CN210666337U - Photosensitive drum and developing box - Google Patents
Photosensitive drum and developing box Download PDFInfo
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- CN210666337U CN210666337U CN201921627540.7U CN201921627540U CN210666337U CN 210666337 U CN210666337 U CN 210666337U CN 201921627540 U CN201921627540 U CN 201921627540U CN 210666337 U CN210666337 U CN 210666337U
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Abstract
A photosensitive drum comprises a photosensitive body, a photosensitive drum core, a photosensitive drum gear and a photosensitive drum connector, wherein the photosensitive drum gear is fixedly connected to a first end of the photosensitive body, the photosensitive drum connector is fixedly connected to a second end of the photosensitive body, and the first end and the second end are two opposite ends of the photosensitive body respectively; the drum core comprises a first drum core and a second drum core, a first through hole is formed in the photosensitive drum gear along the axis direction of the photosensitive drum gear, the first drum core penetrates through the first through hole and is fixedly connected with the photosensitive drum gear, a second through hole is formed in the photosensitive drum connector along the axis direction of the photosensitive drum connector, and the second drum core penetrates through the second through hole and is fixedly connected with the photosensitive drum connector. The utility model provides a sensitization drum and development box, this sensitization drum adopt the both ends formula setting mode of drum core, and material saving cost when the installation of the sensitization drum of being convenient for is fixed, improves more that the electric connection is stable, reaches the technological effect of guaranteeing printing quality.
Description
Technical Field
The utility model relates to a printing consumables's technical field especially relates to a sensitization drum and development box.
Background
Along with the improvement of the living standard of people, the laser printer is more and more widely used because of the advantages of high printing speed, low printing cost, reliable quality and low noise. In a laser printer, a developing cartridge is generally used as a toner supply source used in image formation, a core member of the developing cartridge is a photosensitive medium, which is an important basis for forming images (electrostatic latent image and toner image), a charging roller functions to charge a surface of the photosensitive medium uniformly, light modulated to correspond to image information is scanned onto the photosensitive medium using an optical scanning unit to form an electrostatic latent image on the photosensitive medium, toner is supplied to the electrostatic latent image using a developing unit to form a toner image, the toner image is transferred onto a printing medium, and the toner image is fused on the printing medium by heating the toner image to form an image on the printing medium. The drum core of the existing photosensitive medium is in a through type, the drum core and the photosensitive body are coaxially arranged, namely the drum core penetrates through the whole photosensitive body and is fixedly connected with the photosensitive body, and the drum core is electrically connected with the left conductive side cover and the right conductive side cover through two ends of the drum core.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sensitization drum and development box solves the problem that above-mentioned prior art exists, and this sensitization drum adopts the both ends formula setting mode of drum core, and material saving cost when the installation of the sensitization drum of being convenient for is fixed, improves more that the electric connection stability reaches the technological effect of guaranteeing the printing quality.
In order to achieve the above object, the present invention provides the following technical solutions:
a photosensitive drum comprises a photosensitive body, a photosensitive drum core, a photosensitive drum gear and a photosensitive drum connector, wherein the photosensitive drum gear is fixedly connected to a first end of the photosensitive body, the photosensitive drum connector is fixedly connected to a second end of the photosensitive body, and the first end and the second end are two opposite ends of the photosensitive body respectively; the sensitization drum core includes first drum core and second drum core, first through-hole has been seted up along its axis direction to sensitization drum gear, first drum core passes first through-hole with sensitization drum gear fixed connection, the second through-hole has been seted up along its axis direction to sensitization drum connector, the second drum core passes the second through-hole with sensitization drum connector fixed connection.
Further, the first drum core is arranged to be a circular ring, and the circular ring is fixedly connected with a protruding part arranged on a first conductive side cover of the developing box.
Further, the second drum core comprises a first connecting part and a second connecting part, the outer peripheral surface of the first connecting part is abutted with the inner peripheral surface of the second through hole, one end surface of the second connecting part is abutted with the end surface of the second through hole, and the second connecting part is fixedly connected with a hole part arranged on a second conductive side cover of the developing box.
Furthermore, another end face of the second connecting part is convexly provided with a connecting column, and the connecting column is connected with the hole part.
Further, the photosensitive drum connector is annular.
The utility model has the advantages that:
the utility model provides a photosensitive drum and developing box, wherein, the photosensitive drum includes photosensitive body, photosensitive drum core, photosensitive drum gear and photosensitive drum connector, photosensitive drum gear fixed connection is at the first end of photosensitive body, photosensitive drum connector fixed connection is at the second end of photosensitive body, first end and second end are the relative both ends of photosensitive body respectively; the photosensitive drum core comprises a first drum core and a second drum core, a first through hole is formed in the photosensitive drum gear along the axis direction of the photosensitive drum gear, the first drum core penetrates through the first through hole and is fixedly connected with the photosensitive drum gear, a second through hole is formed in the photosensitive drum connector along the axis direction of the photosensitive drum connector, and the second drum core penetrates through the second through hole and is fixedly connected with the photosensitive drum connector. The photosensitive drum core of the photosensitive drum comprises a first drum core and a second drum core, and the first drum core and the second drum core are respectively fixedly arranged behind the conductive side covers at the two sides of the developing box and then fixedly connected with the photosensitive drum gear and the photosensitive drum connector arranged at the two ends of the photosensitive body. The utility model provides a sensitization drum and development box, this sensitization drum adopt the both ends formula of sensitization drum core to set up the mode, and material saving cost when the installation of the sensitization drum of being convenient for is fixed, improves more that the electricity is connected stability, reaches the technological effect of guaranteeing the printing quality.
Drawings
FIG. 1 is a schematic view of a connection state between a photosensitive drum and a conductive side cover according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the gear connection between the photosensitive drum and the photosensitive body according to the embodiment of the present invention;
FIG. 3 is a schematic structural view of a photosensitive drum connector according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a first drum core according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a second drum core according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a first conductive side cover according to an embodiment of the present invention;
fig. 7 is a schematic structural view of a second conductive side cover according to an embodiment of the present invention.
In the figure, 10-photoreceptor, 20-photoreceptor drum core, 21-first drum core, 22-second drum core, 221-first connection part, 222-second connection part, 2221-connection column, 30-photoreceptor drum gear, 31-first through hole, 40-photoreceptor drum connector, 41-second through hole, 50-first conductive side cover, 51-lug boss, 60-second conductive side cover, 61-hole part
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-7, fig. 1 is the utility model discloses a connection state schematic diagram of photosensitive drum and electrically conductive limit lid, fig. 2 is the utility model discloses a photoreceptor and photosensitive drum gear connection's schematic structure diagram, fig. 3 is the utility model discloses a structural schematic diagram of photosensitive drum connector, fig. 4 is the utility model discloses a structural schematic diagram of first drum core, fig. 5 is the utility model discloses a second drum core's structural schematic diagram, fig. 6 is the utility model discloses a first electrically conductive limit lid's structural schematic diagram, fig. 7 is the utility model discloses a second electrically conductive limit lid's structural schematic diagram.
The utility model provides a sensitization drum and development box, this sensitization drum adopt the both ends formula of sensitization drum core to set up the mode, and material saving cost when the installation of the sensitization drum of being convenient for is fixed, improves more that electric connection stability, reaches the technological effect of guaranteeing printing quality.
Referring to fig. 1 to 5 in particular, the photosensitive drum provided by the present embodiment includes a photosensitive body 10, a photosensitive drum core 20, a photosensitive drum gear 30 and a photosensitive drum connector 40, wherein the photosensitive drum gear 30 is fixedly connected to a first end of the photosensitive body 10, and preferably, the photosensitive drum gear 30 is welded and fixed to the first end of the photosensitive body 10; the photosensitive drum connector 40 is fixedly connected to the inner cavity of the second end of the photosensitive body 10, preferably, the photosensitive drum connector 40 is connected to the inner cavity of the second end in an interference fit manner, and the first end and the second end are respectively opposite ends of the photosensitive body 10, namely, the front end and the rear end of the photosensitive body 10; the photosensitive drum core 20 includes a first drum core 21 and a second drum core 22, the photosensitive drum gear 30 has a first through hole 31 along an axial direction thereof, the first drum core 21 passes through the first through hole 31 and is fixedly connected to the photosensitive drum gear 30, specifically, the first drum core 21 is in transition fit connection with the first through hole 31, the photosensitive drum connector 40 has a second through hole 41 along the axial direction thereof, specifically, the photosensitive drum connector 40 is in a circular ring shape, the second drum core 22 passes through the second through hole 41 and is fixedly connected to the photosensitive drum connector 40, specifically, the second drum core 22 is in transition fit connection with the second through hole 41, that is, the first drum core 21 and the second drum core 22 are respectively fixed at two ends of the photosensitive body 10.
The drum core 20 of the photosensitive drum includes a first drum core 21 and a second drum core 22, which are respectively and fixedly mounted on the conductive side covers (the first conductive side cover 50 and the second conductive side cover 60) at two sides of the developing box, and then fixedly connected to the photosensitive drum gear 30 and the photosensitive drum connector 40 arranged at two ends of the photosensitive body 10, that is, respectively arranged at two ends of the photosensitive body 10.
Referring to fig. 4 and 6 in particular, in the present embodiment, the first drum core 21 is preferably configured as a circular ring, and the circular ring is fixedly connected with the protruding portion 51 provided on the first conductive edge cover 50 of the developing cartridge, so as to further improve the installation stability and the electrical connection stability of the photosensitive drum.
Referring to fig. 5 and 7 in particular, in this embodiment, preferably, the second drum core 22 includes a first connecting portion 221 and a second connecting portion 222, a diameter width of the first connecting portion 221 is smaller than a diameter width of the second connecting portion 222, specifically, an outer circumferential surface of the first connecting portion 221 abuts against an inner circumferential surface of a second through hole 41 formed in the photosensitive drum connector 40, that is, the second through hole 41 supports the second drum core 22, an end surface of the second connecting portion 222 abuts against an end surface of the second through hole 41, and the second connecting portion 222 is fixedly connected to a hole portion 61 formed in the second conductive side cover 60 of the developing cartridge, so as to further ensure the mounting stability and the electrical connection stability of the photosensitive drum.
Referring to fig. 5, it is further preferable that a connection post 2221 is convexly disposed on the other end surface of the second connection portion 222, and the connection post 2221 is connected to the hole portion 61 disposed on the second conductive side cover 60, and the second drum core 22 of this embodiment is skillfully designed, so that the fixed connection between the second drum core 22 and the second conductive side cover 60 of the developing cartridge and the stable connection between the second drum core 22 and the photosensitive drum connector 40 can be ensured, and the electrical connection stability can be further improved.
Furthermore, the utility model also provides an use the processing box of above-mentioned sensitization drum.
The above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all the solutions should be covered in the scope of the claims of the present invention.
Claims (6)
1. A photosensitive drum, characterized in that: the photosensitive drum comprises a photosensitive body, a photosensitive drum core, a photosensitive drum gear and a photosensitive drum connector, wherein,
the photosensitive drum gear is fixedly connected to a first end of the photosensitive body, the photosensitive drum connector is fixedly connected to a second end of the photosensitive body, and the first end and the second end are two opposite ends of the photosensitive body respectively;
the sensitization drum core includes first drum core and second drum core, first through-hole has been seted up along its axis direction to sensitization drum gear, first drum core passes first through-hole with sensitization drum gear fixed connection, the second through-hole has been seted up along its axis direction to sensitization drum connector, the second drum core passes the second through-hole with sensitization drum connector fixed connection.
2. The photosensitive drum according to claim 1, wherein: the first drum core is arranged to be a circular ring, and the circular ring is fixedly connected with a protruding part arranged on a first conductive side cover of the developing box.
3. The photosensitive drum according to claim 1, wherein: the second drum core comprises a first connecting part and a second connecting part, the outer peripheral surface of the first connecting part is abutted with the inner peripheral surface of the second through hole, one end surface of the second connecting part is abutted with the end surface of the second through hole, and the second connecting part is fixedly connected with a hole part arranged on a second conductive side cover of the developing box.
4. The photosensitive drum according to claim 3, wherein: and the other end surface of the second connecting part is convexly provided with a connecting column, and the connecting column is connected with the hole part.
5. The photosensitive drum according to claim 1, wherein: the photosensitive drum connector is in a circular ring shape.
6. A developing cartridge, characterized in that: comprising a photosensitive drum according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921627540.7U CN210666337U (en) | 2019-09-27 | 2019-09-27 | Photosensitive drum and developing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921627540.7U CN210666337U (en) | 2019-09-27 | 2019-09-27 | Photosensitive drum and developing box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210666337U true CN210666337U (en) | 2020-06-02 |
Family
ID=70845701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921627540.7U Active CN210666337U (en) | 2019-09-27 | 2019-09-27 | Photosensitive drum and developing box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210666337U (en) |
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2019
- 2019-09-27 CN CN201921627540.7U patent/CN210666337U/en active Active
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