CN210666360U - Developing box - Google Patents
Developing box Download PDFInfo
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- CN210666360U CN210666360U CN201921389872.6U CN201921389872U CN210666360U CN 210666360 U CN210666360 U CN 210666360U CN 201921389872 U CN201921389872 U CN 201921389872U CN 210666360 U CN210666360 U CN 210666360U
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- developing cartridge
- gear
- rotating member
- power receiving
- detecting
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Abstract
The utility model relates to a developing box, including the casing, rotatably install first rotating member and second rotating member in the casing, set up power receiving spare and the detection piece at two longitudinal ends of developing box respectively, power receiving spare is used for receiving drive power from the outside, the detection piece is used for cooperating with external part in order to detect developing box; the first rotating member, the second rotating member, and the detecting member are all rotated by receiving the driving force of the power receiving member; the developing box also comprises a gear set which is arranged on the same side of the detecting piece and is used for transmitting the driving force of the power receiving piece to the detecting piece, at least one part of the gear set is positioned in front of the detecting piece along the front and back direction of the developing box, and the miniaturization capability of the developing box is improved by improving the gear distribution of the developing box.
Description
Technical Field
The utility model relates to a detachably installs the development box in laser printer.
Background
The developing cartridge is an indispensable consumable in a laser printer, in which toner required for development is accommodated, and the toner is supplied to the outside by a rotary member rotatably installed therein, and generally, a first rotary member for supplying toner to the outside and a second rotary member for supplying toner to the first rotary member are rotatably installed in the developing cartridge, and at the same time, in order to prevent caking of toner accommodated in the developing cartridge, a third rotary member for stirring toner is further provided in the developing cartridge, and the third rotary member is provided at an end away from the second rotary member.
In order to identify whether the developing box installed in the printer by the end user is new or not, a detection piece is further arranged in the existing developing box, correspondingly, a detected piece is arranged in the printer, and the printer judges the new or old developing box through the interaction between the detection piece and the detected piece.
Wherein, still be provided with the power receiving part that is used for receiving drive power from the outside in the developing cartridge, the detection piece receives the drive power of power receiving part and works, it is current, detection piece and power receiving part are set up respectively in the both sides of developing cartridge, the drive power of power receiving part is transmitted to the detection piece through the third rotating member, and the third rotating member sets up the one end of keeping away from the second rotating member, for this reason, developing cartridge's both sides all must all need to set up the gear that is used for transmitting drive power, and developing cartridge's the whole side equipartition in both sides has been put with the gear, be unfavorable for developing cartridge and printer's miniaturization.
SUMMERY OF THE UTILITY MODEL
The utility model provides a developing box, the gear distribution through improving developing box is in order to promote the miniaturized ability of developing box to adopt following technical scheme:
a developing cartridge including a casing, a first rotating member and a second rotating member rotatably installed in the casing, power receiving members respectively provided at both longitudinal ends of the developing cartridge for receiving a driving force from the outside, and a detecting member for cooperating with an external part to detect the developing cartridge; the first rotating member, the second rotating member, and the detecting member are all rotated by receiving the driving force of the power receiving member; the developing box also comprises a gear set which is arranged on the same side of the detecting piece and is used for transmitting the driving force of the power receiving piece to the detecting piece, and at least one part of the gear set is positioned in front of the detecting piece along the front and back direction of the developing box.
Preferably, the gear set receives the driving force of the power receiving member through at least one of the first rotating member and the second rotating member.
The gear set includes a sixth gear installed at one end of the first rotating member or the second rotating member, a fifth gear for coupling with the sensing member, and an idle gear between the fifth gear and the sixth gear.
Further, the developing cartridge further includes a third rotating member rotatably mounted in the housing for stirring the toner accommodated in the developing cartridge.
The housing has a first surface and a second surface separated from each other in a left-right direction of the developing cartridge, wherein the power receiving member is located on a left side of the first surface and the detecting member is located on a right side of the second surface.
The third rotating member is not provided with a gear in a projection area of the second surface.
Alternatively, the gear group is located entirely forward of the center of the projection area in the front-rear direction of the developing cartridge.
As described above, the present invention improves the gear distribution of the developing cartridge to improve the miniaturization capability of the developing cartridge.
Drawings
Fig. 1 is a perspective view of a developing cartridge according to the present invention.
Fig. 2 is a partially exploded view of the developing cartridge according to the present invention.
Fig. 3 is a perspective view of the developing cartridge according to the present invention on the side where the detecting member is located.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Fig. 1 is a perspective view of a developing cartridge according to the present invention; fig. 2 is a partially exploded view of the developing cartridge according to the present invention. As shown in the drawing, the mounting direction of the developing cartridge is defined as a front-rear direction, the longitudinal direction of the developing cartridge is defined as a left-right direction, and the thickness direction of the developing cartridge is defined as an up-down direction.
As shown in the drawing, the developing cartridge 1 includes a casing, a first rotating member (developing roller) 6 and a second rotating member (powder feeding roller) 7 rotatably mounted in the casing, and a first end cap 4 and a second end cap 5 respectively located at both longitudinal ends of the casing; wherein the housing includes a lower housing 2 and an upper housing 3 coupled to each other, the lower housing 2 is formed as an accommodation chamber 20 opened at an upper side, carbon powder is accommodated in the accommodation chamber 20, a first rotating member 6 and a second rotating member 7 are rotatably installed in the lower housing 2, and the upper housing 3 is used to cover the opening.
A handle 21 is provided at the rear end of the lower casing 2 in the front-rear direction, the handle 21 extending in the rear direction from the main body of the lower casing 2, a recess 31 is provided at the rear end of the upper casing 3, the handle 21 is formed as a grip portion for an operator when the upper casing 3 is coupled to the lower casing 2, and the recess 31 is formed to receive the fingers of the operator, whereby the developing cartridge 1 can be conveniently picked up; meanwhile, the upper surface of the upper housing 3 is a smooth surface, in other words, the upper surface of the upper housing 3 does not have any protrusion in the up-down direction of the developing cartridge 1, which brings advantages, for example, a manufacturer of the developing cartridge 1 can more easily attach a label containing the developing cartridge to the upper surface of the upper housing 3, and the manufacturer of the developing cartridge 1 can attach a distinguishing feature to the upper surface of the upper housing 3 according to the requirements of an end user or different types of printers to which the developing cartridge 1 is applied, so as to improve the storage efficiency of the housing 3.
Further, the developing cartridge 1 further comprises a third rotating member (stirring member) 8 rotatably mounted in the housing, wherein in operation, the third rotating member 8 is used for stirring the carbon powder in the accommodating chamber 20 to prevent the carbon powder from caking, the third stirring member 8 is also used for conveying the carbon powder to the second rotating member 7 while stirring, the second rotating member 7 is used for supplying the carbon powder to the first rotating member 6, and the first rotating member 6 supplies the carbon powder outwards. The first rotating member 6 includes a first rotating shaft 62 and a first cover layer 61 covering a circumference of the first rotating shaft 62, the second rotating member 7 includes a second rotating shaft 72 and a second cover layer 72 covering a circumference of the second rotating shaft 72, the third rotating member 8 has a tip 81 in a left-right direction, and the housing has a first surface (left surface) 22 and a second surface (right surface) 23 separated from each other.
As described above, in order to support the first rotating member 6 and the second rotating member 7, the left and right ends of the first rotating member 6 and the second rotating member 7 need to be provided with the supporting members along the left and right directions of the developing cartridge 1, as shown in fig. 2, the developing cartridge 1 further includes the first supporting member 63 disposed at one end of the first rotating member 6 and the second supporting member 73 disposed at one end of the second rotating member 7, in the present invention, the first supporting member 63 and the second supporting member 73 are both fixedly mounted on the housing.
As shown in the figure, the developing cartridge 1 further comprises a power receiving member 10 for receiving a driving force and a detecting member 11 for combining with a detected member in the printer to judge whether the developing cartridge 1 is a new one, the power receiving member 10 is exposed through the first end cover 4, and the detecting member 11 is exposed through the second end cover 5; meanwhile, the developing cartridge 1 further includes a first protrusion 13 for rotatably supporting the power receiving element 10 and a second protrusion 12 for rotatably supporting the detecting member 11, wherein the power receiving element 10 and the detecting member 11 are respectively located at both sides of the developing cartridge 1 in the left-right direction, and correspondingly, the first protrusion 13 and the second protrusion 12 are also respectively located at both sides of the developing cartridge 1, and both the first protrusion 13 and the second protrusion 12 extend in the left-right direction of the developing cartridge 1 and are respectively located at the left side of the first surface 22 and the right side of the second surface 23, and the power receiving element 10 and the detecting member 11 are respectively rotated around the first protrusion 13 and the second protrusion 12.
The detecting member 11 is rotated by receiving the driving force of the power receiving member 10, and thus, the developing cartridge 1 further includes a gear set 9 for transmitting the driving force, and the driving force is transmitted to the corresponding components through the gear set 9 after the driving force is received by the power receiving member 10; the gear set 9 includes a left gear set 91 on the left side of the first surface 22 and a right gear set 92 on the right side of the second surface 23, one of the left and right gear sets 91 and 92 is combined with the power receiving member 10, and transmits a driving force to the right gear set 92 or the left gear set 91 through at least one of the first and second rotating members 6 and 7.
Hereinafter, the power receiving member 10 is located at the left side of the developing cartridge 1, and the detecting member 11 is located at the right side of the developing cartridge 1, in which case, the power receiving member 10 is combined with the left gear set 91, and the detecting member 11 is combined with the right gear set 92; the second rotating member 7 is closer to the detecting member 11 than the first rotating member 6 is to the detecting member 11, and therefore, the present invention is described by taking as an example that the second rotating member 7 transmits the driving force from the power receiving member 10 to the detecting member 11.
Referring to fig. 2, the left gear set 91 includes a power transmission gear 911 coupled to the power receiving part 10, a first gear 913 for coupling to the first rotating member 6, a second gear 912 for coupling to the second rotating member 7, and a third gear 915 for coupling to the tip 81 of the stirring member 8, wherein the power transmission gear 911 directly or indirectly transmits the driving force received by the power receiving part 10 to the first gear 913, the second gear 912, and the third gear 913, thereby driving the first rotating member 6, the second rotating member 7, and the third rotating member 8 to rotate.
The right gear set 92 includes a sixth gear 923 for coupling with the other end of the second rotation shaft 72 and a fifth gear 922 for coupling with the sensing piece 11, wherein the fifth gear 922 receives the driving force of the sixth gear 923 to rotate, and thus the driving force is transmitted to the fifth gear 922 through the second gear 913, the second rotating member 7, and the sixth gear 921, and finally, the sensing piece 11 is driven to rotate.
In connection with the specific structure of the developing cartridge 1, the left gear set 91 further includes a first idle gear 914, and the first gear 913 and the second gear 912 are both directly engaged with the power transmission gear 911, and at the same time, the power transmission gear 911 is also engaged with the idle gear 914, and the idle gear 914 is engaged with the third gear 915, and preferably, the power transmission gear 911 is integrally formed with the power receiving member 10, both of which are rotatably supported by the first projection 13.
Fig. 3 is a perspective view of the developing cartridge according to the present invention on the side where the detecting member is located.
As shown in fig. 3, in order to adjust the rotation direction of the sensing member 11 and control the rotation speed of the sensing member 11, the right gear set 92 further includes a second idle gear 924 between the sixth gear 923 and the fifth gear 922, and thus, the driving force received by the power receiving member 10 is smoothly transmitted to the sensing member 11.
Further, along the left and right direction of developing cartridge 1, set for the projection face of third rotating member 8 at second surface 23 to be S, the utility model discloses in, do not set up the gear in the projection region S, and right gear group 92 wholly is located the place ahead of projection region S, and at least right gear group 92 wholly is located the place ahead at projection region S center, that is to say, need not arrange the gear in the region at least projection region S place, and the gear overall arrangement on developing cartridge 1 right side can be simplified, is favorable to developing cartridge 1' S miniaturization.
Further, the driving force of the power receiving element 10 is transmitted to the detecting element 11 through the second rotating element 7, however, the driving force of the power receiving element 10 is transmitted to the detecting element 11 through the first rotating element 7, so as to achieve the purpose of facilitating the miniaturization of the developing cartridge 1, at this time, the sixth gear 923 is combined with the other end of the first rotating shaft 62, and along the front-back direction of the developing cartridge 1, the whole right gear set 92 is still located in front of the projection surface S, and at least a part of the right gear set 92 is located in front of the detecting element 11, and more preferably, at least one of the sixth gear 923 and the second idle gear 922 is located in front of the detecting element 11.
As described above, in the present invention, the gear distribution for transmitting the driving force of the power receiving member 10 to the detecting member 11 is improved, that is, at least a part of the gears for transmitting the driving force to the detecting member in the right gear set is located in front of the detecting member 11 along the front-rear direction of the developing cartridge 1, or the right gear set 92 is located in front of the center of the projection area S as a whole with respect to the projection area S of the third rotating member 8 on the second surface 23, so that the gear layout on the right side of the developing cartridge 1 is simplified, which is advantageous for the miniaturization of the developing cartridge 1.
Claims (7)
1. A developing cartridge including a casing, a first rotating member and a second rotating member rotatably installed in the casing, power receiving members respectively provided at both longitudinal ends of the developing cartridge for receiving a driving force from the outside, and a detecting member for cooperating with an external part to detect the developing cartridge;
the first rotating member, the second rotating member, and the detecting member are all rotated by receiving the driving force of the power receiving member;
the developing box is characterized by further comprising a gear set which is arranged on the same side as the detecting piece and used for transmitting the driving force of the power receiving piece to the detecting piece, and at least one part of the gear set is located in front of the detecting piece along the front-back direction of the developing box.
2. A developing cartridge according to claim 1, wherein said gear train receives the driving force of the power receiving member through at least one of the first rotating member and the second rotating member.
3. A developing cartridge according to claim 2, wherein said gear group includes a sixth gear installed at one end of the first rotating member or the second rotating member, a fifth gear for coupling with the detecting member, and an idle gear between the fifth gear and the sixth gear.
4. A developing cartridge according to claim 1, further comprising a third rotating member rotatably mounted in the casing for stirring the toner accommodated in the developing cartridge.
5. A developing cartridge according to claim 4, wherein the casing has a first surface and a second surface separated from each other in a left-right direction of the developing cartridge, wherein the power receiving member is located on a left side of the first surface, and the detecting member is located on a right side of the second surface.
6. A developing cartridge according to claim 5, wherein the third rotary is provided with no gear in a projected area of the second surface.
7. A developing cartridge according to claim 5, wherein the gear train is located entirely forward of a center of the projection area in a front-rear direction of the developing cartridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921389872.6U CN210666360U (en) | 2019-08-24 | 2019-08-24 | Developing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921389872.6U CN210666360U (en) | 2019-08-24 | 2019-08-24 | Developing box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210666360U true CN210666360U (en) | 2020-06-02 |
Family
ID=70841226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921389872.6U Active CN210666360U (en) | 2019-08-24 | 2019-08-24 | Developing box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210666360U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114137807A (en) * | 2021-11-19 | 2022-03-04 | 珠海市拓佳科技有限公司 | Developing box |
-
2019
- 2019-08-24 CN CN201921389872.6U patent/CN210666360U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114137807A (en) * | 2021-11-19 | 2022-03-04 | 珠海市拓佳科技有限公司 | Developing box |
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