preferred embodiment includes a housing 20 , a developing roller 30 disposed on the front side of the housing 20 , and a front cover 40 . And a gear set 50 disposed on the right side of the outer casing 20, a second rotating member 60, an elastic member 70 and a side cover 80.

The outer casing 20 is internally provided with carbon powder and a stirring member (not shown). As shown in FIG. 3, the outer casing 20 has an outer surface 21 facing the side cover 80 and protrudes from the outer side surface 21. The four shafts 22, 23, 24, 25 and a guiding portion 26 are located on the periphery of the shaft 25 and have an end surface 262 facing the side cover 80, and two ends from the end surface 262, respectively. Inclined surfaces 264, 266 that extend obliquely in the direction of the outer side surface 21.

The developing roller 30 is rotatable relative to the outer casing 20 and is capable of adsorbing toner in the outer casing 20. As shown in Fig. 2, the developing roller 30 has a spindle 32 which projects out of the outer side surface 21.

As shown in Fig. 1, the front cover 40 temporarily covers the developing roller 30. When the developing cartridge 10 is mounted for use in an electronic imaging device (not shown), the front cover 40 is removed.

Referring to FIG. 2 and FIG. 3 , the gear set 50 includes a gear 51 rotatably sleeved on the shaft 22 , a gear 52 fixed to the spindle 32 , and a gear 52 disposed on the casing 20 . An inner roller (not shown) a gear 53 of the spindle, a gear 54 rotatably sleeved on the shaft 23, and a first rotating member 55 rotatably sleeved on the shaft 24 In the embodiment, the first rotating member 55 is a gear. The gears 51 and 54 respectively have a first tooth portion 511, 541 and a second tooth portion 512, 542. The gears 52, 53 are meshed with the first tooth portion 511 of the gear 51, and the second tooth portion 542 of the gear 54 is coupled with The second tooth portion 512 of the gear 51 meshes.

As shown in FIG. 4, the first rotating member 55 has a gear-shaped body 552, a central axis 554 extending from the center of the body 552, and a body 552. An abutting top 556 extending outwardly of the central axis 554, wherein the outer edge of the central shaft 554 has a plurality of convex portions 554a, as shown in FIG. 2, the body 552 is engaged with the first tooth portion 541 of the gear 54. In addition, as shown in FIG. 5, the central shaft 554 further has a transmission shaft 558 which is fixed to the agitating member in the outer casing 20. Thereby, when the gear 51 is driven, the gears 52, 53, 54 and the first rotating member 55 are also driven to rotate, thereby driving the stirring member and the developing roller 30 to rotate.

The second rotating member 60 includes a disc body 61, a shaft hole 62 at the center of the disc body 61 and extending into the shaft 25, and an abutting portion 63 extending from the disc body 61 toward the outer casing 20. And a protrusion 64, a limiting portion 65 extending from the disk body 61 in the direction of the side cover 80, and an elastic pad 66 disposed on a partial edge of the disk body 61, the elastic pad 66 may be foamed or Made of other materials with elasticity. The limiting portion 65 includes two supporting pieces 652 integrally connected to the disk body 61, and two elastic pieces 654 respectively abutting the two supporting pieces 652, and a predetermined distance is left between the two elastic pieces 654.

The elastic member 70 is a compression spring. The side cover 80 limits the gear set 50 and the second rotating member 60 between the outer casing 20 and the side cover 80, and compresses the elastic member 70 to the side cover 80. Between the disc body 61 of the second rotating member 60, the elastic member 70 is provided with a pre-force for moving the second rotating member 60 away from the side cover 80. In addition, the side cover 80 has a pair of projections 81 corresponding to the second rotating member 60. The projection 81 has a top wall 812 opposite the outer casing 20, and a side wall 814 surrounding the top wall 812. The wall 812 is provided with an arcuate opening 82. The elastic piece 654 of the limiting portion 65 of the second rotating member 60 extends into the opening 82. The two supporting pieces 652 do not protrude into the opening 82.

When the image forming unit 10 is just mounted in the electronic image forming apparatus, the second rotating member 60 is not in contact with the first rotating member 55, as shown in FIG. When the first rotating member 55 is rotated clockwise from the sixth drawing and rotated to the position shown in FIG. 7 for the first time, the abutting top 556 pushes the abutting portion 63 of the second rotating member 60. The second rotating member 60 is rotated counterclockwise from the seventh drawing. Then, the elastic pad 66 abuts the shaft 554 of the gear 55. At this time, since the elastic pad 66 has elasticity, the central shaft 554 can The elastic pad 66 is embedded in the convex portion 554a, so as to drive the second rotating member 60 to rotate. Therefore, even if the abutting portion 63 is rotated by a small angle after the second rotating member 60 is rotated, the abutting portion 556 is no longer received by the abutting portion 556. The second rotating member 60 continues to be driven by the central shaft 554 until the central shaft 554 no longer abuts the elastic pad 66. As shown in FIG. 8, the second rotating member 60 does not continue to rotate. At this time, since the abutting portion 63 has moved away from the shaft 554 of the first rotating member 55, even if the first rotating member 55 continues to rotate, the second rotating member 60 is no longer driven.

Referring to FIG. 9, in the process of rotating the second rotating member 60 from the position shown in FIG. 7 to the position shown in FIG. 8, a slope 642 of the bump 64 of the second rotating member 60 will be First, the inclined surface 264 of the guiding portion 26 of the outer casing 20 is contacted, and then the convex portion 64 is abutted by the guiding portion 26 and slides along the inclined surface 264, and at the same time, the second rotating member 60 faces the side cover. Moving in the direction of 80, the elastic piece 654 of the limiting portion 65 is protruded from the opening 82; then, the convex piece 64 is slid along the end surface 262 of the guiding portion 26, so that the electronic imaging device can detect the The second elastic piece 654 is displaced; finally, the second rotating member 60 is elastically biased by the elastic member 70 to slide the convex piece 64 along the inclined surface 266 of the guiding portion 26, and the second rotating member 60 faces the outer casing. Direction of 20 Moving, the two elastic pieces 654 are returned to the opening 82.

In this way, the electronic imaging device can know the model of the imaging cartridge 10 by detecting the predetermined distance between the two elastic pieces 654; or the limiting portion 65 of the second rotating member 60 can have only one elastic piece 654. For the electronic imaging device, the type of the imaging device is known by detecting the length, width or moving distance of the elastic piece 654. Regardless of the number of the elastic pieces 654, since the elastic piece 654 has elasticity, even if the developing target 10 is moved by the user or even taken out from the electronic imaging device during the detection, the elastic piece 654 protruding from the side cover 80 is protruded. Colliding with the components in the electronic imaging device, the elastic piece 654 is also not easily damaged or causes damage to components in the electronic imaging device. Moreover, the present invention enables the imaging cartridge 10 to be detected by the electronic imaging device with the second rotating member 60 having a lower manufacturing cost than the gear. Therefore, it is less expensive to use the gear to achieve the aforementioned effect.

It should be noted that the limiting portion 65 of the image forming device provided by the present invention can be designed as another structure such as a block extending from the disk body (for details, as described in the second preferred embodiment below), or the limit. The portion 65 may also have no support piece 652, and the elastic piece 654 may be directly disposed on the disk body 61; however, the design of the support piece 652 may make the elastic piece 654 more easily and stably disposed. In addition, in the embodiment, the shaft 554 of the first rotating member 55 has a gear shape, and thus has a plurality of teeth arranged in a ring shape, that is, the convex portion 554a, and the convex portions 554a are arranged in parallel, but The central axis 554 is not limited thereto, as long as the outer edge has a plurality of convex portions 554a that can be embedded in the elastic pad 66, regardless of the shape of the convex portions 554a or whether they are arranged in parallel.

Please refer to FIG. 10 to FIG. 12 for a second preferred embodiment of the present invention. A development image 90 is provided, the main differences from the development image 10 of the first preferred embodiment described above are detailed below.

First, the body 552 of the first rotating member 55 of the developing screen 90 is not in the shape of a gear. Since the focus of the present invention is to use the first rotating member 55 to drive the second rotating member 60 to rotate temporarily, the limiting portion 65 of the second rotating member 60 can be detected by the rotation, and the first rotating member 55 is driven. The manner of turning is not the focus of the creation and is not limited. In other words, the first rotating member 55 is not limited to be driven by the gear, so that the body 552 is not limited to a gear shape.

In addition, the limiting portion 65 of the second rotating member 60 of the developing screen 90 is in the shape of a bump, and the opening 82 of the side cover 80 of the developing port 90 is disposed on the top wall 812 and the side wall of the protruding portion 81. 814. Moreover, the housing 20 and the second rotating member 60 of the developing screen 90 do not have the guiding portion 26 and the bump 64 as described in the first preferred embodiment. Therefore, the second rotating member 60 of the developing screen 90 When it is rotated, it does not move in the direction of the side cover 80, and the limiting portion 65 does not protrude from the opening 82, so that the elastic member 70 for resetting the second rotating member 60 is not required. In this case, the limiting portion 65 of the second rotating member 60 of the imaging device 90 can still be detected through the opening 82 of the side cover 80. For example, the detecting component of the electronic imaging device can protrude into the opening 82. For the position limiting portion 65 to push, and by sensing the number or size of the limiting portion 65, the model number of the image forming unit is known.

Moreover, regardless of the design of the first or second preferred embodiment of the body 552 of the first rotating member 55 and the limiting portion 65 of the second rotating member 60, the elastic pad 66 of the second rotating member 60 can be The image forming device 抵 has been abutted with the central axis 554 of the first rotating member 55, so that as long as the first rotating member 55 starts to rotate, the first driving member 55 can be driven. The two rotating members 60 rotate, thereby causing the developing target to be detected by the electronic imaging device. In this case, the first rotating member 55 and the second rotating member 60 may not have the abutting top 556 and the abutting portion 63 as described in the first preferred embodiment.

Referring to Figures 13 through 14, a third preferred embodiment of the present invention provides a display 匣 90', the main differences of which are similar to those of the second preferred embodiment described above.

First, the second rotating member 60 of the developing screen 90' has two limiting portions 65. Therefore, the type of the developing frames 90, 90' can be distinguished by sensing the number of the limiting portions 65.

In addition, the elastic pad 66 of the second rotating member 60 of the developing device 90' is selectively abutted against the body 552 of the first rotating member 55, thereby being driven to be briefly rotated; in other words, the first rotating member The body 552 of the 55 has a convex portion 552a for abutting against the elastic pad 66; in this case, the first rotary member 55 may not have the central shaft 554. In this embodiment, the body 552 of the first rotating member 55 is gear-shaped and meshes with the gear 54; however, since the first rotating member 55 is driven, the focus of the creation is not limited and is used. The convex portion 552a that abuts against the elastic pad 66 is not limited to the teeth of the gear, and therefore the body 552 is not limited to a gear shape.

10‧‧‧Development

20‧‧‧ Shell

26‧‧‧ Guidance Department

30‧‧‧Dynamic wheel

32‧‧‧ mandrel

50‧‧‧ Gear Set

51‧‧‧ Gears

511‧‧‧First tooth

512‧‧‧second tooth

52, 53, 54‧‧‧ gears

541‧‧‧First tooth

542‧‧‧Second tooth

55‧‧‧First rotating part

552‧‧‧ Ontology

554‧‧‧Axis

556‧‧‧ arrive at the top

60‧‧‧Second rotating parts

61‧‧‧ dish

63‧‧‧Apartment

65‧‧‧Limited

652‧‧‧Support film

654‧‧‧Shrap

66‧‧‧Elastic mat

70‧‧‧Flexible parts

80‧‧‧ side cover

81‧‧‧Protruding

812‧‧‧ top wall

814‧‧‧ side wall

82‧‧‧ openings

Claims (13)

A developing device includes: a casing; a side cover disposed on one side of the casing, the side cover having an opening; a first rotating member rotatably disposed between the casing and the side cover, And having a plurality of convex portions; and a second rotating member having a disk body rotatably disposed between the outer casing and the side cover, a resilient pad disposed on a partial edge of the disk body and selectively responsive to the first A convex portion of the rotating member abuts, and a limiting portion extends from the disk body and protrudes into the opening of the side cover. The image forming device of claim 1, wherein the outer casing has a guiding portion, the second rotating member has a protrusion protruding from the disk body, and the protruding block is selectively received by the guiding portion. And moving the second rotating member toward the side cover; the developing device further includes an elastic member disposed between the side cover and the disk of the second rotating member to provide a The rotation of the two rotating members away from the side cover. The imaging cartridge of claim 1, wherein the first rotating member has a body, and the outer peripheral edge has the convex portions. The image forming cassette of claim 1, wherein the first rotating member has a body, and a center shaft extends from a center of the body, the central shaft outer edge having the convex portions. The image forming cassette of claim 4, wherein the first rotating member has an abutting portion extending from the body and located outside the central axis, and the second rotating member has an abutting portion extending from the disk body and Optionally, the top of the first rotating member abuts against the top. The image forming cassette of claim 1, wherein the limiting portion of the second rotating member has two elastic pieces extending into the opening of the side cover, and a predetermined distance is left between the two elastic pieces. The image forming device of claim 6, wherein the limiting portion of the second rotating member further has two supporting pieces respectively abutting the two elastic pieces and not extending into the opening of the side cover. The image forming cassette of claim 1, wherein the limiting portion of the second rotating member has a resilient piece extending into the opening of the side cover. The image forming device of claim 1, wherein the second rotating member has a shaft hole located at a center of the disk body, and the outer casing extends with a shaft extending into the shaft hole. The image forming device of claim 1, wherein the convex portions of the first rotating member are arranged in parallel. The imaging cartridge of claim 1, wherein the elastic pad of the second rotating member is made of foam. The image forming cassette of claim 1, wherein the side cover has a pair of protrusions corresponding to the second rotating member, the protruding portion has a top wall opposite to the outer casing, and a side wall surrounding the top wall. The opening is provided on the top wall. The image forming cassette of claim 1, wherein the side cover has a pair of protrusions corresponding to the second rotating member, the protruding portion has a top wall opposite to the outer casing, and a side wall surrounding the top wall. The opening of the side cover is further disposed on a sidewall of the protruding portion.