CN201611425U - Paper laminating mechanism, photosensitive drum component and processing box - Google Patents
Paper laminating mechanism, photosensitive drum component and processing box Download PDFInfo
- Publication number
- CN201611425U CN201611425U CN2010201189465U CN201020118946U CN201611425U CN 201611425 U CN201611425 U CN 201611425U CN 2010201189465 U CN2010201189465 U CN 2010201189465U CN 201020118946 U CN201020118946 U CN 201020118946U CN 201611425 U CN201611425 U CN 201611425U
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- China
- Prior art keywords
- axle head
- sleeve
- plane
- paper
- roll body
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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 - Lifetime
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/65—Apparatus which relate to the handling of copy material
- G03G15/6502—Supplying of sheet copy material; Cassettes therefor
- G03G15/6511—Feeding devices for picking up or separation of copy sheets
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Paper Feeding For Electrophotography (AREA)
- Electrophotography Configuration And Component (AREA)
Abstract
The utility model provides a paper laminating mechanism, a photosensitive drum component and a processing box; the paper laminating mechanism comprises a paper laminating roller and a paper laminating roller locating block; the paper laminating roller is provided with a roller body and a shaft end extending outwards from both ends of the roller body; the cross section of each shaft end is smaller than that of the roller body; the paper laminating roller locating block is provided with a sleeve and a blocking part positioned above the sleeve; the sleeve is provided with a through hole; the paper laminating roller locating block is sheathed on the shaft end through the through hole; the outside end of the shaft end is extended outside the sleeve, and is vertical to the direction of the upper surface of the blocking part; and the upper end of the shaft end is below the upper end of the sleeve. The utility model can prevent the paper laminating roller from wearing feed reel of laser printer, and also decreases the noises generated when the laser printer works.
Description
Technical field
The utility model relates to a kind of photosensitive drums assembly and handle box that is used for the handle box paper-pressing mechanism of laser printer and has this paper-pressing mechanism.
Background technology
Laser printer is common printing device, for modern office provides great convenience.Existing laser printer uses the handle box that is releasably attached in the laser printer to provide mostly and prints the carbon dust that uses, and in print procedure, the carbon dust transfer printing that handle box loads forms required pattern and literal on the paper as print media.
An existing class handle box as shown in Figure 1, handle box is made of cartridge 1 and photosensitive drums assembly 2, cartridge 1 has the cavity 11 that holds carbon dust, and is provided with parts such as developer roll in cavity.Cartridge 1 is releasably attached in the photosensitive drums assembly 2, and forms handle box with photosensitive drums assembly 2.
Referring to Fig. 2, for say something clear for the purpose of, simplified the associated components in the laser printer among Fig. 2 and omitted irrelevant member.After handle box was installed to laser printer, photosensitive drums assembly 2 cooperated with the paper feed system of laser printer.Lower end at underframe 23 is provided with paper-pressing mechanism, and paper-pressing mechanism is made of air roll 24 and air roll locating piece 27, and air roll locating piece 27 is used for air roll 24 is fixed on the lower end of underframe 23.
Paper feed system in the laser printer comprises three briquettings 31 and two feed rollers 32, and each feed roller 32 is between two adjacent briquettings 31, and feed roller 32 can be along its axis rotation.The concrete mechanism of paper-pressing mechanism and paper feed system is respectively equipped with a stage clip 33 at the left end of the briquetting 31 of high order end and the right-hand member of low order end briquetting 31 as shown in Figure 3, is used for air roll locating piece 27 is fixed in the mode of blocking.
Referring to Fig. 3 and Fig. 4, air roll 24 has roll body 25, and the xsect of roll body 25 lacks shape for circle, and promptly the upper end of roll body 25 is the plane, and the below, plane is an arc surface.Be provided with outside the two ends of roll body 25 from the outward extending axle head 26 of roll body 25 end faces, the cross-sectional area of axle head 26 is less than the cross-sectional area of roll body 25.
Air roll locating piece 27 comprises an Access Division 29 that is the sleeve 28 of annulus column and is positioned at sleeve 28 tops, and sleeve 28 middle parts are provided with a through hole, and the axle head 26 of air roll 24 can insert in the through hole, realizes the fixing of air roll 24 with this.Access Division 29 is connected to the lower end of underframe 23, so that air roll 24 is positioned on the underframe 23.
After handle box was installed to laser printer, stage clip 33 was pressed in sleeve 28 outer ends of air roll locating piece 27, thereby the roll body 25 of air roll 24 is contacted with feed roller 32, and paper will pass between roll body 25 and feed roller 32.Because feed roller 32 constantly rotates, enter handle box thereby drive paper.
But, because the xsect of the roll body 25 of air roll 24 is also non-circular, can not rotate with feed roller 32, and, after stage clip 33 is depressed air roll locating piece 27, produce sliding friction between roll body 25 and the feed roller 32, often cause feed roller 33 wearing and tearing, influence the serviceable life of laser printer owing to friction force is excessive.And the friction between feed roller 33 and the roll body 25 also can cause the bigger noise of generation in the laser printer course of work, is unfavorable for the operate as normal of laser printer.
Summary of the invention
Fundamental purpose of the present utility model provides a kind of paper-pressing mechanism of not feed roller easy to wear; Another purpose of the present utility model provides a kind of photosensitive drums assembly that laser printer is impacted serviceable life avoided; A purpose more of the present utility model provides a kind of laser printer that makes and produces the less handle box of noise.
For realizing above-mentioned fundamental purpose, the paper-pressing mechanism that the utility model provides comprises air roll and air roll locating piece, air roll has roll body and from the outward extending axle head of roll body both ends of the surface, the cross-sectional area of each axle head is less than the cross-sectional area of roll body, the Access Division that the air roll locating piece has a sleeve and is positioned at the sleeve top, sleeve has a through hole, the air roll locating piece is sleeved on the axle head by through hole, wherein, the outer end of axle head extends to outside the sleeve, and on the direction perpendicular to the Access Division upper surface, the upper end of axle head is lower than the upper end of sleeve.
By such scheme as seen, because axle head extends to outside the sleeve, after handle box is installed to laser printer, stage clip will be pressed in and stretch out on the outer axle head of sleeve, and the axle head of air roll upper end is lower than the upper end of sleeve, and stage clip reduced roll body to the feed roller applied pressure to more original little of axle head applied pressure when stage clip was pressed on the axle head, friction force between roll body and the feed roller diminishes, and avoids the feed roller wearing and tearing.
A preferred scheme is, the upper end of axle head is a plane, and this plane is parallel with the upper surface of Access Division.Like this, the plane of axle head upper end can prevent the axle head rotation, thereby avoids the air roll rotation.And cooperating between this plane and the stage clip is more reliable, is convenient to stage clip air roll is fixed.
For realizing another above-mentioned purpose, the photosensitive drums assembly that the utility model provides comprises upper frame and underframe, upper frame is positioned at the top of underframe, one photosensitive drums is installed between upper frame and the described underframe, the below of underframe is provided with paper-pressing mechanism, paper-pressing mechanism has air roll and air roll locating piece, air roll has roll body and from the outward extending axle head of roll body both ends of the surface, the cross-sectional area of each axle head is less than the cross-sectional area of roll body, the Access Division that the air roll locating piece has a sleeve and is positioned at the sleeve top, sleeve has a through hole, the air roll locating piece is sleeved on the axle head by through hole, and wherein, the outer end of axle head extends to outside the sleeve, and on the direction perpendicular to the Access Division upper surface, the upper end of axle head is lower than the upper end of sleeve.
This shows that the axle head of air roll stretches out outside the sleeve, stage clip will be pressed on the axle head, and the upper end of axle head is lower than the upper end of sleeve, can reduce stage clip to the air roll applied pressure, the friction force between roll body and the feed roller also reduces thereupon, and the noise that produces during laser printer work also significantly reduces.
For realizing an above-mentioned purpose again, the cartridge that the handle box that the utility model provides comprises the photosensitive drums assembly and is removably mounted on photosensitive drums assembly top, the photosensitive drums assembly has upper frame and underframe, upper frame is positioned at the top of underframe, one photosensitive drums is installed between upper frame and the underframe, the below of underframe is provided with paper-pressing mechanism, this paper-pressing mechanism has air roll and air roll locating piece, air roll has roll body and from the outward extending axle head of roll body both ends of the surface, the cross-sectional area of each axle head is less than the cross-sectional area of roll body, the Access Division that the air roll locating piece has a sleeve and is positioned at the sleeve top, sleeve has a through hole, the air roll locating piece is sleeved on the axle head by through hole, wherein, the outer end of axle head extends to outside the sleeve, and on the direction perpendicular to the Access Division upper surface, the upper end of axle head is lower than the upper end of sleeve.
By such scheme as seen, behind the laser printer that handle box is installed, stage clip will be pressed on the axle head of air roll, stage clip is less to the air roll applied pressure, pressure between air roll and the feed roller is reduced, avoid air roll wearing and tearing feed roller, the noise that produces when also reducing laser printer work.
Description of drawings
Fig. 1 is the STRUCTURE DECOMPOSITION figure of existing a kind of handle box.
Fig. 2 is the structural representation that existing photosensitive drums assembly cooperates with the laser printer paper feed system.
Fig. 3 is the structural representation that existing paper-pressing mechanism cooperates with the laser printer paper feed system.
Fig. 4 is the cutaway view Amplified image of existing paper-pressing mechanism.
Fig. 5 is the synoptic diagram that the utility model paper-pressing mechanism embodiment cooperates with the laser printer paper feed system.
Fig. 6 is the partial enlarged drawing of the utility model paper-pressing mechanism embodiment.
Fig. 7 is the cutaway view Amplified image of the utility model paper-pressing mechanism embodiment.
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment
Constitute by a photosensitive drums assembly and a cartridge according to handle box of the present utility model, cartridge is removably mounted on the top of photosensitive drums assembly, cartridge has a housing, and housing surrounds the cavity that holds carbon dust, and cartridge also is equipped with parts such as developer roll.The photosensitive drums assembly has a upper frame and a underframe, and upper frame is installed in the top of underframe, and a photosensitive drums is installed between upper frame and underframe, and these are identical with existing handle box.Do not exist together is that lower end at photosensitive drums assembly underframe is provided with the paper-pressing mechanism that the utility model provides.
Referring to Fig. 5, the paper-pressing mechanism 40 of present embodiment is made up of air roll 41 and air roll locating piece 51, and paper-pressing mechanism 40 is positioned at the top of laser printer paper feed system.Paper feed system has three briquettings 31 and two feed rollers 32, and each feed roller 32 is between two adjacent platens 31.
Be respectively equipped with a stage clip 33 at the left end of high order end briquetting 31 and the right-hand member of low order end briquetting 31, stage clip 33 is pressed in the end of air roll 41, thereby pushes air roll 41 to feed roller 32, so that paper passes between air roll 41 and feed roller 32.
Referring to Fig. 6, air roll 41 has roll body 42 and from the outward extending axle head 45 of 42 two end faces of roll body, the cross-sectional area of axle head 45 is less than the cross-sectional area of roll body 42.
Air roll locating piece 51 has a sleeve 52, and the middle part of sleeve 52 is a through hole 53, and the upper surface of through hole 53 is a plane, and the shape of cross section of through hole 53 is identical with the shape of cross section of axle head 45, preferably, and through hole 53 and axle head 45 interference fit.
The top of sleeve 52 is provided with an Access Division 55, and two sidewalls of Access Division 55 are respectively equipped with a projection 57, are used to be connected to the lower end of underframe, so that air roll 41 is positioned on the underframe.
The upper end of roll body 42 is a plane 43, and plane 43 is parallel with the upper surface 56 of Access Division 55.The upper end of axle head 45 also is a plane 46, as shown in Figure 7, and the plane 43 of roll body 42 and the plane 46 coplane settings of axle head 45.Preferably, the roll body 42 of air roll 41 is one-body molded with axle head 45.
Review Fig. 6, stretch out outside the sleeve 52 outer end of axle head 45.On the direction perpendicular to Access Division 55 upper surfaces 56, promptly among Fig. 6 on the Z-direction, the plane 46 of axle head 45 is lower than the upper end of sleeve 52.Like this, as shown in Figure 5, after handle box is installed to laser printer, stage clip 33 is pressed in the axle head 45 outer parts that are exposed at sleeve 52, because the upper end of the exposed parts of axle head 45 is lower than the upper end of sleeve 52, stage clip 33 is less to axle head 45 applied pressures, and then roll body 42 is also less to feed roller 32 applied pressures, can effectively avoid air roll 41 wearing and tearing feed rollers 32, prolong the serviceable life of laser printer.And because the friction force between roll body 42 and the feed roller 32 reduces, the noise that produces during laser printer work also reduces.
Certainly, the foregoing description only is the utility model embodiment preferred, during practical application, more change can also be arranged, for example, the upper surface of air roll axle head be designed to arc surface and and on-plane surface; Perhaps, clearance fit between the through hole of axle head and sleeve and be not interference fit etc., these change does not influence enforcement of the present utility model.
It is emphasized that at last the utility model is not limited to above-mentioned embodiment, also should be included in the protection domain of the utility model claim as the change of Access Division shape, the variations such as change of air roll roll body shape of cross section.
Claims (10)
1. paper-pressing mechanism comprises
Air roll, it has roll body and from the outward extending axle head of described roll body both ends of the surface, the cross-sectional area of each described axle head is less than the cross-sectional area of described roll body;
The air roll locating piece, the Access Division that it has a sleeve and is positioned at described sleeve top, described sleeve has a through hole, and described air roll locating piece is sleeved on the described axle head by described through hole;
It is characterized in that:
The outer end of described axle head extends to outside the described sleeve, and on the direction perpendicular to described Access Division upper surface, the upper end of described axle head is lower than the upper end of described sleeve.
2. paper-pressing mechanism according to claim 1 is characterized in that:
The upper end of described axle head is a plane (46), and described plane (46) are parallel with the upper surface of described Access Division.
3. paper-pressing mechanism according to claim 2 is characterized in that:
The upper end of described roll body also is a plane (43), and plane (46) the coplane setting of described plane (43) and axle head.
4. according to claim 2 or 3 described paper-pressing mechanisms, it is characterized in that:
The through hole upper end of described sleeve is the plane, and the xsect of described through hole is consistent with the shape of cross section of described axle head.
5. the photosensitive drums assembly comprises
Upper frame and underframe, described upper frame is positioned at the top of described underframe, and a photosensitive drums is installed between described upper frame and the described underframe;
The below of described underframe is provided with paper-pressing mechanism, and described paper-pressing mechanism has
Air roll, it has roll body and from the outward extending axle head of described roll body both ends of the surface, the cross-sectional area of each described axle head is less than the cross-sectional area of described roll body;
The air roll locating piece, the Access Division that it has a sleeve and is positioned at described sleeve top, described sleeve has a through hole, and described air roll locating piece is sleeved on the described axle head by described through hole;
It is characterized in that:
The outer end of described axle head extends to outside the described sleeve, and on the direction perpendicular to described Access Division upper surface, the upper end of described axle head is lower than the upper end of described sleeve.
6. photosensitive drums assembly according to claim 5 is characterized in that:
The upper end of described axle head is a plane (46), and described plane (46) are parallel with the upper surface of described Access Division.
7. photosensitive drums assembly according to claim 6 is characterized in that:
The upper end of described roll body also is a plane (43), and plane (46) the coplane setting of described plane (43) and axle head.
8. handle box comprises
Photosensitive drums assembly and the cartridge that is removably mounted on described photosensitive drums assembly top, described photosensitive drums assembly has upper frame and underframe, described upper frame is positioned at the top of described underframe, one photosensitive drums is installed between described upper frame and the described underframe, the below of described underframe is provided with paper-pressing mechanism, and described paper-pressing mechanism has
Air roll, it has roll body and from the outward extending axle head of described roll body both ends of the surface, the cross-sectional area of each described axle head is less than the cross-sectional area of described roll body;
The air roll locating piece, the Access Division that it has a sleeve and is positioned at described sleeve top, described sleeve has a through hole, and described air roll locating piece is sleeved on the described axle head by described through hole
It is characterized in that:
The outer end of described axle head extends to outside the described sleeve, and on the direction perpendicular to described Access Division upper surface, the upper end of described axle head is lower than the upper end of described sleeve.
9. handle box according to claim 8 is characterized in that:
The upper end of described axle head is a plane (46), and described plane (46) are parallel with the upper surface of described Access Division.
10. handle box according to claim 9 is characterized in that:
The upper end of described roll body also is a plane (43), and plane (46) the coplane setting of described plane (43) and axle head.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201189465U CN201611425U (en) | 2010-02-25 | 2010-02-25 | Paper laminating mechanism, photosensitive drum component and processing box |
| PCT/CN2010/079489 WO2011103758A1 (en) | 2010-02-25 | 2010-12-07 | Paper pressing mechanism, photosensitive drum assembly and processing cartridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201189465U CN201611425U (en) | 2010-02-25 | 2010-02-25 | Paper laminating mechanism, photosensitive drum component and processing box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201611425U true CN201611425U (en) | 2010-10-20 |
Family
ID=42962057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201189465U Expired - Lifetime CN201611425U (en) | 2010-02-25 | 2010-02-25 | Paper laminating mechanism, photosensitive drum component and processing box |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN201611425U (en) |
| WO (1) | WO2011103758A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102073263A (en) * | 2011-01-27 | 2011-05-25 | 珠海赛纳打印科技股份有限公司 | Photosensitive element box |
| WO2011103758A1 (en) * | 2010-02-25 | 2011-09-01 | 珠海天威飞马打印耗材有限公司 | Paper pressing mechanism, photosensitive drum assembly and processing cartridge |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2222594Y (en) * | 1995-06-02 | 1996-03-20 | 北京航天电子仪器厂 | Cylinder-type paper cutter |
| CN2722528Y (en) * | 2004-08-06 | 2005-08-31 | 深圳市凯林思电子技术有限公司 | Scanning paper pressing device |
| CN201611425U (en) * | 2010-02-25 | 2010-10-20 | 珠海天威飞马打印耗材有限公司 | Paper laminating mechanism, photosensitive drum component and processing box |
-
2010
- 2010-02-25 CN CN2010201189465U patent/CN201611425U/en not_active Expired - Lifetime
- 2010-12-07 WO PCT/CN2010/079489 patent/WO2011103758A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011103758A1 (en) * | 2010-02-25 | 2011-09-01 | 珠海天威飞马打印耗材有限公司 | Paper pressing mechanism, photosensitive drum assembly and processing cartridge |
| CN102073263A (en) * | 2011-01-27 | 2011-05-25 | 珠海赛纳打印科技股份有限公司 | Photosensitive element box |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011103758A1 (en) | 2011-09-01 |
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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: 20101020 |
|
| CX01 | Expiry of patent term |