CN213814307U - Image forming apparatus and processing box - Google Patents
Image forming apparatus and processing box Download PDFInfo
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- CN213814307U CN213814307U CN202022659425.7U CN202022659425U CN213814307U CN 213814307 U CN213814307 U CN 213814307U CN 202022659425 U CN202022659425 U CN 202022659425U CN 213814307 U CN213814307 U CN 213814307U
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Abstract
The utility model provides an image forming device and processing box, which comprises a body, the protecgulum, and supply the processing box to install this internal installation cavity, be equipped with on the lateral wall of installation cavity and compel to push away the mechanism, compel to push away the link assembly of mechanism and be connected with the protecgulum linkage, the one end that the protecgulum was kept away from to link assembly is connected to the step setting element, the spacing unit on step setting element and the processing box end wall cooperatees, the elasticity auxiliary member is installed on the lateral wall of body, and the second butt section butt of elasticity auxiliary member is on the step setting element, first butt section is supported and connect on the processing box end wall, when the protecgulum is opened or is closed, link assembly drives the step setting element and swings to keeping away from or being close to processing box end wall direction, the second butt section of elasticity auxiliary member moves along the step setting element, support the elastic force of connection on the processing box end wall with adjusting. The application provides an image forming device and processing box can reduce the compelling power of the torsional spring of image forming device body, makes things convenient for the customer to dismantle, install and handles the box, improves customer's experience.
Description
Technical Field
The present invention relates to the field of image forming apparatuses, and particularly to a process cartridge and an image forming apparatus.
Background
In general, in order to ensure the printing quality of an image, a force pushing mechanism is required to be arranged on a printer body, as shown in fig. 1, the force pushing mechanism includes a torsion spring 10 'and a processing box positioning column 20' to effectively fix a processing box, so as to avoid the problems of shaking or abnormal positioning of the processing box when the printer works, and in order to avoid the problems, the printer body is required to be provided with a force pushing force of the processing box with a certain size.
As shown in fig. 2, the printer body 1 'is provided with a torsion spring 10', the torsion spring 10 'is installed on a torsion spring fulcrum center 11 in a shaft hole matching manner, when the processing box is not installed in the printer, the torsion spring fulcrum 12' and the torsion spring fulcrum 13 'are opened by a certain angle around the torsion spring fulcrum center 11, and two ends of the torsion spring 10 are respectively crimped at two end portions of the printer body by virtue of tension generated by the torsion spring 10', as shown in fig. 1, in order to ensure stability of the processing box installed behind the printer body, the torsion spring fulcrum 13 'needs to be crimped at the rear side of a positioning column 20' of the processing box.
When the processing box is installed into the printer body, the processing box needs to jack up the torsion spring pivot 13' first, and large torsion spring resistance needs to be overcome, so that the processing box is inconvenient to detach or install relative to the printer body, and the experience of a customer is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides an image forming device and processing box to reduce the compelling thrust of the torsional spring of image forming device body, make things convenient for customer's operation to dismantle, install processing box, improve customer's experience.
In a first aspect, an embodiment of the present application provides an image forming apparatus, including: the utility model provides an image forming device, including body and the protecgulum of setting on the body, set up on the body and supply the processing box to install this internal installation cavity, be equipped with on the lateral wall of the installation cavity of image forming device body and compel to push away the mechanism, compel to push away the mechanism and include:
a link assembly that is linked with a front cover of the image forming apparatus body;
the step positioning piece is connected with one end, far away from the front cover, of the connecting rod assembly; the step positioning piece is matched with the limiting unit on the end wall of the processing box so as to fix the processing box; and
the elastic auxiliary piece is arranged on the side wall of the image forming device body and comprises a first abutting section and a second abutting section which are connected, the first abutting section abuts against and is connected to the processing box, and the second abutting section abuts against the step positioning piece;
when the front cover is opened or closed, the connecting rod assembly drives the step positioning piece to swing towards the direction of being far away from or close to the end wall of the processing box, and the second abutting section moves along the step positioning piece so as to adjust the elastic force of the first abutting section abutting against and connected to the end wall of the processing box.
In a possible embodiment, the step positioning element includes a main body portion and an extending portion extending along one end of the main body portion; the second abutting section of the elastic auxiliary piece moves along the extending direction of the step positioning piece, and the height difference is formed between the main body part and the extending part in the vertical direction of the processing box.
In a possible embodiment, a guiding surface is further provided between the main body portion and the extending portion, and the guiding surface is a slope or a curved surface.
In one possible embodiment, the connecting rod assembly comprises a first connecting rod and a second connecting rod which is connected with the first connecting rod in an interlocking manner; one end of the first connecting rod, which is far away from the second connecting rod, is in linkage connection with the front cover, and one end of the second connecting rod, which is far away from the first connecting rod, is connected with the step positioning piece; the first connecting rod drives the second connecting rod to swing towards the direction close to or far away from the end wall of the processing box.
In one possible embodiment, the connecting rod assembly further comprises a connecting member for connecting the first connecting rod and the second connecting rod; the connecting piece is provided with a connecting hole, one end of the second connecting rod, which is close to the first connecting rod, is bent to form a bending section, and the bending section penetrates through the connecting hole to be connected with the connecting piece.
In a possible implementation manner, a convex pillar is disposed on a side wall of the image forming apparatus body, and a fixing hole is disposed at a bent portion of the second link, and the fixing hole is connected with the convex pillar in a matching manner.
In a feasible implementation manner, one end of the second connecting rod, which is far away from the first connecting rod, is provided with at least one clamping groove, the step positioning piece is provided with at least one clamping block, and the clamping block is connected with the clamping groove in a clamping manner.
In a possible embodiment, the side wall of the image forming apparatus body is provided with a first fixing portion and a second fixing portion, and the center pivot of the elastic auxiliary member is mounted on the first fixing portion; the first abutting section and the second abutting section are connected in a bending mode by taking the central fulcrum as a center to form an adjustable bending angle; the first abutting section is connected to the second fixing portion in an abutting mode, and the second abutting section is connected to the step positioning piece in an abutting mode.
In a second aspect, an embodiment of the present application further provides a processing box, where the processing box is installed in an installation cavity of an image forming apparatus body, an end wall of the processing box is provided with a limiting hole, the image forming apparatus body is provided with the above-mentioned urging mechanism, and a step positioning member of the urging mechanism is matched with the limiting hole to fix the processing box.
In a possible embodiment, the end arm of the process cartridge is provided with a positioning post in abutting connection with the first abutting section of the elastic auxiliary member.
The processing box and the image forming device provided by the embodiment of the application enable the connecting rod assembly to swing towards the direction of the end wall of the processing box far away by opening the front cover to link the connecting rod assembly, further enable the step positioning piece connected with the connecting rod assembly to move, enable the bending angle of the torsion spring abutted to the step positioning piece to change along with the movement of the step positioning piece, further reduce the forced pushing force of the torsion spring of the image forming device body, facilitate the operation and disassembly of customers, install the processing box, and improve the experience of customers.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
FIG. 1 is a schematic view showing a configuration in which a process cartridge according to the prior art is mounted in a main body of an image forming apparatus;
FIG. 2 is a sectional view of a prior art process cartridge of the present application installed in the body of an image forming apparatus;
FIG. 3 is a schematic view of a process cartridge provided in the present application mounted to an image forming apparatus;
FIG. 4 is a partial schematic view of a process cartridge provided in the present application when mounted in an image forming apparatus body;
FIG. 5 is a schematic structural view of a connecting rod assembly provided herein;
FIG. 6a is a schematic view of the front cover opening structure provided by the present application;
FIG. 6b is a schematic view of a front cover closing configuration provided herein;
FIG. 7 is a schematic structural view of a step positioning member provided in the present application;
FIG. 8a is a schematic view of a linkage structure of a pushing mechanism in an open state of a front cover provided by the present application;
FIG. 8b is a schematic view of a linkage structure of the urging mechanism in a closed state of the front cover according to the present application;
fig. 9 is a schematic structural diagram of an image forming apparatus provided in the present application.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
For better understanding of the technical solutions of the present application, the following detailed descriptions of the embodiments of the present application are provided with reference to the accompanying drawings.
It should be understood that the embodiments described are only a few embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
Fig. 3 is a schematic view showing the process cartridge provided in the embodiment of the present application assembled in the image forming apparatus, and as shown in fig. 3, the image forming apparatus body a1 is provided with an open process cartridge mounting cavity, and the process cartridge 20 is detachably mounted in the process cartridge mounting cavity of the image forming apparatus body a1 by the urging mechanism 10. The image forming apparatus body a1 further includes a front cover a 20. When the process cartridge (e.g., ink cartridge) 20 needs to be replaced or repaired, the user can open the front cover a20 and detach or attach the process cartridge 20 in the attachment chamber of the image forming apparatus body a 1.
In order to facilitate the detachment or attachment of the process cartridge 20, the urging mechanism 10 is provided on a side wall of the cartridge mounting chamber of the image forming apparatus body a 1. Specifically, the urging mechanism 10 includes an elastic auxiliary member 11, a link assembly 12, and a step positioning member 13.
The elastic auxiliary member 11 is attached to the image forming apparatus body a 1.
Fig. 4 is a partial schematic view of a process cartridge provided in an embodiment of the present application when mounted in an image forming apparatus body. As shown in fig. 4, the end wall of the process cartridge 20 is provided with a stopper hole 201. The urging mechanism 10 is matched with the limiting hole 201 to fix the processing box 20.
The side wall of the open end of the installation cavity of the image forming device body A1 is provided with a first fixing part A11 and a second fixing part A12, the first fixing part A11 and the second fixing part A12 are arranged at intervals, and the first fixing part A11 and the second fixing part A12 are used for fixing the elastic auxiliary piece 11.
The elastic auxiliary 11 is mounted on the sidewall of the image forming apparatus body a1, and an abutting end of the elastic auxiliary 11 abuts against the step positioning member 13. The elastic auxiliary member 11 may be formed by winding a torsion spring, and may also be bent or curved to form different shapes such as an L-shape and a V-shape. Specifically, the elastic assistant fitting 11 is provided with a center fulcrum 111, and the elastic assistant fitting 11 is mounted on the first fixing portion a11 through the center fulcrum 111.
In the present embodiment, the elastic auxiliary member 11 has an adjustable bending angle. The elastic auxiliary member 11 further includes a first abutting section 112 and a second abutting section 113 connected to each other, and the first abutting section 112 and the second abutting section 113 are connected to each other by bending with the central fulcrum 111 as a center to form a bending angle. The first abutting section 112 abuts against and is connected to the process cartridge 20, and the second abutting section 113 abuts against and is connected to the step positioning member 13. It can be understood that, when the bending angle between the first abutting section 112 and the second abutting section 113 becomes larger, the larger the elastic deformation force of the elastic auxiliary member 11 is, the larger the urging force of the elastic auxiliary member 11 is. When the bending angle between the first abutting section 112 and the second abutting section 113 becomes smaller, the smaller the elastic deformation force of the elastic auxiliary member 11, the smaller the urging force of the elastic auxiliary member 11, and the easier the loading or unloading of the process cartridge 20 (e.g., ink cartridge) becomes.
In the embodiment, the elastic auxiliary member 11 is a torsion spring, and the central pivot 111 of the torsion spring is sleeved on the first fixing portion a 11. The first abutting section 112 abuts against the second fixing portion a12 attached to the image forming apparatus body a1 when the process cartridge 20 is not mounted in the image forming apparatus body a1, and the first abutting section 112 abuts against the positioning post 20a attached to the end wall of the process cartridge 20 when the process cartridge 20 is mounted in the image forming apparatus body a 1. The abutting end of the second abutting section 113 abuts against and is connected to the step positioning piece 13.
Further, the link assembly 12 is linked to the front cover a 20. When the front cover a20 is opened, the link assembly 12 drives the step positioning element 13 to swing away from the end wall of the process cartridge 20, and the second abutting section 113 of the elastic auxiliary element 11 moves along the step positioning element 13 to adjust the bending angle of the elastic auxiliary element 11.
Fig. 5 is a schematic structural view of a connecting rod assembly according to an embodiment of the present disclosure, and as shown in fig. 4 to 5, the connecting rod assembly 12 includes a first connecting rod 121 and a second connecting rod 122 linked with the first connecting rod 121. One end of the first connecting rod 121, which is far away from the second connecting rod 122, is in linkage connection with the front cover a20, and one end of the second connecting rod 122, which is far away from the first connecting rod 121, is connected with the step positioning piece 13; the first link 121 drives the second link 122 to swing toward or away from the end wall of the process cartridge 20.
Specifically, the first link 121 has a first connection portion 121a and a second connection portion 121b at two ends thereof. The first connecting portion 121a is used to connect the second link 122, and the second connecting portion 121b is used to connect the front cover a 20.
In some embodiments, the first connecting rod 121 may be a straight rod or a bent rod, the first connecting portion 121a may be an opening, a slot, a thread slot, a plug slot, etc., and correspondingly, the second connecting rod 122 is provided with a connecting portion that is matched with the first connecting portion 121a, and the specific connecting manner thereof is not limited herein.
In this embodiment, the connecting rod assembly 12 further includes a connecting member 123 for connecting the first connecting rod 121 and the second connecting rod 122, the connecting member 123 is L-shaped, in this embodiment, the first connecting rod 121 and the connecting member 123 are integrally formed, in other embodiments, the first connecting rod 121 and the connecting member 123 may also be welded, fastened, riveted, and the like, which is not limited herein.
The second connecting rod 122 is a bent rod, and one end of the second connecting rod 122 close to the first connecting rod 121 is bent to form a bent section 1221. In the present embodiment, the bent section 1221 is bent and extended away from the end wall of the process cartridge 20.
In order to realize the linkage of the first link 121 and the second link 122, a connection hole 123a is formed in the connection member 123, and the bending section 1221 passes through the connection hole 123a and is connected to the connection member 123. Specifically, the end of the bending section 1221 forms a hook so as to hook the connecting member 123.
As shown in fig. 6a to 6b, when the front cover a20 is opened and the first link 121 moves away from the mounting cavity, the connecting member 123 also moves away from the mounting cavity, and drives the bending section 1221 of the second link 122 to swing toward the end wall of the process cartridge 20, so as to drive the step positioning member 13 to move away from the end wall of the process cartridge 20. When the front cover a20 is closed and the first link 121 moves toward the direction close to the mounting cavity, the connecting member 123 also moves toward the direction close to the mounting cavity, and drives the bending section 1221 of the second link 122 to swing toward the direction away from the end wall of the process cartridge 20, thereby driving the step positioning member 13 to move toward the direction close to the end wall of the process cartridge 20.
More specifically, as shown in fig. 5 and 6a, a fixing hole 122a is formed at a bent portion of the second link 122, a convex pillar a122 is disposed on a side wall of the image forming apparatus body A1, and the fixing hole 122a is connected to the convex pillar a122 in a matching manner, so that the second link 122 swings more stably and is in a see-saw shape.
As shown in fig. 5 and 7, at least one engaging groove 122b is formed at an end of the second connecting rod 122 away from the first connecting rod 121; at least one clamping block 13a is arranged on the step positioning piece 13, and the clamping block 13a is clamped and connected with the clamping groove 122 b; thereby connecting the step positioning member 13 with the second link 122.
More specifically, the latch 13a moves within the latch groove 122b, and the step positioning member 13 is retained by the latch 13 a. The step positioning piece 13 is used for reinforcing the processing box 20, and the problems that the processing box 20 shakes or is abnormally positioned in the installation cavity are avoided. The step fixture 13 is inserted into the stopper hole 201 of the end wall of the process cartridge 20 to fix the process cartridge 20.
Specifically, the step positioning member 13 includes a main body 131 and an extension portion 132 formed by extending along one end of the main body 131, and the main body 131 and the extension portion 132 have a height difference in the vertical direction of the process cartridge 20. It can be understood that, since the height difference exists between the main body portion 131 and the extending portion 132, so that the main body portion 131 and the extending portion 132 are stepped, when the second abutting section 113 of the elastic auxiliary member 11 moves along the extending direction of the step positioning member 13, the bending angle between the first abutting section 112 and the second abutting section 113 becomes smaller to adjust the elastic force of the first abutting section 112 abutting against the end wall of the process cartridge, i.e. the smaller the elastic deformation force of the elastic auxiliary member 11, the smaller the urging force of the elastic auxiliary member 11, and the easier the loading or unloading of the process cartridge 20 (e.g. the ink cartridge) is.
In the present embodiment, the main body 131 of the step positioning member 13 is substantially cylindrical, the extension portion 132 is also cylindrical, and the diameter of the extension portion 132 is smaller than that of the main body 131. In order to make the swing of the elastic auxiliary member 11 smoother, an arc-shaped or inclined guide surface 133 is further provided between the main body portion 131 and the extension portion 132. When the second abutting section 113 of the elastic auxiliary 11 swings from the main body 131 to the extending portion 132, the end of the second abutting section 113 can slide to the surface of the extending portion 132 under the guidance of the guiding surface 133, the whole swinging process is more stable, and no abnormal sound is generated. For example, the guide surface 133 may be a slope or a curved surface.
In use, as shown in fig. 8a to 8b, when the front cover a20 of the image forming apparatus body a1 is opened, the front cover a20 is opened and drives the first connecting rod 121 to move away from the mounting cavity, and the connecting member 123 also moves away from the mounting cavity, and drives the bending section 1221 of the second connecting rod 122 to swing towards the end wall direction close to the processing box 20, so as to drive the step positioning member 13 to swing towards the end wall direction away from the processing box 20. At this time, when the second abutting section 113 of the elastic auxiliary member 11 moves along the extending direction of the step positioning member 13, since there is a height difference between the main body portion 131 and the extending portion 132, the bending angle between the first abutting section 112 and the second abutting section 113 becomes smaller, the smaller the elastic deformation force of the elastic auxiliary member 11 is, the smaller the urging force of the elastic auxiliary member 11 is, and the easier the loading or unloading of the process cartridge 20 (e.g., the ink cartridge) is.
And whether the processing cartridge 20 is mounted in place in the image forming apparatus body a1 can be judged according to whether the step positioning piece 13 is inserted into the limiting hole 201, so that the problem of printing abnormity caused by the fact that the processing cartridge 20 is not mounted in place by a user is avoided, and a fool-proof effect can be achieved.
Through the test, every time the bending angle reduces 7 degrees, the urging force of the torsion spring reduces about 21 percent, see the following table:
conversely, when the front cover a20 is closed, the front cover a20 closes and drives the first link 121 to move toward the mounting cavity, the connecting member 123 also moves toward the mounting cavity, and drives the bending section 1221 of the second link 122 to swing away from the end wall of the process cartridge 20, so as to drive the step positioning member 13 to move toward the end wall of the process cartridge 20 until the step positioning member 13 is inserted into the limiting hole 201 on the end wall of the process cartridge 20. At this time, the second abutting section 113 of the elastic auxiliary member 11 moves to the main body 131 along the extending portion 132, the bending angle between the first abutting section 112 and the second abutting section 113 becomes larger, the larger the elastic deformation force of the elastic auxiliary member 11 is, the larger the urging force of the elastic auxiliary member 11 is, the stable installation of the process cartridge 20 is realized, the problems of shaking or abnormal positioning of the process cartridge 20 and the like during the operation of the image forming apparatus are avoided, and the normal printing of the image forming apparatus is ensured.
The urging mechanism 10 provided by the embodiment of the application, through opening the front cover A20 and linking the connecting rod assembly 12 to move, the connecting rod assembly 12 swings towards the end wall direction far away from the processing box 20, and then the step positioning piece 13 connected with the connecting rod assembly 12 moves, so that the bending angle of the torsion spring abutted on the step positioning piece 13 changes along with the movement of the step positioning piece 13, the urging force of the torsion spring of the image forming device body is reduced, the operation and the disassembly of a customer are facilitated, the processing box is installed, and the experience of the customer is improved.
The embodiment of the application further provides a processing box, the processing box 20 is installed in the installation cavity of the image forming device body A1, the end wall of the processing box 20 is provided with a limiting hole 201, the image forming device body A1 is provided with the forced pushing mechanism 10, and the step positioning piece 13 of the forced pushing mechanism 10 is matched with the limiting hole 201 to fix the processing box 20. Therefore, whether the processing box 20 is installed in place in the image forming device body A1 can be judged according to whether the step positioning piece 13 is inserted into the limiting hole 201, the problem of printing abnormity caused by the fact that the processing box 20 is not assembled in place by a user is avoided, and the fool-proof effect can be achieved. As shown in fig. 9, the image forming apparatus 1 to which the process cartridge 20 is attached, the image forming apparatus 1 includes a paper feeding unit 9, a conveying unit 4, a fixing unit 5, and a discharging unit 6. In the image forming process, paper is output from the paper feeding unit 9 and is conveyed to the image forming unit by the conveying unit 4, the image forming unit converts image information into an electrostatic latent image and converts the electrostatic latent image into a toner image, after the toner image is transferred to the paper, the conveying unit 4 conveys the paper to the fixing unit 5, the toner image is fixed on the paper after the paper bearing the toner image is heated and pressurized by the fixing unit 5, and the paper after the fixing operation is discharged by the discharging unit 6.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.
Claims (10)
1. An image forming apparatus includes: the utility model provides an image forming device, including body and the protecgulum of setting on the body, it can supply the processing box to install to set up on the body this internal installation cavity, its characterized in that, be equipped with on the lateral wall of the installation cavity of image forming device body and compel to push away the mechanism, compel to push away the mechanism and include:
a link assembly that is linked with a front cover of the image forming apparatus body;
the step positioning piece is connected with one end, far away from the front cover, of the connecting rod assembly; the step positioning piece is matched with the limiting unit on the end wall of the processing box so as to fix the processing box; and
the elastic auxiliary piece is arranged on the side wall of the image forming device body and comprises a first abutting section and a second abutting section which are connected, the first abutting section abuts against and is connected to the processing box, and the second abutting section abuts against the step positioning piece;
when the front cover is opened or closed, the connecting rod assembly drives the step positioning piece to swing towards the direction of being far away from or close to the end wall of the processing box, and the second abutting section moves along the step positioning piece so as to adjust the elastic force of the first abutting section abutting against and connected to the end wall of the processing box.
2. The image forming apparatus according to claim 1, wherein the step positioning member includes a main body portion and an extension portion formed to extend along one end of the main body portion;
the second abutting section of the elastic auxiliary piece moves along the extending direction of the step positioning piece, and the height difference is formed between the main body part and the extending part in the vertical direction of the processing box.
3. The image forming apparatus according to claim 2, wherein a guide surface is further provided between the main body portion and the extending portion, the guide surface being a slope or a curved surface.
4. The image forming apparatus according to any one of claims 1 to 3, wherein the link assembly includes a first link and a second link linked to the first link;
one end of the first connecting rod, which is far away from the second connecting rod, is in linkage connection with the front cover, and one end of the second connecting rod, which is far away from the first connecting rod, is connected with the step positioning piece;
the first connecting rod drives the second connecting rod to swing towards the direction close to or far away from the end wall of the processing box.
5. The image forming apparatus according to claim 4, wherein the link assembly further includes a connecting member for connecting the first link and the second link;
the connecting piece is provided with a connecting hole, one end of the second connecting rod, which is close to the first connecting rod, is bent to form a bending section, and the bending section penetrates through the connecting hole to be connected with the connecting piece.
6. The image forming apparatus as claimed in claim 5, wherein a convex pillar is disposed on a side wall of the image forming apparatus body, and a fixing hole is disposed at a bent portion of the second link, and the fixing hole is connected with the convex pillar in a matching manner.
7. The image forming apparatus according to claim 5, wherein an end of the second link away from the first link is provided with at least one engaging groove, and the step positioning member is provided with at least one engaging block, and the engaging block is engaged with the engaging groove.
8. The image forming apparatus according to claim 1, wherein a side wall of the image forming apparatus body is provided with a first fixing portion and a second fixing portion, and a center fulcrum of the elastic auxiliary member is attached to the first fixing portion;
the first abutting section and the second abutting section are connected in a bending mode by taking the central fulcrum as a center to form an adjustable bending angle;
the first abutting section is connected to the second fixing portion in an abutting mode, and the second abutting section is connected to the step positioning piece in an abutting mode.
9. A process cartridge mounted to the image forming apparatus as claimed in any one of claims 1 to 8, wherein a stopper unit is provided on an end wall of the process cartridge, and a step positioning member of the urging mechanism is fitted to the stopper unit to fix the process cartridge.
10. A process cartridge according to claim 9, wherein an end wall of said process cartridge is provided with a positioning column which is brought into abutting connection with the first abutting section of said elastic auxiliary member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022659425.7U CN213814307U (en) | 2020-11-17 | 2020-11-17 | Image forming apparatus and processing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022659425.7U CN213814307U (en) | 2020-11-17 | 2020-11-17 | Image forming apparatus and processing box |
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| CN213814307U true CN213814307U (en) | 2021-07-27 |
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| CN202022659425.7U Active CN213814307U (en) | 2020-11-17 | 2020-11-17 | Image forming apparatus and processing box |
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| CN (1) | CN213814307U (en) |
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