CN215494553U

CN215494553U - Developing box with chip protection mechanism

Info

Publication number: CN215494553U
Application number: CN202121981764.5U
Authority: CN
Inventors: 胡诚; 黄宗仟
Original assignee: Zhuhai Chaojun Technology Co ltd
Current assignee: Zhuhai Chaojun Technology Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-01-11
Anticipated expiration: 2031-08-20

Abstract

The utility model provides a take developing cartridge of chip protection mechanism, includes frame, chip protection mechanism and installs developing roller and chip on the frame, detected the piece install in long limit one end of frame, chip protection mechanism includes first contact site and second contact site, first contact site is installed just be located on the frame surface can contact with imaging device's detection contact, the second contact site is installed in the frame and with the chip contact of chip, the second contact site with the developing roller can with the distance on the long limit vertical direction of frame is greater than first contact site and developing roller distance on this direction, pass through the electricity between first contact site and the second contact site and be connected. By installing the chip protection mechanism on the developing box, the chip can be installed inside the frame, the chip is far away from the developing roller, the chip contact is effectively protected from being damaged and stained, and the reliability and the durability of the developing box are improved.

Description

Developing box with chip protection mechanism

Technical Field

The utility model relates to the field of imaging equipment, in particular to a developing box with a chip protection mechanism.

Background

Laser printing is a printing technique that has been developed in the 60's of the 20 th century, where digitized images or documents are "projected" quickly onto a photosensitive surface (developer roller) by a laser beam, where an electron discharge occurs, where the laser beam hits, and where the developer roller attracts, like a magnet, fine toner due to electrostatic action, which is transferred from the developer roller to the paper as it passes over the paper. The paper with the absorbed toner is then passed through a hot roller to fix the toner to the paper, thereby rendering the print on the paper surface. Since the core of the printing technology is the laser imaging technology, the printing technology is called as the laser printing technology.

In laser printing, a developing box provided with a developing roller is a core part of a laser printer, and more than 70% of imaging parts are integrated in the developing box, which is directly related to whether the printer can work normally and the printing quality is good or not. At present, because the printer type on the market is various, and the kind is numerous and diverse, and ordinary consumer often is difficult to the comparatively similar printer of some appearances of accurate differentiation, appears having selected improper developing box easily when selecting the developing box of buying as the consumptive material, and the printer can not with the compatible phenomenon condition such as work of developing box. A developing cartridge with a chip is now on the market, and a printer can recognize whether the developing cartridge is compatible with the printer by mounting the chip in the developing cartridge. However, in the conventional developing cartridge with a chip, the chip is usually directly mounted at a position close to the surface of the developing cartridge, and the pin contact on the chip is contacted with the detection contact in the printer. The chip mounting mode has a simple structure, the manufacturing cost of the developing box is low, but the defects are obvious, for example, the chip contact is directly exposed on the surface of the developing box, the contact is easily polluted and scratched in the transportation process, the scattered toner is easily adhered to the surface of the contact in the use process, and the chip is easily damaged due to short circuit.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a developing box with a chip protection mechanism, which can effectively protect a chip and a contact thereof. The method is realized by the following technical scheme:

the utility model provides a take developing cartridge of chip protection mechanism, includes frame, developer roll, is detected piece and chip, the developer roll, be detected piece and chip and install on the frame, just it is located to be detected the long limit one end of frame, its characterized in that: the chip protection mechanism comprises a first contact part and a second contact part, wherein the first contact part is installed on the frame and positioned on the surface of the frame and can be contacted with a detection contact of an imaging device, and the second contact part is installed in the frame and can be contacted with a chip contact of the chip; the distance between the second contact part and the developing roller in the direction perpendicular to the long side of the frame is larger than the distance between the first contact part and the developing roller in the direction; the first contact part and the second contact part are electrically connected.

According to the technical scheme, the chip protection mechanism is mounted on the developing box, so that the chip can be mounted inside the frame and is connected to the surface of the frame through the chip protection mechanism, the chip is in contact with the detection contact of the printer and is far away from the developing roller, the chip contact is effectively protected from being damaged and stained, and the reliability and the durability of the developing box are improved.

As a further improvement of the present invention, the chip protection mechanism further includes a support frame, and the first contact portion and the second contact portion are mounted on the support frame and located at two ends of the support frame.

As a further improvement of the present invention, the chip protection mechanism further includes a support frame, and the first contact portion and the second contact portion are respectively and correspondingly mounted on the two support frames.

As a further improvement of the present invention, the first contact portion and the second contact portion are provided at both ends of one metal sheet, or the first contact portion and the second contact portion are connected by a wire.

As a further improvement of the utility model, the frame comprises a main frame and end covers, wherein the number of the end covers is one or two, and the end covers are arranged at one end or two ends of the long edge of the main frame.

As a further improvement of the utility model, a protection mechanism mounting position is arranged on the end cover, and the protection mechanism mounting position is arranged on one end face and/or side face of the end cover.

As a further improvement of the present invention, the protection mechanism mounting site includes a chip mounting hole and one or more of a first contact mounting hole and a second contact mounting hole, and openings of the first contact mounting hole, the second contact mounting hole and the chip mounting hole are provided on one end face of the end cap.

As a further improvement of the present invention, the end cap is further provided with a wire guide groove, two ends of the wire guide groove are communicated with the first contact mounting hole and the second contact mounting hole, and an opening of the wire guide groove is arranged on the same end face as the openings of the first contact mounting hole and the second contact mounting hole.

As a further improvement of the present invention, the detecting device further includes a driving force receiving member mounted on one end of the long side of the frame away from the detected member.

As a further improvement of the present invention, a stirring unit is further included, the stirring unit being mounted on the frame and located between the chip and the developing roller in the up-down direction.

Drawings

Fig. 1 is a front view of a developing cartridge according to a first embodiment of the present invention.

Fig. 2 is a partially enlarged view of the portion I in fig. 1.

Fig. 3 is a left side view of the developing cartridge according to the first embodiment of the present invention.

Fig. 4 is a front view of the developing cartridge provided by the present invention without including the end cap.

Fig. 5 is a left side view of a developing cartridge according to an embodiment of the present invention, which does not include the end cap.

Fig. 6 is a front view of a developing cartridge provided in the second embodiment of the present invention.

Fig. 7 is a partially enlarged view of a portion II in fig. 6.

Fig. 8 is a left side view of the developing cartridge provided in the second embodiment of the present invention.

Fig. 9 is a partially enlarged view of a portion III in fig. 8.

Fig. 10 is a partial enlarged view of the portion IV in fig. 8.

Detailed Description

The following description of the embodiments of the present invention will be further described with reference to the accompanying drawings, and for convenience of explanation, the descriptions of the upper, lower, left, right, front, rear, etc. orientations in this application are defined according to the orientations shown in the drawings, and are intended to clearly describe the relative positional relationships of the structures, and are not intended to limit the actual orientations of the products during the manufacturing, using, selling, etc. The following further describes embodiments of the present invention with reference to the accompanying drawings:

example one

Referring to fig. 1 to 5, the present embodiment provides a developing cartridge with a chip protection mechanism, which includes a frame, a driving force receiving member 21, an agitating unit 22, a detected member 23, a developing roller 24, a chip 31 and a chip protection mechanism. The frame comprises a main frame 11 and two end covers, wherein the end covers are a first end cover 12 and a second end cover 13 respectively, and are respectively installed at two ends of a long edge of the main frame 11 (as other realizable technical schemes, only one end cover can be included as well, the first end cover and the second end cover take a surface perpendicular to the long edge of the main frame as an end surface, and a surface parallel to the long edge of the main frame as a side surface). Still be provided with protection mechanism installation position on first end cover 12, protection mechanism installation position includes that the opening sets up the chip mounting hole, the second contact site mounting hole and the opening of end cover side and sets up the fixed screw hole of protection mechanism at the end cover terminal surface (as other realizable technical scheme, protection mechanism installation position can include the part or whole of chip mounting hole, second contact site mounting hole and the fixed screw hole of protection mechanism).

The developing roller 24 is installed on the main frame 11, the driving force receiving member 21 is installed at one end of the long side of the main frame 11, the detection member 23 is installed on the main frame 11 and located at the other end of the long side of the main frame 11 for detecting the number of printed pages of the developing cartridge and the remaining amount of the developer. The stirring unit 22 is installed in the main frame 11, penetrates the developing cartridge along the long side direction of the main frame 11, and stirs the developer in the developing cartridge, and the stirring unit 22 is located between the developing roller 24 and the chip 31 in the up-down direction (the up-down direction shown in fig. 3).

The chip 31 is mounted in a chip mounting hole provided in the first end cap 12. The chip protection mechanism comprises a conductive sheet and a support frame 42, the conductive sheet is a strip copper sheet, a first contact part 411 and a second contact part 412 are formed at two ends of the conductive sheet, the conductive sheet is installed on the support frame 42, and the first contact part 411 and the second contact part 412 are respectively located at two ends of a long edge of the support frame 42. When the chip protection mechanism is mounted on the first end cap 12, the second contact portion 412 and the corresponding support bracket 42 are mounted in the second contact portion mounting hole, and the second contact portion 412 contacts with the chip contact of the chip 31. When the second contact portion 412 is mounted in place, the first contact portion 411 and the corresponding supporting frame 42 are located on the surface of the developing cartridge, and in use, the supporting frame contacts with the detection contact of the image forming apparatus, and the chip protection mechanism is fixed on the first end cap 12 by a screw 43 passing through the supporting frame 42 and entering the fixing screw hole of the protection mechanism. After the chip protection mechanism is mounted, the distance between the first contact portion 411 and the developing roller 24 in the direction perpendicular to the long side of the main frame 11 is smaller than the distance between the second contact portion and the developing roller 24 in this direction.

Through setting up the chip protection mechanism, install chip 31 in being located in the chip mounting hole on first end cover 12 for chip 31 does not directly expose on the developing cartridge surface, but passes through the chip protection mechanism is connected to the developing cartridge surface, has both satisfied the compatibility of printer and has detected the function, can with printer cooperation work, has reduced the chip by the striking, the chip contact is scratched the probability that decreases, stained, has improved developing cartridge's reliability and durability.

Example two

Referring to fig. 6 to 10, the present embodiment provides a developing cartridge with a chip protection mechanism, different from the first embodiment, the protection mechanism mounting location includes a first contact mounting hole 121, a second contact mounting hole 122, a chip mounting hole 123 and a wire guide 124, the wire guide 124 communicates the first contact mounting hole 121 and the second contact mounting hole 122, the first contact mounting hole 121 is further provided with a contact window 1211 on a side surface of the first end cap 12, the contact window 1211 communicates with the first contact mounting hole 121, and when the first end cap 12 is mounted on the main frame 11, openings of the first contact mounting hole 121, the second contact mounting hole 122, the chip mounting hole 123 and the wire guide 124 face a surface away from the main frame 11.

The chip 31 enters from the end face of the first end cap 12 and is mounted in a chip mounting hole 123 provided in the first end cap 12. The first contact portion 411 and the second contact portion 412 are respectively mounted on two support frames, namely a first support frame 421 and a second support frame 422, the first contact portion 411 and the first support frame 421 enter from the end face of the first end cover 12, are mounted in the first contact portion mounting hole 121, and when mounted in place, the first contact portion 411 is located within the range of the contact window 1211 and contacts with the detection contact of the imaging device in use. The second contact portion 412 and the second support 422 enter from the end face of the first end cap 12, are mounted in the second contact portion mounting hole 122, and when mounted in place, the second contact portion 412 contacts the chip contact of the chip 31. The first contact 411 and the second contact 412 are connected by a wire 44, and the wire 44 is installed in the wire groove 124.

The above embodiments are merely for full disclosure and not for limitation, and any replacement of equivalent technical features, which can be obtained without inventive work based on the gist of the present invention, should be construed as the scope of the present disclosure.

Claims

1. The utility model provides a take developing cartridge of chip protection mechanism, includes frame, developer roll, is detected piece and chip, the developer roll, be detected piece and chip and install on the frame, just it is located to be detected the long limit one end of frame, its characterized in that: the chip protection mechanism comprises a first contact part and a second contact part, wherein the first contact part is installed on the frame and positioned on the surface of the frame and can be contacted with a detection contact of an imaging device, and the second contact part is installed in the frame and can be contacted with a chip contact of the chip; the distance between the second contact part and the developing roller in the direction perpendicular to the long side of the frame is larger than the distance between the first contact part and the developing roller in the direction; the first contact part and the second contact part are electrically connected.

2. A developing cartridge according to claim 1, wherein: the chip protection mechanism further comprises a support frame, and the first contact part and the second contact part are installed on the support frame and located at two ends of the support frame.

3. A developing cartridge according to claim 1, wherein: the chip protection mechanism further comprises support frames, and the first contact part and the second contact part are correspondingly arranged on the two support frames respectively.

4. A developing cartridge according to claim 1, wherein: the first contact part and the second contact part are arranged at two ends of one metal sheet, or the first contact part and the second contact part are connected through a lead.

5. A developing cartridge according to claim 1, wherein: the frame comprises a main frame and end covers, wherein one or two end covers are arranged at one end or two ends of a long edge of the main frame.

6. A developing cartridge according to claim 5, wherein: the end cover is provided with a protection mechanism mounting position, and the protection mechanism mounting position is arranged on one end face and/or the side face of the end cover.

7. A developing cartridge according to claim 6, wherein: the protection mechanism mounting position comprises one or more of a chip mounting hole, a first contact part mounting hole and a second contact part mounting hole, and the openings of the first contact part mounting hole, the second contact part mounting hole and the chip mounting hole are formed in one end face of the end cover.

8. A developing cartridge according to claim 7, wherein: the end cover is also provided with a wire guide groove, two ends of the wire guide groove are communicated with the first contact part mounting hole and the second contact part mounting hole, and an opening of the wire guide groove, the first contact part mounting hole and an opening of the second contact part mounting hole are arranged on the same end face.

9. A developing cartridge according to any one of claims 1-8, wherein: the driving force receiving part is arranged at one end, far away from the long edge of the detected part, of the frame.

10. A developing cartridge according to any one of claims 1-8, wherein: further comprising an agitating unit installed in the frame and located between the chip and the developing roller in an up-down direction.