Chip rack and processing box

Abstract

The utility model provides a chip rack and a processing box with the chip rack. The chip rack is suitable for the processing box which is detachably arranged in imaging equipment. The processing box comprises a developing unit and a drum unit, the developing unit comprises a developing frame body, a developing roller rotatably arranged in the developing frame body, a conductive element used for providing power for the developing roller and a conductive support, and the conductive support is provided with a supporting part used for supporting the conductive element; the drum unit comprises a drum frame, a photosensitive drum rotatably arranged in the drum frame, a driving end cover and a conductive end cover, the conductive end cover is provided with a containing groove used for containing the supporting part, the driving end cover and the conductive end cover are both integrally formed with the drum frame, the chip frame is detachably installed on the conductive end cover, and when the chip frame is installed on the conductive end cover, the photosensitive drum is driven by the driving end cover to rotate. A part of the chip rack is located at the opening of the accommodating groove; according to the scheme, the assembly process of the processing box is smoother.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic photographic imaging, in particular to a chip frame and a processing box. Background Art

[0002] The processing box is an essential component of the electronic photographic imaging device, and the processing box includes a developing unit for containing toner and a drum unit for containing waste toner; the developing unit includes a developing frame with a toner containing chamber and a developing roller rotatably arranged in the developing frame; the drum unit includes a drum frame with a waste toner containing chamber and a photosensitive drum rotatably arranged in the drum frame; the developing roller is used to provide toner to the photosensitive drum, thereby developing the electrostatic latent image on the photosensitive drum.

[0003] In the prior art, a chip is provided on the processing box to store information related to the processing box, such as model, specifications, number of printable pages, etc. When the chip is installed in the imaging device, the chip contacts the contact pins in the imaging device, so that the imaging device can stably read and identify information related to the processing box.

[0004] However, as imaging device manufacturers continue to upgrade imaging devices, chips also need to be updated in a timely manner, otherwise the processing box may not work properly. However, the chip in the prior art is difficult to remove after being installed in a fixed position in the processing box, resulting in the inability to update and upgrade the chip in a timely manner. A chip rack for installing chips is now designed to facilitate users to update and upgrade chips. Utility Model Content

[0005] In order to overcome the problems existing in the above-mentioned prior art, the main purpose of the utility model is to provide a chip rack and a processing box having the chip rack, so as to facilitate users to update and upgrade chips.

[0006] In order to achieve the above purpose, the utility model specifically adopts the following technical solutions:

[0007] A chip holder is suitable for a processing box that can be detachably installed in an imaging device; the processing box includes a developing unit and a drum unit, the developing unit includes a developing frame with a toner accommodating chamber, a developing roller rotatably arranged in the developing frame, a conductive element for transmitting power provided by the imaging device to the developing roller, and a conductive bracket, the conductive bracket is provided with a supporting portion for supporting the conductive element; the drum unit includes a drum frame with a waste powder accommodating chamber, a photosensitive drum rotatably arranged in the drum frame, a driving end cover and a conductive end cover, the conductive end cover is provided with a accommodating groove for accommodating the supporting portion, the driving end cover and the conductive end cover are both formed integrally with the drum frame, the rotation axis of the photosensitive drum extends in a first direction, and along the first direction, the driving end cover and the conductive end cover are respectively located at two ends of the processing box; the chip holder is detachably mounted on the conductive end cover, and when the chip holder is mounted on the conductive end cover, a portion of the chip holder is located at the opening of the accommodating groove.

[0008] Furthermore, the chip rack further comprises a positioning portion, which is used to abut against a protrusion in the imaging device to position the processing box, and when the chip rack is mounted to the conductive end cover, the positioning portion is located at the opening of the accommodating groove.

[0009] Furthermore, the chip rack is also provided with an avoidance portion, and along a second direction intersecting with the first direction, the avoidance portion is arranged adjacent to the positioning portion, the support portion is provided with an arc surface, and the avoidance portion has a shape matching the arc surface.

[0010] Furthermore, the conductive end cap has a conductive end cap body and a coupling mechanism formed on the conductive end cap body; the chip frame has a chip frame body and a coupled mechanism formed on the chip frame body; the chip frame is fixed on the conductive end cap by the cooperation of the coupling mechanism and the coupled mechanism.

[0011] Further, the coupled mechanism includes a supporting protrusion, which is configured as a "T"-shaped protrusion; the coupling mechanism includes a mounting groove, which is configured as a "T"-shaped groove that cooperates with the "T"-shaped protrusion.

[0012] Furthermore, the supporting protrusion and the mounting groove are both provided in two numbers, and along the second direction, the two “T”-shaped grooves of the mounting groove are provided at intervals on both sides of the upper end of the conductive end cover.

[0013] Further, it is characterized in that the coupled mechanism also includes a buckling portion configured as an elastic buckle; the coupling mechanism also includes a coupling portion configured as a groove, and the buckling portion is used to cooperate with the coupling portion.

[0014] Furthermore, the developing unit also includes a powder feeding roller that feeds carbon powder to the developing roller, and the conductive element includes a first conductive member that transfers power provided by the imaging device to the developing roller and a second conductive member that transfers power provided by the imaging device to the powder feeding roller, and at least a portion of the first conductive member and the second conductive member are exposed through the support portion.

[0015] The utility model also provides a processing box, which comprises the chip frame as described above. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the processing box involved in the utility model.

[0017] Figure 2 It is a stereoscopic diagram of the driving end of the processing box involved in the utility model.

[0018] Figure 3 It is an exploded schematic diagram of some components of the driving end of the processing box involved in the utility model.

[0019] Figure 4 It is a side view of the processing box involved in the utility model observed along the first direction.

[0020] Figure 5 and Figure 6 It is a three-dimensional diagram of a chip rack in a processing box involved in the utility model. DETAILED DESCRIPTION

[0021] The following further describes in detail a chip rack and a processing box with the chip rack, as well as other aspects of the present invention, through specific methods and with reference to the accompanying drawings.

[0022] like Figure 1 and Figure 2 As shown, the processing box 1 in this embodiment can be detachably installed in an electronic photographic imaging device (hereinafter referred to as: imaging device), including a developing unit 10 that can accommodate toner and a drum unit 20 that can accommodate waste toner; the developing unit 10 includes a developing frame 11 having a toner accommodating chamber for accommodating toner, and a developing roller (not shown) and a powder feeding roller (not shown) rotatably arranged in the developing frame 11; the drum unit 20 includes a drum frame 21 having a waste powder accommodating chamber for accommodating waste toner and a photosensitive drum 22 rotatably arranged in the drum frame 21, the waste powder accommodating chamber is used to accommodate waste toner, the powder feeding roller is used to convey toner to the developing roller, and the developing roller is used to provide toner to the photosensitive drum 22; the developing frame 11 and the drum frame 21 are collectively referred to as a shell 1a.

[0023] To make the following description clearer, the extension direction of the rotation axis L of the photosensitive drum 22 is defined as the first direction, the direction intersecting the first direction is defined as the second direction, the developing unit 10 and the drum unit 20 are arranged along the second direction, and the end where the developing unit 10 is located is defined as the front end, and the end where the drum unit 20 is located is defined as the rear end.

[0024] The processing box 1 also has a first driving force receiving member 31 and a second driving force receiving member 32 for receiving the driving force output by the imaging device, the first driving force receiving member 31 is used to directly or indirectly drive the developing roller to rotate, and the second driving force receiving member 32 is used to directly or indirectly drive the photosensitive drum 22 to rotate; along the first direction, the processing box 1 also includes a driving end cover 40, the driving end cover 40 has an end cover body 41 with a first through hole 42 and a second through hole 43 formed on the end cover body 41; at least a portion of the first driving force receiving member 31 is exposed through the first through hole 42, and at least a portion of the second driving force receiving member 32 is exposed through the second through hole 43.

[0025] Along the first direction, the end where the first driving force receiving member 31 and the second driving force receiving member 32 are located is defined as the driving end / left end, and the end opposite to the driving end is the conductive end / right end; the driving end cover 40 is arranged at the driving end, and the end opposite to the driving end cover 40 is the conductive end cover 50, that is, the conductive end cover 50 is located at the right end of the driving end cover 40, or in other words, the conductive end cover 50 is located at the conductive end; the driving end cover 40 and the conductive end cover 41 are detachably connected to the shell 1a, and can also be formed integrally with the shell 1a. In the case of integral formation, preferably, the driving end cover 40 and the conductive end cover 50 are formed integrally with the drum frame 21.

[0026] The processing box 1 also has a conductive element and a conductive bracket 60, the conductive element includes a first conductive member 33 and a second conductive member 34, the first conductive member 33 is used to transfer the power provided by the imaging device to the developing roller, and the second conductive member 34 is used to transfer the power provided by the imaging device to the powder feeding roller; the conductive bracket 60 has a conductive bracket body 61, and is used to support the developing roller so that the developing roller can rotate stably in the developing frame 11; the first conductive member 33 and the second conductive member 34 can be conductive steel sheets or other materials with conductive properties.

[0027] like Figure 3 and Figure 4 As shown, along the first direction, the processing box 1 also includes a support portion 62 extending to the right from at least one of the conductive bracket body 61 and the shell 1a, and the support portion 62 is used to support the first conductive member 33 and the second conductive member 34, and at least a portion of the first conductive member 33 and the second conductive member 34 are exposed through the support portion 62 and electrically connected to the imaging device, thereby receiving the power transmitted by the imaging device; the support portion 62 is also provided with an arc surface 63.

[0028] like Figure 5 and Figure 6 As shown, the conductive end cover 50 includes a conductive end cover body 51 and a coupling mechanism formed on the conductive end cover body 51; the processing box 1 also includes a chip rack 70 for installing a chip 80, the chip rack 70 includes a chip rack body 70a, a coupled mechanism formed on the chip rack body 70a, and a mounting portion 71 for installing the chip 80, the coupling mechanism cooperates with the coupled mechanism to position and limit the chip rack 70 to prevent the chip rack 70 from being displaced, specifically, the coupling mechanism includes a mounting groove 52, the mounting groove 52 is at least used to position the chip rack 70, the coupled mechanism includes a supporting protrusion 72, when the chip rack 70 is installed to the conductive end cover 50, the supporting protrusion 72 engages with the mounting groove 52, thereby positioning and fixing the chip rack 70.

[0029] Furthermore, the combining mechanism also includes a joining portion 53, and the combined mechanism also includes a snap-fit ​​portion 73, and the snap-fit ​​portion 73 is used to abut against the joining portion 53 to further stably fix the chip rack 70 on the conductive end cover 50. Thus, the chip rack 70 can be installed on the end cover 50 in a detachable manner, which not only simplifies the assembly structure of the processing box 1, but also realizes the rapid upgrade or replacement of the chip; the conductive end cover 50 also includes a receiving groove 54 formed on the conductive end cover body 51, and the receiving groove 54 is used to accommodate the support portion 62.

[0030] In some implementations, the combining mechanism may also be disposed on the chip frame 70 , and the combined mechanism may be disposed on the conductive end cap 50 .

[0031] When the chip 80 needs to be upgraded or updated, the chip frame 70 can be removed from the conductive end cover 50, and then the chip 80 can be upgraded or replaced, or the chip frame 70 with the upgraded chip 80 installed can be directly replaced, which is convenient for user operation; preferably, the support protrusion 72 is set to at least one "T"-shaped protrusion, and the installation groove 52 is set to at least one "T"-shaped groove matching the "T"-shaped protrusion, so that the chip frame 70 can be easily installed and disassembled along the first direction, and the support protrusion and the installation groove are preferably two, the buckling portion 72 is preferably an elastic buckle, and the coupling portion 53 is set to a groove; along the second direction, the two "T"-shaped grooves of the installation groove 52 are spaced apart on both sides of the upper end of the conductive end cover 50, and the coupling portion 52 is located between the two "T"-shaped grooves.

[0032] The chip rack 70 also includes a positioning portion 74 and an avoidance portion 75, and along the second direction, the positioning portion 74 is arranged adjacent to the avoidance portion 75, the positioning portion 74 is used to abut against the protrusion in the imaging device, so as to position the processing box 1 to prevent the processing box 1 from being offset after being installed in the imaging device, causing the processing box 1 to fail to work normally. When the chip rack 70 is installed to the conductive end cover 50, the positioning portion 74 is located at the opening of the accommodating groove 54.

[0033] When assembling the processing box 1, since the support part 62 is fixed on at least one of the conductive bracket body 61 and the shell 1a, and the conductive end cover 50, the driving end cover 40 are formed integrally with the drum frame 21, the developing unit 10 and the drum unit 20 are combined in a manner that one of them rotates relative to the other. At this time, if the chip frame 70 is integrally arranged with the conductive end cover 50, the positioning part 74 and the support part 62 will interfere with each other, resulting in the processing box 1 cannot be smoothly assembled; in the utility model, the chip frame 70 and the conductive end cover 50 are separately arranged. During installation, the drum unit 20 and the developing unit 10 are first combined, and then the chip frame 70 is installed on the conductive end cover 50. In this way, the chip frame 70 will not interfere with the support part 62, so that it can be assembled smoothly.

[0034] In some embodiments, the avoidance portion 75 has a shape that matches the arc surface 63 of the support portion 62, which can make the assembly process smoother.

[0035] As described above, the chip holder 70 can be detachably installed on the conductive end cover 50. During the assembly of the processing box 1, the positioning portion 74 on the chip holder 70 will not interfere with the supporting portion 62. After the developing unit 10 and the drum unit 20 are assembled, the chip holder 70 is installed. This can make the assembly process smoother and at the same time, it is convenient for users to upgrade or replace the chip 80.

Claims

1. A chip holder, suitable for a processing box detachably installed in an imaging device; the processing box comprises a developing unit and a drum unit, the developing unit comprises a developing frame having a toner accommodating chamber, a developing roller rotatably arranged in the developing frame, a conductive element for transmitting power provided by the imaging device to the developing roller, and a conductive bracket, the conductive bracket being provided with a supporting portion for supporting the conductive element; the drum unit comprises a drum frame having a waste toner accommodating chamber, a photosensitive drum rotatably arranged in the drum frame, a driving end cover and a conductive end cover, the conductive end cover being provided with a accommodating groove for accommodating the supporting portion, the driving end cover and the conductive end cover being both formed integrally with the drum frame, the rotation axis of the photosensitive drum extending in a first direction, and along the first direction, the driving end cover and the conductive end cover are respectively located at two ends of the processing box; It is characterized in that The chip frame is detachably mounted on the conductive end cover. When the chip frame is mounted on the conductive end cover, a portion of the chip frame is located at the opening of the accommodating groove.

2. The chip rack according to claim 1, characterized in that: The chip rack further comprises a positioning portion, which is used to abut against a protrusion in the imaging device to position the processing box. When the chip rack is mounted to the conductive end cover, the positioning portion is located at the opening of the accommodating groove.

3. The chip rack according to claim 2, characterized in that: The chip rack is further provided with an avoidance portion, and along a second direction intersecting with the first direction, the avoidance portion is arranged adjacent to the positioning portion, the support portion is provided with an arc surface, and the avoidance portion has a shape matching the arc surface.

4. The chip rack according to claim 1, characterized in that: The conductive end cap has a conductive end cap body and a coupling mechanism formed on the conductive end cap body; the chip frame has a chip frame body and a coupled mechanism formed on the chip frame body; the chip frame is fixed on the conductive end cap through the cooperation of the coupling mechanism and the coupled mechanism.

5. The chip rack according to claim 4, characterized in that: The coupled mechanism includes a supporting protrusion, which is configured as a "T"-shaped protrusion; the coupling mechanism includes a mounting groove, which is configured as a "T"-shaped groove that matches the "T"-shaped protrusion.

6. The chip rack according to claim 5, characterized in that: The supporting protrusion and the mounting groove are both provided in two pieces, and along the second direction, the two "T"-shaped grooves of the mounting groove are arranged at intervals on both sides of the upper end of the conductive end cover.

7. The chip rack according to claim 4, characterized in that: The coupled mechanism further comprises a buckling portion configured as an elastic buckle; the coupling mechanism further comprises an engaging portion configured as a groove, and the buckling portion is used to cooperate with the engaging portion.

8. The chip rack according to claim 1, characterized in that: The developing unit also includes a powder feeding roller that feeds carbon powder to the developing roller, and the conductive element includes a first conductive member that transfers power provided by the imaging device to the developing roller and a second conductive member that transfers power provided by the imaging device to the powder feeding roller, and at least a portion of the first conductive member and the second conductive member are exposed through the supporting portion.

9. A process cartridge, characterized in that: The processing box includes the chip rack according to any one of claims 1-7.

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