CN201273989Y - Developer box - Google Patents
Developer box Download PDFInfo
- Publication number
- CN201273989Y CN201273989Y CNU2008202014437U CN200820201443U CN201273989Y CN 201273989 Y CN201273989 Y CN 201273989Y CN U2008202014437 U CNU2008202014437 U CN U2008202014437U CN 200820201443 U CN200820201443 U CN 200820201443U CN 201273989 Y CN201273989 Y CN 201273989Y
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- China
- Prior art keywords
- developer
- spire
- powder feeding
- feeding frame
- developer box
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- 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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- Cleaning In Electrography (AREA)
Abstract
The utility model provides a developer box used for providing developer for the developing devices of the equipment like a laser printer, and a copycat. The inside of the box body of the developer box is provided with a rotatable spiral powder feeding frame along the longitudinal direction; the powder feeding frame comprises a first spiral part arranged at the front part of the box body, as well as a second spiral part and a connecting part arranged at the back part of the box body; the outer diameter of the second spiral part is larger than the outer diameter of the first spiral part; the radial outer edge of the second spiral part and the inner wall of the back part maintain a contact state; and a clearance is formed between the radial outer edge of the first spiral part and the inner wall of the front part. The structure leads the double-component developer in the developer box to be fully stirred and transmitted, reduces the residue of a carrier, and leads the proportion between the carrier at the powder outlet and a toner to maintain consistent, thereby ensuring the printing quality, reducing the waste, reducing the cost of a user, and reducing the accumulation of the developer at the position of the powder outlet.
Description
Technical field
The utility model relates to a kind of developer box that is used for imaging device developing apparatuss such as laser printer, duplicating machine, particularly a kind of developer box with developer stirring powder feeding mechanism.
Background technology
In imaging devices such as laser printer, duplicating machine, developer box is installed in its developing apparatus removably, by meal outlet with developer feeding in the developing chamber of developing apparatus, be delivered on the photosensitive drums of developing apparatus by the developer roll in the developing chamber then and carry out development work, and then finish electronic imaging work.
U.S. Pat 6377767 discloses a kind of developer box that developer stirs powder feeding mechanism that has, vertical end of this developer box is distributed with transmission gear, drive the powder feeding frame rotation of shape distribution in the shape of a spiral, impel developer in the cavity volume of developer box to the meal outlet motion that is positioned at the vertical other end of developer box, and fill new developer to developing apparatus is inner by meal outlet, wherein the powder feeding frame of spiral-shaped distribution generally adopts metal wire rod to process.In above-mentioned developer box, have the gap that equates between the radially outward edge of its powder feeding frame and the cavity volume inwall, can cause like this that developer in the gap has neither part nor lot in to stir to transmit, remaining developer in the developer box is increased, cause waste, be unfavorable for environmental protection, increased user's cost.In addition, for colored two-component developing agent, developer is mixed by carrier and toner, generally, the volume of carrier and density are all much larger than toner, residual having neither part nor lot in stirred the carrier that transmits and just can not entered developing cell in the gap, causes in the developing cell ratio of carrier on the low side, thereby influences print quality.In addition, too little in the radially outward edge and the spacing between the cavity volume inwall of near the powder feeding frame the meal outlet, cause developer near meal outlet, to form accumulation easily.
The utility model content
The purpose of this utility model provides a kind of developer that prevents and piles up near the meal outlet of box body front portion, and the developer box that the developer of box body inside can be made full use of.
For achieving the above object, the technical solution adopted in the utility model is: a kind of developer box is provided, comprises the box body of receiving photographic developer, this box body comprises that one roughly is the barrel of cylindrical shell shape, and this barrel has front and rear; The inside of described barrel distributes rotatable spiral fashion powder feeding frame along the longitudinal; The driver part that described forward part is furnished with meal outlet and is connected in described powder feeding frame; Wherein, described powder feeding frame has comprised first spire that is distributed in described front portion, the coupling part that is distributed in second spire at described rear portion and connects described first spire and second spire; The external diameter of described second spire is greater than the external diameter of described first spire, and the inwall at the radially outward edge of second spire and described rear portion keeps in touch state, is formed with the gap between the radially outward edge of first spire and the inwall of described front portion.
The beneficial effect of above-mentioned developer box is: stir because the radially outward edge of second spire of its powder feeding frame can contact the inwall at box body rear portion, make that like this carrier and toner are fully stirred transmission in the two-component developing agent in the developer box, reduced the residual volume of carrier, make that the ratio of carrier and toner keeps consistency in the two-component developing agent at meal outlet place, thereby guaranteed print quality, reduce waste, reduced user's cost; And, can reduce the accumulation of meal outlet place developer owing to be formed with the gap between the inwall of the radially outward edge of first spire and box body front portion.
The radially outward edge of described first spire and the spacing of described front inner wall are more preferably greater than 3mm.
Described coupling part is preferably perpendicular to the axis of described powder feeding frame and departs from a straight-line segment of this axis, helps the processing and fabricating and the quality control of powder feeding frame like this.
Described coupling part is positioned at described rear portion, and is close to the intersection at described front portion and rear portion, and the developer that helps further reducing the developer residual volume in the described rear portion and reduce the meal outlet place is piled up.
Described box body also comprises a projection, this projection one or detachably be connected the top at described rear portion, and such structure can increase the developer capacity of box body.The end of described second spire is crooked to the inside, has avoided and should contact described projection by end, has increased the operation stability of powder feeding frame.
Description of drawings
Fig. 1 is the structural representation of a kind of better embodiment of the utility model;
Fig. 2 is the cut-open view of embodiment shown in Figure 1;
Fig. 3 is the powder feeding shelf structure synoptic diagram in the middle of the embodiment shown in Figure 1.
Embodiment
Describe the utility model developer box in detail below in conjunction with accompanying drawing.In institute's drawings attached, identical mark will be used to refer to identical parts, feature or structure.Embodiment introduce in the process at concrete structure or the parts reference illustration of only understanding the utility model developer box as those skilled in the art; those skilled in the art can also design do not exceed the utility model developer box technical scope and essence various and be equal to or the similar techniques structure under the enlightenment of this technical scheme; if it is unfavorable limiting the protection domain that the utility model developer box claim included with this exemplary illustration thus, be equal to or the technical scheme that is similar to the utility model developer box still belongs to the protection domain of the utility model developer box claim.And for simple and clear needs, the applicant has omitted the description of known function and structure.
Referring to Fig. 1 to Fig. 3, better embodiment of the present utility model comprises a box body 1 that is used for receiving photographic developer, the leading section of this box body 1 is provided with the front end end cover 2 of a band handle 21, rearward end is provided with the rear end cap 3 of a band handle 31, is provided with the transmission component of being made up of transmission gear 4 and gear shaft 41 thereof in front end end cover 2.Position corresponding to transmission gear 4 on the circumferential wall of front end end cover 2 has a slit, and by this, transmission gear 4 can be driven by the drive unit on the imaging device.Be connected by coupling shaft 6 between front end end cover 2 and the rear end cap 3, come off from the end of box body 1 to avoid front end end cover 2 and rear end cap 3.
The powder delivery flashboard 22 of a front end end cover 2 and an arc is fastenedly connected, and the operator is by holding handle 21 rotatable front end end covers 2, to drive powder delivery flashboard 22 with respect to barrel 11 rotations, powder delivery flashboard 22 is alignd mutually with meal outlet 114 or staggers.When they staggered mutually, the developer in the barrel 11 was able to discharge from this meal outlet 114; When they alignd mutually, this meal outlet 114 was closed, and developer can't be discharged.
The inside of barrel 11 distributes rotatable spiral fashion powder feeding frame 5 along the longitudinal, and the front end 511 of this powder feeding frame 5 is fixed in the gear shaft 41 of transmission gear 4.When transmission gear 4 is driven by the drive unit on the imaging device, transmission gear 4 drives powder feeding frame 5 by gear shaft 41 and rotates together, developer in the barrel 11 is delivered to meal outlet 114 places, thereby reaches the purpose of powder feeding, simultaneously the developer in the barrel 11 is stirred.
Referring to Fig. 2 and Fig. 3, powder feeding frame 5 has comprised first spire 51 that is distributed in anterior 111, the coupling part 53 that is distributed in second spire 52 in the rear portion 12 and connects first spire 51 and second spire 52.The external diameter of second spire 52 is greater than the external diameter of first spire 51, and wherein, the inwall at the radially outward edge of second spire 52 and rear portion 112 keeps in touch state,, forms the zero stand-off between the inwall at the radially outward edge of second spire 52 and rear portion 112 that is.The spacing d of the radially outward edge of first spire 51 and anterior 111 inwalls for example is 4mm greater than 3mm.Coupling part 53 helps the processing and fabricating and the quality control of powder feeding frame 5 like this for perpendicular to the axis of powder feeding frame 5 and depart from a straight-line segment of this axis.This coupling part 53 is positioned at rear portion 112, and is close to the intersection at front portion 111 and rear portion 112, the developer accumulation that helps further reducing the developer residual volume in the rear portion 112 like this and reduce meal outlet 114 places.The end 521 of second spire 52 is crooked to the inside, has avoided contacting projections 12 by end 521, has increased the operation stability of powder feeding frame 5.
Claims (7)
1, a kind of developer box comprises
The box body of receiving photographic developer, this box body comprises the barrel that roughly is the cylindrical shell shape, this barrel has front and rear;
The inside of described barrel distributes rotatable spiral fashion powder feeding frame along the longitudinal;
The driver part that described forward part is furnished with meal outlet and is connected in described powder feeding frame;
It is characterized in that:
Described powder feeding frame has comprised first spire that is distributed in described front portion, the coupling part that is distributed in second spire at described rear portion and connects described first spire and second spire;
Wherein, the external diameter of described second spire is greater than the external diameter of described first spire, and the inwall at the radially outward edge of second spire and described rear portion keeps in touch state, is formed with the gap between the radially outward edge of first spire and the inwall of described front portion.
2, developer box according to claim 1 is characterized in that: described gap is greater than 3mm.
3, developer box according to claim 1 and 2 is characterized in that: described coupling part is perpendicular to the axis of described powder feeding frame.
4, developer box according to claim 3 is characterized in that: described coupling part is a straight-line segment that departs from described axis.
5, developer box according to claim 4 is characterized in that: described coupling part is positioned at described rear portion, and is close to the intersection at described front portion and rear portion.
6, developer box according to claim 1 is characterized in that: described box body also comprises a projection, this projection one or detachably be connected the top at described rear portion.
7, developer box according to claim 6 is characterized in that: the end of described second spire is crooked to the inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202014437U CN201273989Y (en) | 2008-09-26 | 2008-09-26 | Developer box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202014437U CN201273989Y (en) | 2008-09-26 | 2008-09-26 | Developer box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201273989Y true CN201273989Y (en) | 2009-07-15 |
Family
ID=40884332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202014437U Expired - Fee Related CN201273989Y (en) | 2008-09-26 | 2008-09-26 | Developer box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201273989Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103425023A (en) * | 2012-05-25 | 2013-12-04 | 京瓷办公信息系统株式会社 | Developer conveying device, and developing device and image forming apparatus provided with same |
-
2008
- 2008-09-26 CN CNU2008202014437U patent/CN201273989Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103425023A (en) * | 2012-05-25 | 2013-12-04 | 京瓷办公信息系统株式会社 | Developer conveying device, and developing device and image forming apparatus provided with same |
| CN103425023B (en) * | 2012-05-25 | 2016-11-16 | 京瓷办公信息系统株式会社 | Developer carrying device and possess developing unit and the image processing system of this device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090715 Termination date: 20170926 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |