CN214623312U - Powder supplementing structure of selenium drum - Google Patents

Abstract

The utility model relates to a toner replenishing structure of a toner cartridge, which comprises a toner cartridge main body with a toner bin and a toner bin box detachably connected to the toner bin, wherein the butt joint surface of the toner bin is provided with a toner inlet, and the butt joint surface of the toner bin box is provided with a toner outlet opposite to the toner inlet; the powder inlet is covered with a powder inlet cover which can be opened and closed, and the powder outlet is covered with a powder outlet cover which can be opened and closed. This powder supplementing structure of selenium drum convenience of customers is gone to the powder storehouse box in the self-service powder filling and is mended the powder, perhaps directly changes the powder storehouse box and realizes mending the powder, reduces and mends powder replacement cost, has promoted user experience.

Description

Powder supplementing structure of selenium drum

Technical Field

The utility model relates to a printer technical field, in particular to toner replenishing structure of toner cartridge.

Background

The selenium drum mechanism used in the existing laser printer is mainly divided into an integrated selenium drum structure and a split selenium drum structure. The integrated toner cartridge structure integrates the imaging unit and the developing unit in the toner cartridge, and a user needs to integrally replace the toner cartridge or automatically fill the toner cartridge with toner after using the toner in the toner cartridge. Because the selenium drum has more internal components and higher replacement cost, and the user fills powder into the selenium drum by oneself, the problem of powder blocking or powder leakage is easy to appear when printing because of improper operation, and then the printing effect is influenced or the printing portrait is polluted. The existing split type toner cartridge structure generally independently forms the powder bin and the developing roller into one component, and after carbon powder in the powder bin is used up, the powder bin and the developing roller need to be replaced simultaneously, so that the replacement cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a convenience of customers irritates powder by oneself and mends powder or reduces the benefit powder structure of selenium drum of powder storehouse replacement cost is provided to above-mentioned prior art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a mend powder structure of selenium drum which characterized in that: the toner cartridge comprises a toner cartridge body with a toner bin and a toner bin box detachably connected to the toner bin, wherein a toner inlet is formed in the butt joint surface of the toner bin, and a toner outlet opposite to the toner inlet is formed in the butt joint surface of the toner bin box; the powder inlet is covered with a powder inlet cover in a manner of opening and closing, and the powder outlet is covered with a powder outlet cover in a manner of opening and closing.

The powder bin box is provided with a first pushing piece, and the powder feeding cover is provided with a first component which can be pushed by the first pushing piece to open the powder feeding port;

the toner box is provided with a second pushing piece, and the toner outlet cover is provided with a second component which can be pushed by the second pushing piece to open the toner outlet.

In order to automatically cover the powder inlet after the powder bin box is detached so as to prevent impurities from entering the ink powder bin, the powder inlet cover is connected to the ink powder bin through the first resetting component and has a tendency of closing the powder inlet.

Simple structure ground, first reset assembly includes axis body, swing arm and torsional spring, the axis body is close to the position of advancing the powder lid and fixed connection is on the toner storehouse, and the swing arm rotates to be connected on the axis body to the first end of swing arm is connected with advancing the powder lid, the torsional spring cover is established on the axis body, and the one end of torsional spring is connected with advancing the powder lid, and another of torsional spring is held with the second of swing arm and is connected.

Preferably, the powder outlet cover is connected to the powder bin box through an elastic member with a tendency to close the powder outlet.

The structure is simple, the first pushing piece, the second pushing piece, the first member and the second member are plate bodies, and the powder inlet cover and the powder outlet cover move towards the opposite separation direction to open the powder inlet and the powder outlet.

In order to more accurately realize the positioning and installation of the powder bin box on the toner bin, the guide piece which is provided with a guide groove and can be placed into the guide groove is matched on the butt joint surface of the powder bin box and the toner bin, and the guide groove extends along the formula of the powder bin box.

In order to more conveniently realize the output of the ink powder and avoid the insufficient use of the ink powder in the powder bin box, a conveying mechanism used for conveying the ink powder to a powder outlet is arranged in the powder bin box, and the conveying mechanism is in transmission connection with a roller body in the toner cartridge main body.

In order to ensure the moving direction of the powder inlet cover and the powder outlet cover, two sides of the powder inlet of the toner hopper are respectively provided with a first guide rail, and the powder inlet cover is connected to the first guide rails in a sliding manner;

and second guide rails are respectively arranged on two sides of the powder outlet of the powder bin box, and the powder outlet cover is connected to the second guide rails in a sliding manner.

Conveniently, the butt joint that powder storehouse box can back-and-forth movement is in the top in the china ink storehouse. In order to guarantee the fastness of connecting on the powdered ink of powder storehouse box and the accuracy of relative position, the both ends in powdered ink storehouse upwards extend respectively and have a limiting plate, powder storehouse box matching is installed between two limiting plates, be provided with the spacing groove on the both ends surface of powder storehouse box, be equipped with on the internal surface of limiting plate and arrange in the third component of spacing inslot.

Compared with the prior art, the utility model has the advantages of: the utility model provides a toner cartridge's benefit powder structure is independent of the powdered ink storehouse and has additionally set up the powdered ink storehouse box, during the use, only need with the powdered ink add in the powdered ink storehouse box can, the powdered ink storehouse box can realize the butt joint intercommunication through the powder inlet on powder outlet and the powdered ink storehouse, and then realize the interpolation of powdered ink to the powdered ink storehouse. Because the powder bin box is detachably connected with the toner bin and is not related to other components in the toner cartridge main body, the toner adding condition in the powder bin box cannot influence the toner supply and use of the toner bin in the printing process. Therefore, the user can conveniently detach the toner bin from the toner bin box to automatically add the supplementary toner into the toner bin box, and the requirement on the supplementary toner of the user is low. On the other hand, even if the powder bin box is directly replaced, the cost is low.

Drawings

Fig. 1 is a perspective view of a printer with the toner replenishing structure of the toner cartridge applied in the embodiment of the present invention.

Fig. 2 is a rear perspective view of the powder supplementing structure of the toner cartridge in the embodiment of the present invention.

Fig. 3 is an exploded perspective view of the powder supplementing structure of the toner cartridge in the embodiment of the present invention.

Fig. 4 is a rear view of fig. 3.

Fig. 5 is a cross-sectional view of the powder supplementing structure of the toner cartridge in the embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1, the toner replenishing structure of the toner cartridge in this embodiment is detachably mounted in a casing 200 of the printer for use, and in order to facilitate the assembly of the toner replenishing structure of the toner cartridge, a mounting opening into which the toner replenishing structure of the toner cartridge enters is formed in the casing 200 of the printer, and a cover 300 which can be opened and closed is further provided on the mounting opening.

The toner replenishing structure of the toner cartridge comprises a toner cartridge body 100 with a toner hopper 1 and a toner hopper box 2 detachably connected to the toner hopper 1. The powder bin box 2 in the embodiment can be butted above the toner bin 1 in a forward and backward moving mode, so that toner in the powder bin box 2 can enter the toner bin 1 conveniently, and the upper surface of the toner bin 1 and the lower surface of the powder bin box 2 form a butting surface.

The cartridge body 100 can adopt various types of cartridge bodies 100 in the prior art, for example, the cartridge body 100 includes a photosensitive drum, a developing roller, a transfer roller, a charging roller, a toner hopper 1 disposed above the developing roller, and the like, and the cartridge body 100 in this embodiment extends in the left-right direction as a whole.

As shown in fig. 2 to 5, the toner hopper 2 in the present embodiment is shaped like a long strip as a whole in accordance with the shape of the cartridge body 100, and the toner hopper 2 has a cavity for accommodating toner therein. In order to facilitate the assembly and opening of the replenishment toner, the hopper casing 2 includes a casing 26 opened upward and a lid 27 covering the opening, and the replenishment toner can be added to and replenished in the casing 26 by opening the lid 27.

In order to facilitate the toner in the toner hopper box 2 to be conveyed into the toner hopper 1, a toner inlet 11 is formed in the butt joint surface of the toner hopper 1, and a toner outlet 21 opposite to the toner inlet 11 is formed in the butt joint surface of the toner hopper box 2.

In addition, in order to more conveniently realize the output of the toner and avoid the insufficient use of the toner in the toner hopper box 2, a conveying mechanism 6 for conveying the toner to the toner outlet 21 is further arranged in the toner hopper box 2, and the conveying mechanism 6 is in transmission connection with a roller body in the toner cartridge main body 100. Specifically, the conveying mechanism 6 includes an agitating rod 61 and a screw rod 62 arranged along the extending direction of the powder bin box 2, a first toner groove and a second toner groove are respectively arranged in the powder bin box 2 corresponding to the agitating rod 61 and the screw rod 62, wherein the section of the second toner bin 1 is in an inverted cone shape, so that the conveying capacity of the screw rod to toner can be improved. The powder outlet 21 of the powder hopper case 2 in this embodiment is provided on the bottom surface of one end of the powder hopper case 2, and the screw 62 can convey the toner to the powder outlet 21 by rotating. The stirring rod 61 can play a role in stirring the toner in the toner hopper box 2, so that the situation that the toner is solidified is avoided, and the uniformity of the toner conveying capacity is also ensured. Under the action of the stirring rod 61, the stirring rod 61 stirs the toner into the toner tank where the screw rod 62 is located.

In order to simplify the transmission structure, the ends of the stirring rod 61 and the spiral rod 62 can be transmitted through meshed gears, and one of the stirring rod 61 and the spiral rod 62 is in transmission connection with the roller body in the cartridge body 100 through the transmission structure. In this embodiment, the stirring rod 61 is in transmission connection with the photosensitive drum in the toner cartridge main body 100 through a transmission structure, and along with the rotation of the photosensitive drum, the stirring rod 61 and the spiral rod 62 are transferred synchronously, so that the toner is output from the toner outlet 21 of the toner cartridge 2.

In order to avoid the situation that the toner in the toner box 2 is polluted, deteriorated and leaked out when the toner is not installed, the space in the toner box 1 is polluted, or the toner in the toner box 1 is polluted, deteriorated and the like when the toner box 2 is detached. In this embodiment, the powder inlet 11 is covered with the powder inlet cover 3 in an openable manner, and the powder outlet 21 is covered with the powder outlet cover 4 in an openable manner. In order to ensure the moving direction of the powder inlet cover 3 and the powder outlet cover 4, first guide rails 14 are respectively arranged on two sides of the powder inlet 11 of the toner bin 1, and the powder inlet cover 3 is connected to the first guide rails 14 in a sliding manner. The two sides of the powder outlet 21 of the powder bin box 2 are respectively provided with a second guide rail 24, and the powder outlet cover 4 is connected on the second guide rails 24 in a sliding way. For convenience of operation, the first guide rail 14 and the second guide rail 24 extend in the same direction as the mounting direction of the toner hopper 2 on the toner hopper 1.

This advance powder lid 3, go out powder lid 4 and can adopt the mode of manual stirring to open and shut the operation, but this kind of operating procedure who has increased the user has reduced the installation convenience of powder storehouse box 2. In this embodiment, the powder hopper 2 is provided with a first pushing member 22, and the powder feeding cover 3 is provided with a first member 31 which can be pushed by the first pushing member 22 to open the powder feeding port 11. The toner hopper 1 is provided with a second pushing member 12, and the toner discharge cover 4 is provided with a second member 41 which can be pushed by the second pushing member 12 to open the toner discharge port 21. Therefore, the powder outlet cover 4 and the powder inlet cover 3 can be automatically opened in the process of assembling the powder bin box 2 on the powder bin 1.

In this embodiment, the first pushing member 22, the second pushing member 12, the first member 31, and the second member 41 are all plate bodies, and the powder inlet cover 3 and the powder outlet cover 4 move in a relatively separated direction to open the powder inlet 11 and the powder outlet 21. Specifically, an upper concave area is formed at the front of the lower surface of the powder hopper case 2 in a concave manner in an area corresponding to the opened powder feeding cover 3, the first pushing member 22 is provided to extend downward on the upper concave area, and the first member 31 is provided on the upper surface of the powder feeding cover 3. A second pushing member 12 which can not be touched by the first pushing member 22 is extended upwards from the upper surface of the front part of the toner bin 1, and a second component 41 which can be matched and touched with the second pushing member 12 is extended downwards from the toner outlet cover 4. Thus, in the process of pushing the toner hopper 2 from the front to the rear to mount it on the toner hopper 1, the first pusher 22 opens the toner inlet 11 by pushing the first member 31 rearward, and the second pusher 12 opens the toner outlet 21 by blocking the second member 41 forward. In this process, the powder inlet cover 3 moves backward, and the powder outlet cover 4 moves forward. After the toner hopper box 2 is assembled in place on the toner hopper 1, the toner inlet 11 and the toner outlet 21 are both in an open state, and the toner inlet 11 and the toner outlet 21 are in butt joint communication, so that when the toner hopper main body 100 works, the conveying mechanism 6 acts, toner in the toner hopper box 2 can be output from the toner outlet 21 under the action of the conveying mechanism 6 and enters the toner hopper 1 through the toner inlet 11, and the toner hopper 1 realizes the supply of the toner in the working process of the toner hopper main body 100.

In order to be able to automatically cover the powder inlet 11 by the powder inlet cover 3 after the powder bin box 2 is detached, thereby preventing the toner in the toner bin 1 from entering impurities and the toner in the powder bin box 2 from falling out. The toner inlet cover 3 is connected to the toner hopper 1 through the first reset member 5 with a tendency to close the toner inlet 11. This first reset assembly 5 includes axis body 51, swing arm 52 and torsional spring 53, and axis body 51 is close to the position of advancing powder lid 3 and fixed connection is on toner hopper 1, and swing arm 52 rotates to be connected on axis body 51 to the first end of swing arm 52 is connected with advancing powder lid 3, and torsional spring 53 overlaps and establishes on axis body 51, and torsional spring 53's one end is connected with advancing powder lid 3, and another of torsional spring 53 is connected with the second end of swing arm 52. Since the powder feeding cover 3 moves linearly in the front-rear direction, a certain relative movement range is provided between the powder feeding cover 3 and the swing arm 52 in the left-right direction by the structure when the swing arm 52 is connected to the powder feeding cover 3. In this embodiment, a connecting rod is arranged on the powder feeding cover 3, and the first end of the swing arm 52 is provided with a strip-shaped opening and is further sleeved on the connecting rod, so that the relative movement space between the powder feeding cover 3 and the swing arm 52 in the left-right direction is satisfied. When the powder bin 2 is detached and the driving force of the first pushing member 22 on the first member 31 of the powder feeding cover 3 is lost, the swing arm 52 drives the powder feeding to reset under the action of the torsion spring 53, so as to close the powder feeding port 11. Similarly, the powder outlet cover 4 is also connected to the powder hopper 2 via the elastic member 7 with a tendency to close the powder outlet 21. The elastic element 7 can adopt various structures which can realize the reset of the powder outlet cover 4. The elastic member 7 in this embodiment also adopts a torsion spring structure, which is installed inside the powder bin box 2, and one end of which is connected with the powder bin box 2, and the other end of which forms a hook-shaped structure to be hooked on a hook part specially arranged on the powder outlet cover 4. When the powder bin box 2 is detached, the second pushing piece 12 loses the pushing of the second component 41 on the powder outlet cover 4, and the powder outlet cover 4 is reset under the action of the elastic piece 7 to cover the powder outlet 21.

In order to more accurately realize the positioning and installation of the powder bin box 2 on the toner bin 1, a guide groove 13 and a guide piece 23 capable of being placed in the guide groove 13 are arranged on the butt joint surface of the powder bin box 2 and the toner bin 1 in a matching mode, and the guide groove 13 extends along the assembling direction of the powder bin box 2. The guide groove 13 and the guide member 23 can be specifically positioned as required. In this embodiment, a guide groove 13 is provided in the middle of the abutting surface of the toner hopper 1 in the front-rear direction, and a guide 23 is provided on the abutting surface of the toner hopper case 2.

And in order to further guarantee the fastness of connecting on the powdered ink of powder storehouse box 2 and the accuracy of relative position, the both ends in powdered ink storehouse 1 upwards extend respectively and limit plate 15, and powder storehouse box 2 matches and installs between two limiting plates 15, be equipped with on the both ends surface of powder storehouse box 2 and set up backward open-ended spacing groove 25, be equipped with on the internal surface of limiting plate 15 and arrange in third component 151 in the spacing groove 25. During assembly, on the basis that the guide piece 23 on the powder bin box 2 is placed in the guide groove 13 of the toner bin 1, the third members 151 on the limiting plates 15 on two sides are placed in the limiting grooves 25 on the outer surfaces of two ends of the powder bin box 2 on two sides, the powder bin box 2 is pushed forwards, and when the third members 151 are pushed to the bottom of the limiting grooves 25, the powder bin box 2 is assembled in place on the toner bin 1. According to the needs, the buckling structures can be arranged on the powder bin box 2 and the toner bin 1 in a matching mode, so that the relative positions of the powder bin box 2 and the toner bin 1 are fixed. The relative positions of the toner hopper 2 and the toner hopper 1 can be fixed by buckling the cover 300 on the casing 200 under the pressure of the cover 300 on the toner hopper 2.

When the toner in the hopper case 2 is used up, the toner can be replenished by directly replacing the hopper case 2 or by taking out the hopper case 2 to replenish the toner in the hopper case 2.

The toner hopper 2 in this embodiment may be mounted in the casing 200 together with the toner cartridge main body 100 after being mounted on the toner hopper 1 of the toner cartridge main body 100 outside the casing 200, or may be mounted in the casing 200 by first mounting the toner cartridge main body 100 and then butting the toner hopper 2 against the toner hopper 1 to mount the toner hopper 2 in the casing 200.

The utility model provides a toner cartridge's benefit powder structure is independent of toner hopper 1 and has additionally set up toner hopper box 2, during the use, only need with the powdered ink add in toner hopper box 2 can, toner hopper box 2 can realize the butt joint intercommunication through the powder inlet 11 on powder outlet 21 and the powdered ink hopper 1, and then realize the addition of powdered ink to toner hopper 1. Because the toner hopper 2 is detachably connected with respect to the toner hopper 1, and the toner hopper 2 is not associated with other components in the toner cartridge main body 100, the toner adding condition in the toner hopper 2 does not affect the toner supply and use of the toner hopper 1 in the printing process. Therefore, the user can conveniently detach the toner bin 1 of the toner bin box 2 to automatically add the supplementary toner into the toner bin box 2, and the requirement on the supplementary toner of the user is low. On the other hand, even if the powder cartridge 2 is directly replaced, the cost is low.

Claims (10)

1. The utility model provides a mend powder structure of selenium drum which characterized in that: the toner cartridge comprises a toner cartridge body (100) with a toner bin (1) and a toner bin box (2) detachably connected to the toner bin (1), wherein a toner inlet (11) is formed in the butt joint surface of the toner bin (1), and a toner outlet (21) opposite to the toner inlet (11) is formed in the butt joint surface of the toner bin box (2); the powder inlet (11) is covered with a powder inlet cover (3) in a manner of opening and closing, and the powder outlet (21) is covered with a powder outlet cover (4) in a manner of opening and closing.

2. The toner replenishing structure of a cartridge according to claim 1, wherein: the powder bin box (2) is provided with a first pushing piece (22), and the powder feeding cover (3) is provided with a first component (31) which can be pushed by the first pushing piece (22) to open the powder feeding port (11);

the toner box (1) is provided with a second pushing piece (12), and the toner outlet cover (4) is provided with a second component (41) which can be pushed by the second pushing piece (12) to open the toner outlet (21).

3. The toner replenishing structure of a cartridge according to claim 2, wherein: the powder inlet cover (3) is connected to the toner bin (1) through the first reset component (5) with the tendency of closing the powder inlet (11).

4. The toner replenishing structure of a cartridge according to claim 3, wherein: first reset assembly (5) include axis body (51), swing arm (52) and torsional spring (53), axis body (51) are close to the position of advancing powder lid (3) and fixed connection is on toner storehouse (1), and swing arm (52) rotate to be connected on axis body (51) to the first end of swing arm (52) with advance powder lid (3) and be connected, torsional spring (53) cover is established on axis body (51), the one end of torsional spring (53) with advance powder lid (3) and be connected, another of torsional spring (53) is held with the second of swing arm (52) and is connected.

5. The toner replenishing structure of a cartridge according to claim 2, wherein: the powder outlet cover (4) is connected to the powder bin box (2) through an elastic piece (7) with the tendency of closing the powder outlet (21).

6. The toner replenishing structure of a cartridge according to claim 2, wherein: the first pushing piece (22), the second pushing piece (12), the first member (31) and the second member (41) are plate bodies, and the powder inlet cover (3) and the powder outlet cover (4) move towards the relatively separating direction to open the powder inlet (11) and the powder outlet (21).

7. The toner replenishing structure of a cartridge according to any one of claims 1 to 6, wherein: powder storehouse box (2) and powdered ink storehouse (1) butt joint face go up the matching and are equipped with guide way (13) and can put into guide part (23) in guide way (13), guide way (13) extend along powder storehouse box (2) assembly direction.

8. The toner replenishing structure of a cartridge according to any one of claims 1 to 6, wherein: the powder bin box (2) is internally provided with a conveying mechanism (6) used for conveying the powdered ink to the powder outlet (21), and the conveying mechanism (6) is in transmission connection with a roller body in the toner cartridge main body (100).

9. The toner replenishing structure of a cartridge according to any one of claims 1 to 6, wherein: two sides of a powder inlet (11) of the toner bin (1) are respectively provided with a first guide rail (14), and the powder inlet cover (3) is connected to the first guide rails (14) in a sliding manner;

the two sides of the powder outlet (21) of the powder bin box (2) are respectively provided with a second guide rail (24), and the powder outlet cover (4) is connected to the second guide rails (24) in a sliding mode.

10. The toner replenishing structure of a cartridge according to claim 9, wherein: the powder bin box (2) can be butted above the powder bin (1) in a back-and-forth moving mode, limiting plates (15) extend upwards from two ends of the powder bin (1) respectively, the powder bin box (2) is installed between the two limiting plates (15) in a matching mode, limiting grooves (25) are formed in the outer surfaces of two ends of the powder bin box (2), and third components (151) capable of being arranged in the limiting grooves (25) are arranged on the inner surfaces of the limiting plates (15).

Images