CN217386141U - Developing box - Google Patents

Abstract

The utility model provides a developing box, the developing box detachably installs to the electronic imaging equipment who has electric contact pilotage, the developing box is including the casing that can hold the powdered ink and the chip subassembly that is located its vertical end, the chip subassembly includes the chip and the connecting piece of being connected with the chip, the chip includes the chip contact and the storage part that combine each other, the connecting piece forms the contact with electric contact pilotage butt, the connecting piece still butts with the chip contact simultaneously, the contact is located the below of developing box, the storage part is not in the coplanar with the contact; the utility model relates to a developing box through with the chip setting in other positions, does not set up in developing box below, sets up the connecting piece with chip contact butt simultaneously for the chip contact not with the direct butt of electrical contact pilotage, but establish communication connection through connecting piece and electrical contact pilotage, can protect the chip contact difficult quilt to be damaged, and the life cycle of extension chip, convenience of customers uses, and it is extravagant to reduce.

Description

Developing box

Technical Field

The utility model relates to an electronic imaging field especially relates to a detachably installs the development box in electronic imaging equipment.

Background

A developing cartridge detachably mountable to an electrophotographic apparatus having an electrical contact pin (hereinafter referred to as "apparatus") includes a housing capable of storing toner and a developing roller rotatably mounted on the housing for supplying the toner to an outside.

The developer cartridge also includes a chip mounted therein, the chip having chip contacts for contacting electrical contact pins in the device to establish a communication connection with the device.

SUMMERY OF THE UTILITY MODEL

The chip of the existing developing box is positioned below the developing box and can be directly in communication connection with equipment, but when the chip is installed below the developing box, the chip contact is directly abutted to the electric contact pin, rigid collision is generated between the chip contact and the electric contact pin, the chip contact is likely to be damaged, the chip needs to be frequently replaced, the use is inconvenient for a user, and the use cost of the user is increased.

The utility model provides a developing box to solve the technical problem of the easy damage of chip contact, concrete scheme is:

the developing box detachably installs to the electronic imaging equipment who has electric contact needle, the developing box is including the casing that can hold the powdered ink and be located its vertical terminal chip subassembly, the chip subassembly includes the chip and the connecting piece of being connected with the chip, the chip includes the chip contact and the storage portion that combine each other, the connecting piece forms the contact with electric contact needle butt, the connecting piece still contacts the butt with the chip simultaneously, the contact is located the below of developing box, the storage portion is not in the coplanar with the contact.

The connecting piece includes first connecting piece and the second connecting piece of mutual independence, first connecting piece and second connecting piece include the diapire towards development box below and the butt portion that combines with the diapire, diapire and electrical contact butt, butt portion and chip contact butt, butt portion and diapire are not on the coplanar.

The developing box further comprises an end cover arranged on the same side as the chip assembly, the connecting piece is exposed from the lower end face of the end cover, and the chip contact is exposed from the non-lower end face of the end cover.

The end cover is provided with an installation part and a chip cover, and the chip is located between the installation part and the chip cover.

The installation department is provided with the window corresponding with the chip contact, butt portion passes through window and chip contact butt.

The installation department is provided with the arch, the chip is provided with dodges the mouth, dodge mouth and protruding cooperation.

And a rib plate is arranged at the tail end of the shell and is abutted to the connecting piece.

The shell further comprises a handle combined with the shell, and the handle is provided with salient points for increasing the friction force of fingers.

The shell further comprises a first shell, wherein the first shell is provided with an upper surface, and the upper surface is a flat surface.

As described above, the utility model relates to a developing box, through with the chip setting in other positions, do not set up in developing box below, set up simultaneously with the connecting piece of chip contact butt for the chip contact does not establish communication connection with electrical contact pilotage through the connecting piece, can protect the chip contact difficult quilt to be damaged, and the life cycle of extension chip, convenience of customers uses, reduces extravagantly.

Drawings

Fig. 1 to 3 are perspective views of a developing cartridge according to the present invention.

Fig. 4 is a partially exploded view of a driving end of a developing cartridge according to the present invention.

Fig. 5 and 6 are schematic views of a second end cap of the developing cartridge according to the present invention.

Fig. 7 is a schematic view of a second end cap and a chip of the developing cartridge according to the present invention.

Fig. 8 is a schematic view of a connection member and a chip of the developing cartridge according to the present invention.

Fig. 9 is a schematic view of a chip structure of the developing cartridge according to the present invention, when viewed from the rear to the front, with a part of the developing cartridge hidden.

Detailed Description

Fig. 1-3 are perspective views of the developing cartridge related to the present invention, fig. 4 is a partial exploded view of the driving end of the developing cartridge related to the present invention, fig. 5 and fig. 6 are schematic views of the second end cap of the developing cartridge related to the present invention, fig. 7 is a schematic view of the second end cap and the chip of the developing cartridge related to the present invention, fig. 8 is a schematic view of the connecting piece and the chip of the developing cartridge related to the present invention, fig. 9 is a schematic view of the chip structure when observing from the back to the front after the developing cartridge hides partial components related to the present invention.

For convenience of description, the longitudinal direction/the longitudinal direction of the developing cartridge 100 is defined as the left-right direction, the width direction/the lateral direction of the developing cartridge 100 is the front-rear direction, and the height direction of the developing cartridge 100 is the up-down direction, with respect to the state when the developing cartridge 100 is mounted; the developing cartridge 100 is mounted forward in the front-rear direction and is removed backward.

As shown in fig. 1 to 9, the developing cartridge 100 is detachably mounted to an electronic image forming apparatus (hereinafter, simply referred to as "apparatus") having electrical contact pins, the developing cartridge 100 includes a housing 1 accommodating toner and a developing roller 14 rotatably mounted to the housing 1, the developing roller 14 being rotatable about its rotational axis and serving to supply the toner to the outside, the developing roller 14 being located in front of the developing cartridge 100 in a front-rear direction. The casing 1 includes a first casing 11 and a second casing 12 combined with each other, a space formed by combining the first casing 11 and the second casing 12 may be used to contain toner, and the first casing 11 and the second casing 12 may be connected by thermal welding so that the developing cartridge 100 is sealed and toner may not leak out from between the first casing 11 and the second casing 12. The first housing 11 has an upper surface 111, and the upper surface 111 is a flat surface, so that the developing cartridge 100 has a simple structure, and the developing cartridge 100 is conveniently stored.

The developing cartridge 100 further includes a first end cap 3 and a second end cap 4 which are disposed opposite to each other at right and left direction/longitudinal ends, the side of the first end cap 3 being for receiving power from the apparatus, and the side of the second end cap 4 being for receiving driving force from the apparatus to drive the developing roller 14 to rotate, and thus the end receiving power may be referred to as a conductive end, and the end receiving driving force may be referred to as a driving end. The developing roller 14 is provided at its distal end with a developing roller gear 15, and the developing roller gear 15 is used to receive a driving force provided by the apparatus to drive the developing roller 14 to rotate while transmitting the driving force to other members of the developing cartridge 100. At least a part of the developing roller gear 15 is exposed from the second end cover 4 so as to receive the driving force.

The housing 1 is further provided with a handle 13, the handle 13 may be combined with the first housing 11 or the second housing 12, the handle 13 extends from the rear end face of the housing 1 to a direction away from the housing 1, a plurality of protruding points 131 are disposed on the upper surface and the lower surface of the handle 13 at intervals, which may be used to increase the friction force of fingers, and facilitate holding the developing cartridge 100, and the protruding points 131 may be circular/polygonal/other shapes. The handle 13 is further provided with a plurality of grooves 132, and the grooves 132 are designed ergonomically, so that fingers can be placed on the grooves, and the developing cartridge 100 can be held conveniently.

The developing cartridge 100 further includes a chip component 5 disposed at a longitudinal end of the driving end/housing 1, the chip component 5 including a chip 54, a connector 51 connected to the chip 54, because the chip 54 is electrically connected to establish a communication connection with the device, and disposing the chip component 5 at the driving end can reduce interference of current/voltage of the conductive end with the chip 54, making the communication connection of the chip 54 with the device more stable; the link 51 is installed under the developing cartridge 100, and in particular, the lower end surface of the second end cap 4 is provided with a through hole 57, and the link 51 is installed in the through hole 57 and is exposed downward from the through hole 57 to be opposite to and abutted against the electrical contact pins, and thus, it can be considered that the connection contact between the link 51 and the electrical contact pins is located under the developing cartridge 100.

The chip 54 comprises chip contacts 541 and a memory portion 542 which are coupled to each other, the chip contacts 541 are used for connecting with the connector 51 to establish a communication connection with the device, and the chip contacts 541 may be provided as one or more. The chip 54 and the connection contacts between the connector 51 and the electrical contact pins are not in the same plane, that is, the chip contact 541 and the connection contacts between the connector 51 and the electrical contact pins are not in the same plane, and the storage portion 542 and the connection contacts between the connector 51 and the electrical contact pins are not in the same plane, the chip 54 may be exposed from the non-lower end surface of the housing 1/the first end cap 3/the second end cap 4, for example, from the rear end portion of the front end portion/the rear end surface of the right end portion/the front end surface of the left end portion/the left end surface of the upper end portion/the upper end surface, so that the chip contact 541 is prevented from being directly abutted against the electrical contact pins to damage the chip contact 541.

In this embodiment, the chip 54 is disposed at the right end of the second end cap 4, the right end of the second end cap 4 is provided with a mounting portion 55 and a chip cover 56 engaged with the mounting portion 55, the chip cover 56 can be fastened to the second end cap 4, the mounting portion 55 is recessed inward from the right end of the second end cap 4 toward the direction close to the housing 1, the chip 54 is disposed between the mounting portion 55 and the chip cover 56, and the chip cover 56 can be used to protect the chip 54; the mounting portion 55 is provided with a number of windows 551 corresponding to the number of chip contacts 541, and the chip contacts 541 can be brought into contact with the connectors 51 through the windows 551.

In order to install the chip 54 correctly, the installation portion 55 has still carried out the fool-proof design, on the one hand, extend arch 552 from one side that the installation portion 55 deviates from the casing 1 towards the direction of keeping away from the casing 1, on the other hand, the position that chip 54 and arch 552 correspond has set up dodges mouthful 543, when chip 54 installs, dodge mouthful 543 and protruding 552 cooperation, can avoid the installation mistake, even do not know the correct direction of chip 54, also can accurately install through the fool-proof design, can also improve the installation effectiveness.

The connecting member 51 includes a first connecting member 52 and a second connecting member 53 independent from each other, the connecting member 51 is made of conductive material, such as steel sheet, the first connecting member 52 abuts against the upper half portion of the chip 54, the second connecting member 53 abuts against the lower half portion of the chip 54, the number of the first connecting members 52 corresponds to the number of the chip contacts 541 on the upper half portion of the chip 54, and the number of the second connecting members 53 corresponds to the number of the chip contacts 541 on the lower half portion of the chip 54.

The first connecting member 52 is integrally formed, and includes a downward bottom wall 527, a first abutting portion 524 coupled to the bottom wall 527, and a first front side wall 525 and a first rear side wall 526 which are provided to face each other in the front-rear direction, the bottom wall 527 being connected to the first abutting portion 524 through a first right side plate 521 extending from the bottom wall 527, a first extending portion 522 extending from the first right side plate 521, and a second extending portion 523 extending from the first extending portion 522, the bottom wall 527 being configured to abut against the electrical contact pins, the first abutting portion 524 being configured to abut against the chip contacts 541 on the upper half of the chip 54, that is, the bottom wall 527 and the first abutting portion 524 are not on the same plane.

The second connection portion 53 is integrally formed, the second connection portion 53 is reduced in a number of first and second extension portions 522 and 523 compared to the first connection portion 52, and includes a bottom wall 534, a second abutting portion 532 coupled to the bottom wall 534, and a second front sidewall (not shown) and a second rear sidewall (not shown) disposed opposite to each other in the front-rear direction, the bottom wall 534 is connected to the second abutting portion 532 via a second right side plate 531 extending from the bottom wall 534, the bottom wall 534 is configured to abut against the electrical contact pins, the second abutting portion 532 is configured to abut against the chip contact 541 at the lower half of the chip 54, that is, the bottom wall 534 and the second abutting portion 532 are not in the same plane.

The tail end of the shell 1 is further provided with a rib plate 16, the rib plate 16 abuts against the extension part of the first connecting piece 52, specifically, the rib plate 16 abuts against the second extension part 523 and can be used for supporting the first connecting piece 52, so that the first connecting piece 52 is prevented from being deformed due to the overlong extension part or the first connecting piece 52 is prevented from being deformed due to external compression, meanwhile, the stability of connection between the first connecting piece 52 and the chip 54 can be enhanced, and the communication connection is prevented from being interrupted.

The utility model discloses a with the chip setting in other positions, not set up in developing box below, set up simultaneously with the connecting piece of chip contact butt for the chip contact not with the direct butt of electrical contact pilotage, but establish communication connection through connecting piece and electrical contact pilotage, can protect the chip contact difficult quilt to be damaged, and the life cycle of extension chip, convenience of customers uses, and it is extravagant to reduce.

Claims (9)

1. The developing box detachably installs to the electronic imaging equipment who has electric contact needle, the developing box is including the casing that can hold the powdered ink and be located its vertical terminal chip subassembly, the chip subassembly includes the chip and the connecting piece of being connected with the chip, the chip includes the chip contact and the storage portion that combine each other, the connecting piece forms the contact with electric contact needle butt, the connecting piece still contacts the butt with the chip simultaneously, characterized by, the contact is located the below of developing box, the storage portion is not in the coplanar with the contact.

2. A developing cartridge according to claim 1, wherein the coupling member includes a first coupling member and a second coupling member which are independent of each other, the first coupling member and the second coupling member including a bottom wall facing a lower side of the developing cartridge and an abutting portion which is combined with the bottom wall, the bottom wall abutting against the electrical contact pin, the abutting portion abutting against the chip contact, the abutting portion being not in the same plane as the bottom wall.

3. The developing cartridge as claimed in claim 2, further comprising an end cap disposed on the same side as the chip module, wherein the connecting member is exposed from a lower end surface of the end cap, and the chip contact is exposed from a non-lower end surface of the end cap.

4. A developing cartridge according to claim 3, wherein said end cap is provided with a mounting portion and a chip cover, and said chip is located between the mounting portion and the chip cover.

5. A developing cartridge according to claim 4, wherein said mounting portion is provided with a window corresponding to the chip contact, and said abutting portion abuts with the chip contact through the window.

6. A developing cartridge according to claim 4, wherein said mounting portion is provided with a projection, and said chip is provided with an escape opening, said escape opening cooperating with the projection.

7. A developing cartridge according to any one of claims 1 to 6, wherein a rib is provided at a distal end of said casing, and said rib abuts against the connecting member.

8. A developing cartridge according to claim 7, wherein said casing further includes a handle coupled thereto, said handle being provided with a convex point for increasing friction of a finger.

9. A cartridge according to claim 7, wherein said casing further comprises a first casing having an upper surface which is a flat surface.

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