CN201107563Y - Developing box - Google Patents
Developing box Download PDFInfo
- Publication number
- CN201107563Y CN201107563Y CNU2007200592796U CN200720059279U CN201107563Y CN 201107563 Y CN201107563 Y CN 201107563Y CN U2007200592796 U CNU2007200592796 U CN U2007200592796U CN 200720059279 U CN200720059279 U CN 200720059279U CN 201107563 Y CN201107563 Y CN 201107563Y
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- developer
- air
- chamber
- venthole
- admission hole
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Abstract
The utility model discloses a developer cartridge comprising a developer box with a chamber of containing developer. The wall of the developer box is equipped with an air inlet and an air vent mutually communicated via the chamber of containing developer. The air inlet and the air vent are sealed via a separable sealing element. When the air inlet is in a vacuum atmosphere via a breathing apparatus, due to the communication of the air inlet and the air vent, the air vent can be used to increase the air pressure in the chamber of containing developer via the outer atmosphere or air charging unit, therefore a continuous air flow is formed in the chamber of containing developer to cause the residual developer in the chamber of containing developer to be taken out with the air flow. As a result, the residual developer can be easily and conveniently removed without disassembly of the developing component, thereby not causing environment pollution and promoting product quality and production efficiency.
Description
Technical field
The present invention relates to a kind of Delevoping cartridge that is used for image processing systems such as laser printer or duplicating machine.
Background technology
At present, the Delevoping cartridge that is filled with developer is installed in the image processing systems such as laser printer or duplicating machine in the mode that can freely insert and remove.This Delevoping cartridge is divided into a developer storehouse and a developing chamber usually.Fill developer in the developer storehouse and be equipped with a stirrer, developing chamber then is equipped with a donor rollers, a developer roll that is arranged on the donor rollers opposite, and a developer thickness adjusted blade that is pressed against to the developer roll surface.When power when image processing system is transfused to this Delevoping cartridge by gear train, the developer in the developer storehouse is sent to developing chamber by the rotation of stirrer.Then, the developer that is sent to developing chamber offers developer roll by the rotation of donor rollers.At this moment, developer is recharged by frictional electricity between donor rollers and developer roll.And when developer roll rotated, the developer that offers the developer roll surface rotated with developer roll and arrives the thickness adjusted blade, after the thickness adjusted blade adjustment, forms the thin layer of uniform thickness on the developer roll surface.When Delevoping cartridge was installed in the image processing system, developer roll was placed in the opposite of photosensitive drums.The developer of the skim that forms when developer roll surface is come the opposite of photosensitive drums, and developer is delivered to the electrostatic latent image district of photosensitive drum surface, then, is transferred to by transferring roller and forms image on the medium.
Developer in the developer storehouse is consumed in the above described manner.After developer used up, image processing system provided the demonstration of " developer is used up " and points out the user to change Delevoping cartridge.Therefore, the user need remove used Delevoping cartridge and new Delevoping cartridge is installed.
But, in recent years,, do not abandon used Delevoping cartridge from the viewpoint of recycle, it is full of developer again and reuses and become very general.When recharging used Delevoping cartridge with new developer, must remove residual developer in the used Delevoping cartridge, make residual developer can not influence packing into of new developer and use.
In traditional handicraft,, after the developing device of Delevoping cartridge need being dismantled, utilize negative pressure the developer in the Delevoping cartridge to be drawn in the mode of opening wide fully again so that remove fully as removing the residue developer in the Delevoping cartridge.Owing to need pull down developing device, easily cause developing device to be subjected to outside contamination, be unfavorable for product quality; And the method for the removing of this complete open type residue developer can make developer fly away contaminated environment everywhere.
Summary of the invention
The purpose of this utility model is to provide a kind of need not dismantle the Delevoping cartridge that developing device can conveniently be removed the residue developer.
For achieving the above object, the utility model has adopted following technical scheme: design a kind of Delevoping cartridge, comprise the developer storehouse with developer-accommodating chamber, the bulkhead in described developer storehouse is provided with by described developer-accommodating chamber and forms air admission hole and the venthole that gaseous state is communicated with; Described air admission hole and venthole are sealed by separable seal.
Preferably, described bulkhead comprises antetheca, left end wall and right-hand member wall; Described air admission hole and venthole are positioned on the described antetheca, and respectively near described left end wall and right-hand member wall.
Described air admission hole or venthole can be rectangle, square, circular, ellipse or triangle.
Delevoping cartridge of the present utility model is provided with air admission hole that replenishes air pressure and the venthole that reduces air pressure on the bulkhead in its developer storehouse, air admission hole forms gaseous state with venthole by the developer-accommodating chamber and is communicated with, when adding a negative pressure to air admission hole by getter device, because air admission hole communicates with venthole, venthole is just by the air pressure in ambient atmosphere or the aerating device replenishment developer container cavity, thereby in the developer-accommodating chamber, form a continuous airflow, the residue developer in the developer-accommodating chamber is taken out of with air-flow.Under the situation that need not dismantle developing device, just can make things convenient for and remove like a cork to remain developer, not only free from environmental pollution but also can improve the quality of products and production efficiency.
Description of drawings
Fig. 1 is the front elevation of first kind of embodiment of the utility model;
Fig. 2 is the A partial enlarged drawing of Fig. 1;
Fig. 3 is the B partial enlarged drawing of Fig. 1;
Fig. 4 is the stereographic map of embodiment shown in Figure 1;
Fig. 5 is the stereographic map of second kind of embodiment of the utility model.
Below in conjunction with accompanying drawing and each embodiment the utility model is done to describe in further detail.
Embodiment
Referring to Fig. 1 to Fig. 4, first kind of embodiment of the utility model Delevoping cartridge comprises a developer storehouse 1, the bulkhead in this developer storehouse 1 comprises antetheca 11, rear wall 12, diapire 13, left end wall 14 and right-hand member wall 15, the inside in developer storehouse 1 has the developer-accommodating chamber 2 that is surrounded by above-mentioned each bulkhead, and developer is filled in this developer-accommodating chamber 2.During work, the donor rollers in the Delevoping cartridge is transported to developer on the developer roll 3 by rotating around central shaft, and developer roll 3 further is laid in developer the electrostatic latent image district that is formed on the photosensitive drums (not shown).Be provided with air admission hole 16 and venthole 17 on the antetheca 11 in this developer storehouse 1, near the left end wall 14 and the right-hand member wall 15 in developer storehouse 1, air admission hole 16 forms gaseous state with venthole 17 by developer-accommodating chamber 2 and is communicated with respectively for air admission hole 16 and venthole 17.The shape of air admission hole 16 or venthole 17 can be rectangle, square, circular, oval, triangle or other shape, and its size is determined according to the size of Delevoping cartridge, there is no strict restriction.Pack in the developer storehouse 1 behind the developer, air admission hole 16 and venthole 17 places adopt separable seal (not shown) to seal, and spill in the Delevoping cartridge course of work to prevent developer.Add man-hour when Delevoping cartridge is regenerated, the seal at air admission hole 16 and venthole 17 places must be destroyed or dismounting, air admission hole 16 and venthole 17 are opened wide.
When adding a negative pressure for air admission hole 16 by getter device, because air admission hole 16 communicates with venthole 17, venthole 17 is just by the air pressure in ambient atmosphere or the aerating device replenishment developer container cavity 2, thereby in developer-accommodating chamber 2, form a continuous airflow, the residue developer in the developer-accommodating chamber 2 is taken out of with air-flow.Under the situation that need not dismantle developing device, just can make things convenient for and remove like a cork to remain developer, not only free from environmental pollution but also can improve the quality of products and production efficiency.
Referring to Fig. 5, the structure of second kind of embodiment of the utility model Delevoping cartridge and above-mentioned first kind of embodiment are basic identical, difference only is the location swap with air admission hole 16 and venthole 17, be that air admission hole 16 is arranged near right-hand member wall 15 1 sides, and venthole 17 is arranged near left end wall 14 1 sides.Its principle of work is identical with above-mentioned first kind of embodiment with process.
It below only is preferred implementation of the present utility model; should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from the present utility model design; can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (3)
1, Delevoping cartridge comprises
Developer storehouse with developer-accommodating chamber;
It is characterized in that:
The bulkhead in described developer storehouse is provided with by described developer-accommodating chamber and forms air admission hole and the venthole that gaseous state is communicated with;
Described air admission hole and venthole are sealed by separable seal.
2, according to the described Delevoping cartridge of claim 1, it is characterized in that:
Described bulkhead comprises antetheca, left end wall and right-hand member wall;
Described air admission hole and venthole are positioned on the described antetheca, and respectively near described left end wall and right-hand member wall.
3, according to claim 1 or 2 described Delevoping cartridges, it is characterized in that:
Described air admission hole or venthole are rectangle, square, circular, ellipse or triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200592796U CN201107563Y (en) | 2007-11-01 | 2007-11-01 | Developing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200592796U CN201107563Y (en) | 2007-11-01 | 2007-11-01 | Developing box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201107563Y true CN201107563Y (en) | 2008-08-27 |
Family
ID=39959374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200592796U Expired - Lifetime CN201107563Y (en) | 2007-11-01 | 2007-11-01 | Developing box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201107563Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017126046A (en) * | 2016-01-15 | 2017-07-20 | 株式会社東芝 | Developing device and image forming apparatus |
| CN107305341A (en) * | 2016-04-25 | 2017-10-31 | 纳思达股份有限公司 | Developing bin of processing box and powder removing method of developing bin of processing box |
| CN110741320A (en) * | 2017-07-11 | 2020-01-31 | 惠普发展公司，有限责任合伙企业 | Developing device with air outlet |
| JP2021012395A (en) * | 2020-11-02 | 2021-02-04 | 株式会社東芝 | Developing device and image forming apparatus |
-
2007
- 2007-11-01 CN CNU2007200592796U patent/CN201107563Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017126046A (en) * | 2016-01-15 | 2017-07-20 | 株式会社東芝 | Developing device and image forming apparatus |
| CN107305341A (en) * | 2016-04-25 | 2017-10-31 | 纳思达股份有限公司 | Developing bin of processing box and powder removing method of developing bin of processing box |
| CN110741320A (en) * | 2017-07-11 | 2020-01-31 | 惠普发展公司，有限责任合伙企业 | Developing device with air outlet |
| CN110741320B (en) * | 2017-07-11 | 2022-11-04 | 惠普发展公司，有限责任合伙企业 | Developing device with air outlet |
| JP2021012395A (en) * | 2020-11-02 | 2021-02-04 | 株式会社東芝 | Developing device and image forming apparatus |
| JP7154268B2 (en) | 2020-11-02 | 2022-10-17 | 株式会社東芝 | Developing device and image forming device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080827 |