阅读说明：本技术 一种大容量碳粉盒 (Large-capacity toner cartridge ) 是由 杨晓锋 易新华 于 2021-07-09 设计创作，主要内容包括：本发明提供一种大容量碳粉盒,包括显影盒和鼓盒,显影盒包括粉仓,鼓盒包括第一废粉仓和第二废粉仓,第一废粉仓和第二废粉仓之间设置有第一传递孔,第二废粉仓内设置有可变形的第一柔性密封袋,第一柔性密封袋与第一传递孔连通,第一柔性密封袋的入口处的周壁与第一传递孔的周壁密封地连接,第一柔性密封袋通过第一传递孔与第一废粉仓连通,第二废粉仓与粉仓连通。本发明合理有效地利用了打印机的容纳空间,使得废粉的传送是在碳粉盒正常工作的过程中自动地进行,无须人工操作,从而实现了碳粉盒处理废粉的问题,一方面扩充了碳粉盒的碳粉容纳空间,也扩展了废粉的容纳空间,降低了碳粉盒清理废粉和加粉的频率,提高打印页产量。(The invention provides a high-capacity toner cartridge which comprises a developing box and a drum box, wherein the developing box comprises a toner bin, the drum box comprises a first waste toner bin and a second waste toner bin, a first transfer hole is formed between the first waste toner bin and the second waste toner bin, a deformable first flexible sealing bag is arranged in the second waste toner bin, the first flexible sealing bag is communicated with the first transfer hole, the peripheral wall of an inlet of the first flexible sealing bag is hermetically connected with the peripheral wall of the first transfer hole, the first flexible sealing bag is communicated with the first waste toner bin through the first transfer hole, and the second waste toner bin is communicated with the toner bin. The invention reasonably and effectively utilizes the containing space of the printer, so that the waste powder is automatically conveyed in the normal working process of the carbon powder box without manual operation, thereby realizing the problem of waste powder treatment of the carbon powder box, expanding the carbon powder containing space of the carbon powder box, expanding the containing space of the waste powder, reducing the frequency of cleaning and adding the waste powder of the carbon powder box, and improving the output of printing pages.)

1. The utility model provides a large capacity cartridge, includes development box and drum box, the development box includes powder storehouse, its characterized in that:

the drum box comprises a first waste powder bin and a second waste powder bin, a first transfer hole is formed between the first waste powder bin and the second waste powder bin, a deformable first flexible sealing bag is arranged in the second waste powder bin, an inlet of the first flexible sealing bag is communicated with the first transfer hole, the peripheral wall of the inlet of the first flexible sealing bag is hermetically connected with the peripheral wall of the first transfer hole, the first flexible sealing bag is communicated with the first waste powder bin through the first transfer hole, and the second waste powder bin is communicated with the powder bin.

2. The toner cartridge of claim 1, wherein:

the first flexible sealing bag divides the second waste powder bin into two cavities which are not communicated with each other, wherein one of the cavities is communicated with the first transmission hole, and the other cavity is communicated with the powder bin.

3. The toner cartridge of claim 1, wherein:

the first transfer holes are arranged in a plurality, the first transfer holes are arranged in a row along the length direction of the first waste powder bin, and the first flexible sealing bag is connected with all the first transfer holes in a sealing mode.

4. A large capacity toner cartridge according to any one of claims 1 to 3, wherein:

a communicating part is arranged between the second waste powder bin and the powder bin;

the communicating part is provided with a hollow sealing element, two ends of the sealing element are respectively connected with the second waste powder bin and the powder bin in a sealing way, the middle part of the sealing element is provided with a second transfer hole, and the second waste powder bin is communicated with the powder bin through the second transfer hole.

5. The toner cartridge of claim 4, wherein:

the number of the communicated parts is two, the two communicated parts are arranged at two ends of the second waste powder bin in the length direction, the number of the sealing parts is equal to that of the communicated parts, and each sealing part is provided with the second transfer hole;

and a deformable second flexible sealing bag is arranged in the powder bin, and the second flexible sealing bag passes through one of the second transfer holes to be communicated with the first flexible sealing bag.

6. The toner cartridge of claim 5, wherein:

the second flexible sealing bag is provided with a powder discharging hole, and the powder discharging hole is communicated with a powder discharging opening of the powder bin.

Technical Field

The invention relates to the technical field of electrophotographic imaging, in particular to a large-capacity toner cartridge.

Background

In the prior art, the toner cartridge includes a developing cartridge and a drum cartridge, the developing cartridge is provided with a powder bin, a developing roller, a powder outlet knife, a stirring frame and the like, and the drum cartridge is provided with a waste powder bin, a photosensitive drum, a charging roller, a cleaning scraper and the like. The developing cartridge and the drum cartridge are generally provided as relatively independent components, and then are coupled integrally by a pin. This kind of integral type cartridge structure, because the cartridge is restricted by imaging device's inner space, the whole space in laser mouth position that powder storehouse and useless powder storehouse are connected is great, thereby lead to useless powder storehouse space less, lead to the useless powder volume that can hold in the useless powder storehouse less, make imaging device print the back because useless powder storehouse can't receive more useless powder and lead to need unpack apart useless powder storehouse or drill on useless powder storehouse and come the waste powder after adding the powder at every turn, the degree of difficulty of operating like this is big, the life who makes the cartridge easily shortens. Certainly, the user also has the problem that the user directly discards the toner cartridge after the toner of the toner cartridge is used up, so that the data is wasted, the user also needs to buy a new toner cartridge again, and the use cost of the user is increased.

Disclosure of Invention

The invention aims to provide a toner cartridge with large capacity.

In order to achieve the above purpose, the invention provides a large-capacity toner cartridge, which comprises a developing box and a drum box, wherein the developing box comprises a toner bin, the drum box comprises a first waste toner bin and a second waste toner bin, a first transfer hole is formed between the first waste toner bin and the second waste toner bin, a deformable first flexible sealing bag is arranged in the second waste toner bin, an inlet of the first flexible sealing bag is communicated with the first transfer hole, a peripheral wall of the inlet of the first flexible sealing bag is hermetically connected with a peripheral wall of the first transfer hole, the first flexible sealing bag is communicated with the first waste toner bin through the first transfer hole, and the second waste toner bin is communicated with the toner bin.

According to the scheme, the first flexible sealing bag is arranged outside the first waste powder bin and is communicated with the first waste powder bin, when enough waste powder is stored in the first waste powder bin, the waste powder can be transferred into the first flexible sealing bag, and the first flexible sealing bag is used for storing the waste powder, so that the capacity of the waste powder in the carbon powder box can be improved; the first flexible sealing bag is arranged in the second waste powder bin and the second waste powder bin is communicated with the powder bin, so that carbon powder can be pre-filled in the second waste powder bin when the toner cartridge is used for the first time, the carbon powder is positioned on the outer side of the first flexible sealing bag, and the carbon powder can be transferred to the powder bin when the toner cartridge is used; moreover, in the process of transferring the waste powder to the first flexible sealing bag, the waste powder promotes the first flexible sealing bag to push the carbon powder in the second waste powder bin to move to the powder bin, so that the carbon powder in the second waste powder bin can be ensured to completely enter the powder bin, and the carbon powder residue is avoided. The invention reasonably and effectively utilizes the containing space of the carbon powder box, so that the waste powder is automatically conveyed in the normal working process of the carbon powder box without manual operation, thereby improving the problem of waste powder treatment of the carbon powder box, expanding the carbon powder containing space of the carbon powder box, expanding the containing space of the waste powder, reducing the frequency of adding and cleaning the waste powder by the carbon powder, improving the output of printing pages, protecting the environment to the maximum extent, and achieving the purposes of saving resources and reducing cost.

The further proposal is that the first flexible sealing bag divides the second waste powder bin into two cavities which are not communicated with each other, wherein one cavity is communicated with the first transmission hole, and the other cavity is communicated with the powder bin.

According to the scheme, the two cavities which are not communicated with each other are arranged, so that the waste powder and the carbon powder in the second waste powder bin can be separated independently, and the waste powder and the carbon powder are prevented from being mixed.

The first conveying holes are arranged in a plurality of numbers, the first conveying holes are arranged in a row along the length direction of the first waste powder bin, and the first flexible sealing bag is connected with all the first conveying holes in a sealing mode.

According to the scheme, the waste powder can uniformly enter the first flexible sealing bag by arranging the first transfer holes.

The further proposal is that a communicating part is arranged between the second waste powder bin and the powder bin; the communicating part is provided with a hollow sealing element, the two ends of the sealing element are respectively connected with the second waste powder bin and the powder bin in a sealing way, the middle part of the sealing element is provided with a second transfer hole, and the second waste powder bin is communicated with the powder bin through the second transfer hole.

The number of the communicated parts is two, the two communicated parts are arranged at two ends of the second waste powder bin in the length direction, the number of the sealing parts is equal to that of the communicated parts, and each sealing part is provided with a second transfer hole; and a deformable second flexible sealing bag is arranged in the powder bin, and the second flexible sealing bag passes through one of the second transfer holes to be communicated with the first flexible sealing bag.

By above-mentioned scheme, through the flexible sealing bag of second that sets up with first flexible sealing bag intercommunication, be favorable to further increasing the accommodation space of useless powder, improve the holding capacity of useless powder.

The further scheme is that the second flexible sealing bag is provided with a powder discharging hole, and the powder discharging hole is communicated with a powder discharging opening of the powder bin.

According to the scheme, the powder discharging holes are formed, so that waste powder in the second flexible sealing bag and the first flexible sealing bag can be conveniently discharged.

Drawings

FIG. 1 is a block diagram of an embodiment of the present invention.

Fig. 2 is a cross-sectional view at a-a in fig. 1.

Fig. 3 is an exploded view of an embodiment of the present invention.

Fig. 4 is an enlarged view at B in fig. 3.

The invention is further explained with reference to the drawings and the embodiments.

Detailed Description

Example one

Referring to fig. 1 to 4, the large capacity toner cartridge provided in this embodiment includes a developing cartridge 1 and a drum cartridge 2, the developing cartridge 1 and the drum cartridge 2 are connected together by a pin up and down, and the developing cartridge 1 is located below the drum cartridge 2. The developing box 1 is provided with a powder bin 11, a developing roller 12, a powder outlet blade 13, a stirring frame (not shown in the figure), and the like, and the positions of the developing roller 12, the powder outlet blade 13 and the stirring frame and the connection relationship thereof are the prior art and will not be described again. The drum box 2 is provided with a first waste powder bin 21, a second waste powder bin 22, a photosensitive drum 23, a charging roller 24, a cleaning blade 25 and the like, the second waste powder bin 22 is located between the powder bin 11 and the first waste powder bin 21, and the positions and connection relations of the photosensitive drum 23, the charging roller 24 and the cleaning blade 25 are prior art and are not described herein again.

The drum box 2 further comprises an upper waste powder bin cover 26, a partition plate 27 and a lower waste powder bin cover 28, wherein the partition plate 27 is located on the inner side of the upper waste powder bin cover 26, a first waste powder bin 21 is defined between the upper waste powder bin cover 26 and the partition plate 27, the lower waste powder bin cover 28 is located on the lower side of the upper waste powder bin cover 26 and located on the left side of the partition plate 27, a second waste powder bin 22 is defined between the upper waste powder bin cover 26 and the lower waste powder bin cover 28, and the first waste powder bin 21 is higher than the second waste powder bin 22 in the vertical direction. The cleaning blade 25 and the photosensitive drum 23 are located at the inlet of the first waste toner hopper 21, and the outlet of the first waste toner hopper 21 communicates with the inlet of the second waste toner hopper 22. Specifically, the waste toner hopper lower cover 28 is penetratingly provided with nine first transfer holes 281 at a side close to the first waste toner hopper 21, and the nine first transfer holes 281 are arranged in line in a length direction of the first waste toner hopper 21, that is, in line in an axial direction of the photosensitive drum 23.

Be provided with deformable, a first flexible sealing bag 3 for storing useless powder in the useless powder storehouse of second 22, a flexible sealing bag 3 is located the outside in first useless powder storehouse 21, a flexible sealing bag 3 is through first transfer hole 281 and first useless powder storehouse 21 intercommunication, the entry of a flexible sealing bag 3 is connected with the perisporium of nine first transfer holes 281 sealedly, make the useless powder that shifts from first useless powder storehouse 21 and come get into first flexible sealing bag 3 completely, and can not directly get into in the useless powder storehouse of second 22, in order to avoid useless powder to reveal. Since the second waste powder bin 22 is located below the first waste powder bin 21, that is, the first flexible sealing bag 3 is located below the first waste powder bin 21, when enough waste powder is accumulated in the first waste powder bin 21, the waste powder enters the first flexible sealing bag 3 from the first transfer hole 281 under the action of accumulation and self gravity thereof, so as to increase the waste powder containing capacity of the whole toner cartridge. The first flexible sealing bag 3 is gradually expanded and expanded into the whole second waste powder bin 22 under the filling effect of waste powder so as to contain more waste powder as much as possible.

The first flexible sealing bag 3 divides the second waste powder bin 22 into two cavities which are not communicated with each other, one of the cavities is a containing cavity in the first flexible sealing bag 3 and is communicated with the first waste powder bin 21, the other cavity is a cavity formed between the bin wall of the first waste powder bin 21 and the outer side wall of the first flexible sealing bag 3 and is communicated with the powder bin 11, namely, the second waste powder bin 22 is communicated with the powder bin 11.

Two communicating parts are arranged between the second waste powder bin 22 and the powder bin 11, the communicating parts are the outlet of the second waste powder bin 22, and the two communicating parts are arranged at two ends of the second waste powder bin 22 in the length direction, namely at two ends of the photosensitive drum 23 in the axial direction. Specifically, the two ends of the waste powder bin lower cover 28 in the length direction are respectively provided with a first through hole 282, the powder bin side wall 111 of the powder bin 11 is provided with two second through holes 112, and the second through holes 112 are arranged corresponding to and communicated with the first through holes 282. The communicating part is positioned between the waste powder bin lower cover 28 and the powder bin side wall 111, in order to prevent carbon powder from leaking, a hollow sealing member 4 is arranged at the communicating part, a first end of the sealing member 4 is hermetically connected with the waste powder bin lower cover 28, and a second end of the sealing member 4 is hermetically connected with the powder bin side wall 111. The middle part of sealing member 4 has run through and has seted up second transfer hole 41, the both ends of second transfer hole 41 respectively with first perforation 282 and second perforation 112 intercommunication, second useless powder storehouse 22 passes through second transfer hole 41 and powder storehouse 11 intercommunication promptly, the carbon dust of filling in advance to second useless powder storehouse 22 can pass through second transfer hole 41 and remove to powder storehouse 11 to realize the space utilization maximize in second useless powder storehouse 22, be favorable to improving the holding capacity of carbon dust.

The powder bin 11 is provided with a powder adding port (not shown in the figure), before the powder bin is used for the first time, when a manufacturer fills carbon powder into the powder bin 11 through the powder adding port, the carbon powder can be filled into the second waste powder bin 22 at the same time, and the carbon powder in the second waste powder bin 22 is always positioned outside the first flexible sealing bag 3, so that the carbon powder accommodating capacity is improved, and the service life of the carbon powder box is prolonged.

In the using process, the carbon powder in the powder bin 11 is gradually converted into waste powder and enters the first waste powder bin 21, and meanwhile, the carbon powder in the second waste powder bin 22 gradually moves into the powder bin 11 to make room for the expansion of the first flexible sealing bag 3; when the amount of the waste powder in the first waste powder bin 21 is large enough, the waste powder is transferred into the first flexible sealing bag 3, the first flexible sealing bag 3 gradually expands and pushes the carbon powder in the second waste powder bin 22 to move towards the powder bin 11 until the first flexible sealing bag 3 is filled with the whole second waste powder bin 22.

The carbon powder and the waste powder are not mixed, namely the waste powder does not participate in the repeated reutilization in the powder bin, so that the phenomenon that bottom ash appears on the surface of a printing manuscript due to the repeated reutilization of the waste powder is avoided, and the printing quality is improved.

Example two

On the basis of the first embodiment, the powder bin is provided with a powder discharge port, a deformable second flexible sealing bag used for storing waste powder is arranged in the powder bin, an inlet of the second flexible sealing bag is arranged in one of the second transfer holes, preferably in one of the second transfer holes close to the powder discharge port, and the second flexible sealing bag is communicated with the first flexible sealing bag so as to further improve the containing capacity of the waste powder. The second flexible sealing bag divides the dust into two inequality cavities, wherein one cavity is the second flexible sealing bag and is used for containing waste powder, and the other cavity is used for containing carbon powder. The inlet of the second flexible sealing bag is adjacent to the hole wall of the second transfer hole, namely a channel for carbon powder to pass through is arranged between the outer side wall of the second flexible sealing bag and the hole wall of the second transfer hole. Before the waste powder is stored in the second flexible sealing bag, the carbon powder in the second waste powder bin can move to the powder bin through the two second transfer holes, and the carbon powder is always positioned outside the second flexible sealing bag. The second flexible sealing bag is provided with a powder discharge hole which is communicated with a powder discharge opening of the powder bin, so that waste powder can be discharged outwards conveniently.

In summary, according to the invention, the first flexible sealing bag is arranged outside the first waste powder bin and is communicated with the first waste powder bin, when enough waste powder is stored in the first waste powder bin, the waste powder can be transferred into the first flexible sealing bag, and the first flexible sealing bag is used for storing the waste powder, so that the capacity of the waste powder in the toner cartridge can be improved; the first flexible sealing bag is arranged in the second waste powder bin and the second waste powder bin is communicated with the powder bin, so that carbon powder can be pre-filled in the second waste powder bin when the toner cartridge is used for the first time, the carbon powder is positioned on the outer side of the first flexible sealing bag, and the carbon powder can be transferred to the powder bin when the toner cartridge is used; moreover, in the process of transferring the waste powder to the first flexible sealing bag, the waste powder promotes the first flexible sealing bag to push the carbon powder in the second waste powder bin to move to the powder bin, so that the carbon powder in the second waste powder bin can be ensured to completely enter the powder bin, and the carbon powder residue is avoided. The invention reasonably and effectively utilizes the containing space of the carbon powder box, so that the waste powder is automatically conveyed in the normal working process of the carbon powder box without manual operation, thereby improving the problem of waste powder treatment of the carbon powder box, expanding the carbon powder containing space of the carbon powder box, expanding the containing space of the waste powder, reducing the frequency of adding and cleaning the waste powder by the carbon powder, improving the output of printing pages, protecting the environment to the maximum extent, and achieving the purposes of saving resources and reducing cost.

Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, not limitations, and various changes and modifications may be made by those skilled in the art, without departing from the spirit and scope of the invention, and any changes, equivalents, improvements, etc. made within the spirit and scope of the present invention are intended to be embraced therein.