CN208953892U - Printer selenium drum end cover gear - Google Patents
Printer selenium drum end cover gear Download PDFInfo
- Publication number
- CN208953892U CN208953892U CN201820713142.6U CN201820713142U CN208953892U CN 208953892 U CN208953892 U CN 208953892U CN 201820713142 U CN201820713142 U CN 201820713142U CN 208953892 U CN208953892 U CN 208953892U
- Authority
- CN
- China
- Prior art keywords
- gear
- roll shaft
- disk
- screw thread
- external
- 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 - Fee Related
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Abstract
The utility model discloses printer selenium drum end cover gears, including first gear disk, second gear disk, whorl brace rod and linking threaded walls, first gear back-end disk outer ring is external gear, and first gear faces left end as external screw thread connecting shaft, the second gear disk is located on the left of external gear, and clamp device is installed between external gear and second gear disk, roll shaft cavity is equipped with inside the first gear disk, the whorl brace rod is welded on external screw thread connecting shaft two sides up and down, and screw rod is interspersed with inside external screw thread connecting shaft, the screw rod upper end is welded with tightening knob, and screw rod lower end is equipped with rubber fastening contact.The printer is formed with selenium drum end cover gear using stainless steel one-time-concreting; it is fastened using gear of the clamp device to nested roll shaft; and it is protected in roll shaft end installation plastic dust nut; dust is avoided to enter gear internal; to reduce the wear intensity of gear and roll shaft, extend the service life of roll shaft and gear.
Description
Technical field
The utility model relates to printer apparatus technical fields, specially printer selenium drum end cover gear.
Background technique
Toner cartridge, also referred to as photosensitive drums, the photosensitive material institute group coated on the basic substrate and substrate being typically made of aluminum
At.Toner cartridge not only determines the quality of print quality, how much also determines money that user needs to spend in use.
In laser printer, 70% or more image-forming block is concentrated in toner cartridge, and the quality of print quality is actually largely
It is to be determined by toner cartridge.
But be all driven using plastic gear on existing toner cartridge roll shaft end cap, the gear of plastic material is working
When, it is easy to skid between gear and roll shaft, the work quality of each roll shaft is influenced, to influence the print quality of printer, separately
Outer existing plastic gear does not have dust reduction capability, and in use for some time, gear is becomed easily infected by with roll shaft interface, adsorbed
Dust increases the wear intensity of roll shaft to increase the degree of friction between gear and roll shaft.
Utility model content
The purpose of this utility model is to provide printer selenium drum end cover gears, to solve to propose in above-mentioned background technique
Plastic material gear at work, between gear and roll shaft be easy skid, the work quality of each roll shaft is influenced, thus shadow
The print quality of printer is rung, in addition existing plastic gear does not have dust reduction capability, in use for some time, gear and roller
It becomed easily infected by axial interface, adsorb dust, to increase the degree of friction between gear and roll shaft, increase asking for the wear intensity of roll shaft
Topic.
To achieve the above object, the utility model provides the following technical solutions, printer selenium drum end cover gear, including the
One toothed disc, second gear disk, whorl brace rod, dust-proof nut and linking threaded walls, first gear back-end disk outer ring is
External gear, and first gear end of facing left is external screw thread connecting shaft, the second gear disk is located on the left of external gear, and external gear with
Clamp device is installed between second gear disk, roll shaft cavity, the whorl brace rod weldering are equipped with inside the first gear disk
The two sides above and below outer thread cnnecting shaft are connect, and are interspersed with screw rod inside external screw thread connecting shaft, the screw rod upper end is welded with
Tightening knob, and screw rod lower end is equipped with rubber fastening contact.
Preferably, the first gear disk, external gear, external screw thread connecting shaft, second gear disk and inner card cage are using stainless
The molding of steel one-time-concreting.
Preferably, institute's roll shaft cavity inner wall is equipped with inner card cage, and inner card cage is evenly distributed in annulus.
Preferably, the clamp device is equipped with two groups, and it is symmetrically installed about the roll shaft cavity center of circle.
Preferably, the dust-proof nut is connected by the way of screw thread handover with linking threaded walls, and dust-proof nut makes
Material is rigid plastics.
Compared with prior art, the utility model has the beneficial effects that the printer is with selenium drum end cover gear using stainless
The molding of steel one-time-concreting, is fastened using gear of the clamp device to nested roll shaft, and installs plastic dust in roll shaft end
Nut protects it, and dust is avoided to enter gear internal, to reduce the wear intensity of gear and roll shaft, extends roll shaft and tooth
The service life of wheel.First gear disk, external gear, external screw thread connecting shaft, second gear disk and inner card cage use stainless steel one-time-concreting
Molding avoids being easy skidding between gear and roll shaft, influences the work quality of each roll shaft, and axis cavity inner wall is equipped with inner card cage,
And inner card cage is evenly distributed in annulus, clamp device is equipped with two groups, and it is symmetrically installed about the roll shaft cavity center of circle, improves gear
Firmness between roll shaft avoids skidding, and dust-proof nut is connected by the way of screw thread handover with linking threaded walls, and anti-
The material that dirt nut uses is rigid plastics, and the dust-proof nut production cost of plastic material is low and easy for removal and installation.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model side structure schematic diagram；
Fig. 3 is the utility model clamp device enlarged structure schematic diagram.
In figure: 1, first gear disk, 2, external gear, 3, external screw thread connecting shaft, 4, second gear disk, 5, roll shaft cavity, 6,
Inner card cage, 7, clamp device, 8, whorl brace rod, 9, screw rod, 10, tightening knob, 11, rubber fastening contact, 12, dust-proof spiral shell
Cap, 13, linking threaded walls.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: printer selenium drum end cover gear, including first
Toothed disc 1, external gear 2, external screw thread connecting shaft 3, second gear disk 4, roll shaft cavity 5, inner card cage 6, clamp device 7, screw thread connect
Extension bar 8, screw rod 9, tightening knob 10, rubber fastening contact 11, dust-proof nut 12 and linking threaded walls 13, first gear disk 1
Rear end outer ring is external gear 2, and 1 left end of first gear disk is external screw thread connecting shaft 3, first gear disk 1, external gear 2, external screw thread
Connecting shaft 3, second gear disk 4 and inner card cage 6 are formed using stainless steel one-time-concreting, avoid being easy to beat between gear and roll shaft
It is sliding, influence the work quality of each roll shaft, second gear disk 4 is located on the left of external gear 2, and external gear 2 and second gear disk 4 it
Between clamp device 7 is installed, clamp device 7 is equipped with two groups, and it is symmetrically installed about 5 center of circle of roll shaft cavity, improve gear with
Firmness between roll shaft avoids skidding, and roll shaft cavity 5 is equipped with inside first gear disk 1, and 5 inner wall of roll shaft cavity is equipped with interior card
Slot 6, and inner card cage 6 is evenly distributed in annulus, whorl brace rod 8 is welded on about 3 two sides of external screw thread connecting shaft, and external screw thread connects
It is interspersed with screw rod 9 inside spindle 3,9 upper end of screw rod is welded with tightening knob 10, and to be equipped with rubber tight for 9 lower end of screw rod
Gu contact 11, dust-proof nut 12 by the way of screw thread handover be connected threaded walls 13 and be connected, and dust-proof nut 12 uses
Material is rigid plastics, and 12 production cost of dust-proof nut of plastic material is low and easy for removal and installation.
Working principle: when using printer selenium drum end cover gear, first the roll shaft in toner cartridge is installed, is then pressed
Good end cap, gear is nested on each roll shaft, is nested in roll shaft in roll shaft cavity 5, then passes through rotary fixture 7
Tightening knob 10 makes tightening knob 10 that the screw rod 9 welded therewith be driven to be engaged whorl brace rod 8, under the occlusion of its internal screw thread
It realizes and pushes, the rubber fastening contact 11 for connecting 9 lower end of screw rod contradicts roll shaft, and roll shaft is fixed, then dust-proof spiral shell
Cap 12 is mounted in linking threaded walls 13, finally adjusts the engagement distance between each gear, when printer work, is passed through
Intermeshing tooth socket between each gear is driven each roll shaft to work, the print job of printer is carried out with this.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (5)
1. a kind of printer selenium drum end cover gear, including first gear disk (1), second gear disk (4), whorl brace rod (8),
Dust-proof nut (12) and linking threaded walls (13), it is characterised in that: first gear disk (1) the rear end outer ring is external gear (2),
And first gear disk (1) left end is external screw thread connecting shaft (3), the second gear disk (4) is located on the left of external gear (2), and outer
It is equipped between gear (2) and second gear disk (4) clamp device (7), roll shaft cavity is equipped with inside the first gear disk (1)
(5), the whorl brace rod (8) is welded on external screw thread connecting shaft (3) two sides up and down, and interspersed inside external screw thread connecting shaft (3)
Have screw rod (9), screw rod (9) upper end is welded with tightening knob (10), and screw rod (9) lower end is equipped with rubber fastening
Contact (11).
2. printer according to claim 1 selenium drum end cover gear, it is characterised in that: the first gear disk (1), outer
Gear (2), external screw thread connecting shaft (3), second gear disk (4) and inner card cage (6) are formed using stainless steel one-time-concreting.
3. printer according to claim 1 selenium drum end cover gear, it is characterised in that: institute roll shaft cavity (5) inner wall is set
Have inner card cage (6), and inner card cage (6) is evenly distributed in annulus.
4. printer according to claim 1 selenium drum end cover gear, it is characterised in that: the clamp device (7) is equipped with
Two groups, and it is symmetrically installed about roll shaft cavity (5) center of circle.
5. printer according to claim 1 selenium drum end cover gear, it is characterised in that: the dust-proof nut (12) uses
The mode of screw thread handover is connected with linking threaded walls (13), and the material that dust-proof nut (12) uses is rigid plastics.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820068071 | 2018-01-16 | ||
| CN2018200680719 | 2018-01-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208953892U true CN208953892U (en) | 2019-06-07 |
Family
ID=66730101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820713142.6U Expired - Fee Related CN208953892U (en) | 2018-01-16 | 2018-05-14 | Printer selenium drum end cover gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208953892U (en) |
-
2018
- 2018-05-14 CN CN201820713142.6U patent/CN208953892U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190607 Termination date: 20200514 |