CN219872132U - Developing box - Google Patents
Developing box Download PDFInfo
- Publication number
- CN219872132U CN219872132U CN202321255228.6U CN202321255228U CN219872132U CN 219872132 U CN219872132 U CN 219872132U CN 202321255228 U CN202321255228 U CN 202321255228U CN 219872132 U CN219872132 U CN 219872132U
- Authority
- CN
- China
- Prior art keywords
- contact
- signal
- developing cartridge
- ground
- image forming
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 claims abstract description 4
- 230000001154 acute effect Effects 0.000 claims description 3
- 238000003384 imaging method Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Electrophotography Configuration And Component (AREA)
Abstract
The present utility model provides a developing cartridge detachably mountable to an image forming apparatus having a contact, the developing cartridge comprising: a housing in which a developer is stored; a memory unit, the memory unit comprising: a memory element, an electrical connection portion, and a contact portion; the memory element is characterized in that the contact part is used for being electrically connected with the contact piece, and the memory element is electrically connected with the contact part through the electric connection part; in the front-rear direction, the memory element is disposed near the front side, and the contact portion is disposed near a rear side opposite to the front side; in the mounting direction of the developing cartridge, the signal contact and the ground contact are provided on two different rows, respectively, so that the signal contact is in contact with the signal piece of the contact piece and is not later than the ground contact is in contact with the ground piece of the contact piece in the process of mounting the developing cartridge to the image forming apparatus.
Description
Technical Field
The utility model relates to the field of imaging, in particular to a developing box.
Background
Printers or image forming apparatuses having a printing function are common office equipment, and are also becoming home electronics devices. Most of the existing printers use a detachable developing cartridge to transfer an image onto a recording medium, and then fuse the image into the recording medium through a fixing process. When the developing cartridge is normally used, the developing cartridge is installed in the printer, the developing cartridge comprises a storage element, the storage element is used for recording information such as a manufacturer, a model, service life and the like of the developing cartridge, and a contact piece which is contacted with the storage element of the developing cartridge is arranged in the printer main body, so that the electric connection information interaction between the imaging device and the developing cartridge is realized, and the information of the storage element of the developing cartridge can be acquired or rewritten.
The prior art discloses a developing cartridge for installing in a printer, the developing cartridge includes a housing, a powder bin for storing toner is provided in the housing, a developing roller is provided at the rear side of the housing, the developing cartridge further includes a storage element for storing developing cartridge information provided at the lower surface of the housing, and two rows of contacts are provided on the storage element. The first row of contacts comprises a voltage contact and a ground contact, the second row of contacts comprises a signal contact, and a contact piece which is respectively contacted with the voltage contact, the ground contact and the signal contact is arranged in the imaging device. And during mounting of the developing cartridge to the image forming apparatus, the ground contact contacts the ground contact in the printer earlier than the voltage contact contacts the voltage contact in the printer earlier than the signal contact contacts.
In one conventional approach, the contacts and the storage elements that are in contact with the contacts in the printer body are provided on the side covers on the bottom surface side of the developing cartridge, respectively, however, the position space on the bottom surface side of the developing cartridge is small, and the storage elements are easily squeezed or interfere, resulting in damage to the storage elements.
Disclosure of Invention
In order to better develop the prior art, the present utility model provides a new developing cartridge, which is realized in particular by:
a developing cartridge detachably mountable to an image forming apparatus having a contact, the developing cartridge comprising:
a housing in which a developer is stored;
a memory unit, the memory unit comprising: a memory element, an electrical connection portion, and a contact portion;
the memory element is characterized in that the contact part is used for being electrically connected with the contact piece, and the memory element is electrically connected with the contact part through the electric connection part; in the front-rear direction, the memory element is disposed near the front side, and the contact portion is disposed near a rear side opposite to the front side;
the contact portion includes a signal contact and a ground contact, which are disposed on two different rows, respectively, in a mounting direction of the developing cartridge, such that the signal contact is in contact with a signal piece of the contact member and is not later than the ground contact is in contact with a ground piece of the contact member in a process of mounting the developing cartridge to the image forming apparatus.
Further, the signal contacts include a first signal contact and a second signal contact, the first signal contact and the second signal contact are arranged in the same row, the first signal contact is in contact with a first signal piece of the contact piece, and the ground contact is in contact with a ground piece of the contact piece no later than the ground contact.
Further, the contact portion has an electrical contact surface formed by the ground contact and the signal contact, the electrical contact surface being disposed obliquely with respect to a mounting direction of the developing cartridge.
Further, the electrical contact surface forms an angle with the mounting direction of the developing cartridge, the angle being an acute angle.
Further, the housing has a front face and a rear face which are oppositely disposed in the mounting direction of the developing cartridge, an upper face and a lower face which are oppositely disposed in the up-down direction, the contact portion is disposed at the lower face, and the storage element is disposed at the rear face or the upper face.
Further, the contact portion and the storage element are provided separately in the mounting direction of the developing cartridge.
Further, the power supply contact is arranged in the same row as the grounding contact, the signal contact is contacted with the signal piece of the contact piece, and the power supply contact is contacted with the power piece of the contact piece earlier than the power supply contact.
Further, the ground contact and the signal contact have a first distance in the mounting direction of the developing cartridge, and the ground member of the contact and the signal member of the contact have a second distance in the mounting direction of the developing cartridge when the developing cartridge is not loaded in the image forming apparatus, wherein the first distance is smaller than the second distance.
Further, the signal contacts comprise a first signal contact and a second signal contact, the first signal contact and the second signal contact are arranged in the same row, and the first signal contact is higher than the second signal contact in the up-down direction.
The developing cartridge of the utility model realizes the position clearance between the storage element and the drum assembly and the image forming device by changing the mounting position or the mounting angle of the storage element, and prevents the storage element from being damaged due to position extrusion or collision, thereby preventing printing failure.
Description of the drawings:
FIG. 1 is a schematic view of an angle of a developing cartridge of the present utility model;
FIG. 2 is a schematic view of the mating of the contact with the contact portion of the present utility model;
FIG. 3 is a schematic view of the memory element of the present utility model disposed at the front end of the bottom surface of the housing;
FIG. 4 is a schematic view of the memory element of the present utility model disposed on the rear face of the housing;
FIG. 5 is a schematic illustration of a memory element of the present utility model disposed on an upper surface of a housing;
FIG. 6 is another angular schematic view of the developing cartridge of the present utility model;
fig. 7 is a schematic view of the developing cartridge in which the contact portion of the present utility model is disposed obliquely with respect to the front-rear direction;
FIG. 8 is a schematic side view of a developing cartridge in which the contact portion of the present utility model is disposed obliquely with respect to the front-rear direction;
fig. 9 is an enlarged schematic view of a portion of the developing cartridge in which the contact portion of the present utility model is disposed obliquely with respect to the front-rear direction;
FIG. 10 is a schematic view of an embodiment of a contact portion of the present utility model;
FIG. 11 is a schematic view of another embodiment of a contact of the present utility model;
FIG. 12 is a schematic view of yet another embodiment of a contact portion of the present utility model;
FIG. 13 is a schematic side view of yet another embodiment of a contact of the present utility model;
fig. 14 is a schematic view of a contact according to still another embodiment of the contact of the present utility model.
The specific embodiment is as follows:
in order to make the technical solution and the technical effects of the embodiments of the present utility model more clear, the technical solution of the developing cartridge of the present utility model will be clearly and completely described with reference to the accompanying drawings. It is apparent that the described embodiment is only one preferred embodiment of the present utility model, but not all embodiments, and that other embodiments, which are obtained by those skilled in the art without inventive effort, are within the scope of the present utility model based on the embodiments of the present utility model.
In the following description, a direction in which the rotation axis of the developing roller 2 extends is referred to as a left-right direction (may also be referred to as an axial direction), a front-rear direction is a mounting direction of the developing cartridge 100 to the image forming apparatus, the developing roller 2 is disposed on a front side of the developing cartridge 100 in the front-rear direction, and a direction perpendicular to the left-right direction and the front-rear direction is an up-down direction.
As shown in fig. 1. The developing cartridge 100 in the present embodiment includes a casing 1, the casing 1 being configured to contain developer therein, a developer-containing chamber being formed by welding an upper casing and a lower casing, the casing 1 extending in a left-right direction and including a first side wall 11 and a second side wall 12 separated from each other in the left-right direction; the developing cartridge 100 further includes a developing roller 2 supported on the casing 1, the developing roller 2 being rotatable about a developing roller axis extending in a left-right direction, both left and right ends of the developing roller 2 being rotatably supported by a first side wall 11 and a second side wall 12 of the casing 1, the developing roller 2 being disposed on a front side of the casing 1 in a front-rear direction, in this embodiment, a part of the developing roller 2 being located inside the casing 1 and another part being exposed outside the casing 1.
As shown in fig. 3, the developing cartridge 100 further includes chip assemblies 3 provided on the casing 1, respectively, the chip assemblies 3 including a memory element 31, a contact portion 32, and an electrical connection portion 33. The storage element 31 is for storing information about the developing cartridge 100, the contact portion 32 is provided on the lower surface 1b of the casing 1, one end of the electrical connection portion 33 is electrically connected to the storage element 31, and the other end of the electrical connection portion 33 is electrically connected to the contact portion 32, so that the contact portion 32 is electrically connected to the storage element 31. The contact portion 32 and the memory element 31 are disposed at different positions, specifically, the contact portion 32 is disposed at a position closer to the rear side with respect to the front side of the housing 1, and the contact portion 32 is disposed at a side closer to the right end of the housing 1 in the left-right direction. The electrical connection portion 33 may be a circuit board, a wire, or a conductive element such as a conductive sheet, and the connectors on the electrical connection portion 33 may be arranged in one, two, or more rows. The contact portion 32 may contact and make electrical connection with a contact of the image forming apparatus. In addition, in some embodiments, the electrical connection portion 33 and the contact portion 32 may be integrally provided, and the contact portion 32 is formed to extend from one end of the electrical connection portion 33.
In order to prevent the memory element 31 from interfering with the side surface of the image forming apparatus, so that the memory element 31 is damaged, the position of the memory element 31 may be variously selected, and as shown in fig. 3, the front end portion of the housing 1 in the front-rear direction has a front end surface 1c, the memory element 31 may be disposed further toward the front end surface 1c of the housing 1 in the front-rear direction, and the memory element 31 located at the front end surface 1c is electrically connected to the contact portion 32 located at the rear end through the electrical connection portion 33; as shown in fig. 4, the front-rear direction end of the housing 1 also has a rear end face 1d, and the memory element 31 may also be provided on the rear end face 1 d; as shown in fig. 5 and 6, the storage element 31 may also be provided on the upper surface 1a of the casing 1, thereby achieving positional clearance between the storage element 31 and the drum assembly and the image forming apparatus, preventing the storage element 31 from being damaged due to positional pressing or collision, resulting in printing failure. The location where the memory element 31 is provided is not limited, and may be the above-described location or may be another location.
As shown in fig. 2 and 10, the contact portion 32 includes a plurality of conductive contacts arranged in two rows including a ground contact 32a and a power contact 32b arranged in a front row, and a first signal contact 32c and a second signal contact 32d arranged in a rear row, and specifically, the ground contact 32a, the power contact 32b, the first signal contact 32c, and the second signal contact 32d are electrically connected to the memory element 31 through different connection pieces of the electrical connection portion 33, respectively. The contact members of the image forming apparatus 200 are disposed at the bottom of the inner surface of the image forming apparatus 200, and are correspondingly disposed with the ground member 132a and the power source member 132b disposed in the front row, and the first signal member 132c and the second signal member 132d disposed in the rear row, the ground member 132a being in contact with and electrically connected to the ground contact 32a, the power source member 132b being in contact with and electrically connected to the power source contact 32b, the first signal member 132c being in contact with and electrically connected to the first signal contact 32c, and the second signal member 132d being in contact with and electrically connected to the second signal contact 32d when the developing cartridge 100 is mounted in the image forming apparatus 200.
As shown in fig. 7 to 9, the contact portion 32 has an electrical contact surface formed of a ground contact 32a, a power supply contact 32b, a first signal contact 32c, and a second signal contact 32d, and in some embodiments, the electrical contact surface is disposed obliquely upward with respect to the up-down direction, specifically, as shown in fig. 6 and 8, the electrical contact surface forms an angle α with the front-rear direction, the angle α being an acute angle, and the electrical contact surface forms an angle with an electrical connection surface of a contact of the image forming apparatus 200 when the developing cartridge 100 is mounted in the image forming apparatus, whereby the first signal contact 32c and the second signal contact 32d located in the rear row contact the corresponding contacts on the contact earlier than the ground contact 32a located in the front row, or the first signal contact 32c, the second signal contact 32d, and the ground contact 32a contact the contacts simultaneously with the contacts of the image forming apparatus.
In one embodiment, as shown in fig. 10, the contact portion height of the first signal contact 32c is set to be higher than the contact portion height of the ground contact 32a, so that the first signal contact 32c having a higher contact portion height contacts the contact member in the image forming apparatus earlier than the ground contact 32a of the front row or contacts the contact member in the image forming apparatus at the same time when the developing cartridge 100 is mounted in the image forming apparatus; alternatively, the contact portion height of the second signal contact 32d is set higher than the contact portion height of the ground contact 32a, so that the second signal contact 32d having a higher contact portion height contacts the contact member in the image forming apparatus earlier or simultaneously with the contact member in the image forming apparatus than the ground contact 32a of the front row when the developing cartridge 100 is mounted in the image forming apparatus. Specifically, the contact portions 32 are arranged as conductive plates, and the height of the first signal contact 32c or the height of the second signal contact 32d is higher than the height of the ground contact 32 a.
In another embodiment, as shown in fig. 11, the contact portions of the first signal contacts 32c and the contact portions of the second signal contacts 32d are different in height, i.e., the contact portions of the first signal contacts 32c are higher in height than the contact portions of the second signal contacts 32d, or the contact portions of the second signal contacts 32d are higher in height than the contact portions of the first signal contacts 32c, so that the first signal contacts 32c having a higher contact portion height are brought into contact with contacts in the image forming apparatus earlier than the second signal contacts 32d of the same row when the developing cartridge 100 is mounted in the image forming apparatus; alternatively, the second signal contacts 32d having the higher contact portion height contact the contacts in the image forming apparatus earlier than the first signal contacts 32c of the same row.
As shown in fig. 12 to 14, the contact points of the contact portions 32 may also be provided as conductive elastic pieces, whereby the contact points can make contact with the contact members in the front-rear direction when the developing cartridge 100 is mounted in the image forming apparatus. Specifically, the contact portion of the ground contact 32a at the front row and the contact portion of the first signal contact 32c at the rear row have a first distance D1 in the front-rear direction, and when the developing cartridge 100 is not loaded into the image forming apparatus, the contact portion of the ground contact 132a at the front row and the contact portion of the first signal contact 132c at the rear row have a second distance D2 in the front-rear direction, wherein the first distance D1 is less than or equal to the second distance D2, preferably, the first distance D1 is less than the second distance D2, so that the first signal contact 32c is brought into contact with the first signal contact 132c first during the mounting of the developing cartridge 100 to the image forming apparatus in the front-rear direction, at which time the ground contact 32a is not yet brought into contact with the ground contact 132a due to the difference in distance between the first distance D1 and the second distance D2, the developing cartridge 100 continues to be mounted to the image forming apparatus in the front-rear direction, at which time the developing cartridge 100 is moved by a distance D2-D1 in the front-rear direction, and the ground contact 32a is finally brought into contact with the ground contact 132 a. Similarly, in other embodiments, the positional relationship between the contact portion of the second signal contact 32d and the contact portion of the power contact 32b may be similar to that described above, and will not be repeated here.
The developing cartridge of the utility model realizes the position clearance between the storage element and the drum assembly and the image forming device by changing the mounting position or the mounting angle of the storage element, and prevents the storage element from being damaged due to position extrusion or collision, thereby preventing the problem that printing cannot be performed.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (9)
1. A developing cartridge detachably mountable to an image forming apparatus having a contact, the developing cartridge comprising:
a casing in which developer is stored, the casing being provided with a developing roller on a front side in a front-rear direction;
a memory unit, the memory unit comprising: a memory element, an electrical connection portion, and a contact portion;
the memory element is characterized in that the contact part is used for being electrically connected with the contact piece, and the memory element is electrically connected with the contact part through the electric connection part; in the front-rear direction, the memory element is disposed near the front side, and the contact portion is disposed near a rear side opposite to the front side;
the contact portion includes a signal contact and a ground contact, which are disposed on two different rows, respectively, in a mounting direction of the developing cartridge, such that the signal contact is in contact with a signal piece of the contact member and is not later than the ground contact is in contact with a ground piece of the contact member in a process of mounting the developing cartridge to the image forming apparatus.
2. The developer cartridge according to claim 1, wherein said signal contacts include a first signal contact and a second signal contact, said first signal contact being in contact with a first signal member of said contact member no later than said ground contact is in contact with a ground member of said contact member.
3. A developing cartridge according to claim 1, wherein said contact portion has an electrical contact surface formed by said ground contact and said signal contact, said electrical contact surface being disposed obliquely with respect to a mounting direction of said developing cartridge.
4. A developing cartridge according to claim 3, wherein the electrical contact surface forms an angle with a mounting direction of the developing cartridge, the angle being an acute angle.
5. A developing cartridge according to claim 1, wherein said housing has a front face and a rear face oppositely disposed in a mounting direction of said developing cartridge, an upper face and a lower face oppositely disposed in an up-down direction, said contact portion is provided on said lower face, and said storage member is provided on one of said lower face, said rear face or said upper face.
6. A developing cartridge according to claim 1, wherein said contact portion and said storage member are provided separately in a mounting direction of said developing cartridge.
7. The developer cartridge according to claim 1, further comprising a power contact disposed in-line with said ground contact, said signal contact being in contact with a signal member of said contact member earlier than said power contact is in contact with a power member of said contact member.
8. A developing cartridge according to claim 1, wherein said ground contact and said signal contact have a first distance in a mounting direction of said developing cartridge, and wherein said ground member of said contact and said signal member of said contact have a second distance in a mounting direction of said developing cartridge when said developing cartridge is not mounted in said image forming apparatus, wherein said first distance is smaller than said second distance.
9. The developing cartridge according to claim 1, wherein the signal contacts include a first signal contact and a second signal contact, the first signal contact and the second signal contact being arranged in a row, the first signal contact being higher than the second signal contact in an up-down direction.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2022212441838 | 2022-05-23 | ||
| CN202221244183 | 2022-05-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219872132U true CN219872132U (en) | 2023-10-20 |
Family
ID=88336824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321255228.6U Active CN219872132U (en) | 2022-05-23 | 2023-05-23 | Developing box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219872132U (en) |
-
2023
- 2023-05-23 CN CN202321255228.6U patent/CN219872132U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8428486B2 (en) | Process unit for connecting a photosensitive unit with an image forming apparatus | |
| CN104428721B (en) | Delevoping cartridge | |
| KR101590336B1 (en) | Image forming apparatus and control method thereof | |
| CN110297413B (en) | Image forming apparatus, developing cartridge for image forming apparatus | |
| CN104428720A (en) | Developing cartridge | |
| CN217425935U (en) | Processing box and chip bracket installed on same | |
| CN219872132U (en) | Developing box | |
| CN214151391U (en) | Developing box | |
| CN108146078B (en) | Ink cartridge and method of mounting the same | |
| CN215932368U (en) | Chip and developing box | |
| US8768201B2 (en) | Image forming apparatus | |
| CN106527081B (en) | Developing box | |
| CN219475994U (en) | Developing box | |
| KR20070001635A (en) | A developer cartridge and image forming apparatus having the same | |
| US10852685B2 (en) | Drum cartridge and image forming apparatus | |
| CN220232241U (en) | Developing box | |
| CN219872125U (en) | Developing box | |
| CN216956683U (en) | Developing box | |
| CN216696987U (en) | Chip assembly, developing box and processing box | |
| CN220232252U (en) | Processing box | |
| CN219658008U (en) | Developing box | |
| CN221573015U (en) | Process cartridge | |
| CN221022904U (en) | Consumable box | |
| CN217787607U (en) | Developing box | |
| CN220020108U (en) | Processing box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |