CN201903757U - Processing box for laser printer - Google Patents
Processing box for laser printer Download PDFInfo
- Publication number
- CN201903757U CN201903757U CN201020674189XU CN201020674189U CN201903757U CN 201903757 U CN201903757 U CN 201903757U CN 201020674189X U CN201020674189X U CN 201020674189XU CN 201020674189 U CN201020674189 U CN 201020674189U CN 201903757 U CN201903757 U CN 201903757U
- Authority
- CN
- China
- Prior art keywords
- connecting portion
- laser printer
- photosensitive drums
- box
- connecting part
- 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 - Lifetime
Links
- 239000002699 waste material Substances 0.000 claims abstract description 31
- 230000001154 acute effect Effects 0.000 claims abstract description 7
- 239000000843 powder Substances 0.000 claims description 57
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 15
- 229910052799 carbon Inorganic materials 0.000 claims description 15
- 239000000428 dust Substances 0.000 claims description 15
- 238000003892 spreading Methods 0.000 claims description 4
- 230000007480 spreading Effects 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 2
- 230000000007 visual effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000002950 deficient Effects 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000010023 transfer printing Methods 0.000 description 1
Images
Landscapes
- Cleaning In Electrography (AREA)
- Electrophotography Configuration And Component (AREA)
Abstract
The utility model discloses a processing box for a laser printer, which comprises a photosensitive drum and a developer roller, wherein the photosensitive drum and the developer roller are arranged on a box frame. A toner bin and a waste toner bin are distributed on the box frame. In the assembly state, the toner bin is positioned below the waste toner bin. The box frame is parallel to the axial direction of the photosensitive drum and respectively corresponds to two outer frame edges of the toner bin and the waste toner bin, wherein the two outer frame edges are buckled together by a locking catch; the locking catch is provided with a meshing part, a first connecting part, a second connecting part and a barb part on the axial cross section of the photosensitive drum; the meshing part is in an arc shape and attached to the outer frame side of the box frame, which corresponds to the waste toner bin; the barb part is buckled on the outer frame side of the box frame, which corresponds to the toner bin; one end of the first connecting part is connected with the meshing part; the other end of the first connecting part is connected with one end of the second connecting part; the other end of the second connecting part is connected with the barb part; the first connecting part and the second connecting part are crossed in an acute angle form at the connected point between the first connecting part and the second connecting part on the axial cross section of the photosensitive drum. By using the processing box, the combining stability between the toner bin and the waste toner bin can be effectively improved and the toner is prevented from leaking.
Description
Technical field
The utility model relates to the laser printer handle box, particularly comprises the laser printer handle box of developing cell and optoelectronic induction unit.
Background technology
With handle box 100 is that the imaging process of the laser printer of basic comprising core is, sees Fig. 1, is charged equably by charging roller 102 in photosensitive drums 101 surfaces.Laser scanner 103 contains image information and through the laser beam 104 of ovennodulation to photosensitive drums 101 emission, cylindrical surface in photosensitive drums 101 after laser beam 104 irradiations forms the static charge distribution plan that its distribution has difference, that is the electrostatic latent image corresponding with image to be duplicated.Afterwards, developer roll 105 so that by carbon dust 106 spreadings that transmit in the powder storehouse near the photosensitive drums 101 and make on its cylindrical surface that is adsorbed on photosensitive drums 101, after aforementioned electrostatic latent image was covered, it is converted to can macroscopic visual image.Along with the rotation of photosensitive drums 101, the visual image that is formed at photosensitive drum surface by carbon dust 106 replaces to the position at transfer roll 107 places.Effect through the entrained transfer voltage of transfer roll 107, the carbon dust of visual image form is transferred on the surface of recording mediums 108 such as paper, with after after the carbon dust of the visual image form on 112 pairs of recording mediums 108 of warm-up mill 111 and backer roll carries out heating and pressurizing, carbon dust is penetrated in the fibrage of recording medium 108, and the visual image that carbon dust is formed for good and all solidifies on recording medium 108.Visual image on the aforementioned photosensitive drums 101 is after being transferred roller 107 transfer printings, and residual carbon dust 109 attached to it is struck off by useless powder scraping blade 110, and stores up in waste powder hopper.So just finished a basic imaging workflow.This flow process is the result of cycle operation repeatedly, just can obtain the needed image of printing person.
Above-mentioned powder storehouse and waste powder hopper be as the component parts of handle box 100, and the dead bolt that has a barb by its end between them is finished mount between the two, referring to Fig. 2 a, b.The dead bolt 114 that stretches out from powder storehouse 113, its extending end has barb 115, and this barb 115 is anchored in the fore shaft 117 that is provided with on waste powder hopper 116.Under this bonding state, because dead bolt 114 is generally the working of plastics of elongate strip, therefore, the phenomenon of fracture often appears in dead bolt 114, cause usually can not obtaining between powder storehouse 113 and the waste powder hopper 116 very stable sealed, the result carbon dust occurs and reveals, even causes the serious consequence that handle box 100 integral body are scrapped.
Summary of the invention
At the carbon dust leakage problem that causes because of its locking component defective between above-mentioned powder storehouse and the waste powder hopper, the utility model purpose is to provide a kind of laser printer handle box, can realize between its powder storehouse and the waste powder hopper stablizing, firm combination.
For achieving the above object, the laser printer handle box that the utility model proposes comprises the photosensitive drums that is used for forming electrostatic latent image, is used near the developer roll of carbon dust spreading photosensitive drums that holds storage in the powder storehouse.Photosensitive drums and developer roll are set up on the box frame in its mode that axially is parallel to each other.Powder storehouse and waste powder hopper are distributed on the box frame.Be assembled at handle box and keep the state of powder position in storehouse below waste powder hopper under the state in the laser printer.The box frame be parallel to photosensitive drum shaft to and two housing edges corresponding respectively to powder storehouse and waste powder hopper by snap close it is snapped together.Latch in and have engaging piece, first connecting portion, second connecting portion and barb portion on the photosensitive drums axial cross section.Engaging piece is curved and fit on the outer edge of box frame corresponding to waste powder hopper.Barb portion snaps onto on the outer edge of box frame corresponding to the powder storehouse.One end of first connecting portion connects engaging piece and the other end connects an end of second connecting portion.The other end of second connecting portion connects barb portion.Between first connecting portion and second connecting portion on the photosensitive drums axial cross section tie point position in the two intersect with the acute angle form.
Aforementioned laser printer handle box, the center of circle of its engaging piece are positioned at first connecting portion and second connecting portion intersects the acute angle scope that forms.The end of barb portion is positioned at first connecting portion and second connecting portion intersects the acute angle scope that forms.
Aforementioned laser printer handle box, the quantity of its snap close are two, and they upwards keep the space preset distance at photosensitive drum shaft.
Aforementioned laser printer handle box, the end of its barb portion have along being parallel to several sawtooth that photosensitive drums extends axially and connect from beginning to end mutually.
Laser printer handle box of the present utility model, at have the carbon dust leakage problem that handle box causes because of the locking component defective now between its powder storehouse and waste powder hopper, in the invention, between powder storehouse and waste powder hopper, be provided with the slightly L-shaped snap close of its outward appearance, utilize the outer edge of the box frame that this snap close will be corresponding with powder storehouse and waste powder hopper to snap together, thereby finish the assembling and positioning of powder storehouse and waste powder hopper.This simple in structure of snap close that add, intensity is moderate, the combination of the outer edge of it and box frame is easy flexibly, therefore, use the sealed in addition handle box easy accessibility of this snap close, and the Design and Machining of this snap close is also very simple, only needs simple mould can realize its production than original dead bolt, fore shaft make, thereby also very effective for the production cost that reduces the laser printer handle box.
Description of drawings
Fig. 1 has laser printer imaging process synoptic diagram now.
Fig. 2 a has laser printer handle box skeleton view now.
Fig. 2 b is the local enlarged perspective of Fig. 2 a.
Fig. 3 the utility model laser printer handle box skeleton view.
Snap close embodiment one skeleton view one of Fig. 4 a the utility model laser printer handle box.
Snap close embodiment one skeleton view two of Fig. 4 b the utility model laser printer handle box.
Snap close embodiment two skeleton views of Fig. 5 the utility model laser printer handle box.
Embodiment
Describe laser printer handle box of the present utility model in detail below in conjunction with accompanying drawing.
Referring to Fig. 3～5, show the utility model laser printer handle box and member thereof the skeleton view under different visual angles respectively.Wherein Fig. 3～4 show a kind of snap close of the utility model laser printer handle box and use thereof, and Fig. 5 shows another snap close that the utility model handle box is adopted.
The main make of the utility model laser printer handle box and the structure of existing laser printer handle box are basic identical, and those skilled in the art can consult the correlation technique data of existing handle box to know the structure situation of the utility model laser printer handle box.According to the utility model between its powder storehouse and waste powder hopper, the original intention of suitable solution is proposed at existing handle box because of the locking component defective causes the carbon dust leakage problem, the applicant will introduce with regard to the sealed tectonic relationship that the utility model laser printer handle box relates between its powder storehouse and the waste powder hopper.
See Fig. 3～4, the main composition parts of this laser printer handle box 200 are to be used to form the photosensitive drums 201 of electrostatic latent image and to be used for the carbon dust spreading near the developer roll (not shown) the photosensitive drums 201.The carbon dust of being adjusted by developer roll is stored in the powder storehouse 202 by appearance.Photosensitive drums 201 and developer roll are set up on the box frame 203 of handle box 200 in its mode that axially is parallel to each other.Powder storehouse 202 also is distributed on the box frame 203 with waste powder hopper 204, and powder storehouse 202 is surrounded by the appropriate section of box frame 203 with waste powder hopper 204 each self-contained cavity and constitutes in other words.Under handle box 200 was assembled to state in the laser printer, powder storehouse 202 was positioned at the below of waste powder hopper 204.Box frame 203 be parallel to photosensitive drums 201 axially, and two the housing edges 205,206 that correspond respectively to powder storehouse 202 and waste powder hopper 204 are snapped together them by snap close 207.On handle box 200, use two snap closes 207 usually, they photosensitive drums 201 axially on keep the predetermined distance in space.
On the axial cross section of photosensitive drums 201, section or the projection of snap close 207 on this cross section has engaging piece 208, first connecting portion 209, second connecting portion 210 and barb portion 211.One end of first connecting portion 209 connects engaging piece 208, and its other end connects an end of second connecting portion 210.Second connecting portion 210 connects barb portion 211 with respect to an end of first connecting portion 209.Between first connecting portion 209 and second connecting portion 210 on the axial cross section of photosensitive drums 201 position at tie point 212 places in both intersect with the form that the angle of two connecting portions is sharp angle.Sharp angle is preferably near 90 degree.Section or the projection of engaging piece 208 on the axial cross section of photosensitive drums 201 is rendered as circular arc, the center of circle of this circular arc correspondence is positioned at first connecting portion 209 and second connecting portion 210 and intersects the scope that the sharp angle that form are surrounded, and the inside surface of this circular arc fits on the outer edge 206 of box frame 203 corresponding to waste powder hopper 204 under confined state.The end of barb portion 211 also is positioned at first connecting portion 209 and second connecting portion 210 and intersects the scope that the sharp angle that form are surrounded, and the bill end of barb portion 211 snaps onto on the outer edge 205 of box frame 203 corresponding to powder storehouse 202 under confined state.
As a kind of structural adjustment to snap close 207, Fig. 5 shows another snap close 300 that its structure changes to some extent.The basic structure of snap close 207 is identical shown in the same Fig. 3 of the primary structure of snap close 300～4, its structure that is different from snap close 207 is, snap close 300 is provided with along being parallel to photosensitive drums 201(referring to Fig. 3 at the bill end of its barb portion 301) extend axially and several sawtooth 302 of connecting of head and the tail mutually.When the bill end of barb portion 301 snap onto box frame 203 corresponding to the outer edge 205(in powder storehouse 202 referring to Fig. 3) when going up, sawtooth 302 can improve the pressure of the external edge 205 of its crown, obtaining bigger friction force or snap-in force, thereby improve the bonding tightness of powder storehouse 202 and waste powder hopper 204.
Claims (4)
1. laser printer handle box, comprise the photosensitive drums that is used for forming electrostatic latent image, be used near the developer roll of carbon dust spreading described photosensitive drums that holds storage in the powder storehouse, described photosensitive drums and described developer roll are set up on the box frame in its mode that axially is parallel to each other, described powder storehouse and waste powder hopper are distributed on the described box frame, be assembled at described handle box and keep the state of described powder position in storehouse above described waste powder hopper under the state in the described laser printer, it is characterized in that, described box frame be parallel to described photosensitive drum shaft to and it is snapped together by snap close corresponding to two housing edges of described powder storehouse and described waste powder hopper, described latching on the described photosensitive drums axial cross section has engaging piece, first connecting portion, second connecting portion and barb portion, described engaging piece is curved and fit on the outer edge of described box frame corresponding to described waste powder hopper, described barb portion snaps onto on the outer edge of described box frame corresponding to described powder storehouse, one end of described first connecting portion connects described engaging piece and the other end connects an end of described second connecting portion, the other end of described second connecting portion connects described barb portion, between described first connecting portion and described second connecting portion on described photosensitive drums axial cross section the tie point position in the two intersect with the acute angle form.
2. according to the described laser printer handle box of claim 1, it is characterized in that, the center of circle of described engaging piece is positioned at described first connecting portion and described second connecting portion and intersects the acute angle scope that forms, and the end of described barb portion is positioned at described first connecting portion and described second connecting portion intersects the acute angle scope that forms.
3. according to claim 1 or 2 described laser printer handle boxes, it is characterized in that the quantity of described snap close is two, they upwards keep the space preset distance at described photosensitive drum shaft.
4. according to the described laser printer handle box of claim 3, it is characterized in that the end of described barb portion has along being parallel to that described photosensitive drums extends axially and several sawtooth of connecting of head and the tail mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020674189XU CN201903757U (en) | 2010-12-22 | 2010-12-22 | Processing box for laser printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020674189XU CN201903757U (en) | 2010-12-22 | 2010-12-22 | Processing box for laser printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201903757U true CN201903757U (en) | 2011-07-20 |
Family
ID=44274350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020674189XU Expired - Lifetime CN201903757U (en) | 2010-12-22 | 2010-12-22 | Processing box for laser printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201903757U (en) |
-
2010
- 2010-12-22 CN CN201020674189XU patent/CN201903757U/en not_active Expired - Lifetime
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110720 |