CN2872424Y - Carbon-powder case for electronic image forming device - Google Patents

Abstract

The utility model is a powdered carbon box for the purpose of electro-photography image developing device, which comprises a box body and a box cover. A hollow cavity is provided on the box body and is equipped with a powder outlet. A powder outlet valve is equipped inside the powder outlet. The box cover is used to seal a powder inlet equipped on the box body. An airflow blowing and drawing mechanism could insert into the box inner cavity from the powder outlet. A flow guidance mechanism is equipped in the inner cavity of the box body and includes a flow guidance cover in funnel shape and a flow guidance cone in cone shape. A tap hole is positioned on the conical tip part of the flow guidance cover. A bracket is positioned on the conical surface of the flow guidance cone and support the funnel cavity of the flow guidance cover, which supports the inner cavity of the box. The powdered carbon box drives the flow of powdered carbon in the box through air flow, with stable and smooth powdered carbon supply.

Description

The electrophotographic imaging forming apparatus cartridge

Technical field

The utility model relates to the electrophotographic imaging forming apparatus cartridge, especially the cartridge as the carbon dust accommodating container of the developing apparatus of laser printer, Xerox or facsimile recorder use.

Background technology

The colorant accommodating container of early stage and the use of electrophotographic imaging forming apparatus coupling, common have hardware containers such as the bigger cartridge of rigidity, carbon dust bottle.This class container faces regeneration usually or destroys the problem that abandons by fire after the carbon dust consumption finishes.In view of this, split type assemble carbon powder box has appearred.

Application for a patent for invention CN01103099.2 discloses a kind of powder collecting container.This powder collecting container comprises the deformable ink powder bag that is used to take in ink powder, and takes in this ink powder bag and rigidity than the big outer container of above-mentioned ink powder bag.On the ink powder bag, be provided with the discharge portion that is used to discharge the ink powder of taking in.Even this technical scheme provide the container of taking in powder be flexiblely also be difficult for drooping, carrying property and the good powder collecting container of container assembleability when reclaiming.In the developing apparatus of this powder collecting container coupling, the supply of its carbon dust is served as by the airflow blow and suction mechanism that wherein is provided with usually.

Yet the outer container that this technical scheme just is used for fixing deformable ink powder bag has amounts to stacked characteristic, and the convenience of outer container in storage and transport process can only be provided, and for example the outer container of closed state is convenient to pile up and transport.Its deformable ink powder bag is then because the softness characteristics of its material itself, be easy to produce distortion, superimposed, soft flat, fold and the phenomenon that collapses, cause reducing effective storage powder space of deformable ink powder bag, cause that perhaps carbon dust residues in by in the slit superimposed, that fold forms, and causes waste.On the other hand, when if the developing apparatus of laser printer is in idle state for a long time, carbon dust in the deformable ink powder bag will adsorb mutually, deposit, and be hardened to the block carbon muffin, and the pressure value control that is blown into gas and sucking-off gas that the main Stimulated Light printer of the deformation power developing apparatus of deformable ink powder bag provides, can not form deformable ink powder bag deformation in a big way, be difficult to satisfy and keep carbon dust to be in the needed vibratory impulse power of fluffy state, cause carbon dust to form dense packing, finally become the residual powder that is difficult to use.

The utility model content

At the problems referred to above, it is single that the utility model purpose provides a kind of its formation, directly the rigidity cartridge of splendid attire and supply colorant.The carbon dust storage space efficient height of this cartridge, it cooperates with the airflow blow and suction mechanism of laser printer developing device, can improve the fluffy degree of carbon dust in the box effectively, strengthens the flowability of carbon dust, realizes the smooth supply of carbon dust.

Realize the electrophotographic image forming developing apparatus cartridge of above-mentioned purpose, wherein the electrophotographic image forming developing apparatus is provided with the airflow blow and suction mechanism of mating with cartridge.This cartridge comprises box body and lid.Box body has the inner chamber of hollow, and this box body is provided with one by the meal outlet of inner chamber to electrophotographic image forming developing apparatus supply toner.Be provided with in this meal outlet and close automatically when idle and advance the powder output valve of powder mechanism opening when using by the electrophotographic image forming developing apparatus.The powder filling port that lid is used for being provided with on the enclosed box body.Airflow blow and suction mechanism can insert the box body inner chamber from meal outlet.Be provided with deflector in the box body inner chamber.This deflector comprises the deflection cone that is funnel shaped kuppe and is cone shape.The cone tip portion of kuppe is offered small opening.The conical surface of deflection cone is provided with support, and this bracket supports is in the funnel chamber of kuppe.The cover body of kuppe is supported in the box body inner chamber.

Aforementioned electronic photographing imaging developing apparatus cartridge, the small opening of preferred kuppe points to meal outlet, and the awl point of deflection cone is meal outlet dorsad.

Further, aforementioned electronic photographing imaging developing apparatus cartridge, the cone bottom diameter of its deflection cone be greater than the maximum radial length of kuppe small opening, the awl trailing edge of kuppe along and the box body internal chamber wall between maintain predetermined gap.

Aforementioned electronic photographing imaging developing apparatus cartridge, excellent maximum radial length of selecting the cone bottom diameter of its deflection cone greater than the kuppe small opening, the awl trailing edge of kuppe contacts along being interrupted with the box body internal chamber wall.

Aforementioned electronic photographing imaging developing apparatus cartridge can also excellently be selected on its lid through hole is set, and the box body inner chamber is communicated with outside atmosphere by the filtrator that is arranged in the through hole.

Aforementioned electronic photographing imaging developing apparatus cartridge, the small opening of kuppe can obtain carbon dust mixing effect preferably when the distance of airflow blow and suction mechanism inflatable mouth remains on 8～50mm.This distance is meant the small opening distance of edge and airflow blow and suction mechanism gas eject position foremost.

Electrophotographic image forming developing apparatus cartridge of the present utility model is made of the rigidity cartridge monomer of direct splendid attire with the supply colorant.In this cartridge inner chamber, kuppe and deflection cone are set as deflector.The electrophotographic image forming developing apparatus advance powder mechanism for example powder inlet pipe or advance the powder rod and insert the cartridge inner chamber by the cartridge meal outlet after, airflow blow and suction mechanism in the electrophotographic image forming developing apparatus is by powder inlet pipe or advance the powder rod and be blown into gas off and on or from cartridge inner chamber intake-gas off and on, perhaps dual mode alternately intermittently carries out to the cartridge inner chamber.The gas that is blown into the cartridge inner chamber is regulated by kuppe, flows to cartridge inner chamber wall along the kuppe conical surface, forms flow perturbation, and then stirs the coloured powdery agent in the cartridge inner chamber, makes it be in fluffy state.When airflow blow and suction mechanism intake-gas, the carbon dust that is in fluffy state is subjected to the adjusting of deflection cone, by the small opening that slides to kuppe under the deflection cone conical surface, along with air-flow enters the toner supply passage of electrophotographic image forming developing apparatus, and finally be transported to developing apparatus by small opening.This shows, the utility model has made full use of the original project organization of electrophotographic image forming developing apparatus, carbon dust storage and supply that the multicomponent labyrinth could be realized have been finished with the cartridge of monomeric form, has characteristics of high efficiency simple in structure, and expanded the cartridge useful space that is used to hold colorant, carbon dust utilization factor height, less residue.

The drawing explanation

Fig. 1 the utility model electrophotographic image forming developing apparatus cartridge box body structure synoptic diagram.

Fig. 2 the utility model electrophotographic image forming developing apparatus illustrates the version of box body with cartridge box body structure synoptic diagram two from box body inner chamber angle.

Fig. 3 the utility model electrophotographic image forming developing apparatus illustrates along each corresponding component parts of cartridge of box body meal outlet axis partition with cartridge STRUCTURE DECOMPOSITION synoptic diagram one.

Fig. 4 the utility model electrophotographic image forming developing apparatus cartridge STRUCTURE DECOMPOSITION synoptic diagram two, its view projecting direction is opposite with Fig. 3, illustrates along each corresponding component parts of cartridge of box body meal outlet axis partition.

Fig. 5 the utility model electrophotographic image forming developing apparatus cartridge decomposition texture cut-open view.

Fig. 6 the utility model electrophotographic image forming developing apparatus cartridge one-piece construction cut-open view, the direction of its cutting plane is vertical mutually with the cutting plane of Fig. 5.

Fig. 7 the utility model electrophotographic image forming developing apparatus cartridge one-piece construction synoptic diagram.

Embodiment

The utility model cartridge is to hold and supplying device with the matching used carbon dust of electrophotographic image forming developing apparatus.This electrophotographic image forming developing apparatus, for example laser printer developing device is equipped with airflow blow and suction mechanism.

This airflow blow and suction mechanism with the connecting portion of the utility model cartridge, be the connecting pipe of shape such as needle-like.The point of this connecting pipe inserts in the meal outlet of the utility model cartridge with upright form.In the inside of connecting pipe, be provided with respectively independently two hollow pipelines.One of hollow pipeline is as the gas piping of supplying gas to the utility model cartridge inner chamber, one of its port is positioned at the connecting pipe point, with the environmental communication outside the point, its port two be arranged at laser printer on air pump be connected, in form input the utility model cartridge inner chamber of gases at high pressure that air pump running is produced with air pulse.Spray into air pulse in the utility model cartridge inner chamber and blow carbon dust in it and produce eddy flow and dance in the air, destroy the dense packing state that carbon dust forms naturally, reach the purpose that the maintenance carbon dust is in fluffy flow state.Hollow pipeline two as the duff pipe that transports carbon dust to laser printer developing device, one of its port also is positioned at the connecting pipe point, also with point outside environmental communication, two of its port is connected with the imported spiral powder pump that is provided with on the laser printer, and then is connected to the carbon dust supply port of laser printer developing device.Laser printer is used the powder amount by what print image was treated in detection, sends the instruction of supplying with carbon dust to spiral powder pump, and spiral powder pump according to the order operation, is delivered to laser printer developing device with predetermined carbon dust demand by duff pipe immediately.

The gas piping of airflow blow and suction mechanism and duff pipe are controlled by connected air pump and spiral powder pump respectively, work alone without interfering with each other, perhaps move the control with off state independently.Gas piping is independently to the utility model cartridge inner chamber input high-voltage pulse air-flow.Duff pipe is carried carbon dust to laser printer developing device independently.Perhaps, gas piping and duff pipe can be confused in one, promptly in the connecting pipe of airflow blow and suction mechanism, use same pipeline, control this same pipeline by laser printer and alternately finish the action of blowing and carrying carbon dust respectively in the different periods.

Adapt with above-mentioned laser printer developing device, the box body 4 of the utility model cartridge, referring to Fig. 1,2,3,4, be by the bigger plastic pouring moulding of hardness the rigidity box body, its inner hollow is formed for storing up receives the inner chamber 41 of carbon dust.This rigidity box body is basic configuration with rectangular parallelepiped.An end face of the long side direction of rectangular parallelepiped is in open state, and under the state that carbon dust exhausts, open port pours into carbon dust to box body inner chamber 41 thus.Four chamber walls 42 of this open port shrink a little, and the outside surface of four chamber walls 42 is provided with and is used for the tying projection 43 that cooperates with end cap.The rectangular parallelepiped end face relative with open port is punctured into a rectangular surfaces that area is less in proportion, and two corresponding sides to little rectangular surfaces tilt from its middle part on two surfaces of rectangular parallelepiped long side direction.So final formation approximately is the box body 4 of octahedra shape.In the plastic pouring forming process,, prevent near above-mentioned two dip plane of rectangular parallelepiped, correspondingly to add the setting muscle 44 that is used to guarantee box body 4 sloping portion shapes because the softening shape that produces of plastics makes a variation in order to guarantee to obtain the box body 4 that shape conforms with designing requirement.On little rectangular surfaces, be provided with the meal outlet 1 that connects this little rectangular surfaces place box wall.Meal outlet 1 is communicated with the external environment condition of box body inner chamber 41 and box body 4.The connecting pipe of laser printer developing device airflow blow and suction mechanism can insert the box body inner chamber 41 from the outside by meal outlet 1, in box body inner chamber 41, import the high-voltage pulse air-flow by the gas piping of establishing in it, perhaps in box body inner chamber 41, draw carbon dust by the duff pipe of establishing in it.

Referring to Fig. 3,4,5,6, the utility model cartridge comprises outlet cap 2, meal outlet valve 3, box body 4, kuppe 5, deflection cone 6, sealing gasket 7, lid 8, carbon dust information storage chip 9 and filtrator 10 on the structure.

Meal outlet valve 3 adopts the elastic material of rubber and so on, and it is arranged in the meal outlet 1, is provided for the valve film 31 of enclosed box body inner chamber 41 in it.Valve film 31 is spherical shape, and the direction that protrudes out of its sphere is pointed to box body inner chamber 41 by meal outlet 1 outside.Offering the slit 32 of criss-cross perforation valve film 31 on valve film 31, can certainly be the slit of in-line or other shape.Rely on the arch effect of sphere, under valve film 31 in the raw, its slit 32 is in the applying closed condition, with box body inner chamber 41 and the isolation of meal outlet 1 external environment condition.After in valve film 31 is packed meal outlet 1 into, outlet cap 2 is nested on the cylindrical wall of meal outlet 1, one are completely fixed valve film 31 in meal outlet 1, the two connecting pipe for laser printer developing device airflow blow and suction mechanism provides level and smooth patching to lead mouth, is convenient to convenient this connecting pipe that makes exactly and inserts or withdraw from meal outlet valve 3.

Deflector 56 comprises the deflection cone 6 that is funnel shaped kuppe 5 and is cone shape.The cone tip portion of kuppe 5 is offered small opening 51.The conical surface of deflection cone 6 is provided with support 61, and this support 61 is supported in the funnel chamber of kuppe 5.The cover body of kuppe 5 is supported in the box body inner chamber.In user mode, between kuppe 5 and the deflection cone 6, rely on the own wt of deflection cone 6 to be supported in the kuppe 5 awl bodies leakage chambeies along vertical by support 61, loosely forms the deflector 56 that carbon dust and gas flow are guided in complete being used to.The cover body of kuppe 5 is supported in the box body inner chamber 41 on the respective block platform 45 that the inclination contraction chamber wall by box body 4 constitutes near the conical surface position of small opening 51.The small opening 51 of kuppe 5 points to box body meal outlet 1.The awl point 62 of deflection cone 6 is box body meal outlet 1 dorsad.The cone bottom diameter of deflection cone 6 is greater than the maximum radial length of kuppe small opening 51, and the maximum radial length of kuppe small opening 51 shows as Circularhole diameter here.Between awl tail 52 edges of kuppe 5 and box body inner chamber 41 walls, maintain an appropriate gap, perhaps keep being interrupted contact form between awl tail 52 edges of kuppe 5 and box body inner chamber 41 walls, perhaps the awl body of kuppe 5 is offered a breach 53, be deflector 56 along self radially suitable awl wall position and box body inner chamber 41 between keep an appropriate gap, in box body inner chamber 41, have along the appropriate flowing space or the passage of box body inner chamber 41 chamber walls to guarantee carbon dust and gas.The conical surface of kuppe 5 intersects at the about middle part of long side direction of box body inner chamber 41 on himself is axial along the virtual plane of flattening of awl end direction, like this after the connecting pipe that the high-voltage pulse air communication is crossed airflow blow and suction mechanism enters box body inner chamber 41, gas will impact along kuppe 5 awl body outside surfaces chamber wall around box body inner chamber 41, and by the chamber wall box body inner chamber 41 with respect to meal outlet 1 circles round to the position, destroy adhering to and sedimentary effect of carbon dust.The carbon dust that is in fluffy attitude then slides near meal outlet 1 by kuppe small opening 51 along the conical surface of deflection cone 6.The small opening 51 of kuppe 5 can obtain carbon dust mixing effect preferably when the distance of airflow blow and suction mechanism inflatable mouth remains on 8～50mm.

Lid 8 shapes and box body 4 are with respect to the end of meal outlet 1, and promptly powder filling port adapts, and have the interior outer skirt 84 and 83 of extending in the same way around it.Outer skirt 83 is provided with the tying projection 43 corresponding adaptive tying holes 82 with box body 4.In addition, for the bearing capacity that guarantees box body 4 is in the scope that its material allows, and the high-voltage pulse air-flow of laser printer developing device airflow blow and suction mechanism and carbon dust suction action be able to smooth realization, also offers the constant voltage hole 81 that connects base plate on the base plate of lid 8.In constant voltage hole 81, fill filtrator 10.Filtrator 10 by perforated foams for example sponge make, its allows gas freely to pass through self, but carbon dust is had the current effect of sealing blocking-up, does not allow carbon dust to pass through.The lid 8 that has filtrator 10 is encapsulated into after box body 4 ends, can adjust the airtight inner chamber 41 of buffering owing to laser printer airflow blow and suction mechanism imports the internal pressure that the gas in it produces.In addition, also be provided with the assembly section 85 that is used to settle chip 9 on the plate outer surface of lid 8.

Under confined state, sealing gasket 7 fits in four chamber walls 42 of the box body surface, outer and the outer surface of lid inner skirt 84 towards meal outlet 1 of meal outlet 1 dorsad, perhaps be squeezed in the slit between lid inner skirt 84 and the lid outer skirt 83, tying projection 43 is pressed in the tying hole 82, box body 4 and lid 8 linked closely be one, in 42 slits that embed between lid inner skirt 84 and the lid outer skirt 83 of four chamber walls of box body 4, further oppress sealing gasket 7, the open port of box body 4 is sealed fully, finally be formed for holding the airtight inner chamber 41 of carbon dust, referring to Fig. 7.

Under the guiding of the present utility model thought, can also make many duplicating in little innovation, gizmo or the conversion of technical solutions of the utility model.For example, the support that is used to support deflection cone can be replaced by at the conical surface and be increased the annulus that is provided with, and also can abandon support and directly at the deflection cone conical surface groove that allows carbon dust to drift is set, and is supported in the kuppe funnel inner chamber with the chimb of groove; The shape of deflection cone is not limited to the cone form, can also be triangular cone or polygonal pyramid body, even can also be frustum or hemisphere shape; Deflector can be fastened mutually by pyramid and kuppe and obtain, or the like, suchlike variation all belongs to the protection domain of the utility model claim.

Claims (6)

1. electrophotographic image forming developing apparatus cartridge, described electrophotographic image forming developing apparatus is provided with the airflow blow and suction mechanism with described cartridge coupling, described cartridge comprises box body and lid, described box body has the inner chamber of hollow, described box body is provided with one by the meal outlet of described inner chamber to described electrophotographic image forming developing apparatus supply toner, be provided with in the described meal outlet and close automatically when idle and advance the powder output valve of powder mechanism opening when using by described electrophotographic image forming developing apparatus, described lid is used to seal the powder filling port that is provided with on the described box body, described airflow blow and suction mechanism can insert described box body inner chamber from described meal outlet, it is characterized in that being provided with deflector in the described box body inner chamber, described deflector comprises the deflection cone that is funnel shaped kuppe and is cone shape, the cone tip portion of described kuppe is offered small opening, the conical surface of described deflection cone is provided with support, described bracket supports is in the funnel chamber of described kuppe, and the cover body of described kuppe is supported in the described box body inner chamber.

2. electrophotographic image forming developing apparatus cartridge according to claim 1 is characterized in that the small opening of described kuppe points to described meal outlet, the described dorsad meal outlet of the awl point of described deflection cone.

3. electrophotographic image forming developing apparatus cartridge according to claim 2, it is characterized in that the maximum radial length of the cone bottom diameter of described deflection cone, maintain predetermined gap between the awl trailing edge edge of described kuppe and the described box body internal chamber wall greater than described kuppe small opening.

4. electrophotographic image forming developing apparatus cartridge according to claim 2 is characterized in that the maximum radial length of the cone bottom diameter of described deflection cone greater than described kuppe small opening, and the awl trailing edge of described kuppe contacts along being interrupted with described box body internal chamber wall.

5. according to claim 3 or 4 described electrophotographic image forming developing apparatus cartridges, it is characterized in that described lid is provided with through hole, described box body inner chamber is communicated with outside atmosphere by the filtrator that is arranged in the described through hole.

6. electrophotographic image forming developing apparatus cartridge according to claim 5 is characterized in that the distance of the extremely described airflow blow and suction of the small opening mechanism inflatable mouth of described kuppe is 8～50mm.

Images