CN201188174Y - Holding component and developing box with the same - Google Patents
Holding component and developing box with the same Download PDFInfo
- Publication number
- CN201188174Y CN201188174Y CNU2008200469870U CN200820046987U CN201188174Y CN 201188174 Y CN201188174 Y CN 201188174Y CN U2008200469870 U CNU2008200469870 U CN U2008200469870U CN 200820046987 U CN200820046987 U CN 200820046987U CN 201188174 Y CN201188174 Y CN 201188174Y
- Authority
- CN
- China
- Prior art keywords
- delevoping cartridge
- developer
- retaining member
- sway brace
- developer roll
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a holding component for a developing box, which comprises a middle arm and supporting arms arranged at both end parts of the middle arm. Except for a supporting position for supporting a developing roller, a supporting position for supporting a supply roller and/or a recovery component is also arranged on the supporting arm. At least one of the supply roller and the recovery component on the developing box can be supported by the holding component effectively together with the developing roller and a component for limiting the later thickness of a developing agent, thereby improving the positioning accuracy and the stability between the supply roller and the recovery component, as well as the developing roller and the component for limiting the later thickness of the developing agent, enabling the mutual driving relation and other mutual position relations to be effectively ensured; and the accuracy and the strength requirements to the frame of the developing box can also be reduced simultaneously. In addition, the utility model also discloses a developing box with the holding component.
Description
Technical field
The utility model relates to a kind of retaining member that is applied on the Delevoping cartridge, and this retaining member is used to support the service part on the Delevoping cartridge, for example developer roll, developer bed thickness limiting member etc.; Relate to a kind of Delevoping cartridge in addition with this retaining member.
Background technology
The US6125250 US Patent specification has disclosed a kind of developing apparatus, it comprises the Delevoping cartridge framework of receiving photographic developer, donor rollers, reclaim member, developer roll and the developer bed thickness limiting member that is used under pressure, contacting developer roll, donor rollers is arranged in a side of developer roll and rotates the contact developer roll, developer bed thickness limiting member is arranged to respect to the position of described developer roll rotation direction at the downstream of described developer supply roller contact developer roll, so that form thin developer layer to the developer triboelectric charging and on developer roll, rotation is formed with the developer roll of developer layer so that developer layer is transported on the photosensitive drums that is formed with electrostatic latent image, thereby converts the electrostatic latent image on the photosensitive drums to visual developer image.In the developing apparatus of said structure, developer roll and developer bed thickness limiting member are supported on the retaining member that is fixed in the Delevoping cartridge framework, donor rollers and recovery member then are directly to be supported on the Delevoping cartridge framework, because donor rollers and recovery member are not supported on the retaining member, but directly be supported on the Delevoping cartridge framework that plastics make, therefore in actual manufacturing and assembling process, often be not easy to keep developer bed thickness limiting member, developer roll, donor rollers and reclaim member stable relation each other, and to the precision of Delevoping cartridge framework and requirement of strength than higher.
Summary of the invention
A purpose of the present utility model is to provide a kind of retaining member that is used for Delevoping cartridge, can improve donor rollers on the Delevoping cartridge and reclaim at least one and developer roll and developer bed thickness limiting member bearing accuracy and stability each other in the member, reduction is to the precision and the requirement of strength of Delevoping cartridge framework.
Another purpose of the present utility model is to provide a kind of Delevoping cartridge with above-mentioned retaining member.
For realizing above-mentioned first purpose, the utility model provides a kind of retaining member that is used for Delevoping cartridge, comprises intermediate arm and the sway brace that is positioned at its both ends; Have the support level that supports developer roll on the described sway brace, also have the support level that supports donor rollers and/or reclaim member simultaneously.
Further, described support level can be supported hole or support slot.
Be preferably integrated formed structure between the sway brace at described intermediate arm and its both ends.
Described intermediate arm has developer bed thickness limiting member stationary plane, is used for fixing developer bed thickness limiting member.
Compared with prior art, the utility model retaining member has following advantage:
1) can be effectively donor rollers on the Delevoping cartridge and reclaim in the middle of the member at least one be supported on developer roll, developer bed thickness limiting member, thereby improved their mutual bearing accuracy and stability, mutual drive connection and other mutual alignment relation between them are effectively guaranteed; 2) can reduce precision and requirement of strength to the Delevoping cartridge framework.
For realizing above-mentioned second purpose, the utility model provides a kind of Delevoping cartridge with above-mentioned retaining member, comprises the Delevoping cartridge framework of receiving photographic developer; Be fixed on the retaining member of described Delevoping cartridge frame front, this retaining member comprises intermediate arm and is positioned at the sway brace at its both ends, has the support level that supports developer roll on the described sway brace; Wherein, also has the support level that supports donor rollers and/or reclaim member on the described sway brace.
Described support level is supported hole or support slot.Structure is formed in one between the sway brace at described intermediate arm and its both ends.Described intermediate arm has developer bed thickness limiting member stationary plane.
Compared with prior art, the utility model Delevoping cartridge has following advantage:
1) can be effectively the donor rollers on this Delevoping cartridge and reclaim in the middle of the member at least one be supported on developer roll, developer bed thickness limiting member, thereby improved their mutual bearing accuracy and stability, mutual drive connection and other mutual alignment relation between them are effectively guaranteed; 2) can reduce precision and requirement of strength to its Delevoping cartridge framework.
Description of drawings
Fig. 1 is the stereographic map of a kind of better embodiment of the utility model Delevoping cartridge;
Fig. 2 is the stereographic map of Delevoping cartridge shown in Figure 1 when having omitted loam cake;
Fig. 3 is the stereographic map at another visual angle of Delevoping cartridge shown in Figure 2;
Fig. 4 is the stereographic map of the retaining member in the Delevoping cartridge shown in Figure 1;
Fig. 5 is the stereographic map at another visual angle of retaining member shown in Figure 4;
Fig. 6 is the assembly relation synoptic diagram between donor rollers, developer roll and recovery member and the retaining member;
Fig. 7 is another visual angle synoptic diagram of assembly relation shown in Figure 6;
Fig. 8 is the assembly relation synoptic diagram that Fig. 6 has omitted developer roll;
Fig. 9 is assembled to structural representation on the Delevoping cartridge framework with the subassembly that developer bed thickness limiting member and retaining member are formed;
Figure 10 is with donor rollers and reclaims member and be assembled to structural representation on the retaining member;
Figure 11 is assembled to structural representation on the Delevoping cartridge framework with loam cake.
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Embodiment
Referring to Fig. 1 to Fig. 3, a kind of preferred embodiment of the utility model Delevoping cartridge comprises: roughly be Delevoping cartridge framework 1, puddle support 2, donor rollers 3, the developer roll 4 of rectangular parallelepiped, recovery member 8 (see figure 8)s etc. that are used under pressure developer bed thickness limiting member 5 (see figure 8)s of contact developer roll and are used to reclaim developer.Puddle support 2, donor rollers 3, developer roll 4, developer bed thickness limiting member 5 and recovery member 8 are arranged in the Delevoping cartridge framework 1, and the cavity around the puddle support 2 is used for receiving photographic developer.The front portion of Delevoping cartridge framework 1 is fixed with a retaining member 7, and donor rollers 3, developer roll 4, developer bed thickness limiting member 5 and recovery member 8 all are supported on this retaining member 7.Donor rollers 3 is arranged in the inboard of developer roll 4 and rotates contact developer roll 4, developer bed thickness limiting member 5 is arranged to respect to the position of developer roll 4 rotation directions at the downstream of donor rollers 3 contact developer roll 4, so that form thin developer layer to the developer triboelectric charging and on developer roll 4, rotation is formed with the developer roll 4 of developer layer so that developer layer is transported on the photosensitive drums that is formed with electrostatic latent image, thereby converts the electrostatic latent image on the photosensitive drums to visual developer image.
Delevoping cartridge framework 1 has a loam cake 11 that is connected on Delevoping cartridge framework 1 main body, Delevoping cartridge framework 1 main body comprises: relative in the longitudinal direction left side wall 12 and right side wall 13, the rear wall 14 that connects the rear part edge of two side 12,13, the diapire 15 relative with loam cake 11, the outside surface of rear wall 14 is connected with a handle 16.The forward edge of loam cake 11, diapire 15, left side wall 12 and right side wall 13 is formed with an opening 17 that developer roll 4 is exposed.The top of developer roll 4, below and both ends are provided with sealing strip 41, end seal 42,43 and lower seal bar respectively.One gear mechanism 6 is arranged on the left side wall 12, this gear mechanism 6 comprises driving force input gear 61 and the gear set 62 that is meshed with this driving force input gear 61, this gear set 62 comprises puddle support driven wheel, donor rollers driven wheel, developer roll driven wheel and reclaims the member drives gear, like this, the driving force by 61 inputs of driving force input gear just passes to puddle support 2, donor rollers 3, developer roll 4 and reclaims member 8 by gear set 62.
During Delevoping cartridge work, the driving force of imaging device is passed to puddle support 2 by gear mechanism 6, again by the developer in the puddle support 2 rotation stirring Delevoping cartridge frameworks 1; By the stirring of puddle support 2, developer is transported to donor rollers 3, and donor rollers 3 is given developer feeding the developer roll 4 that forms the mutual extrusion contact with it by rotation.
Referring to Fig. 4 to Fig. 8, this retaining member 7 comprises the left sway brace 72 and the right sway brace 73 that are parallel to the intermediate arm 71 of developer roll 4 axis and are positioned at these intermediate arm 71 both ends, the sheet metal component that is formed in one between intermediate arm 71, left sway brace 72 and the right sway brace 73.Wherein, a left side has a developer roll supported hole 721, donor rollers supported hole 722 and one on the sway brace 72 and reclaims member supports hole 723, has a developer roll support slot 731, donor rollers support slot 732 and one on the right sway brace 73 and reclaims member supports hole 733.71 of intermediate arms utilize the developer bed thickness limiting member stationary plane in its inboard or the outside to cooperate with a fixed strip 711, by screw developer bed thickness limiting member 5 is fixed on the intermediate arm 71, and makes side-lower contact developer roll 4 surfaces of developer bed thickness limiting member 5 from developer roll 4.
Referring to Fig. 9 to Figure 11, the installation step of above-mentioned Delevoping cartridge is as follows: 1) at first developer bed thickness limiting member 5 and retaining member 7 are assembled; 2) subassembly of then developer bed thickness limiting member 5 and retaining member 7 being formed laterally is assembled on the Delevoping cartridge framework 1 from Delevoping cartridge framework 1 the place ahead, utilizes screw that retaining member 7 is fixed on the Delevoping cartridge framework 1 after locating; 3) again donor rollers 3 and recovery member 8 are assembled on the retaining member 7; 4) loam cake 11 and other parts are assembled on the Delevoping cartridge framework 1; 5) at last developer roll 4 and other parts are all assembled, form Delevoping cartridge shown in Figure 1.
Above-described only is preferred implementation of the present utility model, under the prerequisite that does not break away from the present utility model design, part-structure to retaining member and Delevoping cartridge can also improve or replace, for example, can be fixed together by screw etc. between the intermediate arm of retaining member and the left and right supporting arms, but not one-body molded; Except the developer roll support level was set, the roller support level of can only increasing supply, and reclaim member supports on the Delevoping cartridge framework also can only increase and reclaim the member supports position, and donor rollers was supported on the Delevoping cartridge framework on the left and right supporting arms.Of this sort embodiment all belongs to protection domain of the present utility model.
Claims (8)
1, a kind of retaining member comprises
Intermediate arm and the sway brace that is positioned at its both ends;
Has the support level that supports developer roll on the described sway brace;
It is characterized in that:
Also has the support level that supports donor rollers and/or reclaim member on the described sway brace.
2, retaining member according to claim 1 is characterized in that:
Described support level is supported hole or support slot.
3, retaining member according to claim 2 is characterized in that:
Structure is formed in one between the sway brace at described intermediate arm and its both ends.
4, retaining member according to claim 3 is characterized in that:
Described intermediate arm has developer bed thickness limiting member stationary plane.
5, a kind of have a Delevoping cartridge of retaining member according to claim 1, comprises
The Delevoping cartridge framework of receiving photographic developer;
Be fixed on the retaining member of described Delevoping cartridge frame front, this retaining member comprises intermediate arm and is positioned at the sway brace at its both ends, has the support level that supports developer roll on the described sway brace;
It is characterized in that:
Also has the support level that supports donor rollers and/or reclaim member on the described sway brace.
6, Delevoping cartridge according to claim 5 is characterized in that:
Described support level is supported hole or support slot.
7, Delevoping cartridge according to claim 6 is characterized in that:
Structure is formed in one between the sway brace at described intermediate arm and its both ends.
8, Delevoping cartridge according to claim 7 is characterized in that:
Described intermediate arm has developer bed thickness limiting member stationary plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200469870U CN201188174Y (en) | 2008-04-23 | 2008-04-23 | Holding component and developing box with the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200469870U CN201188174Y (en) | 2008-04-23 | 2008-04-23 | Holding component and developing box with the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201188174Y true CN201188174Y (en) | 2009-01-28 |
Family
ID=40311197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200469870U Expired - Fee Related CN201188174Y (en) | 2008-04-23 | 2008-04-23 | Holding component and developing box with the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201188174Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102109793A (en) * | 2009-12-25 | 2011-06-29 | 兄弟工业株式会社 | Developing device |
| US8781377B2 (en) | 2009-12-25 | 2014-07-15 | Brother Kogyo Kabushiki Kaisha | Developing device |
| CN113110007A (en) * | 2015-12-25 | 2021-07-13 | 兄弟工业株式会社 | Developing box |
-
2008
- 2008-04-23 CN CNU2008200469870U patent/CN201188174Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102109793A (en) * | 2009-12-25 | 2011-06-29 | 兄弟工业株式会社 | Developing device |
| US8417131B2 (en) | 2009-12-25 | 2013-04-09 | Brother Kogyo Kabushiki Kaisha | Developing device |
| US8781377B2 (en) | 2009-12-25 | 2014-07-15 | Brother Kogyo Kabushiki Kaisha | Developing device |
| CN102109793B (en) * | 2009-12-25 | 2014-11-12 | 兄弟工业株式会社 | Developing device |
| US9280082B2 (en) | 2009-12-25 | 2016-03-08 | Brother Kogyo Kabushiki Kaisha | Developing device |
| CN113110007A (en) * | 2015-12-25 | 2021-07-13 | 兄弟工业株式会社 | Developing box |
| US11988977B2 (en) | 2015-12-25 | 2024-05-21 | Brother Kogyo Kabushiki Kaisha | Developing cartridge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090128 |