CN218957029U - Printer transfer structure - Google Patents
Printer transfer structure Download PDFInfo
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- CN218957029U CN218957029U CN202222997296.1U CN202222997296U CN218957029U CN 218957029 U CN218957029 U CN 218957029U CN 202222997296 U CN202222997296 U CN 202222997296U CN 218957029 U CN218957029 U CN 218957029U
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- rotating body
- photosensitive unit
- transfer structure
- connecting piece
- support shaft
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Abstract
The utility model discloses a printer transfer structure, which relates to the technical field of printers and solves the problem that in the prior art, a rotating body is in long-time extrusion contact with a photosensitive unit in the transportation or storage process, so that partial substances of the rotating body material move outwards to pollute the photosensitive unit or the rotating body forms local deformation, and the technical scheme is that the printer transfer structure comprises the following components: a housing; a photosensitive unit rotatably provided to the housing; a paper box detachably provided in the housing; a rotating body rotatably provided to the housing; a cutting mechanism provided in the paper cassette; one end of the connecting piece is connected with the rotating body, and the other end of the connecting piece is connected with the paper box; the utility model can solve the problem that the rotator and the photosensitive unit are in long-time extrusion contact in the transportation or storage process in the prior art, and the cutting mechanism cuts off the connecting piece in the scheme is driven by the disassembling action of the paper box in the shell, so that the contact between the rotator and the photosensitive unit can be restored by simple structural action.
Description
Technical Field
The utility model relates to the technical field of printers, in particular to a printer transfer structure.
Background
An electrophotographic image forming apparatus is a device that forms an image on a recording material using an electrophotographic image forming system. Electrophotographic image forming apparatuses include electrophotographic copiers, electrophotographic printers (e.g., laser beam printers, LED printers, etc.), facsimile machines, word processors, and the like.
The process cartridge of the electrophotographic image forming apparatus includes at least a photosensitive unit (e.g., a photosensitive drum), a charging unit (e.g., a charging roller), an exposing unit, a developing unit (e.g., a developing roller), and a cleaning unit (e.g., a cleaning roller), and the image forming process of the process cartridge is as follows, in which the charging unit firstly brings a uniform charge on the surface of the photosensitive unit, then the exposing unit makes the surface of the photosensitive unit form an electrostatic latent image by illumination, then the developing unit transfers a toner layer to an electrostatic latent image area on the surface of the photosensitive unit and forms a toner image, and after the transferring unit transfers the toner image on the photosensitive unit to a printing medium, the cleaning unit removes residual toner on the photosensitive unit that has not been transferred.
In the prior art, a rotating body (such as a transfer roller) is in long-time extrusion contact with a photosensitive unit (such as a photosensitive drum) in the transportation or storage process, so that partial matters on the material of the rotating body are moved outwards to pollute the photosensitive unit or the rotating body to form local deformation, and therefore, a user can print an abnormal image at the initial stage after receiving the printer, and the user satisfaction degree is reduced.
Disclosure of Invention
The utility model aims to provide a transfer printing structure of a printer, the connecting piece can enable the rotating body to be located at a position far away from the photosensitive unit, and the rotating body and the photosensitive unit are in a separated state at the moment, so that the problem that the rotating body and the photosensitive unit are in long-time extrusion contact in the transportation or storage process in the prior art is solved, and the cutting of the connecting piece by the cutting mechanism is driven by the disassembling action of the paper box in the shell, so that the contact of the rotating body and the photosensitive unit can be restored through simple structural action.
The technical aim of the utility model is realized by the following technical scheme:
a printer transfer structure, comprising:
a housing;
a photosensitive unit rotatably provided to the housing;
a carton detachably disposed within the housing;
a rotating body rotatably provided to the housing, the rotating body being capable of being away from or contacting the photosensitive unit;
a cutting mechanism provided to the paper cassette;
the connecting piece is connected with the rotating body at one end, the paper box is connected with the other end of the connecting piece, and the connecting piece can enable the rotating body to be far away from the photosensitive unit;
when the paper box is detached from the shell, the cutting mechanism is driven to move, and the cutting mechanism cuts off the connection of the connecting piece to the rotating body and the paper box, so that the rotating body can be in contact with the photosensitive unit.
Therefore, the connecting piece can enable the rotating body to be located at a position far away from the photosensitive unit, and the rotating body and the photosensitive unit are in a separated state at the moment, so that the problem that the rotating body is in long-time extrusion contact with the photosensitive unit in the transportation or storage process in the prior art, and the problem that the photosensitive unit is polluted by outwards moving part of materials of the rotating body or local deformation is formed on the rotating body is avoided as far as possible, and therefore image abnormality of a user in the initial printing stage after the user receives the printer is reduced, and satisfaction of the user is improved; secondly, the cutting mechanism in this scheme is driven through the action of dismantling of carton in the casing to the cutting of connecting piece, consequently can be convenient for user's operation to can resume the contact of rotator and sensitization unit through simple structure action.
In some embodiments, the number of the connecting pieces is at least two and is respectively arranged at two sides of the paper box, and the number of the cutting mechanisms is matched with the number of the connecting pieces.
In some embodiments, the cutoff mechanism comprises:
an extension disposed on the carton;
and a cutting portion provided on the extension portion, the cutting portion being capable of cutting the connector to disconnect the rotator from the paper cassette.
Thus, the scheme provides a specific structure of the cutting mechanism, and the extension part can enable the cutting part to be located at a better cutting position.
In some embodiments, the severing portion has a sharp point.
Thus, in this solution, the sharp block is wedge-shaped, in particular triangular, so as to facilitate a quick severing of the connecting piece by means of the detachment action of the carton.
In some embodiments, the connector has a notch for the cutting portion to cut, and the number of the notches is at least two.
In some embodiments, the notch is located in the path of travel of the severing section.
In some embodiments, the connector comprises:
a first extension rod connected to the rotating body;
a second extension bar connected to the carton;
the first extension rod is connected with the second extension rod, and the notch is arranged at the joint of the first extension rod and the second extension rod.
Therefore, the notch can enable the first extension rod to keep connection with the second extension, and meanwhile the notch can also reduce the cutting length of the sharp block of the cutting part to the connecting piece so as to reduce the resistance when the sharp block cuts the connecting piece.
In some embodiments, the rotating body is provided with a first supporting shaft rotatably supporting and installing the rotating body, the paper box is provided with a second supporting shaft, one end of the connecting piece is sleeved on the first supporting shaft, and the other end of the connecting piece is sleeved on the second supporting shaft.
Therefore, the scheme provides a specific connecting structure of the connecting piece, the rotating body and the paper box respectively.
In some embodiments, one end of the connecting piece is provided with a first through hole, and the other end of the connecting piece is provided with a second through hole; the first support shaft penetrates through the first through hole, and the second support shaft penetrates through the second through hole.
In some embodiments, when the rotating body contacts the photosensitive unit, the center distance between the first support shaft and the second support shaft is D1; when the connecting piece is not cut off, the center distance between the first through hole and the second through hole is D2, and D1 is larger than D2.
Thus, when the first through hole of the connecting piece is connected with the first supporting shaft, and the second through hole of the connecting piece is connected with the second supporting shaft, the connecting piece can enable the rotating body to be separated from the photosensitive unit through the size setting of D1 and D2.
In summary, the connecting piece of the utility model can enable the rotator to be located at a position far away from the photosensitive unit, and the rotator and the photosensitive unit are in a separated state at the moment, so as to solve the problem that the rotator and the photosensitive unit are in long-time extrusion contact in the transportation or storage process in the prior art.
Drawings
FIG. 1 is a schematic diagram of a printer with a removable imaging assembly;
FIG. 2 is a schematic cross-sectional view of the printer with the photosensitive unit in contact with the rotating body;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a schematic cross-sectional view of the printer with the photosensitive unit away from the rotating body;
FIG. 5 is a schematic view of a paper cassette and transfer frame;
FIG. 6 is an enlarged view at B in FIG. 5;
FIG. 7 is an enlarged view at C in FIG. 5;
FIG. 8 is a schematic illustration of the connection of the connector to the carton and rotator, respectively;
fig. 9 is a schematic structural view of the connector.
Reference numerals: 1. a housing; 10. an imaging assembly; 11. a transfer frame; 12. a bracket; 2. a photosensitive unit; 3. a paper box; 31. a second support shaft; 4. a rotating body; 41. a first support shaft; 5. a cutting mechanism; 51. an extension; 52. a cutting section; 520. a sharp block; 6. a connecting piece; 60. a notch; 61. a first extension rod; 610. a first through hole; 62. a second extension rod; 620. a second through hole; 7. an elastic member.
Detailed Description
In the following, the present utility model will be described in further detail with reference to the accompanying drawings, for a better explanation of a recycling cartridge, a X, Y, Z axis concept is cited, and as shown in fig. 1 to 8, it is defined that the sliding axis of the paper cassette 3 is the X axis, the axis of the photosensitive unit 2 is the Y axis, and the weight direction of the paper cassette 3 is the-Z axis, wherein the direction of moving the paper cassette 3 away from the casing 1 is +x axis. The movement in the front-rear or up-down direction or the movement in the X-axis, Y-axis, Z-axis direction in the embodiment is not limited to the movement in the vertical, horizontal, or parallel directions, and the movement having an inclination angle may be any movement having a component in the direction.
Examples
A printer transfer structure, comprising: the casing 1, the image forming assembly 10, the paper cassette 3, the rotating body 4, the cutting mechanism 5, the elastic member 7, concretely, are as follows:
as shown in fig. 1, the casing 1 refers to a printer, which is a printer capable of replacing the image forming assembly 10; as shown in fig. 6, the casing 1 has a transfer frame 11 therein, and the transfer frame 11 is provided with a holder 12 for receiving a transfer roller; one end of the elastic member 7 is connected with the housing 1, the other end of the elastic member 7 is connected with the rotating body 4, and the elastic member 7 can provide reset elastic force for the rotating body 4 approaching the photosensitive unit 2. Preferably, the elastic member 7 is provided on the bracket 12; thus, when the connecting member 6 is cut off by the cutting mechanism 5, the rotating body 4 can approach the photosensitive unit 2 under the action of the elastic member 7 until the rotating body 4 contacts the photosensitive unit 2, so that the printer can work normally.
The image forming assembly 10 includes a photosensitive unit 2, the photosensitive unit 2 being rotatably provided to the casing 1, in this embodiment, the photosensitive unit 2 refers to a photosensitive drum;
a paper cassette 3 is detachably provided in the housing 1, the paper cassette 3 being capable of being used for loading paper sheets; specifically, the paper box 3 is movably arranged in the shell 1, that is, a chute matched with the paper box 3 is arranged in the shell 1, and the paper box 3 is slidably connected in the chute.
The rotating body 4 is rotatably arranged on the shell 1, and the rotating body 4 can be far away from or contact with the photosensitive unit 2; in the present embodiment, the rotating body 4 is a transfer roller;
wherein the cutting mechanism 5 is arranged on the paper box 3; as shown in fig. 8, the number of the connectors 6 is at least two and is respectively provided on both sides of the paper cassette 3 in the Y-axis direction, and the number of the cutting mechanisms 5 matches the number of the connectors 6.
The cutting mechanism 5 includes: an extension portion 51 and a cut-off portion 52, wherein the extension portion 51 is provided on the paper cassette 3; the cutting portion 52 is provided on the extension portion 51, and the cutting portion 52 can cut the connector 6 to disconnect the rotator 4 from the paper cassette 3. Thus, the present embodiment provides a specific structural configuration of the cutting mechanism 5, and the extension 51 enables the cutting portion 52 to be located at a preferred cutting position.
Preferably, the cut-out 52 has a sharp block 520. In this embodiment, the sharp block 520 is wedge-shaped, in particular triangular, to facilitate quick severing of the connector 6 by the removal action of the carton 3.
A connecting piece 6, one end of the connecting piece 6 is connected with the rotating body 4, the other end of the connecting piece 6 is connected with the paper box 3, and the connecting piece 6 can enable the rotating body 4 to be far away from the photosensitive unit 2; preferably, the connecting piece 6 is made of PP plastic.
When the paper box 3 is detached from the shell 1, the cutting mechanism 5 is driven to move, and the cutting mechanism 5 cuts off the connection between the connecting piece 6 and the paper box 3 and enables the rotating body 4 to be in contact with the photosensitive unit 2.
Preferably, the connecting piece 6 has notches 60 for the cutting portion 52 to cut, and the number of the notches 60 is at least two and is respectively located at two sides of the connecting piece 6 in the X-axis direction; in this embodiment notch 60; since the paper cassette 3 is movably disposed in the housing 1, the notch 60 is located on the moving path of the cut-off portion 52.
In the present embodiment, the connecting member 6 includes: a first extension rod 61 and a second extension rod 62; the first extension rod 61 is connected to the rotating body 4; the second extension rod 62 is connected to the carton 3; the first extension rod 61 is connected with the second extension rod 62;
specifically, as shown in fig. 8 and 9, the notch 60 is provided at the connection of the first extension rod 61 and the second extension rod 62. Thus, the notch 60 can maintain the connection between the first extension rod 61 and the second extension rod, and the notch 60 can reduce the cutting length of the sharp piece 520 of the cutting portion 52 to the connector 6, so as to reduce the resistance when the sharp piece 520 cuts the connector 6.
The rotator 4 has a first support shaft 41 rotatably supporting and mounting the photosensitive unit 2, the paper cassette 3 has a second support shaft 31, one end of the connector 6 is sleeved on the first support shaft 41, and the other end of the connector 6 is sleeved on the second support shaft 31. Thus, the present solution provides a specific connection structure of the connector 6 with the rotator 4, the carton 3, respectively.
As shown in fig. 7, 8 and 9, one end of the connecting member 6 is provided with a first through hole 610, and the other end of the connecting member 6 is provided with a second through hole 620; the first support shaft 41 is disposed in the first through hole 610, and the second support shaft 31 is disposed in the second through hole 620.
When the rotating body 4 contacts with the photosensitive unit 2, the center distance between the first supporting shaft 41 and the second supporting shaft 31 is D1; when the connecting piece 6 is not cut, the center distance between the first through hole 610 and the second through hole 620 is D2, and D1 is larger than D2. Thus, when the first through hole 610 of the connection member 6 is connected to the first support shaft 41 and the second through hole 620 of the connection member 6 is connected to the second support shaft 31, the connection member 6 can separate the rotation body 4 from the photosensitive unit 2 by the sizing of D1 and D2.
Working process
When the paper box 3 leaves the factory, the first through hole 610 of the connecting piece 6 is sleeved on the first supporting shaft 41 of the rotating body 4, the second through hole 620 of the connecting piece 6 is sleeved on the second supporting shaft 31 of the paper box 3, at the moment, the rotating body 4 moves along the-Z axis direction under the driving of the connecting piece 6, the elastic piece 7 is driven to compress towards the-Z axis direction, and the elastic piece 7 has elastic potential energy;
when the user receives the printer and before the first use, the paper box 3 needs to be slidingly detached from the shell 1 along the +X axis direction, so that paper is placed in the paper box 3;
when the paper box 3 slides from the inside of the shell 1 along the +X axis direction, the paper box 3 drives the cutting part 52 to move along the +X axis direction, so that the sharp block 520 of the cutting part 52 also moves along the +X axis direction until the sharp block 520 passes through the notch 60 on the connecting piece 6;
at this time, the connecting member 6 is broken into two parts with the notch 60 as a dividing line, the first extension bar 61 of one part of the connecting member 6 is retracted into the printer, and the second extension bar 62 of the other part of the connecting member 6 remains on the paper cassette 3;
at this time, the rotating body 4 moves toward the +z axis direction under the action of the restoring elastic force of the elastic member 7 until the rotating body 4 contacts the photosensitive unit 2, and simultaneously, the rotating body 4 and the photosensitive unit 2 form a certain compression amount due to the action of the elastic member 7, so that the printer returns to a normal working state.
Advantageous effects
When leaving the factory, the connecting piece 6 can enable the rotating body 4 to be located at a position far away from the photosensitive unit 2, and at the moment, the rotating body 4 and the photosensitive unit 2 are in a separated state, so that the problem that the rotating body 4 is in long-time extrusion contact with the photosensitive unit 2 in the transportation or storage process in the prior art, and the problem that the photosensitive unit 2 is polluted or local deformation is formed on the rotating body 4 due to the fact that partial substances of the rotating body 4 are outwards moved is avoided as far as possible is solved, and therefore image abnormality of a user at the initial printing stage after the user receives a printer is reduced, and the satisfaction of the user is improved; secondly, in this embodiment, the cutting mechanism 5 cuts off the connecting member 6 by the removal action of the paper cassette 3 in the casing 1, so that the operation of the user can be facilitated, and the contact between the rotating body 4 and the photosensitive unit 2 can be restored by the simple structural action.
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.
Claims (10)
1. A printer transfer structure, comprising:
a housing;
a photosensitive unit rotatably provided to the housing;
a carton detachably disposed within the housing;
a rotating body rotatably provided to the housing, the rotating body being capable of being away from or contacting the photosensitive unit;
characterized by further comprising:
a cutting mechanism provided to the paper cassette;
the connecting piece is connected with the rotating body at one end, the paper box is connected with the other end of the connecting piece, and the connecting piece can enable the rotating body to be far away from the photosensitive unit;
when the paper box is detached from the shell, the cutting mechanism is driven to move, and the cutting mechanism cuts off the connection of the connecting piece to the rotating body and the paper box, so that the rotating body can be in contact with the photosensitive unit.
2. The printer transfer structure of claim 1, wherein said cutoff mechanism comprises:
an extension disposed on the carton;
and a cutting portion provided on the extension portion, the cutting portion being capable of cutting the connector to disconnect the rotator from the paper cassette.
3. The printer transfer structure according to claim 2, wherein the cut-off portion has a sharp piece.
4. The printer transfer structure according to claim 2, wherein the connecting member has a notch through which the cutting portion is cut.
5. The printer transfer structure as in claim 4, wherein said notch is located in a path of travel of said cutoff portion.
6. The printer transfer structure according to any one of claims 1 to 5, wherein the number of the connecting members is at least two and is respectively provided on both sides of the paper cassette, and the number of the cutting mechanisms is matched with the number of the connecting members.
7. The printer transfer structure of claim 4, wherein said connector comprises:
a first extension rod connected to the rotating body;
a second extension bar connected to the carton;
the first extension rod is connected with the second extension rod, and the notch is arranged at the joint of the first extension rod and the second extension rod.
8. The printer transfer structure according to any one of claims 1 to 5, or 7, wherein the rotary body has a first support shaft rotatably supporting and mounting the rotary body, the paper cassette has a second support shaft, one end of the connecting member is fitted over the first support shaft, and the other end of the connecting member is fitted over the second support shaft.
9. The printer transfer structure of claim 8, wherein one end of the connector has a first through hole and the other end of the connector has a second through hole; the first support shaft penetrates through the first through hole, and the second support shaft penetrates through the second through hole.
10. The printer transfer structure according to claim 9, wherein when the rotating body is in contact with the photosensitive unit, a center distance between the first support shaft and the second support shaft is D1; when the connecting piece is not cut off, the center distance between the first through hole and the second through hole is D2, and D1 is larger than D2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222997296.1U CN218957029U (en) | 2022-11-10 | 2022-11-10 | Printer transfer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222997296.1U CN218957029U (en) | 2022-11-10 | 2022-11-10 | Printer transfer structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218957029U true CN218957029U (en) | 2023-05-02 |
Family
ID=86104758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222997296.1U Active CN218957029U (en) | 2022-11-10 | 2022-11-10 | Printer transfer structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218957029U (en) |
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2022
- 2022-11-10 CN CN202222997296.1U patent/CN218957029U/en active Active
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