CN210155514U - Developing box - Google Patents
Developing box Download PDFInfo
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- CN210155514U CN210155514U CN201921406750.3U CN201921406750U CN210155514U CN 210155514 U CN210155514 U CN 210155514U CN 201921406750 U CN201921406750 U CN 201921406750U CN 210155514 U CN210155514 U CN 210155514U
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- power receiving
- rotating
- developing cartridge
- power
- receiving member
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Abstract
The utility model relates to a developing box, which comprises a shell, a first rotating piece and a second rotating piece which are rotatably arranged in the shell, and an electric power receiving piece arranged at one end of the shell; the power receiving part is used for receiving power from the outside and simultaneously supplying power to the first rotating piece and the second rotating piece; the power receiving part is directly and electrically connected with one of the first rotating part and the second rotating part, and the power receiving part is electrically connected with the other one of the first rotating part and the second rotating part through an electronic component; and the type of the electronic component is determined according to the rotary member to which the power receiving member is directly attached, the packing size of the developing cartridge can be reduced because one power receiving member, which should be protrudingly provided, is reduced.
Description
Technical Field
The utility model relates to a laser printing field especially relates to a detachably installs developing box in laser printer.
Background
Conventionally, a developing cartridge installed in a laser printer contains toner required for developing, and during the operation of the developing cartridge, the developing cartridge also needs to receive driving force and electric power from the printer respectively, wherein the driving force is used for driving a rotating member in the developing cartridge to rotate, and the electric power is used for supplying the corresponding component in the developing cartridge, so that the toner particles complete the migration action required for developing.
The existing developing box is provided with a developing roller for supplying carbon powder to the outside and a powder feeding roller for supplying the carbon powder to the developing roller, when the developing box works, the developing roller and the powder feeding roller are both required to be supplied with power, and because the developing roller and the powder feeding roller have different functions and the supplied power is different, the developing box is required to be provided with power receiving parts for receiving the power respectively for the developing roller and the powder feeding roller.
However, in order to ensure stable power reception by the power receiving portion, which needs to be provided to protrude with respect to the developing cartridge housing, this design is disadvantageous in downsizing the package of the developing cartridge.
SUMMERY OF THE UTILITY MODEL
The utility model provides a developing box, wherein the part that is used for receiving electric power for developing roller and powder feed roller only sets up one to reach the purpose of reducing developing box packing size, the utility model discloses a following technical scheme:
a developing cartridge includes a casing, first and second rotating members rotatably mounted in the casing, and a power receiving member mounted at one end of the casing; the power receiving part is used for receiving power from the outside and simultaneously supplying power to the first rotating piece and the second rotating piece; the power receiving part is directly and electrically connected with one of the first rotating part and the second rotating part, and the power receiving part is electrically connected with the other one of the first rotating part and the second rotating part through an electronic component; and the type of the electronic component is determined according to the rotating member to which the power receiving member is directly connected.
When the power receiving part is directly and electrically connected with the first rotating part, a voltage reduction device needs to be arranged between the power receiving part and the second rotating part; when the power receiving part is directly electrically connected with the second rotating part, a voltage boosting device needs to be arranged between the power receiving part and the first rotating part.
The developing cartridge further includes a driving force receiver mounted at the other end of the housing for receiving a driving force from the outside to drive the first and second rotary members to rotate.
The developing cartridge further includes a detecting member mounted on the same side as the driving force receiving member, the detecting member being for interacting with an external component to determine whether the developing cartridge is a new one.
The developing cartridge further includes an end cap mounted on the same side as the power receiving member, the power receiving member being fixedly mounted on the end cap.
The housing has an outer surface on a side where the power receiving element is located, and a portion of the power receiving element protrudes outward from the outer surface.
As described above, the developing cartridge of the present invention reduces one of the originally protruding power receiving members, and therefore, the packaging size of the developing cartridge can be reduced.
Drawings
Fig. 1 is a schematic view of the overall structure of a developing cartridge according to the present invention.
Fig. 2 is an exploded view of a part of the developing cartridge according to the present invention.
Fig. 3A is a perspective view of a conductive terminal in the developing cartridge according to the present invention.
Fig. 3B is a partially enlarged schematic view of a conductive terminal in the developing cartridge according to the present invention.
Fig. 4 is a partial circuit block diagram of a conductive terminal in the developing cartridge according to the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Fig. 1 is a schematic view of an overall structure of a developing cartridge according to the present invention; fig. 2 is an exploded schematic view of part of a developing cartridge according to the present invention; fig. 3A is a perspective view of a conductive terminal in the developing cartridge according to the present invention; fig. 3B is a partially enlarged schematic view of a conductive terminal in the developing cartridge according to the present invention; fig. 4 is a partial circuit block diagram of a conductive terminal in the developing cartridge according to the present invention.
As shown in the drawing, the developing cartridge C is mounted in the direction indicated by a, and includes a casing 10, a first end cap 11 and a second end cap 12 respectively located on both sides of the casing 10, a first rotating member (developing roller) 40 and a second rotating member (powder feeding roller) 50 rotatably mounted in the casing 10, a driving force receiving member 30 mounted on the same side as the first end cap 11, and a power receiving member (conductive sheet) 60 mounted on the same side as the second end cap 12; the driving force receiving member 30 is for receiving a driving force from the outside to drive the first rotating member 40 and the second rotating member 50 to rotate, and at the same time, the developing cartridge C further includes a detecting member 30 mounted on the casing 10, the detecting member 30 is for interacting with a detected member provided in the printer when the developing cartridge C is mounted to the printer, and the printer judges whether the developing cartridge C is a new developing cartridge according to the interaction result; the power receiving element 60 is fixedly mounted on the second end cap 12.
The developing cartridge C has opposite ends defining one end mounted with the driving force receiving member 30 as a driving end and one end mounted with the power receiving member 60 as a conductive end, the detecting member 30 is mounted at the driving end, and the casing 10 has an outer surface, as shown in fig. 3A, the casing 10 has an outer surface 13 at the conductive end, and a portion of the power receiving member 60 protrudes outward from the outer surface 13, in a length direction perpendicular to the mounting direction a of the developing cartridge C.
Carbon powder required for development is accommodated in the housing 10, the first rotating member 40 for supplying the carbon powder outwardly, and the second rotating member 50 is installed upstream of the first rotating member 40 in the installation direction a for supplying the carbon powder stored in the housing 10 to the first rotating member 40; as shown in fig. 2, the first rotary member 40 has a first rotary shaft 41 rotating about a first axis a1, and the second rotary member 50 has a second rotary shaft 51 rotating about a second axis a2, i.e. the second axis a2 is located upstream of the first axis a 1; the power receiving member 60 is for receiving power supplied to the first and second rotating members 40 and 50 from the printer; as shown in fig. 3B, the power receiving member 60 abuts against the tip end face of the first rotating shaft 41, and the first rotating shaft 41 does not exceed the casing outer surface 13, the first rotating shaft 41 can use less material, and the first rotating shaft 41 does not exceed the casing 10 outer surface 13, which is more advantageous for reducing the package size of the developing cartridge C.
Further, only one power receiving member 60 is provided in the developing cartridge C for supplying power to the first rotating member 40 and the second rotating member 50 at the same time, that is, the power receiving member 60 is electrically connected directly to one of the first rotating member 40 and the second rotating member 50, and the power receiving member 60 is electrically connected to the other of the first rotating member 40 and the second rotating member 50 through electronic components; as described above, since the voltage supplied to the first rotating member 40 and the second rotating member 50 by the printer is different, generally, the voltage supplied to the first rotating member 40 by the printer is larger than the voltage supplied to the second rotating member 50, and therefore, when the power supply method described in this embodiment is adopted, the type of the electronic component to be provided between the power receiving member 60 and the other rotating member is determined according to the rotating member to which the power receiving member 60 is directly electrically connected. Specifically, when the power receiving element 60 is directly electrically connected to the first rotating shaft 41, a voltage dropping device is further provided between the power receiving element 60 and the second rotating shaft 51; when the power receiving element 60 is directly electrically connected to the second rotating shaft 51, a voltage boosting device is further provided between the power receiving element 60 and the second rotating shaft 51.
In the embodiment of the present invention, the power source 100 for supplying power in the printer is electrically connected to the power receiving element 60 directly, as shown in fig. 3B and fig. 4, the developing cartridge is provided with a developing cartridge, the power receiving element 60 is electrically connected to the power receiving element 60 directly, the power receiving element 60 is electrically connected to the rotating shaft 41 of the first rotating element 40 directly, a first voltage reducing device 91 is further required to be disposed between the power receiving element 60 and the second rotating shaft 51, and the first voltage reducing device 91 is a resistor, and further, the second voltage reducing device 92 is disposed between the second rotating shaft 51 and the ground line, and the first voltage reducing device 91 and the second voltage reducing device 92 jointly form a voltage adjusting component, so that the power supplied to the first rotating shaft 41 is applicable to the second rotating shaft 51 after being adjusted by the voltage adjusting component.
Similarly, when the power receiving element 60 is directly electrically connected to the second rotating shaft 51, the same effect can be achieved by only changing the voltage step-down device to the voltage step-up device.
As described above, the developing cartridge C of the present invention eliminates the power receiving element of one of the first rotating element 40 and the second rotating element 50, only one of the power receiving elements 60 is retained, and at the same time, the electronic components required to be disposed between the power receiving element 60 and the other rotating element are determined according to the rotating element to which the power receiving element 60 is directly electrically connected, and the electronic components can be mounted in the second cover 12 in a hidden manner, and since one of the power receiving elements which should be disposed in a protruding manner is reduced, the packaging size of the developing cartridge C can be reduced.
Claims (6)
1. A developing cartridge includes a casing, first and second rotating members rotatably mounted in the casing, and a power receiving member mounted at one end of the casing;
the power receiving part is used for receiving power from the outside and simultaneously supplying power to the first rotating piece and the second rotating piece;
it is characterized in that the preparation method is characterized in that,
the power receiving part is directly and electrically connected with one of the first rotating part and the second rotating part, and the power receiving part is electrically connected with the other one of the first rotating part and the second rotating part through an electronic component;
and the type of the electronic component is determined according to the rotating member to which the power receiving member is directly connected.
2. A developing cartridge according to claim 1, wherein when the power receiving member is directly electrically connected to the first rotary member, a voltage reducing device is provided between the power receiving member and the second rotary member; when the power receiving part is directly electrically connected with the second rotating part, a voltage boosting device needs to be arranged between the power receiving part and the first rotating part.
3. A developing cartridge according to claim 2, further comprising a driving force receiving member mounted at the other end of the casing for receiving a driving force from outside to drive the first rotary member and the second rotary member to rotate.
4. A developing cartridge according to claim 3, further comprising a detecting member mounted on the same side as the driving force receiving member, for interacting with an external member to judge whether the developing cartridge is a new one.
5. A developing cartridge according to claim 1, further comprising an end cap mounted on the same side as the power receiving member, the power receiving member being fixedly mounted on the end cap.
6. A developing cartridge according to claim 1, wherein the casing has an outer surface on a side where the power receiving member is located, a part of said power receiving member protruding outward from the outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921406750.3U CN210155514U (en) | 2019-08-27 | 2019-08-27 | Developing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921406750.3U CN210155514U (en) | 2019-08-27 | 2019-08-27 | Developing box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210155514U true CN210155514U (en) | 2020-03-17 |
Family
ID=69767182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921406750.3U Active CN210155514U (en) | 2019-08-27 | 2019-08-27 | Developing box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210155514U (en) |
-
2019
- 2019-08-27 CN CN201921406750.3U patent/CN210155514U/en active Active
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