CN219016796U

CN219016796U - Selenium drum and printer convenient to installation

Info

Publication number: CN219016796U
Application number: CN202223144272.8U
Authority: CN
Inventors: 候永辉; 刘备
Original assignee: Zhuhai Jingyin Printing Consumables Co ltd
Current assignee: Zhuhai Jingyin Printing Consumables Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-05-12
Anticipated expiration: 2032-11-25

Abstract

The utility model discloses a selenium drum and a printer convenient to install, comprising a printer shell and a selenium drum fixing mechanism; printer housing: the lower side of the inside of the printer shell is symmetrically and rotationally connected with paper feeding rollers through a first bearing, a selenium drum mounting frame is arranged in the printer shell, sliding rails are symmetrically arranged in the selenium drum mounting frame, a selenium drum is connected between the two sliding rails in a sliding manner, the inside of the selenium drum is rotationally connected with a photosensitive drum, a charging roller and a carbon powder roller through a first bearing, a reflecting prism and a connecting plate are respectively arranged in the printer shell, a laser emitter is arranged at the left end of the connecting plate, and the laser emitter corresponds to the left-right position of the reflecting prism; selenium drum fixing mechanism: the selenium drum mounting frame is arranged in the selenium drum mounting frame; wherein: the upper end of printer casing is provided with the singlechip, this selenium drum and printer of being convenient for installation, is convenient for change the selenium drum, and the installation is simple, convenient operation, convenient to use, and application scope is wider.

Description

Selenium drum and printer convenient to installation

Technical Field

The utility model relates to the technical field of printers, in particular to a selenium drum convenient to install and a printer.

Background

Laser printer miscarriage is a laser photocomposition technique at the end of the 80 s, popular in the middle of the 90 s. It is a print-out device that combines laser scanning technology and electrophotographic technology. The basic working principle is that binary data information transmitted by a computer is converted into video signals through a video controller, then the video signals are converted into laser driving signals through a video interface/control system, then a laser scanning system generates laser beams carrying character information, and finally an electronic photographing system images and transfers the laser beams onto paper. Selenium drums, also known as photosensitive drums, are typically composed of a base substrate made of aluminum and a photosensitive material coated on the substrate. In the laser printer, 70% or more of the image forming elements are concentrated in the cartridge, and the quality of printing is actually determined to a large extent by the cartridge. In daily use, need change the selenium drum often, current selenium drum is changed mostly and is needed to take apart laser printer, takes out old selenium drum and changes again, and the selenium drum makes the equipment that damages very easily, and need open the printer in the change process, just be unfamiliar with the printer just and cause the harm to the selenium drum at the change process to the people who is unfamiliar with the printer, if the improper operation of using of also can cause certain influence to the equipment, use inconvenient, for this reason, we propose a selenium drum and printer convenient to install.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides the selenium drum and the printer which are convenient to install, the selenium drum is convenient to replace, the installation process is simple, the operation is convenient, and the problems in the background technology can be effectively solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a selenium drum and printer easy to install, including printer shell and selenium drum fixing mechanism;

printer housing: the lower side of the inside of the printer shell is symmetrically and rotationally connected with paper feeding rollers through a first bearing, a selenium drum mounting frame is arranged in the printer shell, sliding rails are symmetrically arranged in the selenium drum mounting frame, a selenium drum is connected between the two sliding rails in a sliding manner, the inside of the selenium drum is rotationally connected with a photosensitive drum, a charging roller and a carbon powder roller through a first bearing, a reflecting prism and a connecting plate are respectively arranged in the printer shell, a laser emitter is arranged at the left end of the connecting plate, and the laser emitter corresponds to the left-right position of the reflecting prism;

selenium drum fixing mechanism: the selenium drum mounting frame is arranged in the selenium drum mounting frame;

wherein: the upper end of printer casing is provided with the singlechip, and the external power source is connected to the input electricity of singlechip, and the output of singlechip is all connected to the input electricity of charging roller and laser emitter, is convenient for change the selenium drum, and the installation is simple, convenient operation, convenient to use, and application scope is wider.

Further, selenium drum fixed establishment includes apron, stand, slide, cardboard and card hole, apron sliding connection is in the inside left side of selenium drum installing frame, and the inside of apron is provided with the stand, and the inside sliding connection of apron has the slide, and the inside round hole of slide and stand sliding connection, both ends all rotate through the round pin axle and are connected with the cardboard around the slide, and the card hole has all been seted up to the relative inboard end of slide rail, and cardboard and card hole cooperation installation can be fixed the selenium drum.

Further, the selenium drum fixing mechanism further comprises a spring, the spring is sleeved on the outer cambered surface of the upright post, the upper end of the spring is fixedly connected with the lower end of the sliding plate, and the lower end of the spring is fixedly connected with the bottom wall of the cover plate, so that the sliding plate can automatically reset.

Further, selenium drum fixed establishment still includes bar hole and spacing post, the inside of cardboard is seted up respectively in the bar hole, and the right wall symmetry of apron is provided with spacing post, and spacing post respectively with adjacent bar hole sliding connection can lead the motion of cardboard.

Further, the selenium drum fixing mechanism further comprises a pressing block, the pressing block is arranged at the left end of the sliding plate, the left end of the pressing block penetrates through the rectangular hole at the left end of the cover plate and is exposed to the outside of the cover plate, and the sliding plate is convenient to drive to move.

Further, the back wall of printer casing is provided with the L shaped plate respectively, and the inside of L shaped plate all is provided with the motor, and the output shaft rear end of motor and the rear end of paper feed roller all are provided with the belt pulley, all are connected through belt transmission between the adjacent three belt pulley, and the output of singlechip can drive paper feed roller operation is all connected to the input of motor.

Further, the lower extreme of printer casing is provided with rubber shock pad, can carry out the shock attenuation to this printer.

Compared with the prior art, the utility model has the beneficial effects that: the selenium drum and printer convenient to install have the following advantages:

when need change the selenium drum, at first slide the selenium drum along the slide rail in, the slide rail can lead the selenium drum, prevent to put into the in-process selenium drum and receive the damage, put into the back at the selenium drum, upwards pull the slide through the briquetting, the slide moves upward and drives the spring and be stretched, drive the cardboard and regard the axle center of round pin axle as the centre of a circle, under the spacing effect of spacing post, the cardboard is separated from outside mutually and is moved to the inside of apron, insert the inside of selenium drum installing frame with the apron, loosen the briquetting, under the elasticity operation of spring, the cardboard is separated from outside mutually and is moved to the outside of apron and card hole joint, can fix the selenium drum in the inside of selenium drum installing frame, be convenient for fix the selenium drum, be convenient for change the selenium drum, easy operation, the range of application is wider.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the internal cross-sectional structure of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of the present utility model at A;

FIG. 4 is a left-hand structural schematic diagram of the present utility model;

FIG. 5 is an enlarged schematic view of the structure of the present utility model at B;

fig. 6 is a schematic view of the internal cross-sectional structure of the cover plate of the present utility model.

In the figure: the printer comprises a printer shell, a 2 paper feeding roller, a 3 selenium drum mounting frame, a 4 sliding rail, a 5 selenium drum, a 6 photosensitive drum, a 7 charging roller, an 8 carbon powder roller, a 9 selenium drum fixing mechanism, a 91 cover plate, a 92 upright post, a 93 sliding plate, a 94 clamping plate, a 95 clamping hole, a 96 spring, a 97 bar hole, a 98 limit post, a 99 pressing block, a 10 reflecting prism, a 11 connecting plate, a 12 laser emitter, a 13 singlechip, a 14L-shaped plate, a 15 motor, a 16 belt pulley, a 17 belt and a 18 rubber shock pad.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present embodiment provides a technical solution: a selenium drum and printer easy to install, including printer shell 1 and selenium drum fixing mechanism 9;

printer housing 1: the lower side of the inside of the printer shell is respectively and symmetrically connected with a paper feed roller 2 through a bearing I, the inside of the printer shell 1 is provided with a selenium drum installation frame 3, the inside of the selenium drum installation frame 3 is symmetrically provided with sliding rails 4, a selenium drum 5 is connected between the two sliding rails 4 in a sliding way, the inside of the selenium drum 5 is respectively and rotatably connected with a photosensitive drum 6, a charging roller 7 and a carbon powder roller 8 through bearings I, the inside of the printer shell 1 is respectively provided with a reflecting prism 10 and a connecting plate 11, the left end of the connecting plate 11 is provided with a laser emitter 12, the laser emitter 12 corresponds to the left and right positions of the reflecting prism 10, the rear wall of the printer shell 1 is respectively provided with an L-shaped plate 14, the inside of the L-shaped plate 14 is provided with a motor 15, the rear end of an output shaft of the motor 15 and the rear end of the paper feed roller 2 are respectively provided with belt pulleys 16, the adjacent three belt pulleys 16 are in transmission connection through a belt 17, the input end of the motor 15 is electrically connected with the output end of the single chip microcomputer 13, the lower end of the printer shell 1 is provided with a rubber shock pad 18, when paper needs to be printed, the paper is firstly fed from a paper inlet at the lower side, the single chip microcomputer 13 is connected with external output equipment, the motor 15 starts to operate through the single chip microcomputer 13, three adjacent belt pulleys 16 are distributed in a triangle shape, the motor 15 rotates to drive the belt pulleys 16 and the paper feeding roller 2 to operate, the paper is driven to move from front to back, when the paper moves to the lower side of the selenium drum 5, the paper contacts with the lower end of the outer cambered surface of the photosensitive drum 6, the outer cambered surfaces of the charging roller 7 and the carbon powder roller 8 contact with the outer cambered surface of the photosensitive drum 6, the charging roller 7 starts to operate through the single chip microcomputer 13, the photosensitive drum 6 is charged by the charging roller 7 to obtain a certain potential, and after the single chip microcomputer 13 receives externally transmitted image information, the internal software of the singlechip 13 processes the information and then controls the laser transmitter 12 to start running, the laser beam emitted by the laser transmitter 12 is reflected and diffused by the reflecting prism 10 and then irradiates the surface of the photosensitive drum 6, after the exposure of the laser beam carrying graphic image information, the surface of the photosensitive drum 6 forms an electrostatic latent image, the toner roller 8 attaches the toner in the selenium drum 5 to the surface of the photosensitive drum 6, when the paper passes through, characters and images can be fused on the paper, the printed paper is discharged from a paper outlet at the rear side, and the printing of the paper can be finished, so that the paper is convenient to use;

selenium drum fixed establishment 9: the selenium drum fixing mechanism 9 comprises a cover plate 91, a stand column 92, a sliding plate 93, a clamping plate 94 and a clamping hole 95, wherein the cover plate 91 is slidably connected to the left side of the inside of the selenium drum mounting frame 3, the stand column 92 is arranged in the cover plate 91, the sliding plate 93 is slidably connected to the inside of the cover plate 91, round holes in the sliding plate 93 are slidably connected with the stand column 92, the clamping plate 94 is rotatably connected to the front end and the rear end of the sliding plate 93 through pin shafts, the clamping hole 95 is formed in the opposite inner side ends of the sliding rail 4, the clamping plate 94 is matched with the clamping hole 95, the selenium drum fixing mechanism 9 further comprises a spring 96, the spring 96 is sleeved on an outer arc surface of the stand column 92, the upper end of the spring 96 is fixedly connected with the lower end of the sliding plate 93, the lower end of the spring 96 is fixedly connected with the bottom wall of the cover plate 91, the selenium drum fixing mechanism 9 further comprises a bar hole 97 and a limit post 98, the bar hole 97 is respectively formed in the clamping plate 94, the right wall of the cover plate 91 is symmetrically provided with limit posts 98, the limit posts 98 are respectively connected with adjacent strip-shaped holes 97 in a sliding manner, the selenium drum fixing mechanism 9 further comprises a pressing block 99, the pressing block 99 is arranged at the left end of the sliding plate 93, the left end of the pressing block 99 penetrates through the rectangular hole at the left end of the cover plate 91 and is exposed to the outside of the cover plate 91, when the selenium drum 5 needs to be replaced, the selenium drum 5 is firstly slid in along the sliding rail 4, the sliding rail 4 can guide the selenium drum 5 to prevent the selenium drum 5 from being damaged in the process of being placed, after the selenium drum 5 is placed, the sliding plate 93 is lifted upwards through the pressing block 99, the sliding plate 93 moves upwards to drive the spring 96 to be stretched to drive the clamping plate 94 to do circular motion by taking the axis of the pin as the center of the circle, under the limiting effect of the limit posts 98, the opposite outer ends of the clamping plate 94 move towards the inside of the cover plate 91, the cover plate 91 is inserted into the selenium drum mounting frame 3, the pressing block 99 is loosened, under the elastic force operation of the spring 96, the opposite outer side ends of the clamping plates 94 move outwards from the cover plate 91 and are clamped with the clamping holes 95, so that the selenium drum 5 can be fixed inside the selenium drum mounting frame 3, the selenium drum 5 can be conveniently fixed, the selenium drum 5 can be conveniently replaced, the operation is simple, and the application range is wider;

wherein: the upper end of printer casing 1 is provided with singlechip 13, and the external power source is connected to the input electricity of singlechip 13, and the output of singlechip 13 is all connected to the input electricity of charging roller 7 and laser emitter 12, and the normal operation of singlechip 13 control charging roller 7, laser emitter 12 and motor 15.

The working principle of the selenium drum and the printer convenient to install provided by the utility model is as follows: when the paper needs to be printed, firstly, the paper is fed from a paper inlet at the lower side, the singlechip 13 is connected with external output equipment, the motor 15 starts to operate through the singlechip 13, three adjacent belt pulleys 16 are distributed in a triangle, the motor 15 rotates to drive the belt pulleys 16 and the paper feeding roller 2 to operate, the paper is driven to move from front to back, when the paper moves to the lower side of the selenium drum 5, the paper contacts with the lower end of the outer cambered surface of the photosensitive drum 6, the charging roller 7 and the outer cambered surface of the carbon powder roller 8 contact with the outer cambered surface of the photosensitive drum 6, the charging roller 7 starts to operate through the singlechip 13, the charging roller 7 charges the photosensitive drum 6 to obtain a certain potential, after the singlechip 13 receives image information sent from the outside, the internal software of the singlechip 13 processes the information and then controls the laser emitter 12 to start to operate, the laser beam emitted by the laser emitter 12 irradiates the surface of the photosensitive drum 6 after being reflected and diffused by the reflecting prism 10, an electrostatic latent image is formed on the surface of the photosensitive drum 6 after the exposure of the laser beam carrying graphic image information, the carbon powder in the selenium drum 5 is adhered on the surface of the photosensitive drum 6 by the carbon powder roller 8, characters and images can be fused on the paper when the paper passes, the printed paper is discharged from a paper outlet at the rear side, the paper can be printed, the use is convenient, when the selenium drum 5 needs to be replaced, the selenium drum 5 is firstly slid in along the sliding rail 4, the sliding rail 4 can guide the selenium drum 5, the selenium drum 5 is prevented from being damaged in the process of being put in, after the selenium drum 5 is put in, the sliding plate 93 is lifted upwards by the pressing block 99, the sliding plate 93 moves upwards to drive the spring 96 to be stretched, the clamping plate 94 is driven to do circular motion by taking the axis of the pin shaft as the center of a circle, under the limiting function of the limiting post 98, the opposite outer side of cardboard 94 is from the inside motion of outside end to apron 91, inserts the inside of selenium drum installing frame 3 with apron 91, loosens briquetting 99, under the elasticity operation of spring 96, the opposite outer side of cardboard 94 is from the outside motion of outside end to apron 91 and the joint of draw-in hole 95, can fix selenium drum 5 in the inside of selenium drum installing frame 3, is convenient for fix selenium drum 5, is convenient for change selenium drum 5, easy operation, and the range of application is wider.

It should be noted that the singlechip 13 disclosed in the above embodiment may be S7-1200, the laser transmitter 12 may be S186ELDQ, the motor 15 may be ZWBMD024024-4, and the singlechip 13 controls the operation of the laser transmitter 12 and the motor 15 by methods commonly used in the prior art.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. Selenium drum and printer convenient to installation, its characterized in that: comprises a printer shell (1) and a selenium drum fixing mechanism (9);

printer housing (1): the inside lower side of the printer is respectively and symmetrically connected with a paper feeding roller (2) through a bearing I, the inside of the printer shell (1) is provided with a selenium drum installation frame (3), the inside of the selenium drum installation frame (3) is symmetrically provided with sliding rails (4), a selenium drum (5) is connected between the two sliding rails (4) in a sliding way, the inside of the selenium drum (5) is respectively and rotatably connected with a photosensitive drum (6), a charging roller (7) and a carbon powder roller (8) through bearings I, the inside of the printer shell (1) is respectively provided with a reflecting prism (10) and a connecting plate (11), the left end of the connecting plate (11) is provided with a laser emitter (12), and the laser emitter (12) corresponds to the left-right position of the reflecting prism (10);

selenium drum fixed establishment (9): the selenium drum is arranged in the selenium drum mounting frame (3);

wherein: the upper end of printer casing (1) is provided with singlechip (13), and the input of singlechip (13) is connected external power source electricity, and the output of singlechip (13) is all connected to the input of charging roller (7) and laser emitter (12) electricity.

2. The cartridge and printer of claim 1, wherein: selenium drum fixed establishment (9) are including apron (91), stand (92), slide (93), cardboard (94) and card hole (95), apron (91) sliding connection is in the inside left side of selenium drum installation frame (3), and the inside of apron (91) is provided with stand (92), and the inside sliding connection of apron (91) has slide (93), and the inside round hole of slide (93) and stand (92) sliding connection, both ends all have cardboard (94) through round pin hub rotation connection around slide (93), and card hole (95) have all been seted up to the relative inboard end of slide rail (4), and cardboard (94) are installed with card hole (95) cooperation.

3. The cartridge and printer of claim 2, wherein: the selenium drum fixing mechanism (9) further comprises a spring (96), the spring (96) is sleeved on the outer cambered surface of the upright post (92), the upper end of the spring (96) is fixedly connected with the lower end of the sliding plate (93), and the lower end of the spring (96) is fixedly connected with the bottom wall of the cover plate (91).

4. The cartridge and printer of claim 2, wherein: the selenium drum fixing mechanism (9) further comprises strip-shaped holes (97) and limiting columns (98), the strip-shaped holes (97) are respectively formed in the clamping plates (94), the limiting columns (98) are symmetrically arranged on the right wall of the cover plate (91), and the limiting columns (98) are respectively connected with the adjacent strip-shaped holes (97) in a sliding mode.

5. The cartridge and printer of claim 2, wherein: the selenium drum fixing mechanism (9) further comprises a pressing block (99), the pressing block (99) is arranged at the left end of the sliding plate (93), and the left end of the pressing block (99) penetrates through the rectangular hole at the left end of the cover plate (91) and is exposed to the outside of the cover plate (91).

6. The cartridge and printer of claim 1, wherein: the printer is characterized in that the rear wall of the printer shell (1) is respectively provided with an L-shaped plate (14), the inside of the L-shaped plate (14) is provided with a motor (15), the rear end of an output shaft of the motor (15) and the rear end of the paper feeding roller (2) are respectively provided with a belt pulley (16), the adjacent three belt pulleys (16) are in transmission connection through a belt (17), and the input end of the motor (15) is electrically connected with the output end of the singlechip (13).

7. The cartridge and printer of claim 1, wherein: the lower end of the printer shell (1) is provided with a rubber shock pad (18).