CN201638011U

CN201638011U - Carbon powder box

Info

Publication number: CN201638011U
Application number: CN2010203021115U
Authority: CN
Inventors: 陈远明
Original assignee: Print Rite Unicorn Image Products Co Ltd
Current assignee: Print Rite Unicorn Image Products Co Ltd
Priority date: 2010-02-02
Filing date: 2010-02-02
Publication date: 2010-11-17
Anticipated expiration: 2020-02-02

Abstract

The utility model relates to a carbon powder box which comprises a cavity body accommodating carbon powder, and a stirring device mounted in the cavity body, wherein the cavity body comprises a first side wall and a second side wall which are parallel to each other; the stirring device comprises a stirring frame pole and stirring blades mounted on the stirring frame pole; and the stirring frame pole comprises a positioning end mounted on the first side wall, and a driving end mounted on the second side wall, the driving end penetrates out of the second side wall through a through hole in the second side wall, and the part which penetrates out of the second side wall is sequentially equipped with a sealing part and a driving gear. The carbon powder box can simplify the structure of the stirring device, reduce the number of parts which need to be mounted, reduce the production cost of the carbon powder box and improve the production efficiency of the carbon powder box.

Description

Cartridge

Technical field

The utility model relates to a kind of cartridge as used for electronic photography image forming apparatus such as laser printer, duplicating machine or facsimile recorders.

Background technology

At electrophotographic image forming, in Xerox or digital duplicating machine and one printer, be provided with the developing apparatus that the electrostatic latent image that is formed on the photosensitive drums is developed, this developing apparatus develops by carbon dust is laid on the electrostatic latent image.Usually, the carbon dust that is consumed that develops is provided by cartridge, is loaded with carbon dust in the cartridge, and carbon dust stirs by the rotation of stirring apparatus in the cartridge and constantly is transported in the developing apparatus, thereby realizes continuous electronic imaging.After the carbon dust in the cartridge uses up, can proceed electrophotographic image forming by the cartridge that more renews.

Illustrated in figures 1 and 2 is the synoptic diagram of the stirring apparatus of existing cartridge.

Fig. 1 has shown installation site and the mode of existing stirring apparatus in cartridge 1, and Fig. 2 has shown the concrete structure of mixing component 14 and mixing component 15 and miscellaneous part mounted thereto.As can be seen from Fig. 1, the stirring apparatus in the cartridge 1 is made up of two

different mixing components

14 and 15, and mixing

component

14 and 15 two ends are installed in respectively on the sidewall 12 and sidewall 13 that cartridge 1 is parallel to each other.Mixing component 14 is made up of a stirring hack lever 141 and stirring vane 144,145 and 146, stir hack lever 141 and have a positioning end 142 and a drive end 143, positioning end 142 is rotatably installed on the sidewall 12, drive end 143 links to each other with V-shaped seal ring 16, sealing axle sleeve 17 successively, and be rotatably installed on the sidewall 13, driven wheel 18 is installed in the outside of sidewall 13, and its axle center one end is inserted into the inside of stirring hack lever 141, thus the external force of acceptance and drive mixing component 14 rotations.Mixing component 15 is one-body molded by stirring hack lever 151 and stirring vane 154, it stirs hack lever 151 and also comprises positioning end 152 and drive end 153, drive end 153 links to each other with V-shaped seal ring 16, sealing axle sleeve 17 successively and is rotatably installed on the sidewall 13, driven wheel 19 is installed in the outside of sidewall 13, its axle center one end is inserted into the inside of stirring hack lever 151, drives mixing component 15 rotations thereby accept external force.The drive end that stirs hack lever 141 and stirring hack lever 151 does not all exceed sidewall 13 outer surfaces after installing.

The stirring apparatus of above-mentioned cartridge comprises stirring hack lever 141, stirs hack lever 151, V-shaped seal ring 16, sealing axle sleeve 17, driven wheel 18 and driven wheel 19 totally 6 injection-moulded plastic parts, the assembling of these parts is not only time-consuming, and these parts all need open injection mould, have increased the production cost of cartridge.

Summary of the invention

It is simpler that fundamental purpose of the present utility model provides a kind of structure, the cartridge that cost is cheaper.

The cartridge that the utility model provides comprises the cavity that holds carbon dust and is installed in the interior stirring apparatus of cavity; Cavity comprises the first side wall and second sidewall that is parallel to each other; Above-mentioned stirring apparatus comprises a stirring hack lever and is installed in stirring vane on the stirring hack lever; This stirring hack lever has positioning end that is installed on the first side wall and the drive end that is installed on second sidewall, and this drive end passes second sidewall by the through hole on second sidewall, and it passes part seal and driven wheel are installed successively.

The cartridge of technique scheme, its drive end that stirs hack lever directly passes second sidewall, it passes part and goes up directly installation seal and driven wheel, V-shaped seal ring and sealing axle sleeve have been omitted, make the structure of stirring apparatus simpler, not only improve efficiency of assembling, can also reduce the number of spare parts that needs die sinking, lower the production cost of cartridge.

Further scheme is that the stirring vane of its stirring apparatus is two pairs, and every pair of stirring vane comprises first stirring vane and second stirring vane, and first stirring vane is overlapped at least and is arranged on second stirring vane.

The cartridge of technique scheme, its stirring vane only are two kinds, have further reduced the quantity of part, have lowered production cost, have improved production efficiency.

Further scheme is that the stirring apparatus of this cartridge comprises that also second of stirring vane is installed stirs hack lever, this second stirring hack lever has second positioning end that is installed on the first side wall and second drive end that is installed on second sidewall, this second drive end passes second sidewall by the through hole on second sidewall, and it passes part second seal and second driven wheel are installed successively.

The stirring apparatus of the cartridge that technique scheme provides comprises two puddlers, the drive end of second puddler passes second sidewall equally, it passes part second seal and second driven wheel is installed successively, V-shaped seal ring and sealing axle sleeve have been omitted, improved efficiency of assembling, also reduce the number of spare parts that needs die sinking, lowered the production cost of cartridge.

In addition, the seal and second seal are sponge ring, and two stirring hack levers are identical with two seal configurations, further reduced number of spare parts, reduced the production cost of cartridge.

Description of drawings

Fig. 1 is the installation site of the existing cartridge stirring apparatus of reflection and the stereographic map of mode;

Fig. 2 is the structure of existing cartridge stirring apparatus, and with the STRUCTURE DECOMPOSITION figure of associated components.

Fig. 3 is the stereographic map of the utility model cartridge embodiment, has omitted parts such as developer roll among the figure;

Fig. 4 is the structure of the utility model cartridge embodiment stirring apparatus, and with the STRUCTURE DECOMPOSITION figure of associated components.

The utility model is described in further detail below in conjunction with drawings and Examples.

Embodiment

Fig. 3 has shown the installation site and the mode of cartridge stirring apparatus among embodiment of the utility model, for say something clear for the purpose of, omitted the parts such as partial shell of developer roll and cartridge.Cartridge 3 comprises a cavity 31 that holds carbon dust, and the both sides of cavity 31 are the

sidewall

32 and 33 that is parallel to each other, and stirring apparatus is made of two mixing components 34 and 35.The end that mixing

component

34 and 35 is installed on the sidewall 32 is a positioning end, and an end that is installed on the sidewall 33 is a drive end.

In a further embodiment, stirring apparatus can only be made up of a mixing component, also can form by plural mixing component, no matter how much quantity of mixing component is, it all should have the positioning end that is installed on one of them sidewall and be installed in being used on another sidewall and receives external force and drive the drive end that mixing component rotates.

Fig. 4 has shown the structure of the stirring apparatus of the utility model embodiment, and this stirring apparatus and seal and driven wheel.The mixing component 34 of this stirring apparatus comprises a stirring hack lever 341 and is installed in two pairs of stirring vanes that stir on the hack lever 341.Each is made up of one first stirring vane 344 and one second stirring vane 345 stirring vane.First stirring vane 344 is being shorter than second stirring vane 345 and is overlaying on second stirring vane 345 on the Width, two stirring vanes 344 and a long limit end of 345 are installed in and stir on the hack lever 341 by being arranged on the reference column 346 that stirs on the hack lever 341.Two pairs of stirring vanes are distributed in the both sides of stirring hack lever 341 symmetrically.This stirring hack lever 341 also has positioning end 342 and drive end 343.The axle head 349 of positioning end 342 is embedded in the blind hole of sidewall 32, and carries out spacing in the longitudinal direction by 347 pairs of stirring hack levers of positioning boss.Drive end 343 passes sidewall 33 by the through hole on the sidewall 33, the inside surface that the positioning boss 348 of close drive end 343 contacts sidewall 33 carries out spacing to stirring hack lever 341 in the longitudinal direction, drive end 343 passes passing of sidewall 33 sealing sponge ring 36 and driven wheel 37 is installed on the part 350 successively, the square end 351 that passes part 350 is inserted in the square opening on driven wheel 37 axis, driven wheel 37 is fixed on the drive end 343, and stirring hack lever 341 is rotated along with the rotation of driven wheel 37.

Mixing component 35 comprises a stirring hack lever 341 and is installed in first stirring vane 344 and the 3rd stirring vane 355 that stirs on the hack lever 341, stirring vane 344 is being shorter than stirring vane 355 and is overlaying on the stirring vane 355 on the Width, their a long limit end is installed in a side that stirs hack lever 341 by being arranged on the reference column 346 that stirs on the hack lever 341.This stirring hack lever 341 equally also has positioning end 342 and drive end 343.The axle head 349 of positioning end 342 is embedded in the blind hole of sidewall 32, and carries out spacing in the longitudinal direction by 347 pairs of stirring hack levers of positioning boss.Drive end 343 passes sidewall 33 by the through hole on the sidewall 33, the inside surface that contacts sidewall 33 near the positioning boss 348 of drive end 343 is spacing to carrying out on the length direction that stirs hack lever 341, drive end 343 passes passing of sidewall 33 sealing sponge ring 36 and driven wheel 38 is installed on the part 350 successively, the square end 351 that passes part 350 is inserted in the square opening on driven wheel 38 axis, driven wheel 38 is fixed on the drive end 343, and stirring hack lever 341 is rotated along with the rotation of driven wheel 38.

Technical conceive of the present utility model is not limited in the foregoing description, can also obtain many different concrete schemes according to design of the present utility model.For example, in the above-described embodiments, driven

wheel

37 and 38 all is to fix by the square end 351 of drive end 343, in other embodiment, the mode that drive end 343 connects driven wheel 36 also can be that key connects, and glueing material is bonding, and perhaps any other known mode connects.In addition, stirring vane 344,345 also is not limited to reference column with 355 mounting means and is connected, and also can be installed in by other modes such as bonding, rivet connections and stir on the hack lever.Also can use other encapsulants or seal element replacements such as felt, rubber as the sealing sponge of seal.And mixing

component

34 and 35 also can select different seals to seal as required.More than these changes, combination and equivalent transformation all should be included within the described scope of claim.

Claims

1. cartridge comprises

Hold the cavity of carbon dust and be installed in the interior stirring apparatus of described cavity;

Described cavity comprises the first side wall and second sidewall that is parallel to each other;

Described stirring apparatus comprises a stirring hack lever and is installed in stirring vane on the described stirring hack lever;

Described stirring hack lever has positioning end that is installed on the described the first side wall and the drive end that is installed on described second sidewall;

It is characterized in that:

Described drive end passes described second sidewall by the through hole on described second sidewall, and it passes part seal and driven wheel are installed successively.

2. cartridge according to claim 1 is characterized in that:

Described stirring vane is two pairs, and every pair of stirring vane comprises first stirring vane and second stirring vane, and described first stirring vane is overlapped at least and is arranged on described second stirring vane.

3. cartridge according to claim 2 is characterized in that:

Described two pairs of stirring vanes all are installed on the described stirring hack lever by the reference column that is arranged on the described stirring hack lever.

4. cartridge according to claim 2 is characterized in that:

Described stirring apparatus comprises that also second stirs hack lever, on the described second stirring hack lever stirring vane is installed, described second stirs hack lever has second positioning end that is installed on the described the first side wall and second drive end that is installed on described second sidewall, described second drive end passes described second sidewall by the through hole on described second sidewall, and it passes part second seal and second driven wheel are installed successively.

5. cartridge according to claim 4 is characterized in that the structure of described stirring hack lever and the described second stirring hack lever is identical.

6. cartridge according to claim 4 is characterized in that described seal and described second seal are sponge ring.