CN209821594U

CN209821594U - Carbon powder box

Info

Publication number: CN209821594U
Application number: CN201920838103.3U
Authority: CN
Inventors: 杨晓锋; 易小军
Original assignee: Print Rite Unicorn Image Products Co Ltd
Current assignee: Print Rite Unicorn Image Products Co Ltd
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2019-12-20
Anticipated expiration: 2029-06-04

Abstract

The utility model relates to a toner cartridge, which comprises a toner bin, wherein the toner bin comprises a casing and a first side wall which are connected with each other, and the casing comprises a toner outlet; the sealing element is positioned at the inner side of the powder outlet and can be rotatably arranged on the powder bin; the first end of the linkage mechanism is connected with the sealing piece, and the second end of the linkage mechanism is pivoted on the first side wall; the linkage mechanism comprises a contact part which can move along the direction of the outer side of the shell pointing to the inner side of the shell, so that the linkage mechanism drives the sealing piece to rotate from a first position for closing the powder outlet to a second position for opening the powder outlet. The utility model discloses a cartridge nature simple structure is favorable to simplifying production assembly process, does not influence the performance of cartridge simultaneously.

Description

Carbon powder box

Technical Field

The utility model relates to a printing consumables field, concretely relates to cartridge.

Background

Electrophotographic image forming apparatuses such as laser printers are generally mounted with a developing cartridge that is detachable from the printer. The existing developing cartridges include the following two types: the integrated box mainly comprises a developing unit and a toner cartridge; and the developing unit and the toner cartridge are separated to form a split cartridge.

The existing split box has the following product structure: the developing unit is composed of a developing roller, a scraping blade, a photosensitive drum, a charging roller, a waste powder bin and the like, and is combined with the carbon powder box and placed in the printer. Consume the very fast toner of the setting in solitary toner cartridge, this solitary toner cartridge and developing unit cooperation, when the toner exhausts, can add the toner to the toner cartridge conveniently, perhaps change the toner cartridge, need not to change together with developing unit, practice thrift the cost. Since both the developing unit and the toner cartridge are separable, each removable from the image forming apparatus, both use the opening and closing member to open and close the respective toner inlet and toner outlet. The opening and closing member seals the toner outlet of the toner cartridge and the toner inlet of the developing unit when the toner cartridge is not placed in the image forming apparatus. When the toner cartridge is combined with the developing unit, the opening and closing member opens the toner outlet of the toner cartridge and the toner inlet of the developing unit.

US patent No. US8649710B2 discloses a toner cartridge, as shown in fig. 1, wherein the toner cartridge 10 is fitted with a developing unit 20, the developing unit 20 is provided with a toner inlet 21 and a frame 22 for supporting the toner cartridge 10, and the frame 22 is provided with fins 23. As shown in fig. 2, the toner cartridge 10 includes a linkage mechanism 11 and an interlocking mechanism 12, when the toner cartridge 10 is combined with the developing unit 20, the fin 23 pushes the interlocking mechanism 12 to move, the interlocking mechanism 12 unlocks the linkage mechanism 11, and the ejector rod 13 of the linkage mechanism 11 is pushed from the direction a by the projection of the imaging device, so as to open the opening and closing component inside the toner outlet, so that the toner passes through the toner inlet 21 of the developing unit 20 from the toner outlet of the toner cartridge 10 and enters the developing chamber. US patent No. US8774684B2 also discloses a toner cartridge, as shown in fig. 3, the toner cartridge 30 is fitted with a developing unit 40, in order to ensure that toner does not leak, the toner cartridge 30 is further provided with a cover 31 and a link mechanism 32 for controlling the opening and closing of the cover 31 outside the toner outlet, and a convex surface 41 of the developing unit 40 can push the link mechanism 32 to move so as to open the cover 31. However, the whole linkage system of the toner cartridges is complex in structure, more in parts, complex in production process, complex in assembly process and higher in cost of the toner cartridges.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple structure, production technology simplify, assembly process is simple, the cartridge of cost lower.

In order to realize the utility model discloses a purpose, the utility model provides a toner cartridge, include: the powder bin comprises a shell and a first side wall which are connected, and the shell comprises a powder outlet; the sealing element is positioned at the inner side of the powder outlet and can be rotatably arranged on the powder bin; the first end of the linkage mechanism is connected with the sealing piece, and the second end of the linkage mechanism is pivoted on the first side wall; the linkage mechanism comprises a contact part which can move along the direction of the outer side of the shell pointing to the inner side of the shell, so that the linkage mechanism drives the sealing piece to rotate from a first position for closing the powder outlet to a second position for opening the powder outlet.

It is from top to bottom visible, the utility model discloses a link gear drives the inboard sealing member rotation of meal outlet to realize the switching of meal outlet. The linkage mechanism is provided with a contact part, and when the toner cartridge is not matched with the developing unit, the sealing piece is positioned at a first position for closing the toner outlet. When the carbon powder box is matched with the developing unit, the contact part of the carbon powder box moves towards the inner side of the shell under the action of the bulge on the developing unit, so that the linkage mechanism is promoted to move, and the sealing piece is driven to rotate to the second position for opening the powder outlet. The utility model discloses a cartridge simple structure is favorable to simplifying production assembly process, reduces product cost, does not influence the performance of cartridge simultaneously, and the cartridge has the advantage that the dependable performance, the machine that falls are steady.

The further technical scheme is that the first side wall is close to the powder outlet, and the linkage mechanism is located on the outer side of the first side wall.

It is from top to bottom visible, the utility model discloses a first lateral wall is close to the meal outlet, and the link gear of being convenient for is connected with the inboard sealing member of meal outlet. The linkage mechanism is positioned on the outer side of the first side wall, and the part assembly of the linkage mechanism is further facilitated.

The further technical scheme is that the toner cartridge further comprises an elastic piece, the first end of the elastic piece is abutted to the toner bin, and the second end of the elastic piece is abutted to the linkage mechanism.

It is from top to bottom visible, the utility model discloses a cartridge includes the elastic component, when the cartridge did not break away from the developer unit with developer unit combination or cartridge, link gear maintains or resumes to the bellied initial position in the casing outside under the effect of elastic component for the sealing member seals out the powder mouth.

The further technical scheme is that a first limiting column and a second limiting column are arranged on the first side wall; the elastic component is a torsion spring, the main body sleeve of the torsion spring is arranged on the first limiting column, the first end of the torsion spring is abutted against the second limiting column, and the second end of the torsion spring is abutted against the linkage mechanism.

It is from top to bottom visible, the utility model discloses an elastic component is the torsional spring, and the torsional spring setting is on first lateral wall, simple structure, and can effectively realize link gear's restoration.

The linkage mechanism comprises a first connecting piece, a second connecting piece and a third connecting piece, wherein the first connecting piece is hinged with the second connecting piece, and the second connecting piece is hinged with the third connecting piece; the first connecting piece is provided with a connecting part at a position away from the second connecting piece, and the connecting part is fixedly connected with the sealing piece; the tail end of the third connecting piece is pivoted with a third limiting column on the side wall; the second connector has a contact portion formed thereon.

It is from top to bottom visible, the utility model discloses a link gear forms through three articulated connecting piece connection in proper order, can realize that the removal through the contact site drives the sealing member and rotates, and part is small in quantity simultaneously, simple structure.

The further technical proposal is that the connecting part comprises a through hole and a groove arranged around the through hole; the sealing piece comprises a stop block and an extension block arranged at one end of the stop block, the stop block is adjacent to the powder outlet, and the extension block comprises a cylinder and a convex block arranged around the cylinder; the column body extends into the through hole, and the fastening piece fixes the column body from the outer side of the through hole; the projection is matched with the groove.

It is from top to bottom visible, the utility model discloses a sealing member is fixed with link gear's connecting portion on axial and circumferencial direction for the sealing member rotates along with the link gear action.

The further technical proposal is that the block comprises sealing sponge, and a gap is arranged on the block; when the sealing element is at the first position, the notch leaves the powder outlet; when the sealing element is at the second position, the notch is communicated with the powder outlet.

It is from top to bottom visible, the utility model discloses a dog is equipped with sealed sponge, can seal the meal outlet better. The stop block is provided with a notch, and the notch and the powder outlet are changed in position relation through rotation of the sealing piece, so that the powder outlet is opened and closed.

The further technical scheme is that the sealing element is arranged on the first side wall through a bearing; the sealing member includes the stopper, and the bearing includes the spacing groove, stopper and spacing groove cooperation, and the stopper can move in the spacing inslot.

It is from top to bottom visible, the utility model discloses a sealing member passes through the bearing and rotationally installs on first lateral wall, and the bearing is equipped with the turned angle that the spacing groove is the sealing member and restricts for the sealing member only rotates between primary importance and second place.

The powder bin further comprises a second side wall connected with the shell, and the second side wall is opposite to the first side wall; the inner side of the shell is provided with a channel connected with the powder outlet, the channel is provided with a cylindrical closed section at the powder outlet, and the sealing element comprises a cylindrical stop block positioned in the closed section; the carbon powder box also comprises a screw rod and a stirring mechanism which are rotatably arranged between the first side wall and the second side wall, the screw rod extends into the closed section, and the stirring mechanism is adjacent to the screw rod; the screw rod and the stirring mechanism are respectively connected with a driving mechanism arranged on the outer side of the second side wall.

It is from top to bottom visible, the utility model discloses a dog is placed in the enclosed section, can follow the enclosed section and rotate. The utility model discloses a cartridge still includes subassemblies such as hob, rabbling mechanism and actuating mechanism, and the rabbling mechanism includes stirring frame and stirring frame blade, and actuating mechanism is including the drive gear that is used for receiving the transmission power, and drive gear includes the hob gear that provides power for the rabbling mechanism and the hob gear that provides power for the hob.

The carbon powder box further comprises a first end cover and a second end cover, wherein the first end cover is arranged on the outer sides of the first side wall and the linkage mechanism, and the contact part is exposed from the first end cover; the second end cap is disposed outboard of the second sidewall and the drive mechanism, the drive mechanism emerging from the second end cap.

It is from top to bottom visible, the utility model discloses a cartridge passes through end cover part cover link gear and actuating mechanism, protects link gear and actuating mechanism, avoids touching and drops. Meanwhile, the contact part is exposed from the first end cover so that the contact part can be contacted with the bulge of the developing unit, and the driving mechanism is exposed from the second end cover so that the driving mechanism can receive the driving force of the outer side, so that the functions of the linkage mechanism and the driving mechanism are realized.

Drawings

Fig. 1 is a schematic structural diagram of a toner cartridge and a developing unit in the prior art.

Fig. 2 is a schematic view of the toner cartridge and developer unit of fig. 1 engaged at another angle.

Fig. 3 is a schematic view of another prior art toner cartridge and developer unit combination.

Fig. 4 is a schematic structural diagram of the toner cartridge of the present invention.

Fig. 5 is a schematic structural view of the toner cartridge according to another angle.

Fig. 6 is an exploded view of the toner cartridge according to the embodiment of the present invention.

Fig. 7 is an exploded view of the sealing member and the linkage mechanism of the toner cartridge according to the embodiment of the present invention.

Fig. 8 is an exploded view of the sealing member and the linkage mechanism of the toner cartridge according to another embodiment of the present invention.

Fig. 9 is a schematic view of a partial structure of a toner outlet of a toner cartridge according to an embodiment of the present invention.

Fig. 10 is a schematic side view of a toner outlet of a toner cartridge according to an embodiment of the present invention.

Fig. 11 is a schematic view of a partial structure of a toner outlet of a toner cartridge according to an embodiment of the present invention.

Fig. 12 is a schematic side view of a toner outlet of a toner cartridge according to an embodiment of the present invention.

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Detailed Description

As shown in fig. 4 to 6, the present embodiment provides a toner cartridge including a toner hopper 100, a first end cap 200, and a second end cap 300. The powder cartridge 100 includes a housing 110, a first sidewall 120 and a second sidewall 130 connected to and disposed opposite to the housing 110, and the powder cartridge 100 further includes a cover 140 coupled to the housing 110, wherein the housing 110, the first sidewall 120, the second sidewall 130 and the cover 140 together form the powder cartridge 100 for containing toner. The first end cap 200 is disposed outside the first sidewall 120, and the second end cap 300 is disposed outside the second sidewall 130.

The housing 110 is provided with a powder outlet 111. The powder outlet 111 is close to the first side wall 120. The inner side of the casing 110 is provided with a channel 112 connected with the powder outlet 111, the channel 112 is provided with a cylindrical closed section 113 at the powder outlet 111, and the closed section 113 is communicated with the inside of the powder bin 100. The powder hopper 100 is further provided therein with a screw 150 and a stirring mechanism 160, and the screw 150 and the stirring mechanism 160 are rotatably supported between the first side wall 120 and the second side wall 130. The end of the screw 150 extends into the closing section 113. The agitation mechanism 160 includes an agitator frame and agitator blades. The screw 150 and the stirring mechanism 160 are respectively connected to the driving mechanism 400 disposed between the second sidewall 130 and the second end cap 300. The driving mechanism 400 includes a screw gear and a stirring mechanism gear respectively connected to the screw 150 and the stirring mechanism 160, and a transmission gear, a portion of which is exposed from the second end cap 300, for engaging with a gear of the image forming apparatus side to transmit a rotational force.

The inner side of the powder outlet 111 is provided with a sealing member 500, and the sealing member 500 is supported on the first sidewall 120 through a bearing 170. As shown in fig. 7 to 8, the sealing member 500 includes a stopper 510 and an extension block 520 disposed at one end of the stopper 510. The stop 510 is cylindrical and the stop 510 is disposed within the closing section 113 adjacent to the inside surface of the closing section 113. The stop block 510 is adjacent to the powder outlet 111, the stop block 510 comprises a sealing sponge, and a notch 511 is formed in the stop block 510. The extension block 520 includes a cylinder 521 and a protrusion 522 disposed around the cylinder 521. The seal 500 further includes a stop block 523 disposed at one end of the stop 510.

The bearing 170 is fixed to the first sidewall 120, and the extension block 520 passes through the bearing 170. The bearing 170 is further provided with a limiting groove 171, the limiting block 523 is matched with the limiting groove 171, and the limiting block 523 can move in the limiting groove 171.

As shown in fig. 9 to 12, a linkage mechanism 600 is disposed on the first sidewall 120, the linkage mechanism 600 includes a first connecting member 610, a second connecting member 620 and a third connecting member 630, the first connecting member 610 is hinged to the second connecting member 620, and the second connecting member 620 is hinged to the third connecting member 630. As shown in fig. 7 to 8, the first connector 610 is provided with a connecting portion away from the position hinged to the second connector 620, the connecting portion is provided with a through hole 611, and a groove 612 is provided around the through hole 611. The cylinder 521 of the sealing member 500 is inserted into the through hole 611, and the fastening member 700 fixes the cylinder 521 from the outside of the through hole 611. The projection 522 is fitted into the groove 612, the number of the projections 522 and the grooves 612 is plural, and the plural projections 522 and the plural grooves 612 have at least two shapes, so that the projections 522 and the grooves 612 are fitted in a determined manner in the circumferential direction.

The first sidewall 120 is provided with a first position-limiting pillar 121, a second position-limiting pillar 122 and a third position-limiting pillar 123. The third connecting member 630 is pivotally connected to the third position-limiting post 123. The first limiting column 121 is sleeved with a torsion spring 800, the first end of the torsion spring 800 abuts against the second limiting column 122, and the second end of the torsion spring 800 abuts against the third connecting piece 630. The third connecting member 630 has a contact portion 640 formed thereon, the contact portion 640 is located outside the powder outlet 111, and the contact portion 640 is exposed from the first end cap 200.

As shown in fig. 9 to 10, when the toner cartridge is not engaged with the developing unit, the torsion spring 800 acts on the third link 630, the torsion spring 800 provides the third link 630 with a supporting force toward the outside of the housing 110, and the linkage 600 maintains the sealing member at the first position so that the notch 511 is located away from the powder outlet 111 to close the powder outlet 111.

As shown in fig. 11 to 12, when the toner cartridge is mated with the developing unit, the contact portion 640 of the toner cartridge moves toward the inside of the housing 110 under the action of the protrusion on the developing unit, and the linkage 600 drives the sealing member 500 to rotate to the second position, so that the notch 511 is communicated with the powder outlet 111 to open the powder outlet 111.

As shown in fig. 9 to 10, when the toner cartridge is detached from the developing unit, the torsion spring 800 acts on the third connecting member 630 to push the contact portion 640 to the outside of the housing 110, and the linkage 600 drives the sealing member 500 to rotate to the first position, so that the notch 511 is away from the powder outlet 111 to close the powder outlet 111.

It is from top to bottom visible, the utility model discloses a cartridge simple structure is favorable to simplifying cartridge production equipment technology, reduces product cost, does not influence the performance of cartridge simultaneously. The carbon powder box has the advantages of reliable performance and stable machine falling.

Finally, it should be emphasized that the above-described embodiments are merely preferred embodiments of the present invention, and are not intended to limit the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A toner cartridge comprising:

the powder bin comprises a shell and a first side wall which are connected, and the shell comprises a powder outlet;

the sealing element is positioned inside the powder outlet and is rotatably mounted to the powder bin;

a linkage mechanism, a first end of the linkage mechanism being connected to the seal;

the method is characterized in that:

the second end of the linkage mechanism is pivoted on the first side wall;

the linkage mechanism comprises a contact part, and the contact part can move along the direction of pointing to the inner side of the shell from the outer side of the shell, so that the linkage mechanism drives the sealing piece to rotate from a first position for closing the powder outlet to a second position for opening the powder outlet.

2. The toner cartridge of claim 1, wherein:

the first side wall is close to the powder outlet, and the linkage mechanism is located on the outer side of the first side wall.

3. A toner cartridge according to claim 1 or 2, wherein:

the toner cartridge further comprises an elastic piece, wherein the first end of the elastic piece is abutted to the toner bin, and the second end of the elastic piece is abutted to the linkage mechanism.

4. The toner cartridge of claim 3, wherein:

a first limiting column and a second limiting column are arranged on the first side wall;

the elastic piece is a torsion spring, the main body sleeve of the torsion spring is arranged on the first limiting column, the first end of the torsion spring is abutted against the second limiting column, and the second end of the torsion spring is abutted against the linkage mechanism.

5. A toner cartridge according to claim 1 or 2, wherein:

the linkage mechanism comprises a first connecting piece, a second connecting piece and a third connecting piece, wherein the first connecting piece is hinged with the second connecting piece, and the second connecting piece is hinged with the third connecting piece;

the first connecting piece is provided with a connecting part at a position away from the second connecting piece, and the connecting part is fixedly connected with the sealing piece; the tail end of the third connecting piece is pivoted with a third limiting column on the side wall; the contact portion is provided on the third link.

6. The toner cartridge of claim 5, wherein:

the connecting part comprises a through hole and a groove arranged around the through hole;

the sealing piece comprises a stop block and an extension block arranged at one end of the stop block, the stop block is adjacent to the powder outlet, and the extension block comprises a cylinder and a convex block arranged around the cylinder;

the column body extends into the through hole, and the fastening piece fixes the column body from the outer side of the through hole; the projection is matched with the groove.

7. The toner cartridge of claim 6, wherein:

the stop block comprises a sealing sponge, and a notch is formed in the stop block; when the sealing element is at the first position, the notch leaves the powder outlet; when the sealing element is at the second position, the notch is communicated with the powder outlet.

8. A toner cartridge according to claim 1 or 2, wherein:

the seal is mounted on the first side wall through a bearing;

the sealing member includes the stopper, the bearing includes the spacing groove, the stopper with the spacing groove cooperation, just the stopper can be in the spacing inslot removes.

9. A toner cartridge according to claim 1 or 2, wherein:

the powder bin further comprises a second side wall connected with the shell, and the second side wall is opposite to the first side wall; the inner side of the shell is provided with a channel connected with the powder outlet, the channel is provided with a cylindrical closed section at the powder outlet, the sealing element comprises a cylindrical stop block, and the stop block is positioned in the closed section;

the carbon powder box also comprises a screw rod and a stirring mechanism which are rotatably arranged between the first side wall and the second side wall, and the screw rod extends into the closed section; the screw rod and the stirring mechanism are respectively connected with a driving mechanism arranged on the outer side of the second side wall.

10. The toner cartridge of claim 9, wherein:

the toner cartridge further comprises a first end cover and a second end cover, the first end cover is arranged on the first side wall and the outer side of the linkage mechanism, and the contact part is exposed from the first end cover; the second end cap is disposed outside of the second sidewall and the drive mechanism, a portion of the drive mechanism being exposed from the second end cap.