CN212873200U - Processing box - Google Patents
Processing box Download PDFInfo
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- CN212873200U CN212873200U CN202021977342.6U CN202021977342U CN212873200U CN 212873200 U CN212873200 U CN 212873200U CN 202021977342 U CN202021977342 U CN 202021977342U CN 212873200 U CN212873200 U CN 212873200U
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- positioning
- process cartridge
- driving side
- inclined surface
- image forming
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Abstract
The utility model discloses a processing box which can be detachably arranged in an imaging device, the imaging device comprises a first positioning part and a second positioning part, and the first positioning part and the second positioning part are both constructed to be provided with a pair of positioning inclined planes which are symmetrical about the gravity direction; the process cartridge includes: a photosensitive drum; a first casing having a driving side and a non-driving side on both sides in a longitudinal direction of the first casing, the photosensitive drum being supported by the first casing; the first positioned part and the second positioned part can respectively abut against the first positioning part and the second positioning part to position the processing box, and at least one of the first positioned part and the second positioned part is configured to at least have a pair of angled positioned inclined surfaces. The first positioned part and the second positioned part are designed into the inclined surface structure, so that the contact area between the first positioned part and the second positioned part is increased, and the positioning stability of the processing box is effectively improved.
Description
Technical Field
The utility model relates to a handle the box, especially relate to a location structure in handling the box.
Background
In the related art, a positioning structure of a process cartridge is disclosed, as shown in fig. 1 to 2, both sides in the longitudinal direction of a process cartridge 150 each include a positioned portion 280 configured as a circular arc, the center of curvature of the positioned portion 280 coincides with the rotational axis of a photosensitive drum 202 on the process cartridge 150, and the positioned portion 280 can be positioned in abutment with a positioning portion 300a configured as a slope in an image forming apparatus 400. Since the positioned portion 280 is configured as a circular arc and the positioning portion 300a is configured as a slope, when the process cartridge 150 is positioned into the image forming apparatus 400, the contact area of the positioned portion 280 and the positioning portion 300a is small, so during the image forming operation, the photosensitive drum 202 receives the rotational driving force from the image forming apparatus, by which a rotational moment tending to rotate the process cartridge 150 about the positioned portion 280 is generated, so that the stability of the positioning of the process cartridge 150 is lowered, resulting in a decrease in print quality.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a processing box which is realized by mainly depending on the following technical scheme:
a process cartridge detachably mountable to an image forming apparatus including a first positioning frame fixedly attached to a driving side of the image forming apparatus and a second positioning frame on a non-driving side, the first positioning frame and the second positioning frame including a first positioning portion and a second positioning portion formed thereon, respectively, each of the first positioning portion and the second positioning portion being configured to have a pair of positioning slopes symmetrical with respect to a direction of gravity;
the process cartridge includes:
a photosensitive drum configured to rotate about a first axis;
a first casing having a driving side and a non-driving side on both sides in a longitudinal direction of the first casing, the photosensitive drum being supported by the first casing;
the cartridge positioning device further includes a first positioned portion located on a driving side of the first casing and a second positioned portion located on a non-driving side of the first casing, the first positioned portion and the second positioned portion may abut the first positioning portion and the second positioning portion, respectively, to position the cartridge, and at least one of the first positioned portion and the second positioned portion is configured to have at least one pair of angled positioned slopes.
Further, a pair of the inclined surfaces to be positioned is located on both sides of the first axis, projected from a driving side to a non-driving side of the process cartridge.
Further, the first positioned portion and the second positioned portion are each configured to have a pair of the positioned inclined surfaces that are angled.
Furthermore, it is a pair of the inclined plane of being positioned includes first inclined plane and second inclined plane, for the installation direction of processing box, first inclined plane is located the upper reaches of second inclined plane, the contained angle of first inclined plane and gravity direction is alpha, the contained angle of second inclined plane and gravity direction is beta, and alpha is less than beta.
Furthermore, the included angle between the second inclined plane and the gravity direction is equal to the included angle between the positioning inclined plane and the gravity direction.
Further, the first casing includes a first abutting portion and a second abutting portion on the driving side and the non-driving side, respectively, and the first abutting portion and the second abutting portion are located downstream of the first positioned portion and the second positioned portion, respectively, with respect to the mounting direction of the process cartridge.
Through being fixed a position the portion and the second is fixed a position and is designed into the inclined plane structure with first location portion, the area of contact of second location portion has been increased, and after the location was accomplished, first butt portion and second butt portion can respectively with first locating rack and second locating rack butt, avoided the rotatory moment that the sensitization drum produced during the formation of image operation to make the processing box around first by the rotatory problem of portion and second location portion, after having adopted above-mentioned technical scheme, effectively improved the location stability of processing box.
Drawings
FIG. 1 is a schematic view of a prior art process cartridge drive side positioned in front of an imaging device;
FIG. 2 is a schematic view of a prior art process cartridge after the drive side is positioned in an imaging assembly;
fig. 3 is a schematic view of the overall structure of the image forming apparatus of the present invention;
FIG. 4 is a schematic perspective view of the process cartridge of the present invention before it is positioned in the image forming apparatus;
FIG. 5 is a schematic view of a positioning frame of an image forming apparatus according to the present invention;
FIG. 6 is a schematic view of the basic structure of the cartridge of the present invention;
FIG. 7 is a schematic view of the driving side positioning structure of the process cartridge of the present invention;
FIG. 8 is a schematic view of the positioning structure of the non-driving side of the process cartridge according to the present invention;
fig. 9 is a schematic view of the first positioned part and the first positioning part of the present invention;
FIG. 10 is a schematic view of the second located portion and the second locating portion of the present invention;
FIG. 11 is a front view of the cartridge drive side of the present invention positioned in front of an image forming device;
FIG. 12 is a rear view of the cartridge drive side positioned in the imaging assembly of the present invention;
FIG. 13 is a schematic view of the non-drive side of the cartridge positioned in front of the imaging assembly of the present invention;
FIG. 14 is a rear view of the cartridge of the present invention with the non-driving side positioned in the image forming apparatus.
Detailed Description
In order to make the object, technical solution and technical effect of the embodiment of the present invention clearer, the following will clearly and completely describe the technical solution of the process cartridge of the present invention with reference to the accompanying drawings. It should be apparent that the described embodiment is only one preferred embodiment of the present invention, not all embodiments, and other embodiments obtained by those skilled in the art without inventive efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
The utility model discloses in, the length direction of handling box 50 is left right direction, and the drive side of handling the box is located left right direction on the side of controlling, handles box 50 and installs back in box frame 140, and the direction of handling box 50 and installing in image device 200 or dismantling from image device 200 is the fore-and-aft direction, and the direction that handles box 50 and install in image device 200 is in the fore-and-aft direction on the fore-and-aft direction, and the up-and-down direction then is with left right direction and fore-and-aft direction looks vertically direction.
General structure of image forming apparatus
As shown in fig. 3 to 5 and fig. 9 to 10, an overall structure of an image forming apparatus 200, the image forming apparatus 200 includes a door cover 150, the door cover 150 having an open state and a closed state.
The image forming apparatus 200 further includes a first positioning frame 100 and a second positioning frame 101 fixedly connected in the image forming apparatus 200 and respectively located at a driving side and a non-driving side, the first positioning frame 100 includes a first upper surface 100c, a first positioning frame main body 100b and a first positioning portion 100a formed on the first positioning frame main body 100b, similarly, the second positioning frame 101 includes a second upper surface 101c, a second positioning frame main body 101b and a second positioning portion 101a formed on the second positioning frame main body 101b, the first positioning portion 100a and the second positioning portion 101a are each configured to have a pair of positioning slopes symmetrical with respect to a gravity direction, and an included angle β between the pair of positioning slopes and the gravity direction; the first positioning frame 100 on the driving side of the image forming apparatus 200 has 4 first positioning portions 100a arranged at intervals, and the second positioning frame 101 on the non-driving side of the image forming apparatus 200 has 4 second positioning portions 101a arranged at intervals, and when the process cartridge 50 is finally positioned in the image forming apparatus 200, the left and right sides of the process cartridge 50 can be positioned in abutment with the first positioning portions 100a and the second positioning portions 101a, respectively.
The image forming apparatus 200 further includes a cartridge frame 140, the cartridge frame 140 is located at the upper side of the first positioning frame 100 and the second positioning frame 101, the cartridge frame 140 has 4 accommodating portions arranged side by side for accommodating the process cartridges 50, the cartridge frame 140 can be pushed into the image forming apparatus 200 in the front direction or removed from the image forming apparatus 200 in the rear direction, that is, the cartridge frame 140 can be pushed into the inside from the outside of the image forming apparatus 200 or removed from the inside of the image forming apparatus 200 to the outside, the door 150 can control the cartridge frame 140 to reciprocate in the up and down direction through a link (not shown) during the movement of the open state and the closed state, when the door 150 moves from the closed state to the open state, the cartridge frame 140 moves up from the bottom by the link so that the process cartridges 50 mounted on the cartridge frame 140 are changed from the contact state with the first positioning portions 100a and the second positioning portions 101a to the separated state, on the contrary, when the door cover 150 is moved from the open state to the closed state, the cartridge frame 140 is moved from the top to the bottom by the link, so that the process cartridge 50 mounted on the cartridge frame 140 is changed from the separated state with the first and second positioning portions 100a and 101a to the contact state.
Processing box
The general structure of a process cartridge 50 of the present invention, a process cartridge 50 detachably mountable to an image forming apparatus 200, the process cartridge 50 including a drum unit 10 and a developing unit 20, will be described in detail below with reference to fig. 6 to 8.
The drum unit 10 includes:
a first housing 5, the first housing 5 including a driving-side protecting cover 40 located on the right side of the first housing 5, a non-driving-side protecting cover 30 located on the left side of the first housing 5, and a first housing main body 35 located between the driving-side protecting cover 40 and the non-driving-side protecting cover 30, further, the first housing 5 is integrally formed; first and second drive couplings 41 and 42, the first and second drive couplings 41 and 42 being provided on a drive-side protective cover 40 of the first casing 5 for cooperating with first and second drive members (not shown) in the image forming apparatus 200 to receive rotational drive forces from the first and second drive members in the image forming apparatus 200 when the process cartridge 50 is mounted in the image forming apparatus 200; a photosensitive drum 2 to which the first drive coupling 41 of the process cartridge 50 is operatively connected to transfer a rotational driving force to the photosensitive drum 2, the photosensitive drum 2 being configured to rotate about a first axis B; the charging roller 1 can be driven by the photosensitive drum 2 to rotate, the charging roller 1 uniformly charges the surface of the photosensitive drum 2, and the photosensitive drum 2 and the charging roller 1 are both supported by a first shell 5; a cleaning member 3, the cleaning member 3 being capable of removing the toner after the transfer residue from the surface of the photosensitive drum 2; and a waste toner hopper 4 into which the toner removed by the cleaning member 3 finally falls.
The developing unit 20 includes:
a developing roller 12 to which the second drive coupling 42 of the process cartridge 50 is operatively connected to transfer a rotational driving force to the developing roller 12, and which developing roller 12 is rotatable in contact with the photosensitive drum 2, the developing unit 20 being movable relative to the drum unit 10 between a contact position where the developing roller 12 is in contact with the photosensitive drum 2 and a separation position where the developing roller 12 is separated from the photosensitive drum 2; a second casing 16, the developing roller 12 being supported by the second casing 16, the second casing 16 being rotatable about the first casing 5; a powder feeding roller 11 that rotates while being in contact with the developing roller 12, and that transfers the toner to the developing roller 12; a toner discharging blade 13 for adjusting the thickness of the toner layer on the surface of the developing roller 12; the developing unit 20 further includes an agitating frame 14, the agitating frame 14 is located in the powder bin 15, and the agitating frame 14 is used for agitating the toner and conveying the toner stored in the powder bin 15 to the powder feeding roller 11.
Positioning structure in processing box
As shown in fig. 7 to 14, next, the positioning structure of the process cartridge 50 will be described, in which a first positioned portion 80 is provided on the driving side of the process cartridge 50, a second positioned portion 81 is provided on the non-driving side, and the process cartridge 50 can be correctly positioned in the image forming apparatus 200 by the first positioned portion 80 and the second positioned portion 81, at least one of the first positioned portion 80 and the second positioned portion 81 is configured to have at least a pair of angled positioned inclined surfaces, further, the first positioned portion 80 and the second positioned portion 81 are each configured to have at least a pair of angled positioned inclined surfaces, and preferably a pair of inclined surfaces, the first positioned portion 80 and the second positioned portion 81 are respectively located at the lower right end portion and the lower left end portion of the process cartridge 50 and both protrude from the lower edge, projected from the driving side to the non-driving side of the process cartridge 50, a pair of positioned inclined planes of the first positioned part 80 and the second positioned part 81 are positioned at the front side and the rear side of the first axis B of the photosensitive drum 2, so that the stress of the processing box 50 is relatively balanced, and the positioning is more stable; the pair of positioned inclined surfaces of the first positioned portion 80 includes a first inclined surface 80a and a second inclined surface 80b, the first inclined surface 80a is located upstream of the second inclined surface 80b with respect to the mounting direction of the process cartridge 50, that is, the first inclined surface 80a is located at the rear side of the second inclined surface 80b, an angle between the first inclined surface 80a and the gravity direction is α, and an angle between the second inclined surface 80b and the gravity direction is β, and similarly, the pair of positioned inclined surfaces of the second positioned portion 81 includes a third inclined surface 81a and a fourth inclined surface 81b, and with respect to the mounting direction of the process cartridge 50, the third inclined surface 81a is located upstream of the fourth inclined surface 81b, that is, the third inclined surface 81a is located at the rear side of the fourth inclined surface 81b, an angle between the third inclined surface 81a and the gravity direction is α, and an angle between the fourth inclined surface 81b and the gravity direction is β. Further, α is smaller than β, that is, when the process cartridge 50 is positioned in the image forming apparatus 200, the second inclined surface 80b of the first portion-to-be-positioned 80 and the fourth inclined surface 81b of the second portion-to-be-positioned 81 substantially coincide with the respective adjacent inclined surfaces of the first positioning portion 100a and the second positioning portion 101a, respectively, and the first inclined surface 80a of the first portion-to-be-positioned 80 and the third inclined surface 81a of the second portion-to-be-positioned 81 do not completely coincide with the respective adjacent inclined surfaces of the first positioning portion 100a and the second positioning portion 101a and have a certain gap, in other words, the second inclined surface 80b and the fourth inclined surface 81b have a positioning function, and the first inclined surface 80a and the third inclined surface 81a have a positioning and adjusting function, and have a certain adjustment margin during the process cartridge 50 is mounted in the image forming apparatus 200, reducing the mounting positioning requirements for the process cartridge 50, the problem that the process cartridge 50 is incorrectly positioned due to the first and second parts to be positioned 80 and 81 not being correctly abutted by the first and second positioning parts 100a and 101a due to manufacturing errors can be effectively avoided.
The process cartridge 50 further includes: the first and second abutting portions 82 and 83 located at the lower ends of the first casing 5 on the driving side and the non-driving side are located downstream of the first and second portions to be positioned 80 and 81, respectively, with respect to the mounting direction of the process cartridge. When the process cartridge 50 is positioned in the image forming apparatus 200, the first abutting portion 82 may abut against the first outer surface 100c of the first positioning frame 100, and the second abutting portion 83 may abut against the second outer surface 101c of the second positioning frame 101.
In the process of mounting the process cartridge 50 to the image forming apparatus 200, the first positioning portion 80 and the second positioning portion 81 are positioned in abutment with the first positioning portion 100a and the second positioning portion 101a substantially simultaneously.
The beneficial effects of the utility model
On the one hand, during the imaging operation, the sensitization drum receives the rotary driving force from image forming device, can produce like this and tend to make the processing box around the first by location portion, the rotatory moment of second location portion, so in the utility model discloses in, through will handling on the box first by location portion and second location portion design into the inclined plane structure to make first by location portion, second by location portion and first location portion, second location portion all have the inclined plane structure, through this kind of design, after first by location portion and second by location portion respectively with first location portion, second location portion adjoin, effectively increased the area of contact of the two, improved the positional stability of processing box.
On the other hand, the utility model discloses in, design respectively in the left and right sides of processing box has first butt portion and second butt portion, after the processing box is positioned imaging device and make first butt portion and second butt portion respectively with the first surface of first locating rack, the second surface butt of second locating rack, effectively avoided the produced rotation moment of sensitization drum to make the processing box around first by the rotatory problem of location portion, second location portion, further improved the positional stability of processing box.
On the other hand, after the processing box is positioned in the imaging device, one side of the first positioned part and one side of the second positioned part are respectively adjacent to one side of the first positioning part and one side of the second positioning part and approximately coincide with each other, and the other side of the first positioned part and the second positioned part has a certain adjustment allowance while positioning, so that the mounting and positioning requirements on the processing box are reduced, and the problem that the first positioned part and the second positioned part cannot be correctly positioned with the first positioning part and the second positioning part due to manufacturing errors can be effectively avoided.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention 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 solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. A process cartridge detachably mountable to an image forming apparatus including a first positioning frame fixedly attached to a driving side of the image forming apparatus and a second positioning frame on a non-driving side, the first positioning frame and the second positioning frame including a first positioning portion and a second positioning portion formed thereon, respectively, each of the first positioning portion and the second positioning portion being configured to have a pair of positioning slopes symmetrical with respect to a direction of gravity;
the process cartridge includes:
a photosensitive drum configured to rotate about a first axis;
a first casing having a driving side and a non-driving side on both sides in a longitudinal direction of the first casing, the photosensitive drum being supported by the first casing;
the positioning device is characterized by further comprising a first positioned part positioned on the driving side of the first shell and a second positioned part positioned on the non-driving side of the first shell, wherein the first positioned part and the second positioned part can respectively abut against the first positioning part and the second positioning part to position the processing box, and at least one of the first positioned part and the second positioned part is configured to at least have a pair of angled positioned inclined surfaces.
2. A process cartridge according to claim 1, wherein a pair of said positioned inclined surfaces are located on both sides of said first axis, as projected from a driving side to a non-driving side of said process cartridge.
3. A process cartridge according to claim 1, wherein said first positioned portion and said second positioned portion are each configured to have a pair of said positioned inclined surfaces which are angled.
4. A cartridge according to claim 1, wherein the pair of positioned inclined surfaces includes a first inclined surface and a second inclined surface, the first inclined surface being located upstream of the second inclined surface with respect to a mounting direction of the cartridge, an angle between the first inclined surface and a direction of gravity being α, an angle between the second inclined surface and the direction of gravity being β, and α being smaller than β.
5. A process cartridge according to claim 4, wherein an angle of said second inclined surface with respect to a direction of gravity is equal to an angle of said positioning inclined surface with respect to the direction of gravity.
6. A process cartridge according to claim 1, wherein a first abutting portion and a second abutting portion are respectively included on a driving side and a non-driving side of said first casing, said first abutting portion and said second abutting portion are respectively located downstream of said first positioned portion and said second positioned portion with respect to an attaching direction of said process cartridge, and said first abutting portion and said second abutting portion abut with said first positioning frame and said second positioning frame, respectively, after said process cartridge is positioned in said image forming apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021977342.6U CN212873200U (en) | 2020-09-11 | 2020-09-11 | Processing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021977342.6U CN212873200U (en) | 2020-09-11 | 2020-09-11 | Processing box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212873200U true CN212873200U (en) | 2021-04-02 |
Family
ID=75197365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021977342.6U Active CN212873200U (en) | 2020-09-11 | 2020-09-11 | Processing box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212873200U (en) |
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2020
- 2020-09-11 CN CN202021977342.6U patent/CN212873200U/en active Active
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