CN211454237U - Novel selenium drum core gear - Google Patents
Novel selenium drum core gear Download PDFInfo
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- CN211454237U CN211454237U CN202020388769.6U CN202020388769U CN211454237U CN 211454237 U CN211454237 U CN 211454237U CN 202020388769 U CN202020388769 U CN 202020388769U CN 211454237 U CN211454237 U CN 211454237U
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- drum
- fastener
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- sensitization drum
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Abstract
The utility model discloses a novel selenium drum core gear relates to the printer accessory, aims at solving and adopts glue to connect sensitization drum and gear, the maintenance of being not convenient for when the gear damages, and its technical scheme main points are: including transmission portion and be used for the joint portion with the sensitization drum joint, the one end that transmission portion was kept away from to joint portion is equipped with the fastener that a plurality of annular array distribute, and the fastener is equipped with the plane one that sets up with the rotation direction is perpendicular towards sensitization drum pivoted one side, and the fastener is equipped with the inclined plane in one side of plane one dorsad, and the draw-in groove that is used for holding the fastener is seted up at the both ends of sensitization drum. The utility model discloses a fastener inlays mutually with the draw-in groove, and the setting on its plane one and inclined plane, is convenient for drive the sensitization drum and rotates, and through the setting in antiskid groove, increases the ascending frictional force of axial, makes sensitization drum and gear difficult separation, so need not to use glue, and antiskid groove and inclined plane syntropy set up, so only need opposite direction rotating gear and sensitization drum can realize separating when dismantling.
Description
Technical Field
The utility model relates to a printer accessory, more specifically say, it relates to a novel selenium drum core gear.
Background
The laser printer is not only used in enterprises, schools, national organs, even household users in large quantity at present, but also has high printing speed and high resolution, and the cost of printing consumables is much lower compared with ink jet, the selenium drum is an important component of the printer, the selenium drum generally comprises a photosensitive drum, a magnetic drum (roller) and a toner cartridge, when the laser printer receives printing data, a light beam generated by a laser emitter is swept on the photosensitive drum, and a latent image formed by charges is formed on the surface of the selenium drum; when the latent image passes through the toner cartridge, the toner is adsorbed on the toner cartridge, and the latent image is converted into a real image; then the printing paper is fed, and the toner on the surface of the toner cartridge is transferred to the printing paper to form an image; and the image is solidified on the printing paper by high-temperature heating, and the printing process of one page is completed, so that the selenium drum occupies an important position in the whole printing process.
Wherein carry out the transmission through the gear train between pivoted parts such as sensitization drum and magnetic roller in the selenium drum, realize laser printer's normal work, wherein the gear assembly is mostly materials such as plastics and makes, can't improve the joint strength of sensitization drum and magnetic drum and gear through parts such as screws, so often use glue to consolidate, but when the gear train long-term work because the friction appears wearing and tearing easily, inconvenient people change the gear of damage.
Therefore, a new solution is needed to solve this problem.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a novel selenium drum core gear inlays mutually with the draw-in groove through the fastener, and the setting of its plane one and inclined plane, is convenient for drive sensitization drum and rotates, and through the setting in antiskid groove, increases the ascending frictional force of axial, makes sensitization drum and the difficult separation of gear, so need not to use glue, and antiskid groove and inclined plane syntropy set up, so only need counter direction running gear and sensitization drum can realize the separation when dismantling.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a novel selenium drum core gear, includes transmission portion and is used for the joint portion with the sensitization drum joint, the one end that transmission portion was kept away from to joint portion is equipped with the fastener that a plurality of annular array distribute, the fastener is equipped with the plane one that sets up with the rotation direction is perpendicular towards sensitization drum pivoted one side, the fastener is equipped with the inclined plane to one side of plane one dorsad, the draw-in groove that is used for holding the fastener is seted up at the both ends of sensitization drum.
Through adopting above-mentioned technical scheme, through the mode of joint, the joint portion that makes the gear carries out the joint with the sensitization drum, make things convenient for people to the installation of sensitization drum, and be provided with the fastener in the joint portion, and the plane one and the inclined plane that set up on the fastener, can drive the sensitization drum and rotate when the gear revolve, it skids and needs glue to glue glutinous problem to have solved to appear between sensitization drum and the gear, and then when follow-up change sensitization drum or the gear that damages, be convenient for separate sensitization drum and gear, make things convenient for people's maintenance.
The utility model discloses further set up to: the through-hole that runs through joint portion and transmission portion is seted up to the centre of a circle department of joint portion, annular array distributes in the through-hole has the locating part that has elastic recovery performance, the locating part is used for separating into the through-hole and is connected passageway one and passageway two with the sensitization drum.
Through adopting above-mentioned technical scheme, through the setting at the through-hole for when joint portion and sensitization drum joint, the air current that makes in the draw-in groove can pass through the through-hole and discharge, makes things convenient for the operation of joint, and improves the fastness of joint, and set up the locating part, can play better limiting displacement and when making the hub connection on gear and the selenium drum frame, can not extrude the sensitization drum.
The utility model discloses further set up to: and a plurality of anti-skid grooves distributed in an annular array are formed in the first channel.
Through adopting above-mentioned technical scheme, through the setting in antiskid groove, when the sensitization drum part was embedded into the passageway one in, can further improve the joint strength of sensitization drum and joint portion, the difficult condition that becomes flexible separation appears in gear revolve's in-process, and the setting in antiskid groove can increase contact segment's frictional force to make the gear can smoothly the efficient drive sensitization drum move.
The utility model discloses further set up to: the anti-slip grooves are obliquely arranged towards the photosensitive drum, and the inclination of the anti-slip grooves is the same as that of the inclined surfaces.
Through adopting above-mentioned technical scheme, the slope of antiskid trench sets up, and sets up with the inclined plane syntropy, increases the ascending frictional force of joint portion axial direction of sensitization drum and joint portion, and then improves the joint strength of joint portion and sensitization drum, and when gear and sensitization drum separation, only need twist reverse gear or sensitization drum along the incline direction on inclined plane, makes the separation that sensitization drum and joint portion are light, makes things convenient for people's equipment to dismantle.
The utility model discloses further set up to: and a plurality of stop blocks are arranged at one end of the transmission part, which is far away from the clamping part, and are distributed on the periphery of the two openings of the channel in an annular array manner.
Through adopting above-mentioned technical scheme, through the setting of dog, can keep certain interval with the frame when the gear is connected with the frame of selenium drum, reduce the gear and receive the influence of frame, reduce the wearing and tearing of gear, improve the life of gear.
The utility model discloses further set up to: the clamping portion and the transmission portion are made of polyformaldehyde materials and are of an integrally formed structure.
By adopting the technical scheme, as the polyformaldehyde has good fatigue resistance and wear resistance, the surface hardness is high, the rigidity is good, the gear has good dimensional stability, and the dimensional precision of gear production is improved.
To sum up, the utility model discloses following beneficial effect has:
through the mode of joint, the joint portion that makes the gear carries out the joint with the sensitization drum, make things convenient for people to the installation of sensitization drum, and be provided with the fastener in the joint portion, and plane one and the inclined plane that set up on the fastener, can drive the sensitization drum and rotate when the gear revolve, it skids and needs glue to glue glutinous problem to have solved to appear between sensitization drum and the gear, and then during follow-up change sensitization drum or the gear that damages, be convenient for separate sensitization drum and gear, make things convenient for people's maintenance.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an assembly view of the present invention;
fig. 3 is a cross-sectional view of the present invention.
In the figure: 1. a transmission section; 2. a photosensitive drum; 3. a clamping part; 4. a fastener; 5. a first plane; 6. an inclined surface; 7. a card slot; 8. a through hole; 9. a limiting member; 10. a first channel; 11. a second channel; 12. an anti-slip groove; 13. and a stop block.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
A novel selenium drum core gear is shown in figures 1 to 3, and comprises a transmission part 1 and a clamping part 3 for clamping with a photosensitive drum 2, wherein one end of the transmission part 1, which is far away from the clamping part 3, is provided with a plurality of stop blocks 13, the plurality of stop blocks 13 are distributed on the periphery of an opening of a channel II 11 in an annular array manner, one end of the clamping part 3, which is far away from the transmission part 1, is provided with a plurality of clamping pieces 4 distributed in an annular array manner, one side of each clamping piece 4, which faces the photosensitive drum 2, is provided with a plane I5 which is vertical to the rotating direction, one side of each clamping piece 4, which is back to the plane I5, is provided with an inclined plane 6, two ends of the photosensitive drum 2 are provided with clamping grooves 7 for accommodating the clamping pieces 4, two side walls of each clamping groove 7 are respectively attached to the plane I5 and the inclined plane 6 of the clamping piece 4, a through hole 8 penetrating through, locating part 9 is used for separating into passageway 10 and the passageway two 11 of being connected with sensitization drum 2 with through-hole 8, locating part 9 becomes fan-shaped, and be formed with the clearance between a plurality of locating parts 9, and the centre of a circle department of sensitization drum 2 is formed with the guide part of inlaying in with through-hole 8, wherein set up the antiskid groove 12 that a plurality of annular array distribute in passageway 10, and a plurality of antiskid grooves 12 set up towards the direction slope of sensitization drum 2, the gradient of antiskid groove 12 is the same with the gradient of inclined plane 6, joint portion 3 and transmission portion 1 adopt polyformaldehyde to form through injection molding processing integrated into one piece, and its fastener 4, antiskid groove 12, dog 13 and locating part 9 all are being moulded plastics the in-process with joint portion 3 and transmission portion 1 integrated into one piece.
When the photosensitive drum 2 and the gear are assembled, the clamping part 3 of the gear is clamped with the photosensitive drum 2, the clamping part 4 on the clamping part 3 is embedded into the caulking groove along the inclined plane 6, the surface of the clamping part 4 is attached to the side wall of the caulking groove, the through hole 8 is arranged at the circle center of the clamping part 3 and the transmission part 1, when the clamping part 3 is clamped with the photosensitive drum 2, the air at the joint of the clamping part 3 and the photosensitive drum 2 can be discharged, the clamping of the photosensitive drum 2 and the clamping part 3 is convenient, the guide part of the photosensitive drum 2 is further clamped with the clamping part 3 along the through hole 8, the clamping of the photosensitive drum 2 and the clamping part 3 is guided, the connection strength of the clamping part 3 and the photosensitive drum 2 is improved, the anti-skid groove 12 which is arranged in the same direction with the inclined plane 6 is arranged in the channel I10, the friction force in the axial direction of the contact surface of the clamping part 3 and the photosensitive drum 2 can be increased, and the photosensitive drum 2 is not, need not to use glue to carry out the adhesion to sensitization drum 2 and gear, when the gear of damage is dismantled to needs, only need follow inclined plane direction rotating gear or sensitization drum 2 of inclined plane 6, make sensitization drum 2 separate with joint portion 3, make things convenient for people to maintain the operation, and fastener 4 is tangent with 2 pivoted directions of sensitization drum 5 towards a plane of 2 pivoted directions of sensitization drum, thereby when making the gear rotate through transmission portion 1, can drive sensitization drum 2 and rotate, and the difficult condition that takes place the skew and rock, improve the printing quality of printer.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A novel selenium drum core gear which is characterized in that: including transmission portion (1) and be used for joint portion (3) with sensitization drum (2) joint, the one end that transmission portion (1) was kept away from in joint portion (3) is equipped with fastener (4) that a plurality of annular arrays distribute, fastener (4) are equipped with plane (5) that set up perpendicularly with the direction of rotation towards sensitization drum (2) pivoted one side, one side of fastener (4) plane (5) dorsad is equipped with inclined plane (6), draw-in groove (7) that are used for holding fastener (4) are seted up at the both ends of sensitization drum (2).
2. The novel selenium drum core gear according to claim 1, characterized in that: through-hole (8) that run through joint portion (3) and transmission portion (1) are seted up to the centre of a circle department of joint portion (3), annular array distributes in through-hole (8) has locating part (9) that have elastic recovery performance, locating part (9) are used for separating into passageway one (10) and passageway two (11) of being connected with sensitization drum (2) through-hole (8).
3. The novel selenium drum core gear according to claim 2, characterized in that: a plurality of anti-skid grooves (12) distributed in an annular array are formed in the first channel (10).
4. The novel selenium drum core gear according to claim 3, characterized in that: the anti-slip grooves (12) are obliquely arranged towards the direction of the photosensitive drum (2), and the inclination of the anti-slip grooves (12) is the same as that of the inclined surface (6).
5. The novel selenium drum core gear according to claim 4, characterized in that: one end, far away from the clamping portion (3), of the transmission portion (1) is provided with a plurality of stop blocks (13), and the stop blocks (13) are distributed on the periphery of the opening of the second channel (11) in an annular array mode.
6. The novel selenium drum core gear according to claim 5, characterized in that: the clamping portion (3) and the transmission portion (1) are made of polyformaldehyde materials and are of an integrally formed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020388769.6U CN211454237U (en) | 2020-03-24 | 2020-03-24 | Novel selenium drum core gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020388769.6U CN211454237U (en) | 2020-03-24 | 2020-03-24 | Novel selenium drum core gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211454237U true CN211454237U (en) | 2020-09-08 |
Family
ID=72300126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020388769.6U Active CN211454237U (en) | 2020-03-24 | 2020-03-24 | Novel selenium drum core gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211454237U (en) |
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2020
- 2020-03-24 CN CN202020388769.6U patent/CN211454237U/en active Active
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