CN113156786A - Powder bin, toner cartridge and printer - Google Patents

Abstract

The invention relates to a powder bin which comprises a box body with an accommodating cavity, wherein the box body can be matched with a toner cartridge main body in an independent detachable mode, and a powder outlet used for being communicated with the toner cartridge main body is formed in the box body. The powder bin is convenient for users to fill powder by themselves, and the replacement cost of the powdered ink is low. The invention also relates to a toner cartridge, which comprises a toner cartridge main body and the toner bin, wherein the toner cartridge main body is provided with a toner bin for receiving toner in the cartridge body, and the toner bin is provided with a toner inlet matched with the toner outlet. The toner cartridge can reduce the cost of replacing the toner for users, and can improve the developing effect in the using process. The invention also relates to a printer applying the selenium drum. The printer toner is convenient to replace, the use cost of a user is low, and the developing effect in the printing work is better.

Description

Powder bin, toner cartridge and printer

Technical Field

The invention relates to the technical field of laser printers, in particular to a powder bin for storing toner, a toner cartridge using the powder bin, and a printer using the powder bin and the 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.

Disclosure of Invention

The first technical problem to be solved by the present invention is to provide a powder bin which is convenient for users to fill powder by themselves and has low replacement cost of powdered ink, aiming at the prior art.

The second technical problem to be solved by the present invention is to provide a toner cartridge that can reduce the cost of replacing toner for users and improve the developing effect during the use process, aiming at the above prior art.

The third technical problem to be solved by the present invention is to provide a printer with easy toner replacement, low user cost and better developing effect in printing work, aiming at the prior art.

The technical scheme adopted by the invention for solving the first technical problem is as follows: a powder storehouse which characterized in that: including the box body that has the holding chamber, the box physical stamina independently matches in the selenium drum main part with dismouting to offer the powder outlet that is used for communicateing the selenium drum main part on the box body.

In order to protect the cartridge, the reliable installation of cartridge in the printer casing is realized simultaneously, the cartridge dustcoat is equipped with the shell that can the joint on the printer casing.

For the installation of the convenient installation for the box body provides the direction, the installation of the box body of being convenient for simultaneously, be provided with joint spare on the surface at shell both ends, be provided with the connecting piece corresponding to the position of each joint spare on the internal surface of printer casing, get along the box body on the connecting piece and put the direction and be provided with the draw-in groove that can supply joint spare to put into.

In order to guarantee the fastness of box body installation, be provided with the locating part on the connecting piece, locating part elastic connection just has the trend to the draw-in groove direction suppress on the connecting piece, have on the locating part and can stretch into to the draw-in groove in and spacing portion of spacing joint spare.

In order to conveniently convey the toner into the toner box, a conveying mechanism used for conveying the toner in the box body to the toner outlet is arranged in the box body.

Simple in structure, the conveying mechanism comprises a screw rotatably arranged.

In order to improve the storage capacity of the toner and effectively control the conveying capacity of the toner, a storage tank for storing the toner and a conveying tank arranged on one side of the storage tank are arranged in the box body, and the screw is arranged in the conveying tank;

the conveying mechanism further comprises a stirring rod which is rotatably arranged in the storage tank.

Conveniently, the puddler is connected with the screw rod transmission, the puddler is connected with the transmission of selenium drum main part.

In order to avoid the drop of the powdered ink, the communication between the box body and the powdered ink bin is realized only after the box body is installed, a powder outlet piece is arranged in the box body corresponding to the position of the powder outlet, and a first opening matched with the powder outlet is formed in the powder outlet piece;

the powder outlet part is movably arranged in the box body, and the first opening hole and the powder outlet are overlapped to open the powder outlet when the box body is assembled, or the first opening hole and the powder outlet are staggered to close the powder outlet when the box body is separated.

Preferably, be provided with in the box body and match in the installation cavity that goes out the activity of powder spare, it is equipped with sealed the pad to go out to inlay between the chamber wall of powder spare and installation cavity, the position that corresponds to first trompil on the powder spare on the sealed pad is provided with the second trompil.

In order to reduce the influence on the toner output, the toner outlet part is rotatably connected in the box body.

In order to further avoid the pollution caused by the dropping of the toner under the condition that the cartridge body is not installed, a first cover body which can be opened along with the installation action of the cartridge body is arranged on the toner outlet, and the toner outlet is in transmission connection with the first cover body or a movable cover plate on the printer shell through a transmission mechanism.

Preferably, the first cover body is rotatably connected to the box body through an elastic piece, and the first cover body has a tendency of closing the powder outlet under the action of the elastic piece.

The technical scheme adopted by the invention for solving the second technical problem is as follows: a selenium drum, includes selenium drum main part, its characterized in that: still include aforementioned powder storehouse, the toner cartridge main part has the powdered ink storehouse that is used for accepting the powdered ink in the box body, set up on the powdered ink storehouse with go out powder mouthful assorted powder mouth.

In order to avoid the toner in the toner bin from being polluted by other impurities, a second cover body capable of opening and closing the toner inlet is movably arranged on the toner inlet.

In order to simplify the butt joint operation of the box body and the toner bin, sliding grooves are formed in the toner bin along the box body dismounting direction on two sides of the toner inlet, and the second cover body can be limited in the sliding grooves in a sliding mode;

the box body is provided with a pushing piece which can push the second cover body when the box body is installed.

The operation is simplified, meanwhile, the tightness of the communication between the box body and the powdered ink bin is guaranteed, powdered ink is prevented from being spilled to pollute a printer, the pushing piece is a sealing piece which is arranged on the matching surface of the box body corresponding to the powder outlet, and a third opening is formed in the position, corresponding to the powder outlet, of the sealing piece.

In order to further provide the direction for the installation of box body, the box body of being more convenient for simultaneously installs and targets in place, be provided with the guide way along the dismouting direction of box body on the matching face in toner storehouse, the matching face epirelief of box body is equipped with the lug that can match in the guide way.

The technical scheme adopted by the invention for solving the third technical problem is as follows: a printer comprising a housing, characterized in that: the selenium drum is further included.

Optionally, the printer casing is provided with an installation opening for installing the box body and the toner cartridge main body;

the shell is arranged in the printer shell, and a cover plate is clamped on the mounting port in a matching manner; or the housing can be adapted to cover the mounting opening.

Compared with the prior art, the invention has the advantages that: the powder bin for supplying the toner to the toner bin is additionally arranged independently of the toner cartridge main body, and the toner required in the operation of the toner cartridge main body can be realized only by butting the powder bin with the toner bin of the toner cartridge main body when the toner cartridge is used. The box body has low requirements on powder filling, a user can fill the powder independently, and the conveying mechanism in the box body can finish the conveying work of the ink powder independently. Even if the cartridge is directly replaced, the cost is low. Moreover, the user can adjust the adding amount of the toner according to the printing requirement of the user, and the problem of toner deterioration caused by long-term non-use is avoided.

The toner cartridge with the powder bin is applied, the toner cartridge main body does not need to be disassembled, the service cycle is long, and the printing quality caused by the disassembling and assembling problems can not occur. In addition, the toner cartridge main body can be fixed in the printer shell, so that the movable space of the toner cartridge main body is not required to be considered when a product is designed, a foundation is provided for reducing the whole volume of the printer, and the design of miniaturization of the printer is facilitated. And when using, according to the printer nature of difference, can regulate and control the powdered ink supply volume in the powder storehouse to the powdered ink storehouse, and then more do benefit to the evenly distributed of powdered ink on the developer roll, promote the development quality, avoid because of the too much, the developing problem that leads to of too little carbon dust.

The printer using the powder bin and the toner cartridge has the advantages of convenient toner replacement, low use cost for users and better developing effect in printing work.

Drawings

Fig. 1 is a perspective view of a printer according to an embodiment of the invention.

Fig. 2 is a view showing the installation of the toner cartridge in the printer housing according to the first embodiment of the present invention.

Fig. 3 is a perspective view of a toner cartridge according to a first embodiment of the invention.

Fig. 4 is an exploded view of a portion of the structure of fig. 3.

Fig. 5 is a partial cross-sectional view of fig. 3.

Fig. 6 is an exploded perspective view of a toner cartridge according to a first embodiment of the invention.

Fig. 7 is another view of fig. 6.

Fig. 8 is a mounting diagram of the cartridge in the printer housing according to the second embodiment of the present invention.

Fig. 9 is a matching view of the cartridge and the cover plate in the second embodiment of the present invention.

Fig. 10 is an exploded perspective view of the cartridge and the cover plate according to the second embodiment of the present invention.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

The powder bin and the toner cartridge and the printer using the powder bin and the toner cartridge are described in detail in the embodiment by taking the printer as an example.

As shown in fig. 1 to 7, the printer includes a cabinet 300 and a cartridge disposed inside the cabinet 300. The cartridge includes a powder bin and a cartridge body 200. The printer housing 300 is provided with an installation opening 302 for installing the toner hopper and the cartridge main body 200.

The toner cartridge main body 200 is a toner cartridge assembly in the prior art, and comprises a photosensitive drum, a toner bin 201, a developing roller, a transfer roller, a charging roller and the like, wherein the toner bin 201 is communicated with the developing roller, and toner in the toner bin 201 is uniformly distributed on the developing roller under the action of a scraper arranged in the toner bin. The powder bin comprises a box body 1, a shell 2, a conveying mechanism 4, a powder outlet piece 5 and a transmission mechanism 9. The cartridge body 1 is independently detachably fitted to the toner hopper 201 of the cartridge main body 200.

The toner hopper 201 is provided with a toner inlet 2011. The toner hopper 201 is provided with a second cover 202, and the second cover 202 is movably connected to the toner hopper 201 to open and close the toner inlet 2011. During the use, when the powder storehouse is in not assembling the state under, second lid 202 covers on powder inlet 2011, avoids external impurity to pollute toner storehouse 201, guarantees the powdered ink quality in toner storehouse 201, and then guarantees to print the effect.

The movable structure of the second cover 202 may be various mechanisms capable of opening and closing the powder inlet 2011 in the prior art, for example, a flip structure may be adopted. In this embodiment, the second cover 202 is slidably connected, and the second cover 202 is slidably disposed on the toner hopper 201 along the direction of attaching and detaching the cartridge 1. Specifically, the toner hopper 201 is provided with sliding grooves 203 on both sides of the toner inlet 2011 along the direction of dismounting and mounting the cartridge body 1, and the second cover 202 is slidably limited in the sliding grooves 203. This prevents the second cover 202 from being lost, and also provides guidance for the opening and closing operation of the second cover 202.

The cartridge body 200 in this embodiment may be fixedly installed in the printer housing 300, or may be detachably fixed in the printer housing 300. When adopting fixed mode to install in the printer, can effectively improve the life cycle of selenium drum main part 200 to the printing quality that the problem that can not appear because of dismantling the installation leads to, and for reducing the whole volume of printer provides the basis, does benefit to the more miniaturized design of printer.

In this embodiment, the box body 1 can be movably and relatively butted above the toner hopper 201, so that the lower surface of the box body 1 and the upper surface of the toner hopper 201 respectively form a matching surface of the box body 1 and a matching surface of the toner hopper 201. The cartridge 1 can be detached from the cartridge body 200 in the printer housing 300 and docked with or separated from the toner hopper 201. The toner inlet 2011 of the toner hopper 201 opens at a mating surface of the toner hopper 201, i.e., at an upper surface of the toner hopper 201. This facilitates the toner to fall into the toner hopper 201 by its own weight.

The cartridge body 1 in this embodiment is integrally long in shape matching the toner cartridge body 200, and the cartridge body 1 has a cavity for accommodating toner therein. The casing 1 is composed of an upper casing and a lower casing which are coupled to each other in order to facilitate assembly and opening of the replenishment toner. The matching surface of the box body 1 is provided with a powder outlet 11 for communicating the toner cartridge main body 200, and the powder outlet 11 is arranged on the upper surface of the box body 1. After the cartridge body 1 is assembled on the toner hopper 201, the powder outlet 11 on the cartridge body 1 is sealed and opposite to the powder inlet 2011 on the toner hopper 201, so that the cartridge body 1 is communicated with the toner hopper 201.

In the unassembled state of the cartridge 1, in order to prevent the toner in the cartridge 1 from falling from the cartridge 1, a first cover 7 is provided on the toner outlet 11 of the cartridge 1. The first cover 7 is movably connected to the box 1 to open and close the powder outlet 11, and the first cover 7 may be connected in a rotating manner or a sliding manner according to specific requirements. In this embodiment, the first cover 7 is rotatably connected to the case 1. Specifically, the first cover 7 is rotatably connected to the box 1 by the elastic member 71, and the first cover 7 has a tendency to close the powder outlet 11 under the action of the elastic member 71. In order to further increase the sealing performance of the powder outlet 11 when the first cover 7 covers, a sealing sheet is arranged on the matching surface of the box body 1 corresponding to the powder outlet 11, and a third opening 81 is formed on the sealing sheet corresponding to the powder outlet 11. The position of this gasket is less than the matching face of box body 1, and the impeller 8 that promotes first lid 7 and carry out the slip when installing box body 1 uses, so can simplify the butt joint operation of box body 1 assembling process, powder outlet 11 and powder inlet 2011. According to needs, the spring which can elastically press the trend that the first cover body 7 has the closed powder inlet 2011 can be installed on the toner hopper 201 in a matched mode, and the first cover body 7 can be automatically reset to cover the powder inlet 2011 when the box body 1 is detached conveniently.

First lid 7 has the protrusion in the matching face of box body 1 and can be by the effect portion 72 that toner hopper 201 promoted when box body 1 assembles, so, when box body 1 carries out the assembly action on toner hopper 201, first lid 7 can be opened along with the assembly action of box body 1, has correspondingly also simplified box body 1 assembling process, the butt joint operation of powder outlet 11 and powder inlet 2011.

In addition, in order to avoid that the toner in the box body 1 drops due to the quick opening of the first cover 7 when the box body 1 is assembled, a powder outlet piece 5 is movably arranged in the box body 1 corresponding to the position of the powder outlet 11, and a first opening 51 matched with the powder outlet 11 is formed in the powder outlet piece 5. And the transmission mechanism 9 is arranged outside the box body 1 and is in transmission connection between the first cover body 7 and the powder discharging piece 5, namely, the first cover body 7 and the powder discharging piece 5 are respectively provided with a connecting part which is arranged outside the box body 1 and is used for connecting the transmission mechanism 9. In this embodiment, the connecting member of the first cover 7 and the powder outlet member 5 is a connecting column disposed at the end of the first cover 7 and the powder outlet member 5. In the process of driving the first cover 7 to move by assembling the box body 1, the first opening 51 of the powder outlet 5 can be driven to move to the position of the powder outlet 11 by the transmission action of the transmission mechanism 9.

In order to guarantee the leakproofness of powder storehouse, drive the powdered ink and spill box body 1 when avoiding going out powder 5 action, in this embodiment, be provided with specially in box body 1 and match in the installation cavity 14 that goes out powder 5 activity, go out to inlay between the chamber wall of powder 5 and installation cavity 14 and be equipped with sealed 6, be provided with second trompil 61 on the sealed 6 position corresponding to go out first trompil 51 on powder 5. In this embodiment, sealed 6 that fills up adopts the mode parcel that closely the cover was established outside play powder 5, and in the action in-process of play powder 5, sealed 6 can be along with play powder 5 moves together, and can guarantee the leakproofness between play powder 5 and the installation cavity 14.

According to the requirement, the powder discharging piece 5 can be arranged in the mounting cavity 14 in a left-right sliding mode, and can also be arranged in the mounting cavity 14 in a rotating mode. In order to reduce the influence on the toner output, in the present embodiment, the powder outlet 5 is rotatably connected in the mounting cavity 14 at one end of the box body 1, the whole powder outlet 5 in the present embodiment is cylindrical, the powder outlet 5 has a cavity therein and is opened to one end of the inner side of the box body 1, and the first opening 51 is opened on the peripheral wall of the powder outlet 5. Because the powder outlet piece 5 is arranged in a rotating mode, the corresponding transmission mechanism 9 is a transmission gear set which is in transmission connection between the first cover body 7 and the powder outlet piece 5. The transmission input gear of the transmission gear set is connected to the connecting column at the end part of the first cover body 7, and the transmission output gear of the transmission gear set is connected to the connecting column at the end part of the powder outlet piece 5.

In order to facilitate the toner in the box body 1 to be smoothly output from the toner outlet 11 to the toner hopper 201, a conveying mechanism 4 for conveying the toner is arranged in the box body 1, and the conveying mechanism 4 can adopt various conveying components capable of realizing the movement of powder substances in the prior art. The conveying mechanism 4 in the present embodiment includes a stirring rod 42 and a screw 41.

Specifically, a storage tank 12 for storing toner, a conveying tank 13 provided on the side of the storage tank 12 are provided in the lower case of the case 1. In addition, in order to replenish the toner conveniently, a dedicated replenishing port may be provided on the cartridge body 1 at a position corresponding to the reserve tank 12 for replenishing the toner. The storage tank 12 and the transport tank 13 are parallel to each other and extend in the longitudinal direction of the cassette 1. Puddler 42 rotates to be connected in holding vessel 12, and the both ends of puddler 42 rotate to be connected on the both ends end wall of box body 1, and this puddler 42 rotates the in-process and can stir the powdered ink in holding vessel 12, and then dials the powdered ink in holding vessel 12 to the conveyer trough 13 of one side in. A screw 41 is rotatably provided in the conveying chute 13, and one end of the screw 41 is rotatably connected to an end wall of one end of the case 1. The powder outlet 11 in this embodiment is provided at the end of the conveying chute 13, and the toner is continuously and uniformly pushed to the powder outlet 11 along with the rotation of the screw 41, and is output from the powder outlet 11 to the toner hopper 201. Because of poor fluidity of the toner, it is necessary to provide the conveying chute 13 with a structure that is narrow at the bottom and wide at the top so that the toner can slide downward by its own weight, so that the screw 41 can reliably convey the toner. While such a structure of the conveying chute 13 reduces the amount of toner stored, the simultaneous provision of the reserve tank 12 is advantageous for increasing the amount of toner stored.

The driving assembly for driving the screw 41 to rotate may be provided as a driving motor capable of independently driving the screw 41 to rotate, as required. In the present embodiment, for convenience of operation and simplicity of structure, the stirring rod 42 is in transmission connection with the screw 41, and the stirring rod 42 is also in transmission connection with the cartridge body 200. Specifically, a first gear 421 is connected to a first end of the stirring rod 42, a second gear 411 is connected to a first end of the screw rod 41, a transmission gear set is connected between the first gear 421 and the second gear 411 according to a required reduction ratio, the first gear 421 rotates synchronously with rotation of the stirring rod 42, the second gear 411 rotates under the transmission effect of the first gear 421, and then the screw rod 41 is driven to rotate, so that toner conveying work is realized.

And the second end of the stirring rod 42 is in transmission connection with the photosensitive drum of the cartridge body 200 through a transmission assembly. The transmission assembly specifically comprises a first transmission gear set 422 connected to the outer side of the toner cartridge main body 200 and a second transmission gear set 423 arranged on the outer side of the cartridge body 1, and the first transmission gear set 422 and the second transmission gear set 423 can be in transmission butt joint. The input gear of the first transmission gear set 422 is coupled to the photosensitive drum of the cartridge body 200, and the output gear of the second transmission gear set 423 is coupled to the second end of the stirring rod 42.

The output end of the first transmission gear set 422 is a first bevel gear and a second bevel gear which are meshed with each other, the first bevel gear is concentrically connected with one transmission gear, the second bevel gear is connected with a first transmission rod, and the end part of the first transmission rod is provided with a first meshing tooth. The output gear of the second transmission gear set 423 is a third bevel gear, the input gear of the second transmission gear set 423 is a fourth bevel gear meshed with the third bevel gear, a fixing part is fixedly arranged on the side wall of the box body 1, a second transmission rod is connected to the fourth bevel gear, the second transmission rod is rotatably arranged in the fixing part in a penetrating mode, and second meshing teeth capable of being meshed with the first meshing teeth of the first transmission rod are arranged at the end portion of the second transmission rod. The arrangement of the first transmission rod and the second transmission rod can reduce the number of parts of the transmission assembly, and the structure of each bevel gear can meet the reversing transmission relation between the first transmission rod and the second transmission rod and can meet the installation of the transmission assembly on the box body 1 and the selenium drum main body 200.

In addition, in order to ensure that the docking position of the powder outlet 11 and the powder inlet 2011 is accurate, a guide groove 2012 is arranged on the matching surface of the toner hopper 201 along the taking and placing direction of the box body 1, and a projection 15 capable of being matched with the guide groove 2012 is convexly arranged on the matching surface of the box body 1. In this embodiment, two ribs are provided at intervals on the matching surface of the toner hopper 201 to form the guide groove 2012. Guide way 2012 effectively provides the direction for the installation of box body 1, during the installation, aligns lug 15 guide way 2012 and arranges in guide way 2012, and then promotes along guide way 2012 direction, can guarantee promptly that box body 1 can accurately install to target in place and realize the butt joint with toner hopper 201.

In order to protect the box body 1, the butting position of the powder outlet 11 and the powder inlet 2011 is further ensured to be accurate, and meanwhile, the stability of the installation of the box body 1 in the machine shell 300 is ensured. The casing 2 is covered on the box body 1, the casing 2 is fixedly connected with the upper box body of the box body 1, and the casing 2 can be matched and covered on the mounting opening 302. So when realizing the assembly of box body 1, can directly accomplish the work of sealing of casing 300, it is more simple and convenient to operate, and the user need not to carry out the operation of opening and shutting of casing 300 upper cover again. This shell 2 is corresponding to the open setting in the region that box body 1 matches butt joint selenium drum main part 200 to make things convenient for this box body 1 and powdered ink storehouse 201 to realize the butt joint, and then guarantee effectively to accomplish print job.

In order to ensure the butt joint quality of the housing 2 and the printer casing 300 and ensure the firmness of the mounting of the housing 2 and the box body 1 in the casing 300, the outer surfaces of the two ends of the housing 2 are provided with clamping pieces 21 capable of being clamped on the casing 300. The inner surface of the casing 300 is provided with a connecting member 3 corresponding to each of the engaging members 21, and the connecting member 3 is provided with a slot 31 for placing the engaging member 21 in along the taking and placing direction of the case 1. The clamping groove 31 can also provide a guide for the assembly of the box body 1, the clamping piece 21 in the embodiment extends along the taking and placing direction of the box body 1 and is in a long strip shape, and the clamping groove 31 is also in a long strip shape and is longer than the clamping piece 21. The connecting member 3 is provided with a limiting member 32, the limiting member 32 is elastically connected to the connecting member 3 and tends to be pressed toward the slot 31, and the limiting member 32 is provided with a limiting portion 321 which can extend into the slot 31 to limit the clamping member 21. In this embodiment, after box body 1 state targetting in place, the spacing portion 321 of joint spare 21 then suppress to the rear portion of joint spare 21, so realized the limiting displacement to joint spare 21, avoided the condition that the back-off appears in shell 2 under the effect of little external force, guaranteed the stability in the 1 working process of box body. When the box body 1 needs to be taken out, the shell 2 is pulled outwards and forcefully, the clamping piece 21 can overcome the elastic pressure of the limiting piece 32, and then in the process that the shell 2 and the box body 1 are pulled outwards, the clamping piece 21 slides along the guide of the clamping groove 31, and the lug 15 on the box body 1 moves along the guide groove 2012 of the toner hopper 201 until the box body 1 is taken out of the casing 300.

The working process of the split powder bin connecting structure is as follows. When the box body 1 is not assembled, the first opening 51 on the powder outlet 5 and the powder outlet 11 are in a non-butt joint state, and at the moment, the situation that the toner drops from the powder outlet 11 cannot occur. When the box body 1 is assembled, the convex block 15 on the box body 1 is aligned to the guide groove 2012 on the toner bin 201, and at this time, the clamping piece 21 on the shell 2 is also aligned to the clamping groove 31 on the clamping piece 21. The acting portion 72 of the first cover 7 abuts against the side wall of the toner hopper 201. Along with the assembly propulsion of box body 1, first lid 7 rotates and opens, and then drives out powder 5 and rotate under drive mechanism 9's effect, goes out first trompil 51 on powder 5 and is close to powder outlet 11 position gradually. Meanwhile, the sealing plate also abuts against the side surface of the first cover 7 to push the first cover 7 to move along the chute 203, so that the powder inlet 2011 is gradually opened. After the box body 1 is assembled in place on the toner bin 201, the first opening 51 on the powder outlet part 5 just rotates to the position overlapped with the powder outlet 11, so that the powder outlet 11 is completely opened, and the toner in the box body 1 can be output. Simultaneously, the first cover body 7 is also completely opened under the action of the sealing plate, the powder inlet 2011 and the powder outlet 11 are completely and relatively communicated, the sealing plate can ensure the sealing performance of the abutting periphery of the powder inlet 2011 and the powder outlet 11, and the printer is prevented from being polluted due to the fact that the powder drops outside in the toner conveying process. At this time, the printer can start printing.

The powder bin of the invention is additionally provided with a powder bin which is independent of the toner cartridge main body 200 and supplies toner to the toner bin 201, and when the toner cartridge is used, the toner required by the toner cartridge main body 200 in the work process can be realized only by butting the toner bin 201 of the toner cartridge main body 200. This box body 1 requires lowly to the powder of irritating, and convenience of customers independently irritates the powder, and conveying mechanism 4 in the box body 1 can independently accomplish the transport work of powdered ink. Even if the cartridge 1 is directly replaced, the cost thereof is low. Moreover, the user can adjust the adding amount of the toner according to the printing requirement of the user, and the problem of toner deterioration caused by long-term non-use is avoided.

The toner cartridge with the powder bin is applied, the toner cartridge main body 200 does not need to be disassembled, the service cycle is long, and the printing quality caused by the disassembling and assembling problems can not occur. In addition, since the main body 200 can be fixed in the printer housing 300, the movable space of the main body 200 does not need to be considered when designing the product, which provides a foundation for reducing the overall size of the printer and is beneficial to the more miniaturized design of the printer. And when using, according to the printer nature of difference, can regulate and control the powdered ink supply volume in the powder storehouse to powdered ink storehouse 201, and then more do benefit to the evenly distributed of powdered ink on the developer roll, promote the development quality, avoid because of the too much, the developing problem that leads to of too little carbon dust.

The printer using the powder bin and the toner cartridge has the advantages of convenient toner replacement, low use cost for users and better developing effect in printing work.

Example two

As shown in fig. 8 to 10, the present embodiment differs from the first embodiment only in that: the housing 2 in this embodiment is disposed in the printer casing 300, the housing 2 and the cartridge 1 are installed together in the printer casing 300, and the mounting opening 302 is connected to the cover plate 301 in a matching manner. This apron 301 is connected on casing 300 through the pivoted mode to be provided with the buckle on the inside wall of apron 301, match in the casing 300 and be provided with the trip structure with the buckle, and then realize the switching of apron 301 through the cooperation of buckle and trip.

The transmission mechanism 9 in this embodiment is in transmission connection with the powder outlet member 5 and the cover plate 301. The transmission mechanism 9 can drive the first opening 51 of the powder discharging member 5 to move to the position of the powder outlet 11 along with the closing action of the cover plate 301. Specifically, be connected with link 3011 on the inside wall of apron 301, be provided with the notch 22 that supplies link 3011 to pass on the shell 2, and then when guaranteeing the normal motion of apron 301, make link 3011 can with drive mechanism 9 mutual linkage effect, and then drive out the rotation of powder 5.

The transmission mechanism 9 in this embodiment includes a transmission plate 91, a return spring 92 and a mounting sleeve 93, the end of the powder discharging part 5 extends out of the box body 1 to form a connection column, and the transmission plate 91 is connected to the connection column in a limiting manner to realize connection on the outer end of the powder discharging part 5. Specifically, the periphery shape that the spliced pole corresponds the cover and establishes the position of driving plate 91 sets up to three horn shapes, and correspondingly sets up three horn holes on driving plate 91, and driving plate 91 overlaps through three horn holes and establishes on the spliced pole, and then can drive the spliced pole, go out synchronous the rotation of powder spare 5. The mounting sleeve 93 is sleeved on the connecting column and is located on the inner side of the transmission plate 91. The return spring 92 is a torsion spring, both ends of which are connected to the mounting sleeve 93 and the driving plate 91, respectively, and the return spring 92 tends to urge the driving plate 91 to rotate toward the link 3011. In order to limit the reset position of the driving plate 91, a limit rod 16 for limiting the reset position of the driving plate 91 is arranged on the side wall of the end part of the box body 1, and the position of the limit rod 16 can ensure that the driving plate 91 can be linked with the linkage part 3011 after being reset.

The link 3011 in this embodiment is a link plate, the link 3011 extends to the position of the transmission mechanism 9 in the box 1, and the link 3011 is in transmission connection with the transmission mechanism 9. After this connection structure in split type powder storehouse finishes installing in printer casing 300, close apron 301, then linkage 3011 is close to drive mechanism 9 along with apron 301, and linkage 3011 can promote driving plate 91 to rotate after contacting the driving plate, and then drives out powder 5, sealed 6 synchronous rotations of filling up to make first trompil 51, second trompil 61 overlap mutually with powder outlet 11 and in order to open powder outlet 11. When box body 1 is taken out to needs, apron 301 is opened, then link 3011 releases the support to the driving plate and presses, and then the driving plate rotates under reset spring 92's effect and resets to the position of gag lever post, correspondingly drives out powder 5, sealed 6 synchronous rotations of filling up for go out powder mouth 11 looks alternate and close out powder mouth 11, so the residual powdered ink in the box body 1 can not spill, has guaranteed that box body 1 takes out the in-process powdered ink that can not drop.

This linkage 3011 and drive mechanism 9's cooperation structure can guarantee to go out powder 5 position at the printing in-process and keep unchangeable, as long as apron 301 is in closed condition, then go out first trompil 51 on powder 5 and powder inlet 2011 and be in the position of overlapping promptly, the phenomenon that skids can not appear in the drive mechanism 9 part among this cooperation structure, has improved the reliability of normal printing work.

Claims (20)

1. A powder storehouse which characterized in that: including box body (1) that has the holding chamber, box body (1) can independently match in selenium drum main part (200) with dismouting to set up on box body (1) and be used for communicateing powder outlet (11) of selenium drum main part (200).

2. The powder hopper according to claim 1, wherein: the outer cover of the box body (1) is provided with a shell (2) which can be clamped on the printer shell (300).

3. The powder hopper according to claim 2, wherein: be provided with joint spare (21) on the surface at shell (2) both ends, be provided with connecting piece (3) corresponding to the position of each joint spare (21) on the internal surface of printer casing (300), the direction of getting along box body (1) is provided with draw-in groove (31) that can supply joint spare (21) to put into on connecting piece (3).

4. The powder hopper according to claim 3, wherein: be provided with locating part (32) on connecting piece (3), locating part (32) elastic connection just has the trend to draw-in groove (31) direction suppress on connecting piece (3), have on locating part (32) and can stretch into to draw-in groove (31) in and spacing portion (321) of spacing joint spare (21).

5. A powder hopper according to any of claims 1 to 4, wherein: the box body (1) is internally provided with a conveying mechanism (4) for conveying the powdered ink in the box body (1) to the powder outlet (11).

6. The powder hopper according to claim 5, wherein: the conveying mechanism (4) comprises a screw (41) which is rotatably arranged.

7. The powder hopper according to claim 6, wherein: a storage tank (12) for storing toner and a conveying tank (13) arranged on one side of the storage tank (12) are arranged in the box body (1), and the screw (41) is arranged in the conveying tank (13);

the conveying mechanism (4) also comprises a stirring rod (42) which is rotatably arranged in the storage tank (12).

8. The powder hopper according to claim 7, wherein: the stirring rod (42) is in transmission connection with the screw rod (41), and the stirring rod (42) is in transmission connection with the toner cartridge main body (200).

9. A powder hopper according to any of claims 1 to 4, wherein: a powder outlet piece (5) is arranged in the box body (1) corresponding to the powder outlet (11), and a first opening (51) matched with the powder outlet (11) is formed in the powder outlet piece (5);

go out powder spare (5) activity and set up in box body (1), and can overlap mutually with powder outlet (11) first trompil (51) when assembling box body (1) in order to open powder outlet (11), perhaps first trompil (51) and powder outlet (11) intersect and crisscross and close powder outlet (11) when separating box body (1).

10. The powder hopper according to claim 9, wherein: be provided with in box body (1) and match in installation cavity (14) of going out powder spare (5) activity, it is equipped with sealed pad (6) to inlay between the chamber wall of powder spare (5) and installation cavity (14), the position that corresponds first trompil (51) on sealed pad (6) is provided with second trompil (61) on going out powder spare (5).

11. The powder hopper according to claim 9, wherein: the powder outlet piece (5) is rotatably connected in the box body (1).

12. The powder hopper according to claim 9, wherein: the powder outlet (11) is provided with a first cover body (7) which can be opened along with the installation action of the box body (1), and the powder outlet piece (5) is in transmission connection with the first cover body (7) or a movable cover plate (301) on the printer shell (300) through a transmission mechanism (9).

13. The powder hopper according to claim 12, wherein: the first cover body (7) is rotatably connected to the box body (1) through the elastic piece (71), and the first cover body (7) has a tendency of closing the powder outlet (11) under the action of the elastic piece (71).

14. A cartridge comprising a cartridge body (200), characterized in that: the toner hopper as claimed in any one of claims 1 to 13, wherein the toner cartridge body (200) is provided with a toner hopper (201) for receiving toner in the cartridge body (1), and the toner hopper (201) is provided with a toner inlet (2011) matched with the toner outlet (11).

15. The cartridge of claim 14, wherein: the powder inlet (2011) is movably provided with a second cover body (202) capable of opening and closing the powder inlet (2011).

16. The cartridge of claim 15, wherein: sliding grooves (203) are formed in the two sides of the powder inlet (2011) of the toner bin (201) along the dismounting direction of the box body (1), and the second cover body (202) can be limited in the sliding grooves (203) in a sliding mode;

the box body (1) is provided with a pushing piece (8) which can push the second cover body (202) when the box body (1) is installed.

17. The cartridge of claim 16, wherein: the pushing piece (8) is a sealing sheet which is arranged on the matching surface of the box body (1) corresponding to the powder outlet (11), and a third opening (81) is formed in the position, corresponding to the powder outlet (11), of the sealing sheet.

18. The cartridge of claim 14, wherein: the powder storage box is characterized in that a guide groove (2012) is formed in the matching surface of the powder storage box (201) along the dismounting direction of the box body (1), and a convex block (15) capable of being matched with the guide groove (2012) is arranged on the matching surface of the box body (1) in a protruding mode.

19. A printer comprising a housing (300), characterized in that: a cartridge according to any one of claims 14 to 18.

20. The printer of claim 19, wherein: the printer shell (300) is provided with an installation opening (302) for installing the box body (1) and the toner cartridge main body (200);

the shell (2) is arranged in a printer shell (300), and a cover plate (301) is clamped on the mounting port (302) in a matching manner; or the shell (2) can be matched to cover the mounting opening (302).

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