Printer toner cartridge with positioning structure

Abstract

The utility model relates to the field of printer selenium drums, in particular to a printer selenium drum with a positioning structure, which comprises a photosensitive drum and a mounting frame, the photosensitive drum is mounted in the mounting frame, the left side of the photosensitive drum is fixedly connected with a first gear, the right side of the photosensitive drum is provided with the storage groove, the storage groove is internally and movably connected with the extension column, the storage groove is internally and fixedly connected with a guide rod, the guide rod is sleeved with the spring, and the extension column is sleeved with the guide rod; the extension column is inserted into the mounting frame; the accommodating groove is formed in the right side of the photosensitive drum, the guide rod is fixedly connected in the accommodating groove, the spring is sleeved on the guide rod, the extension column is sleeved on the outer side of the guide rod, the extension column is connected with the accommodating groove through the spring, and the extension column can be driven to move left and right in the accommodating groove by extruding the spring. When the photosensitive drum is mounted and dismounted, friction between the right side of the photosensitive drum and the inner wall of the mounting frame can be reduced, and the photosensitive drum is prevented from being damaged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the printer selenium drum field, concretely relates to a printer selenium drum with positioning structure. BACKGROUND

[0002] The selenium drum that concentrates 70% of the imaging components and has the combination of photosensitive drum and mounting frame determines the quality of printing, and is the more common parts in laser printer.

[0003] At present, the selenium drum of the existing printer selenium drum is often clamped in the mounting frame, but such mounting mode leads to selenium drum being easily touched during dismounting selenium drum, causing the damage of selenium drum and the reduction of service life of printer selenium drum.

[0004] Therefore, in view of the problem that the fixing mode of the existing printer selenium drum leads to the photosensitive drum being easily damaged during dismounting, a printer selenium drum with positioning structure can be designed, which is fixed by clamping the extension column in the mounting frame through the elastic connection of the extension column in the receiving groove on the right side of the photosensitive drum, so that the photosensitive drum can be conveniently taken out from the mounting frame by extruding the extension column, avoiding the damage to the photosensitive drum. SUMMARY

[0005] In order to overcome the problem that the fixing mode of the existing printer selenium drum leads to the photosensitive drum being easily damaged during dismounting.

[0006] The technical scheme of the utility model is as follows: a printer selenium drum with positioning structure, which comprises a photosensitive drum and a mounting frame, and further comprises a receiving groove, an extension column and a spring, the mounting frame is provided with the photosensitive drum, the left side of the photosensitive drum is fixedly connected with a gear, the right side of the photosensitive drum is provided with the receiving groove, the extension column is movably connected in the receiving groove, the receiving groove is fixedly connected with a guide rod, the guide rod is externally sleeved with the spring, one end of the spring is fixedly connected in the receiving groove, the other end of the spring is fixedly connected on the extension column, the extension column is externally sleeved on the guide rod, and the extension column is inserted in the mounting frame.

[0007] Preferably, a receiving groove is formed on the right side of the photosensitive drum, a guide rod is fixedly connected in the receiving groove, a spring is sleeved on the guide rod, an extension column is sleeved on the outer side of the guide rod, the spring connects the extension column and the receiving groove, the extension column can move left and right in the receiving groove by extruding the spring, the extension column is extruded before installation, the photosensitive drum is placed in the mounting frame by pinching the second gear and the first gear, the inner wall of the mounting frame extrudes the extension column, after the position is adjusted, the extension column is reset by the spring after losing the extrusion of the inner wall, and clamped in the mounting frame to realize fixation, when disassembling, the photosensitive drum is taken out by extruding the extension column and pinching the first gear and the second gear, the design can reduce the friction between the right side of the photosensitive drum and the inner wall of the mounting frame when the photosensitive drum is installed and disassembled, the photosensitive drum is prevented from being damaged, and the mounting frame can install the photosensitive drum in the printer.

[0008] Preferably, the first gear is provided with the second gear which is close to the inner wall of the mounting frame, and the second gear is fixedly connected with the fixing column which is inserted into the first gear.

[0009] Preferably, the photosensitive drum is provided with a waste collecting box at the front side, the waste collecting box is provided with a supporting groove, and the supporting groove is provided with a collecting roller.

[0010] Preferably, the waste collecting box is provided with a box cover at the top end, the box cover is provided with left-right symmetrical insertion grooves, and the waste collecting box is movably connected with rotating insertion columns matched with the insertion grooves at the top end.

[0011] Preferably, the box cover is fixedly connected with a cleaning silica gel scraper at the front end, and the front end of the cleaning silica gel scraper is close to the outer side of the photosensitive drum.

[0012] Preferably, the photosensitive drum is provided with a charging roller above, and the charging roller is fixedly connected with a fourth gear which is engaged with the second gear at the left side.

[0013] Preferably, the mounting frame is fixedly connected with fixed buckles at the left and right sides, the mounting frame is provided with a slot at the front side, and the mounting frame is provided with a semicircular groove above the slot at the top end.

[0014] The photosensitive drum is provided with the waste collecting box, the box cover, the cleaning silica gel scraper, the charging roller, the mounting frame, the fixed buckles, the slot and the semicircular groove, so that the photosensitive drum can be installed in the printer, the waste collecting box can collect waste, the box cover can be opened and closed, the cleaning silica gel scraper can clean the photosensitive drum, the charging roller can charge the photosensitive drum, the mounting frame can fix the photosensitive drum, the fixed buckles can fix the mounting frame, the slot can prevent the photosensitive drum from being damaged, and the semicircular groove can prevent the photosensitive drum from being damaged.

[0015] By setting up the receiving groove on the right side of the photosensitive drum, the guide rod is fixedly connected in the receiving groove, the spring is sleeved on the guide rod, the extension column is sleeved on the outer side of the guide rod, the extension column is connected with the receiving groove through the spring, the extension column can be moved left and right in the receiving groove through extruding the spring, the extension column is extruded before installation, the photosensitive drum is placed in the mounting frame by pinching the second gear and the first gear, the inner wall of the mounting frame extrudes the extension column, the position is fine-tuned after the hand is loosened, the extension column is reset by the spring, is clamped in the mounting frame and is fixed, when disassembling, the photosensitive drum is taken out by extruding the extension column and pinching the first gear and the second gear, the design can reduce the friction between the right side of the photosensitive drum and the inner wall of the mounting frame when installing and disassembling the photosensitive drum, and damage of the photosensitive drum is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A first three-dimensional structure schematic diagram of a photosensitive drum of a printer selenium drum with a positioning structure is shown.

[0017] Figure 2 A second three-dimensional structure schematic diagram of a photosensitive drum of a printer selenium drum with a positioning structure is shown.

[0018] Figure 3 A three-dimensional structure schematic diagram of a waste collecting box of a printer selenium drum with a positioning structure is shown.

[0019] Figure 4 A three-dimensional structure schematic diagram of a box cover of a printer selenium drum with a positioning structure is shown.

[0020] Figure 5 A first three-dimensional structure schematic diagram of a printer selenium drum with a positioning structure is shown.

[0021] Figure 6 A three-dimensional structure schematic diagram of a mounting frame of a printer selenium drum with a positioning structure is shown.

[0022] The reference signs are as follows: 1, photosensitive drum; 2, mounting frame; 3, receiving groove; 4, extension column; 5, spring; 6, first gear; 7, guide rod; 8, second gear; 9, fixed column; 10, waste collecting box; 11, supporting groove; 12, collecting roller; 13, third gear; 14, box cover; 15, insertion slot; 16, rotating insertion column; 17, cleaning silica gel scraper; 18, charging roller; 19, fourth gear; 20, fixed buckle; 21, slot; 22, semicircular groove. DETAILED DESCRIPTION

[0023] The utility model is further explained in connection with the drawings and examples.

[0024] Please see Figures 1-6 This utility model provides an embodiment: a printer drum with a positioning structure, including a photosensitive drum 1 and a mounting bracket 2; it also includes a storage slot 3, an extension post 4, and a spring 5. The photosensitive drum 1 is installed in the mounting bracket 2. A gear 6 is fixedly connected to the left side of the photosensitive drum 1. The storage slot 3 is opened on the right side of the photosensitive drum 1. An extension post 4 is movably connected in the storage slot 3. A guide rod 7 is fixedly connected in the storage slot 3. A spring 5 is sleeved on the outside of the guide rod 7. One end of the spring 5 is fixedly connected in the storage slot 3, and the other end of the spring 5 is fixedly connected to the extension post 4. The extension post 4 is sleeved on the outside of the guide rod 7 and inserted into the mounting bracket 2. By opening the storage slot 3 on the right side of the photosensitive drum 1, and fixing the guide rod 7 in the storage slot 3, with the spring 5 sleeved on the guide rod 7, and the extension post 4 sleeved in the storage slot 3, the system achieves the desired effect. On the outside of the guide rod 7, the spring 5 connects the extension column 4 to the storage slot 3. By squeezing the spring 5, the extension column 4 can move left and right within the storage slot 3. Before installation, squeeze the extension column 4 and pinch the second gear 8 and the first gear 6 to place the photosensitive drum 1 in the mounting frame 2. The inner wall of the mounting frame 2 will squeeze the extension column 4. After releasing the hand, make a slight adjustment to the position. After the inner wall compression is removed, the spring 5 can make the extension column 4 return to its original position and be fixed in the mounting frame 2. When removing, squeeze the extension column 4 and pinch the first gear 6 and the second gear 8 to remove the photosensitive drum 1. This design can reduce the friction between the right side of the photosensitive drum 1 and the inner wall of the mounting frame 2 when installing and removing the photosensitive drum 1, avoiding damage to the photosensitive drum 1. The mounting frame 2 can install the photosensitive drum 1 inside the printer.

[0025] Please see Figures 1-5In the embodiment, the first gear 6 is provided with the second gear 8 close to the inner wall of the mounting frame 2, the second gear 8 is fixedly connected with the fixed column 9 inserted into the first gear 6, and the second gear 8 drives the first gear 6 fixedly connected with the photosensitive drum 1 to rotate after rotating. The photosensitive drum 1 is provided with a waste collecting box 10 at the front side, the waste collecting box 10 is provided with a supporting groove 11, the supporting groove 11 is provided with a collecting roller 12, the collecting roller 12 is provided with the third gear 13 engaged with the second gear 8 at the left side, and the second gear 8 drives the collecting roller 12 to rotate, so as to drive the collecting roller 12 to rotate, collect the excess carbon powder, transport the excess carbon powder into the waste collecting box 10, and set the box cover 14 at the top of the waste collecting box 10. The box cover 14 is provided with the insertion slot 15 symmetrical to the left and right, the waste collecting box 10 is movably connected with the rotating insertion column 16 matched with the insertion slot 15 at the top, the insertion slot 15 of the box cover 14 is inserted through the rotating insertion column 16, so that the box cover 14 is close to the top of the waste collecting box 10, the rotating insertion column 16 is rotated to form clamping, so as to avoid the box cover 14 from falling off the waste collecting box 10, and the cleaning silica gel scraper 17 is fixedly connected at the front end of the box cover 14. The front end of the cleaning silica gel scraper 17 is close to the outside of the photosensitive drum 1, the cleaning silica gel scraper 17 can scrape the excess carbon powder on the photosensitive drum 1, and the silica gel material is not easy to damage the photosensitive drum 1.

[0026] Please refer to Figures 5-6 In the embodiment, the photosensitive drum 1 is provided with the charging roller 18 above, the charging roller 18 is fixedly connected with the fourth gear 19 engaged with the second gear 8 at the left side, the charging roller 18 can lay the electronic on the outside of the photosensitive drum 1, and the magnetic carbon powder can be formed into a picture required for printing and adsorbed on the outside of the photosensitive drum 1 through laser. The mounting frame 2 is fixedly connected with the fixed buckle 20 at the left and right sides, the mounting frame 2 is provided with the slot 21 at the front side, and the semi-arc-shaped groove 22 is arranged above the slot 21 at the top of the mounting frame 2. Four fingers are inserted into the slot 21, and then the thumb is pressed on the semi-arc-shaped groove 22, so as to facilitate the forward and backward movement of the mounting frame 2. The mounting frame 2 can be fixed in the printer through the buckle.

[0027] When working, the fourth gear 19 drives the charging roller 18 to rotate after rotating, the fourth gear 19 drives the second gear 8 to rotate, so as to drive the first gear 6 and the photosensitive drum 1 fixedly connected with the first gear 6 to rotate, the charging roller 18 lays the electric charge on the outside of the photosensitive drum 1, the developing roller uniformly adsorbs the carbon powder on the latent electrostatic image when the laser scanning device forms the latent electrostatic image on the surface of the photosensitive drum 1 according to the printing content, and a visible image is formed. Then, the carbon powder is permanently fused on the paper under the action of high temperature and pressure, and the printing process is completed.

[0028] After printing, when rotating, the photosensitive drum 1 is in contact with the cleaning silica gel scraper 17, and the excess carbon powder is scraped off. The second gear 8 drives the third gear 13 to rotate, thereby driving the collection roller 12 to rotate and collecting the carbon powder into the waste collection box 10.

[0029] When the photosensitive drum 1 needs to be cleaned or replaced, the outer shell of the printer is opened, the four fingers except the thumb are inserted into the slot 21, the thumb is pressed in the semicircular groove 22, and then the mounting frame 2 is pulled outwards, so that the buckle is detached from the printer. The mounting frame 2 is taken out of the printer, the charging roller 18 is removed, the bolt is unscrewed, the waste collection box 10 is taken out, the rotating insertion column 16 is rotated, the rotating insertion column 16 is matched with the insertion slot 15, the box cover 14 is opened, and the carbon powder is sucked away using a dust collector.

[0030] The staff squeezes the extension column 4, the extension column 4 squeezes the spring 5, the extension column 4 is stored in the storage slot 3, and the other hand holds the second gear 8 and the first gear 6. The photosensitive drum 1 is taken out of the mounting frame 2, the second gear 8 is taken out, the photosensitive drum 1 is cleaned or a new photosensitive drum 1 is taken out, the fixing column 9 is inserted into the first gear 6, the extension column 4 is squeezed, the photosensitive drum 1 is placed in the mounting frame 2, the inner wall of the mounting frame 2 squeezes the photosensitive drum 1, and the extension column 4 is popped out and inserted into the mounting frame 2 to form a fixation.

[0031] Through the above steps, the storage slot 3 is opened on the right side of the photosensitive drum 1, the guide rod 7 is fixedly connected in the storage slot 3, the spring 5 is sleeved on the guide rod 7, the extension column 4 is sleeved on the outer side of the guide rod 7, the spring 5 connects the extension column 4 and the storage slot 3, the extension column 4 can be moved left and right in the storage slot 3 by squeezing the spring 5, the extension column 4 is squeezed before installation, and the photosensitive drum 1 is placed in the mounting frame 2 by holding the second gear 8 and the first gear 6. The inner wall of the mounting frame 2 squeezes the extension column 4, the position is adjusted after the hand is released, the spring 5 can reset the extension column 4 after losing the squeezing of the inner wall, and the extension column 4 is clamped in the mounting frame 2 to realize fixation. When disassembling, the extension column 4 is squeezed, and the photosensitive drum 1 is taken out by holding the first gear 6 and the second gear 8. Such design can reduce the friction between the right side of the photosensitive drum 1 and the inner wall of the mounting frame 2 when installing and disassembling the photosensitive drum 1, and avoid damaging the photosensitive drum 1, so as to solve the problem that the existing fixing mode of the printer selenium drum causes the photosensitive drum 1 to be easily damaged during disassembly and assembly.

Claims

1. A printer drum with a positioning structure, comprising a photosensitive drum (1) and a mounting bracket (2); characterized in that: It also includes a storage slot (3), an extension column (4) and a spring (5). A photosensitive drum (1) is installed in the mounting frame (2). A gear (6) is fixedly connected to the left side of the photosensitive drum (1). A storage slot (3) is opened on the right side of the photosensitive drum (1). An extension column (4) is movably connected in the storage slot (3). A guide rod (7) is fixedly connected in the storage slot (3). A spring (5) is sleeved on the outside of the guide rod (7). One end of the spring (5) is fixedly connected in the storage slot (3). The other end of the spring (5) is fixedly connected to the extension column (4). The extension column (4) is sleeved on the outside of the guide rod (7). The extension column (4) is inserted into the mounting frame (2).

2. A printer drum with a positioning structure according to claim 1, characterized in that: A second gear (8) is provided on the left side of the first gear (6) and is closely attached to the inner wall of the mounting bracket (2). A fixing post (9) inserted into the first gear (6) is fixedly connected on the right side of the second gear (8).

3. A printer drum with a positioning structure according to claim 2, characterized in that: A waste collection box (10) is provided on the front side of the photosensitive drum (1). A support groove (11) is provided in the waste collection box (10). A collection roller (12) is provided in the support groove (11). A third gear (13) that meshes with the second gear (8) is engaged on the left side of the collection roller (12).

4. A printer drum with a positioning structure according to claim 3, characterized in that: The waste collection box (10) is provided with a lid (14) at the top. The lid (14) has symmetrical slots (15) on the left and right sides. The top of the waste collection box (10) is movably connected to a rotating insert (16) that matches the slot (15).

5. A printer drum with a positioning structure according to claim 4, characterized in that: A cleaning silicone scraper (17) is fixedly connected to the front end of the cover (14), and the front end of the cleaning silicone scraper (17) is in close contact with the outside of the photosensitive drum (1).

6. A printer drum with a positioning structure according to claim 2, characterized in that: A charging roller (18) is provided above the photosensitive drum (1), and a fourth gear (19) that meshes with the second gear (8) is fixedly connected to the left side of the charging roller (18).

7. A printer drum with a positioning structure according to claim 1, characterized in that: The mounting bracket (2) is fixedly connected to the left and right sides with fixing buckles (20), and the mounting bracket (2) has a slot (21) on the front side and a semi-circular slot (22) above the slot (21) on the top of the mounting bracket (2).

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