CN101916058B - Powder output-adjustable developer box - Google Patents
Powder output-adjustable developer box Download PDFInfo
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- CN101916058B CN101916058B CN2009102668929A CN200910266892A CN101916058B CN 101916058 B CN101916058 B CN 101916058B CN 2009102668929 A CN2009102668929 A CN 2009102668929A CN 200910266892 A CN200910266892 A CN 200910266892A CN 101916058 B CN101916058 B CN 101916058B
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Abstract
The invention provides a powder output-adjustable developer box. An adjusting mechanism for adjusting the contact pressure between the working face of a powder outlet cutter and the surface of a developing roll is arranged between a powder outlet cutter saddle of the developer box and a box body, wherein the adjusting mechanism comprises an elastic element for enabling the working face of the powder outlet cutter to be in elastic contact with the surface of the developing roll and an adjusting rod for driving the powder outlet cutter saddle to move towards or away from the developing roll, the adjusting rod comprises a rod part arranged in the length direction of the powder outlet cutter saddle and an adjusting part for enabling the rod part to rotate around the axis of the rod part, at least one part of the rod part is provided with an eccentric cam which rotates to drive the powder outlet cutter saddle to move relative to the box body, and the surface of the eccentric cam is matched with the stressed part on the powder outlet cutter saddle. By using the developer box having the structure, users can adjust powder output as required, thereby achieving the purposes of outputting powder as required and saving printing cost.
Description
Technical field
The present invention relates to a kind of developer box, particularly a kind of developer box of powder output-adjustable amount.
Background technology
Laser printer is one of present office print out equipment relatively more commonly used, and the laser developer box is the consumptive material that is used on the laser printer, along with the progress of printing technique; The use amount that developer box is beaten in the continuous increase of number of copies, laser gets more and more, particularly the color laser developer box; High-quality with it; At a high speed, competitive price becomes the main flow of office's print out equipment gradually.
Print principle according to the laser developer box, the laser printing process generally is divided into 7 steps such as charging, exposure, development, transfer printing, photographic fixing, cleaning, discharge.Wherein developing displays optical conductor formation " electrostatic latent image ", becomes visual picture.Develop and realize through developing apparatus that mainly traditional developing apparatus generally partly is made up of developer roll 1 ', powder delivery cutter 2 ', powder feeding roller, puddle support etc.When printer was worked, puddle support, powder feeding roller, developer roll 1 ' etc. rotated under the driving of printer driver axle, and puddle support constantly stirs developer; Powder in the developer storehouse is delivered to powder feeding roller; Powder feeding roller is delivered to developing chamber with developer, and developer roll 1 ' makes developer charged with the 2 ' friction of powder delivery cutter, and contacts with photosensitive drums; Developer is transferred on the photosensitive drums, formed and develop.Powder delivery cutter 2 ' is fixed on the box body 4 ' of developer box through trip bolt 3 '; The workplace of powder delivery cutter 2 ' is close on the developer roll 1 ' surface; The workplace of general powder delivery cutter is a resilient material, closely contacts with developer roll 1 ' surface, and developer roll 1 ' is formed certain contact pressure and contact area; The size of this pressure can be controlled the thickness that developer roll 1 ' is gone up developer layer, guarantees the homogeneity of powder delivery.After general developer box assembling was accomplished, the relative position of these parts was all fixed, so powder outlet quantity is fixed.The user can't regulate powder outlet quantity as required.Though the user can regulate image print density through the drive software of printer, i.e. DPI, this regulative mode is very limited to developer box influence in serviceable life.Developer is the main print media of laser developer box, also is the main body of developer box cost structure, how to reduce a page powder consumption, practices thrift and prints cost, is one of problem of present numerous producers emphasis consideration.
Summary of the invention
The technical matters that the present invention will solve provides a kind of developer box of powder output-adjustable amount, and the user can regulate powder outlet quantity as required, thus the purpose that reaches powder delivery as required, practices thrift the printing cost.
For realizing above-mentioned purpose, the invention provides a kind of developer box of powder output-adjustable amount, comprising: the box body of receiving photographic developer; Rotatably be supported in the developer roll of said box body; Be used to control the powder delivery cutter of the developer layer thickness on the said developer roll; This powder delivery cutter has powder delivery knife rest that is connected in said box body and the powder delivery cutter workplace that is contacted with said developer roll surface, is provided with the governor motion of regulating this powder delivery cutter workplace and said developer roll surface contact pressure between said powder delivery knife rest and the said box body; Wherein, Said governor motion comprised make said powder delivery cutter workplace flexibly be contacted with the flexible member on said developer roll surface and drive said powder delivery knife rest towards or the adjuster bar that moves away from said developer roll; This adjuster bar includes the bar portion and the adjusting portion that makes this bar portion around its axis rotation along the length direction setting of said powder delivery knife rest; At least a portion of said bar portion is provided with through rotating driving the offset cam that said powder delivery knife rest moves with respect to box body, matches with forced section on the said powder delivery knife rest in the surface of said offset cam.When rotary regulating lever, offset cam also rotates together, has changed eccentric size, can regulate easily like this powder delivery cutter towards or move away from said developer roll, reach the purpose of regulating developer layer thickness.
Further, said powder delivery knife rest is connected in said box body through securing member, has tolerance clearance between this powder delivery knife rest and the securing member, so that the powder delivery knife rest can move under the effect of external force; Have projection on the said powder delivery knife rest, said flexible member is connected between said projection and the said securing member.This structure is simple relatively, need not increase extra part, and projection is conveniently made by bending forming on the powder delivery knife rest, and cost is also lower.
As one aspect of the present invention; Said flexible member can be spiral stretching spring; The two ends of said spiral stretching spring are connected and fixed on said securing member and said projection respectively; Said offset cam is clamped between said forced section and the said box body, and this offset cam and said developer roll are positioned at the same side of said forced section.The elastic force of spring contacts powder delivery cutter workplace all the time with the developer roll surface, keep certain contact pressure and contact area, and can regulate the linearity of both contacts automatically, and the manufacturing accuracy of powder delivery cutter is reduced.
As another aspect of the present invention; Said flexible member also can be spiral compression spring; One end of said spiral compression spring is connected and fixed on said securing member, and the other end presses on said projection, and said offset cam and said developer roll are positioned at the both sides of said forced section.
Preferably, the dead in line of said offset cam and said bar portion.
Preferably, said offset cam is provided with two.
Preferably, said adjusting portion is the regulating arm that is connected in said bar portion one end, and an end wall of said box body is provided with the plurality of fixed hole, and the outer end of said regulating arm has the Fixed latches that optionally inserts in one of them fixed orifice.Regulating arm can stretch out outside the box body, and the user can take box apart, just can regulate easily, because the arm of force is relatively long, rotates very light.
Preferably, said adjusting portion is the adjusting screw that is connected in said bar portion one end, makes things convenient for the user to regulate with screwdriver.
Description of drawings
Fig. 1 is the stereographic map of the developer box of prior art.
Fig. 2 is the vertical view of developer box shown in Figure 1.
Fig. 3 is the left view of developer box shown in Figure 2.
Fig. 4 is the A-A cut-open view of developer box shown in Figure 2.
Fig. 5 is the stereographic map of the developer box of first kind of embodiment of the present invention.
Fig. 6 is the vertical view of developer box shown in Figure 5.
Fig. 7 is the left view of developer box shown in Figure 6.
Fig. 8 is the B-B cut-open view of developer box shown in Figure 6.
Fig. 9 is the H partial enlarged drawing of Fig. 8.
Figure 10 is the right view of developer box shown in Figure 6.
Figure 11 is the C-C cut-open view of developer box shown in Figure 10.
Figure 12 is the right view of developer box shown in Figure 5 under another duty.
Figure 13 is the cross-sectional view of developer box shown in Figure 12 under this duty.
Figure 14 is the J partial enlarged drawing of Figure 13.
Figure 15 is the stereographic map of the adjuster bar in the developer box shown in Figure 5.
Figure 16 is the vertical view of adjuster bar shown in Figure 15.
Figure 17 is the D-D cutaway view Amplified image of adjuster bar shown in Figure 16.
The stereographic map of the assembly that Figure 18 combines for the adjuster bar in the developer box shown in Figure 5 and powder delivery cutter.
Figure 19 is another stereographic map of assembly shown in Figure 180.
Figure 20 is the front view of assembly shown in Figure 180.
Figure 21 is the E-E cut-open view of assembly shown in Figure 20.
Figure 22 is the F-F cut-open view of assembly shown in Figure 20.
Figure 23 is the stereographic map of the developer box of second kind of embodiment of the present invention.
Figure 24 is the vertical view of developer box shown in Figure 23.
Figure 25 is the right view of developer box shown in Figure 24.
Figure 26 is the G-G cut-open view of developer box shown in Figure 24.
Figure 27 is the K partial enlarged drawing of Figure 26.
Figure 28 is the cut-open view of the developer box of the third embodiment of the present invention.
Figure 29 is the L partial enlarged drawing of Figure 28.
Embodiment
Referring to Fig. 5～22; First kind of embodiment of the present invention comprised the box body 1 of receiving photographic developer, the powder delivery cutter 3 that rotatably is supported in the developer roll 2 of box body 1 and is used to control the developer layer thickness on the developer roll 2, and this powder delivery cutter 3 has powder delivery knife rest 31 that is connected in box body 1 and the powder delivery cutter workplace 32 that is contacted with developer roll 2 surfaces.Powder delivery knife rest 31 is connected in box body 1 through the securing member that is preferably trip bolt 4, has certain tolerance clearance between this powder delivery knife rest 31 and the trip bolt 4, make powder delivery knife rest 31 can towards or move away from developer roll 2.Have two projections 33 on the said powder delivery knife rest 31.
Be provided with the governor motion of regulating this powder delivery cutter workplace 32 and developer roll 2 surperficial contact pressures between said powder delivery knife rest 31 and the box body 1, this governor motion comprised make said powder delivery cutter workplace 32 flexibly be contacted with the spiral stretching spring 5 on developer roll 2 surfaces and drive said powder delivery knife rest 31 towards or the adjuster bar 6 that moves away from developer roll 2.The two ends of said spiral stretching spring 5 are connected and fixed on said trip bolt 4 and projection 33 respectively, and the pulling force of spiral stretching spring 5 makes powder delivery cutter workplace 32 be close to developer roll 2 surfaces all the time, and developer roll 2 is formed certain contact pressure.
Said adjuster bar 6 includes the bar portion 61 and the regulating arm 62 that this bar portion 61 is rotated around its axis along the length direction setting of said powder delivery knife rest 31, and this regulating arm 62 is connected in an end of bar portion 61, and the other end of bar portion 61 is provided with shaft end ring 65.
Said bar portion 61 is provided with two offset cams 63, and said offset cam 63 is combined as a whole with said bar portion 61, and their dead in line.Said offset cam 63 is clamped between the forced section 34 and box body 1 on the said powder delivery knife rest 31, and this offset cam 63 and said developer roll 2 are positioned at the same side of forced section 34.Matching with forced section 34 in the surface of said offset cam 63, when offset cam 63 rotates, can drive powder delivery knife rest 31 and move with respect to box body 1.An end wall of said box body 1 is provided with plurality of fixed hole 11, and the outer end of said regulating arm 62 has the Fixed latches 64 that optionally inserts in one of them fixed orifice 11.
Referring to Figure 17; From the beginning of fa point, the eccentric throw on offset cam 63 surfaces strengthens gradually, and is maximum to fc point eccentric throw; When the Fixed latches 64 of regulating arm 62 be inserted in box body 1 be denoted as the fixed orifice 11 of " 1 " time; The fa position on offset cam 63 surfaces contacts with box body 1, and this moment, eccentric throw was minimum, and powder delivery cutter workplace 32 is maximum with the contact pressure on developer roll 2 surfaces.When the Fixed latches 64 of regulating arm 62 from the fixed orifice 11 that is denoted as " 1 " when the fixed orifice that is denoted as " 3 " 11 moves; The contact point of offset cam 63 surfaces and box body 1 moves to the fc position from the fa position; Eccentric throw is increasing; Powder delivery knife rest 31 under the effect of offset cam 63, to away from developer roll 2 surface direction move, powder delivery cutter workplace 32 diminishes with the contact pressures on developer roll 2 surfaces.Certainly, can be at the fixed orifice that is denoted as " 1 " 11 and be denoted as between the fixed orifice 11 of " 3 " several fixed orifices are set as required again, distance between each fixed orifice and offset also can be set according to concrete product.
The user can according to the needs of oneself regulate regulating arm 62 the position, for instance, when the user need print picture, require picture quality clear, stereovision is good, lines are fine and smooth or the like, this needs the developer box powder outlet quantity sufficient, evenly.Can be adjusted to the position that powder outlet quantity is many, print quality is optimum this moment with regulating arm 62.When the printing character version, only need that literal is clear and legible to be recognized, quality requirements is lower comparatively speaking, and can suitably be adjusted to the position that powder outlet quantity is low, print life is long this moment with regulating arm 62, practices thrift and print cost.
Figure 23～27 show second kind of embodiment of the present invention, on the basis of above-mentioned first kind of embodiment, with bar portion 61 elongations of adjuster bar 6; The one of which end is connected in adjusting screw 66; Stretch out in the end cap 12 of developer box, and increase check device, prevent that adjuster bar 6 from rotating freely in powder delivery knife rest 31 and adjuster bar 6 junctions; The user just can regulate the position of adjuster bar 6 with screwdriver like this, thereby reaches the purpose of regulating powder outlet quantity.
Figure 28～29 show the third embodiment of the present invention; Present embodiment makes the spiral stretching spring 5 among above-mentioned first kind of embodiment into spiral compression spring 7; One end of this spiral compression spring 7 is connected and fixed on trip bolt 4; The other end presses on the projection 33 on the powder delivery knife rest, correspondingly adjuster bar is contained in the outside of powder delivery knife rest 31, and the offset cam 63 and the developer roll 2 of adjuster bar is positioned at the both sides of the forced section 34 on the powder delivery knife rest 31; When rotating offset cam 63 powder delivery knife rest 31 is pressed to developer roll 2 surfaces, the purpose that can realize regulating powder outlet quantity.
Claims (8)
1. the developer box of powder output-adjustable amount comprises:
The box body of receiving photographic developer;
Rotatably be supported in the developer roll of said box body;
Be used to control the powder delivery cutter of the developer layer thickness on the said developer roll; This powder delivery cutter has powder delivery knife rest that is connected in said box body and the powder delivery cutter workplace that is contacted with said developer roll surface, is provided with the governor motion of regulating this powder delivery cutter workplace and said developer roll surface contact pressure between said powder delivery knife rest and the said box body;
It is characterized in that:
Said governor motion comprised make said powder delivery cutter workplace flexibly be contacted with the flexible member on said developer roll surface and drive said powder delivery knife rest towards or the adjuster bar that moves away from said developer roll; This adjuster bar includes the bar portion and the adjusting portion that makes this bar portion around its axis rotation along the length direction setting of said powder delivery knife rest; At least a portion of said bar portion is provided with through rotating driving the offset cam that said powder delivery knife rest moves with respect to box body, matches with forced section on the said powder delivery knife rest in the surface of said offset cam.
2. the developer box of powder output-adjustable amount according to claim 1 is characterized in that:
Said powder delivery knife rest is connected in said box body through securing member, has tolerance clearance between this powder delivery knife rest and the securing member; Have projection on the said powder delivery knife rest, said flexible member is connected between said projection and the said securing member.
3. the developer box of powder output-adjustable amount according to claim 2 is characterized in that:
Said flexible member is a spiral stretching spring; The two ends of said spiral stretching spring are connected and fixed on said securing member and said projection respectively; Said offset cam is clamped between said forced section and the said box body, and this offset cam and said developer roll are positioned at the same side of said forced section.
4. the developer box of powder output-adjustable amount according to claim 2 is characterized in that:
Said flexible member is a spiral compression spring, and an end of said spiral compression spring is connected and fixed on said securing member, and the other end presses on said projection, and said offset cam and said developer roll are positioned at the both sides of said forced section.
5. the developer box of powder output-adjustable amount according to claim 1 is characterized in that: the dead in line of said offset cam and said bar portion.
6. the developer box of powder output-adjustable amount according to claim 1 is characterized in that: said offset cam is provided with two.
7. according to the developer box of each described powder output-adjustable amount of claim 1 to 6; It is characterized in that: said adjusting portion is the regulating arm that is connected in said bar portion one end; An end wall of said box body is provided with the plurality of fixed hole, and the outer end of said regulating arm has the Fixed latches that optionally inserts in one of them fixed orifice.
8. according to the developer box of each described powder output-adjustable amount of claim 1 to 6, it is characterized in that: said adjusting portion is the adjusting screw that is connected in said bar portion one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102668929A CN101916058B (en) | 2009-12-25 | 2009-12-25 | Powder output-adjustable developer box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102668929A CN101916058B (en) | 2009-12-25 | 2009-12-25 | Powder output-adjustable developer box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101916058A CN101916058A (en) | 2010-12-15 |
| CN101916058B true CN101916058B (en) | 2012-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102668929A Active CN101916058B (en) | 2009-12-25 | 2009-12-25 | Powder output-adjustable developer box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101916058B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2857058Y (en) * | 2005-12-02 | 2007-01-10 | 珠海天威技术开发有限公司 | Developing case for laser printer |
| CN2869939Y (en) * | 2005-12-01 | 2007-02-14 | 珠海天威技术开发有限公司 | Developing case for laser printer |
| CN200972573Y (en) * | 2006-07-22 | 2007-11-07 | 珠海天威技术开发有限公司 | Developing box for laser printer |
| CN201035329Y (en) * | 2007-04-26 | 2008-03-12 | 珠海天威飞马打印耗材有限公司 | Carbon power box for laser printer |
| CN201600557U (en) * | 2009-12-25 | 2010-10-06 | 珠海天威飞马打印耗材有限公司 | Developer box with adjustable powder outlet amount |
-
2009
- 2009-12-25 CN CN2009102668929A patent/CN101916058B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2869939Y (en) * | 2005-12-01 | 2007-02-14 | 珠海天威技术开发有限公司 | Developing case for laser printer |
| CN2857058Y (en) * | 2005-12-02 | 2007-01-10 | 珠海天威技术开发有限公司 | Developing case for laser printer |
| CN200972573Y (en) * | 2006-07-22 | 2007-11-07 | 珠海天威技术开发有限公司 | Developing box for laser printer |
| CN201035329Y (en) * | 2007-04-26 | 2008-03-12 | 珠海天威飞马打印耗材有限公司 | Carbon power box for laser printer |
| CN201600557U (en) * | 2009-12-25 | 2010-10-06 | 珠海天威飞马打印耗材有限公司 | Developer box with adjustable powder outlet amount |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101916058A (en) | 2010-12-15 |
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