CN219642090U - Adjustable knob device and selenium drum - Google Patents
Adjustable knob device and selenium drum Download PDFInfo
- Publication number
- CN219642090U CN219642090U CN202320130089.8U CN202320130089U CN219642090U CN 219642090 U CN219642090 U CN 219642090U CN 202320130089 U CN202320130089 U CN 202320130089U CN 219642090 U CN219642090 U CN 219642090U
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- positioning
- knob
- rotating body
- adjustable
- arc
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Links
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 title abstract description 13
- 229910052711 selenium Inorganic materials 0.000 title abstract description 13
- 239000011669 selenium Substances 0.000 title abstract description 13
- 239000011324 bead Substances 0.000 claims description 2
- 206010070834 Sensitisation Diseases 0.000 claims 2
- 230000008313 sensitization Effects 0.000 claims 2
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000013459 approach Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Dry Development In Electrophotography (AREA)
Abstract
The utility model discloses an adjustable knob device and a selenium drum, wherein the adjustable knob device comprises a positioning side cover body, a knob assembly, a first positioning column and a second positioning column, wherein the positioning side cover is provided with a first positioning area and a second positioning area, the first positioning column is arranged in the first positioning area and used for installing and positioning a photosensitive drum, the knob assembly is arranged in the second positioning area and can rotate relative to the positioning side cover body, the second positioning column is positioned in the second positioning area and used for installing and positioning a developing roller, and the second positioning column is fixedly connected with the knob assembly and used for adjusting the distance between the developing roller and the photosensitive drum along with the rotation of the knob assembly; therefore, the adjustable knob device can enable the distance between the photosensitive drum and the developing roller to be adjustable, and is convenient to use; the selenium drum has the adjustable knob device with the structure, the distance between the photosensitive drum and the developing roller can be adjusted, and the selenium drum is convenient to use.
Description
Technical Field
The utility model relates to the technical field of printing equipment, in particular to an adjustable knob device and a selenium drum.
Background
Selenium drum is a common consumable material of laser printers; the excellent printing effect provides great convenience for modern office work; the selenium drum component comprises a photosensitive drum, a developing roller, a carbon box, a powder scraping knife, a waste powder collecting sheet, a positioning side cover and other main components, and the positioning side cover plays a role in installing and fixing the photosensitive drum and the developing roller. However, the distance between the photosensitive drum and the developing roller in the existing selenium drum cannot be adjusted, so that the use is affected.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides an adjustable knob device and a selenium drum, which can enable the distance between the photosensitive drum and the developing roller to be adjustable, and are convenient to use.
In a first aspect, the present utility model provides an adjustable knob device, including a positioning edge cover, a knob assembly, a first positioning column and a second positioning column, where the positioning edge cover is provided with a first positioning area and a second positioning area, the first positioning column is mounted on the first positioning area and is used for mounting and positioning a photosensitive drum, the knob assembly is mounted on the second positioning area and can rotate relative to the positioning edge cover, the second positioning column is located in the second positioning area and is used for mounting and positioning a developing roller, and the second positioning column is fixedly connected with the knob assembly and is used for adjusting the distance between the developing roller and the photosensitive drum along with the rotation and rotation of the knob assembly.
Further, the knob assembly is provided with a first rotating body and a second rotating body, the positioning side cover body is provided with a slot hole in the second positioning area, the first rotating body and the second rotating body are respectively located at two sides of the slot hole of the positioning side cover body, and the first rotating body and the second rotating body are connected through the slot hole and rotate relative to the positioning side cover body.
Further, the second positioning column is eccentrically connected with the second rotating body.
Further, the first rotating body is provided with an adjusting hole for clamping an external tool, and when the first rotating body is rotated, the external tool is clamped into the adjusting hole and drives the first rotating body to rotate so as to adjust the distance between the developing roller and the photosensitive drum.
Further, the adjustable knob device is also provided with a mounting sheet, and the mounting sheet is arranged in the second positioning area and is provided with a positioning convex ring matched with the second rotating body.
Further, the positioning side cover body is provided with a limiting structure for positioning the rotation of the knob assembly in the second positioning area, and the knob assembly is clamped into the limiting structure to limit the rotation of the knob assembly.
Further, the knob assembly is provided with a knob body, the positioning side cover body is provided with a plurality of arc-shaped notches around the knob body, the knob body is convexly provided with arc-shaped protruding points matched with the arc-shaped notches, the arc-shaped protruding points and the arc-shaped notches are matched to form the limiting structure, and when the knob body rotates, the arc-shaped protruding points are clamped into the corresponding arc-shaped notches to be positioned.
Further, a plurality of the arc-shaped notches are connected end to form a regular annular structure.
Further, the positioning edge cover body is further provided with a third positioning area, and the third positioning area is used for installing developing rollers with different specifications from the second positioning area.
In a second aspect, the present utility model further provides a selenium drum, comprising a developing roller and a photosensitive drum, and further comprising an adjustable knob device as described in any one of the above, wherein the developing roller and the photosensitive drum are positioned and mounted on the adjustable knob device.
The utility model has at least the following beneficial effects:
compared with the prior art, the adjustable knob device is utilized to adjust the position of the developing roller, so that the distance between the photosensitive drum and the developing roller is adjustable, the pressure of the contact surface between the developing roller and the photosensitive drum is controlled, a good developing effect is achieved, and the use is convenient; in the specific implementation process, the adjustable knob device of the embodiment locates and installs the photosensitive drum and the developing roller in the first locating area and the second locating area set up by the locating side cover body respectively through the first locating column and the second locating column, so that the second locating column is arranged on the knob assembly, and the second locating column and the developing roller can rotate along with the knob assembly through rotating the knob assembly, and the developing roller approaches or moves away from the photosensitive drum in the process of rotating along with the knob assembly, namely, the distance between the developing roller and the photosensitive drum can be increased or reduced along with clockwise or anticlockwise rotation of the knob assembly, so that the operation is simple and the use is convenient; the selenium drum provided by the utility model has the adjustable knob device with the structure, can also enable the distance between the photosensitive drum and the developing roller to be adjustable, and is convenient to use.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic perspective view of an adjustable knob device according to an embodiment of the present utility model;
fig. 2 is a schematic perspective view of another view of the adjustable knob device according to the embodiment of the utility model.
Reference numerals illustrate:
the positioning edge cover 100, the first positioning area 110, the second positioning area 120, the arc recess 130, the third positioning area 140, the knob assembly 200, the knob body 210, the first rotating body 220, the second rotating body 230, the adjusting hole 240, the arc protrusion 250, the first positioning column 300, the second positioning column 400, the mounting plate 500, the positioning bead 510, and the developing roller 600.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1-2, there is shown the construction of a knob assembly according to a preferred embodiment of the present utility model. Specifically, in a first aspect, the present embodiment provides an adjustable knob device, including a positioning edge cover 100, a knob assembly 200, a first positioning column 300 and a second positioning column 400, the positioning edge cover is provided with a first positioning area 110 and a second positioning area 120, the first positioning column 300 is mounted on the first positioning area 110 for mounting and positioning a photosensitive drum, the knob assembly 200 is mounted on the second positioning area 120 and can rotate relative to the positioning edge cover 100, the second positioning column 400 is located on the second positioning area 120 for mounting and positioning a developing roller 600, and the second positioning column 400 is fixedly connected with the knob assembly 200 to adjust the distance between the developing roller 600 and the photosensitive drum along with the rotation of the knob assembly 200.
Compared with the prior art, the position of the developing roller 600 is adjusted by utilizing the adjustable knob device of the embodiment, so that the distance between the photosensitive drum and the developing roller 600 is adjustable, the pressure of the contact surface between the developing roller 600 and the photosensitive drum is controlled, a good developing effect is achieved, and the use is convenient; in a specific implementation process, the adjustable knob device of the present embodiment locates the first positioning area 110 and the second positioning area 120 set by the side cover 100, and locates and installs the photosensitive drum and the developing roller 600 through the first positioning column 300 and the second positioning column 400, so that the second positioning column 400 is disposed on the knob assembly 200, and the second positioning column 400 and the developing roller 600 can rotate along with the knob assembly 200 through rotating the knob assembly 200, and the developing roller 600 approaches or departs from the photosensitive drum in the process of rotating along with the knob assembly 200, that is, the space between the developing roller 600 and the photosensitive drum can be increased or reduced along with clockwise or anticlockwise rotation of the knob assembly 200, so that the operation is simple and the use is convenient.
In an alternative embodiment, as shown in fig. 1 and 2, the knob assembly 200 is provided with a first rotating body 220 and a second rotating body 230, the positioning side cover 100 is provided with a slot in the second positioning area 120, the first rotating body 220 and the second rotating body 230 are respectively located at two sides of the slot of the positioning side cover 100, and the first rotating body 220 and the second rotating body 230 are connected through the slot and rotate relative to the positioning side cover 100; in the assembly process, the first rotating body 220 is disposed on one side of the positioning side cover 100, the second rotating body 230 is disposed on the other side of the positioning side cover 100, the second rotating body 230 can pass through the slot hole to be connected with the first rotating body 220, and the first rotating body 220 and the second rotating body 230 can be fixed by arranging a fastening structure and the like, so that the fixed first rotating body 220 and the second rotating body 230 can form a whole and can move in the slot hole.
In an alternative embodiment, as shown in fig. 1, the second positioning post 400 is eccentrically connected to the second rotating body 230; that is, the second rotating body 230 may be configured in a circular structure, the axis of the second positioning post 400 is not aligned with the axis of the second rotating body 230, and when the second rotating body 230 rotates, the second positioning post 400 rotates around the axis of the second rotating body 230, that is, the developing roller 600 rotates around the axis of the second rotating body 230, so as to achieve the adjustment of the distance between the developing roller and the photosensitive drum.
In an alternative embodiment, as shown in fig. 1, the first rotating body 220 is provided with an adjusting hole 240 for an external tool to be locked in, and when the first rotating body 220 is rotated, the external tool is locked in and drives the first rotating body 220 to rotate so as to adjust the distance between the developing roller 600 and the photosensitive drum; an external tool, such as tweezers, is inserted into the adjustment hole 240, and the first rotating body 220 is rotated to rotate the second rotating body 230 and the developing roller 600, thereby adjusting the distance between the developing roller 600 and the photosensitive drum.
In an alternative embodiment, as shown in fig. 1, the adjustable knob device is further provided with a mounting plate 500, wherein the mounting plate 500 is provided in the second positioning area 120 and is provided with a positioning protruding ring 510 cooperating with the second rotating body 230; realize quick location installation, convenient operation.
In an alternative embodiment, as shown in fig. 2, the positioning edge cover 100 is provided with a limiting structure for positioning the rotation of the knob assembly 200 in the second positioning area 120, and the knob assembly 200 is snapped into the limiting structure to limit the rotation of the knob assembly 200; specifically, the limiting structure may be a bump and notch limiting structure, as shown in fig. 2, the knob assembly 200 is provided with a knob body 210, the knob body 210 may be an integral structure formed by combining a first rotating body 220 and a second rotating body 230, the positioning edge cover body 100 is provided with a plurality of arc notches 130 around the knob body 210, the knob body 210 is convexly provided with arc bumps 250 which are matched with the arc notches 130, the arc bumps 250 and the arc notches 130 are matched to form a limiting structure, and when the knob body 210 rotates, the arc bumps 250 are clamped into the corresponding arc notches 130 to be positioned, and the arc notches 130 are connected end to form a regular ring structure; the spacing between the inner wall of the regular ring-shaped structure and the arc-shaped protruding points 250 is small or large, for example, when the knob body 210 is turned, the knob body 210 abuts against the inner wall of the regular ring-shaped structure, so that the inner wall of the regular ring-shaped structure plays a limiting role, and the arc-shaped protruding points 250 are positioned in the arc-shaped concave openings 130 under the action of no forcing force.
In an alternative embodiment, as shown in fig. 2, the positioning edge cover 100 is further provided with a third positioning area 140, and the third positioning area 140 is used for installing the developing roller 600 with a different specification from that of the second positioning area 120, so as to meet different use requirements.
In a second aspect, the present embodiment further provides a selenium drum, including a developing roller 600 and a photosensitive drum, and further includes any one of the above adjustable knob devices, where the developing roller 600 and the photosensitive drum are positioned and mounted on the adjustable knob device, so that the distance between the photosensitive drum and the developing roller 600 can be adjusted, which is convenient for use, and detailed implementation and effects of the adjustable knob device in the above embodiment are omitted herein.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (10)
1. The utility model provides an adjustable knob device, its characterized in that, including location limit lid, knob subassembly, first reference column and second reference column, the location limit lid is equipped with first location region and second location region, first reference column install in first location region is in order to be used for installing the location sensitization drum, the knob subassembly install in second location region, and can be relative the rotatory rotation of location limit lid, the second reference column is located second location region is in order to be used for installing the location development roller, just second reference column with knob subassembly fixed connection is in order to follow the rotatory rotation adjustment of knob subassembly the development roller with the interval of sensitization drum.
2. The adjustable knob device according to claim 1, wherein the knob assembly is provided with a first rotating body and a second rotating body, the positioning side cover body is provided with a slot hole in the second positioning area, the first rotating body and the second rotating body are respectively located at two sides of the slot hole of the positioning side cover body, and the first rotating body and the second rotating body are connected through the slot hole and rotate relative to the positioning side cover body.
3. The adjustable knob assembly of claim 2 wherein said second positioning post is eccentrically coupled to said second rotator.
4. The adjustable knob device according to claim 2, wherein the first rotating body is provided with an adjusting hole for an external tool to be engaged, and when the first rotating body is rotated, the external tool is engaged and drives the first rotating body to rotate so as to adjust the distance between the developing roller and the photosensitive drum.
5. The adjustable knob assembly of claim 2 further comprising a mounting tab disposed in said second positioning area and having a positioning bead engaged with said second rotator.
6. The adjustable knob assembly according to claim 1, wherein the positioning edge cover is provided with a limiting structure in the second positioning area for positioning the knob assembly for rotation, and the knob assembly is locked into the limiting structure to limit the knob assembly for rotation.
7. The adjustable knob device according to claim 6, wherein the knob assembly is provided with a knob body, the positioning edge cover is provided with a plurality of arc-shaped notches around the knob body, the knob body is convexly provided with arc-shaped protruding points matched with the arc-shaped notches, the arc-shaped protruding points and the arc-shaped notches are matched to form the limiting structure, and when the knob body rotates, the arc-shaped protruding points are clamped into the corresponding arc-shaped notches to be positioned.
8. The adjustable knob assembly of claim 7 wherein a plurality of said arcuate notches are joined end-to-end to form a regular annular configuration.
9. The adjustable knob device according to claim 1, wherein the positioning edge cover is further provided with a third positioning area for mounting a developing roller of a different specification from the second positioning area.
10. A cartridge comprising a developer roller and a photosensitive drum, further comprising an adjustable knob device according to any one of claims 1-9, said developer roller and said photosensitive drum being positionally mounted to said adjustable knob device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320130089.8U CN219642090U (en) | 2023-01-13 | 2023-01-13 | Adjustable knob device and selenium drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320130089.8U CN219642090U (en) | 2023-01-13 | 2023-01-13 | Adjustable knob device and selenium drum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219642090U true CN219642090U (en) | 2023-09-05 |
Family
ID=87812198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320130089.8U Active CN219642090U (en) | 2023-01-13 | 2023-01-13 | Adjustable knob device and selenium drum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219642090U (en) |
-
2023
- 2023-01-13 CN CN202320130089.8U patent/CN219642090U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |