CN208314452U - A kind of toner cartridge extending the photosensitive drums service life - Google Patents
A kind of toner cartridge extending the photosensitive drums service life Download PDFInfo
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- CN208314452U CN208314452U CN201821039724.7U CN201821039724U CN208314452U CN 208314452 U CN208314452 U CN 208314452U CN 201821039724 U CN201821039724 U CN 201821039724U CN 208314452 U CN208314452 U CN 208314452U
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- photosensitive drums
- duplicate gear
- gear
- moveable top
- toner cartridge
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- Electrophotography Configuration And Component (AREA)
Abstract
A kind of toner cartridge extending the photosensitive drums service life, it is related to laser printer technical field, moveable top is mounted in the sliding slot of plastic parts, and bottom is equipped with pressure spring, moveable top can be up and down in sliding slot under the action of pressure spring, and respectively there is a locating rod at the both ends on moveable top；Cleaning doctor is fixed on moveable top.In locating rod of the major diameter semicircle towards moveable top, due to the radius for being less than semicircle to the distance at the top of locating rod of duplicate gear central point, the locating rod on both sides can be pressed downward by duplicate gear simultaneously, move downward moveable top, cutting edge and the photosensitive drums separation of cleaning doctor；When being further continued for turning to minor diameter semicircle towards locating rod, under the action of pressure spring, moveable top is popped up, and the cutting edge of cleaning doctor acts in photosensitive drums again, continues to clean useless powder.It so repeats, during toner cartridge printing, cleaning doctor and photosensitive drums are not always maintained at contact condition, can be reduced the degree of wear of photosensitive drums.
Description
Technical field
A kind of toner cartridge extending the photosensitive drums service life, is related to laser printer technical field more particularly to a kind of toner cartridge.
Background technique
The print procedure of laser printer can be divided into six charging, imaging, development, transfer, fixing and cleaning process groups
At cleaning process is cleaning doctor for the residual carbon powder cleaning of photosensitive drum surface and is collected into waste powder hopper, and then toner cartridge is again
Into the print procedure of a new round.The main body of photosensitive drums is aluminum pipe, and cleaning doctor is the adhesive tape group by metallic support and polyurethane
At adhesive tape has certain elasticity, acts in photosensitive drums.In the actual use process, it can be seen that photosensitive drums are scraped with cleaning
After the prolonged rubs mutually of knife, the light sensitive layer of photosensitive drums will appear apparent abrasion condition, influences the imaging of toner cartridge and shows
Shadow effect causes the document blackness printed lower than new powder box, and after blackness reduces to a certain extent, powder box is just unable to satisfy
It is normal to require.
Summary of the invention
The purpose of the invention is to mitigate the toner cartridge to occur the case where photosensitive drums abrasion in use.
The technical scheme is that a kind of toner cartridge for extending the photosensitive drums service life, is scraped comprising plastic parts, photosensitive drums, cleaning
Knife, special shape gear group, moveable top and pressure spring.The plastic parts is the plastic shell of toner cartridge, be equipped on plastic parts photosensitive drums,
Cleaning doctor, special shape gear group, moveable top and pressure spring, are the structural mounts of entire toner cartridge, and plastic parts inside bottom has one
Sliding slot；It is cylindrical structure, wherein one end is fixedly installed with driving gear on the photosensitive drums installation plastic parts；The activity
Table top is mounted in the sliding slot of plastic parts, and bottom is equipped with pressure spring, and moveable top can be in sliding slot up and down under the action of pressure spring
Activity, and have detent on sliding slot, make that sliding slot will not be skidded off when moveable top is movable upwards, the both ends on moveable top respectively have one
A locating rod；The cleaning doctor is fixed on moveable top, and installation site is located among two locating rods, and highest point is wanted
Lower than the height of locating rod, the rubber strip edges of cleaning doctor are parallel with photosensitive drums, do not have stress to push i.e. pressure spring in moveable top
When in normal condition, the cutting edge of cleaning doctor is acted on photosensitive drum surface, and pushing in moveable top stress is that pressure spring is in
When compressive state, the cutting edge of cleaning doctor is separated with photosensitive drum surface；The special shape gear group includes left duplicate gear, right duplex
Gear and connecting rod, the left side of left duplicate gear installation and toner cartridge, right duplicate gear are mounted on the right side of toner cartridge, and connecting rod passes across selenium
Drum, left duplicate gear and right duplicate gear are mounted on connecting rod；It is the different circular arc group of two diameters on the left of left duplicate gear
At irregular cylindricality, two arc surfaces connect by arc, form mellow and full transition effect, and the right side of left duplicate gear is round
Gear structure, there is the hole of " D " font at center；The right duplicate gear and left duplicate gear are axially symmetric structures, right double
Joining is gear structure on the left of gear, and right side is irregular column construction, and there is the hole of " D " font at center；The master of the connecting rod
Body is a cylinder, and the left and right ends of connecting rod respectively have one towards identical " D " character form structure, can be packed into duplicate gear
In the hole of " D " font；The special shape gear group is mounted on above cleaning doctor, and left duplicate gear and photosensitive drum driving gear are nibbled
It closes, the irregular cylindrical central point of left and right duplicate gear is located at the top of the locating rod of moveable top two sides, in activity
When table top is in original position, the distance at the top of the central point to locating rod of duplicate gear is greater than irregular column construction minor diameter half
Round radius, less than the radius of irregular column construction major diameter semicircle.
When toner cartridge carries out print job, printer drives photosensitive drums to start turning, and the driving gear of photosensitive drums is with photosensitive
Drum rotates and left duplicate gear is driven to rotate, while entire special shape gear group starts turning.Due to the connecting rod in special shape gear group
" D " word bit towards identical, left and right duplicate gear is axisymmetric structure, so in the course of rotation, left and right duplicate gear
On it is irregular cylindrical towards identical.Minor diameter semicircle towards moveable top locating rod when, the cutting edge of cleaning doctor
It acts in photosensitive drums, the useless powder in energy normal use photosensitive drums；In locating rod of the major diameter semicircle towards moveable top, by
In the radius for being less than semicircle to the distance at the top of locating rod of duplicate gear central point, duplicate gear can be simultaneously by the positioning on both sides
Bar is pressed downward, and moves downward moveable top, cutting edge and the photosensitive drums separation of cleaning doctor；It is further continued for turning to minor diameter semicircle
When towards locating rod, under the action of pressure spring, moveable top is popped up, and the cutting edge of cleaning doctor acts on photosensitive drums again
On, continue to clean useless powder.It so repeats, during toner cartridge printing, cleaning doctor and photosensitive drums are not always maintained at and connect
Touching state can be reduced the degree of wear of photosensitive drums, and in print procedure, although having useless powder in one end time photosensitive drums simultaneously
It is not cleaned, but the time is shorter, can't impact to the effect of printing.
Preferably, by adjusting the gear ratio of the photosensitive drum driving gear number of teeth and duplicate gear, it can control cleaning doctor pair
Photosensitive drums clean interval time.
A kind of beneficial effect for the toner cartridge for extending the photosensitive drums service life of the present invention is: 1, extending the service life of photosensitive drums, prevent
Print defect occur after being only seriously worn because of photosensitive drums causes toner cartridge that can not continue to use；2, the frequency that client replaces toner cartridge is reduced
Rate increases the number for adding powder, achievees the purpose that save office cost and more rationally utilizes resource.
Detailed description of the invention
Fig. 1 is a kind of the schematic diagram of the section structure for the toner cartridge for extending the photosensitive drums service life of the present invention, and Fig. 2 is that one kind of the present invention is prolonged
The special shape gear group structural schematic diagram of the toner cartridge in long photosensitive drums service life, Fig. 3 are a kind of toner cartridges for extending the photosensitive drums service life of the present invention
Left dual gear structure schematic diagram.In figure: 1 is plastic parts, and 11 be sliding slot, and 2 be photosensitive drums, and 21 be driving gear, and 3 be cleaning
Scraper, 4 be special shape gear group, and 41 be left duplicate gear, and 42 be connecting rod, and 43 be right duplicate gear, and 5 be moveable top, and 51 be fixed
Position bar, 6 be pressure spring.
Specific embodiment
In order to which the technical problems, technical solutions and beneficial effects solved by the present invention is more clearly understood, below in conjunction with
The present invention is further illustrated for attached drawing.Referring to attached drawing 1 and Fig. 2, a kind of toner cartridge extending the photosensitive drums service life includes plastic parts
1, photosensitive drums 2, cleaning doctor 3, special shape gear group 4, moveable top 5 and pressure spring 6.The plastic parts 1 is the plastic shell of toner cartridge,
Photosensitive drums 2, cleaning doctor 3, special shape gear 4, moveable top 5 and pressure spring 6 are installed on plastic parts 1, are the structures of entire toner cartridge
Fixing piece, 1 inside bottom of plastic parts have a sliding slot 11；The photosensitive drums 2 are installed on plastic parts 1, are cylindrical structure, wherein one
End is fixedly installed with driving gear 21；The moveable top 5 is mounted in the sliding slot 11 of plastic parts 1, and bottom is equipped with pressure spring 6,
Moveable top 5 can be up and down in sliding slot 11 under the action of pressure spring 6, and has detent on sliding slot 11, make moveable top 5 to
Sliding slot 11 will not be skidded off when upper activity, respectively there is a locating rod 51 at the both ends at 5 top of moveable top；The cleaning doctor 3 is installed
It is fixed on moveable top 5, installation site is located among two locating rods 51, and highest point will be lower than the height of locating rod 51, clearly
The rubber strip edges of clean scraper 3 are parallel with photosensitive drums 2, when it is that pressure spring 6 is in normal condition that moveable top 5 is without stress pushing,
The cutting edge of cleaning doctor 3 acts on 2 surface of photosensitive drums, and pushing in 5 stress of moveable top is that pressure spring 6 is when in a compressed state,
The cutting edge of cleaning doctor 3 is separated with 2 surface of photosensitive drums；The special shape gear group 4 includes left duplicate gear 41, right duplicate gear 43
With connecting rod 42, the left side of left duplicate gear 41 installation and toner cartridge, right duplicate gear 43 is mounted on the right side of toner cartridge, and connecting rod 42 crosses
Toner cartridge is crossed, left duplicate gear 41 and right duplicate gear 43 are mounted on connecting rod 42；The left side of left duplicate gear 41 is two diameters
The irregular cylindricality of different circular arc compositions, two arc surfaces are connected by arc, form mellow and full transition effect, left duplicate gear
41 right side is round gear structure, and there is the hole of " D " font at center；The right duplicate gear 43 and left duplicate gear 41
It is axially symmetric structure, is gear structure on the left of right duplicate gear 43, right side is irregular column construction, and there is " D " word at center
The hole of shape；The main body of the connecting rod 42 is a cylinder, the left and right ends of connecting rod 42 respectively have one towards identical " D " font
Structure can be fitted into the hole of " D " font of duplicate gear；The special shape gear group 4 is mounted on 3 top of cleaning doctor, left duplex
Gear 41 and photosensitive drums 2 drive gear 21 to engage, and the irregular cylindrical central point of left and right duplicate gear is located at movable table
The top of 5 left and right sides locating rod 51 of face, when moveable top 5 is in original position, the central point of duplicate gear to locating rod 51
The distance at top is greater than the radius of irregular column construction minor diameter semicircle, less than the half of irregular column construction major diameter semicircle
Diameter.
When toner cartridge carries out print job, printer drives photosensitive drums 2 to start turning, the driving gears 21 of photosensitive drums 2 with
Photosensitive drums 2 rotate and left duplicate gear 41 are driven to rotate, while entire special shape gear group 4 starts turning.Due to special shape gear group 4
In connecting rod 42 " D " word bit towards identical, left and right duplicate gear is axisymmetric structure, left so in the course of rotation
It is irregular cylindrical towards identical on right duplicate gear.Minor diameter semicircle towards moveable top 5 locating rod 51 when, clearly
The cutting edge of clean scraper 3 acts in photosensitive drums 2, the useless powder in energy normal use photosensitive drums 2；In major diameter semicircle towards movable table
When the locating rod 51 in face 5, since the distance to 51 top of locating rod of duplicate gear central point is less than the radius of semicircle, duplex-gear
The locating rod 51 on both sides can be pressed downward by wheel simultaneously, move downward moveable top 5, the cutting edge and photosensitive drums 2 of cleaning doctor 3 divide
From；When being further continued for turning to minor diameter semicircle towards locating rod 51, under the action of pressure spring 6, moveable top 5 is popped up, clearly
The cutting edge of clean scraper 3 is acted on again in photosensitive drums 2, continues to clean useless powder.So repeat, during toner cartridge printing,
Cleaning doctor 3 and photosensitive drums 2 are not always maintained at contact condition, can be reduced the degree of wear of photosensitive drums 2, and printing
Cheng Zhong, although there is the useless powder in one end time photosensitive drums 2 not cleaned, the time is shorter, can't be to printing
Effect impact.While guaranteeing printing effect, extend the service life of toner cartridge.
Claims (2)
1. a kind of toner cartridge for extending the photosensitive drums service life, it is characterised in that: include plastic parts (1), photosensitive drums (2), cleaning doctor
(3), special shape gear group (4), moveable top (5) and pressure spring (6)；The plastic parts (1) is the plastic shell of toner cartridge, plastic parts
(1) photosensitive drums (2), cleaning doctor (3), special shape gear group (4), moveable top (5) and pressure spring (6) are installed on, are entire selenium
Bulging structural mount, plastic parts (1) inside bottom have a sliding slot (11)；On photosensitive drums (2) installation plastic parts (1), it is
Cylindrical structure, wherein one end is fixedly installed with driving gear (21)；The moveable top (5) is mounted on the cunning of plastic parts (1)
In slot (11), bottom is equipped with pressure spring (6), and moveable top (5) can be living up and down in sliding slot (11) under the action of pressure spring (6)
It is dynamic, and have detent on sliding slot (11), make to skid off sliding slot (11) when moveable top (5) is movable upwards, moveable top (5) top
Respectively there is a locating rod (51) at the both ends in portion；The cleaning doctor (3) is fixed on moveable top (5), installation position set
Intermediate in two locating rods (51), highest point will be lower than the height of locating rod (51), the rubber strip edges of cleaning doctor (3) with it is photosensitive
Rouse (2) in parallel, when it is that pressure spring (6) are in normal condition that moveable top (5) are without stress pushing, the cutting edge of cleaning doctor (3)
It acts on photosensitive drums (2) surface, pushing in moveable top (5) stress is that pressure spring (6) are when in a compressed state, cleaning doctor
(3) cutting edge is separated with photosensitive drums (2) surface；The special shape gear group (4) includes left duplicate gear (41), right duplicate gear
(43) and connecting rod (42), the left side of left duplicate gear (41) installation and toner cartridge, right duplicate gear (43) are mounted on the right side of toner cartridge,
Connecting rod (42) passes across toner cartridge, and left duplicate gear (41) and right duplicate gear (43) are mounted on connecting rod (42)；Left duplicate gear
It (41) is the irregular cylindricality of the different circular arc composition of two diameters on the left of, two arc surfaces are connected by arc, formed mellow and full
Transition effect, the right side of left duplicate gear (41) is round gear structure, and there is the hole of " D " font at center；The right side
Duplicate gear (43) and left duplicate gear (41) are axially symmetric structures, are gear structure on the left of right duplicate gear (43), right side is
There is the hole of " D " font at irregular column construction, center；The main body of the connecting rod (42) is a cylinder, connecting rod (42)
Left and right ends respectively have one towards identical " D " character form structure, can be fitted into the hole of " D " font of duplicate gear；It is described different
Shape gear set (4) is mounted on above cleaning doctor (3), left duplicate gear (41) and photosensitive drums (2) driving gear (21) engagement, left
The irregular cylindrical central point of right duplicate gear is located at the top of locating rod (51) at left and right sides of moveable top (5),
When moveable top (5) is in original position, the distance at the top of the central point to locating rod (51) of duplicate gear is greater than irregular cylindricality
The radius of structure minor diameter semicircle, less than the radius of irregular column construction major diameter semicircle.
2. a kind of toner cartridge for extending the photosensitive drums service life according to claim 1, it is characterised in that: by adjusting photosensitive drums
(2) gear ratio for driving gear (21) number of teeth and left duplicate gear (41) can control cleaning doctor (3) and clean to photosensitive drums (2)
Interval time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821039724.7U CN208314452U (en) | 2018-07-03 | 2018-07-03 | A kind of toner cartridge extending the photosensitive drums service life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821039724.7U CN208314452U (en) | 2018-07-03 | 2018-07-03 | A kind of toner cartridge extending the photosensitive drums service life |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208314452U true CN208314452U (en) | 2019-01-01 |
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ID=64717963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821039724.7U Active CN208314452U (en) | 2018-07-03 | 2018-07-03 | A kind of toner cartridge extending the photosensitive drums service life |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208314452U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108594613A (en) * | 2018-07-03 | 2018-09-28 | 广州欣彩电脑耗材有限公司 | A kind of toner cartridge extending the photosensitive drums service life |
-
2018
- 2018-07-03 CN CN201821039724.7U patent/CN208314452U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108594613A (en) * | 2018-07-03 | 2018-09-28 | 广州欣彩电脑耗材有限公司 | A kind of toner cartridge extending the photosensitive drums service life |
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