CN214151387U - Developing device and toner cartridge - Google Patents
Developing device and toner cartridge Download PDFInfo
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- CN214151387U CN214151387U CN202120392418.7U CN202120392418U CN214151387U CN 214151387 U CN214151387 U CN 214151387U CN 202120392418 U CN202120392418 U CN 202120392418U CN 214151387 U CN214151387 U CN 214151387U
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- folded plate
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Abstract
The utility model provides a developing device and selenium drum, developing device includes framework and two felts, the framework has the carbon dust chamber that holds the carbon dust and the opening that is linked together with the carbon dust chamber, two felts are respectively through two-sided sticky subsides on open-ended both ends terminal surface, two injecting glue holes have been seted up to the first frame wall of connecting the opening both ends, each injecting glue hole runs through first frame wall setting, and each injecting glue downthehole packing has sealed glue, each felt is the setting of cuboid, and the first end of a felt covers on a port in an injecting glue hole. Through sealed glue of filling in each injecting glue hole for the first end fastening of felt is pasted on the terminal surface, the utility model discloses developing device's sealed effectual, thoroughly solve present problem because of the tip perk of felt leads to the carbon dust to reveal, improves the product greatly and prints the quality. Furthermore, the utility model discloses developing device's simple structure, the production and processing is easy, and low in production cost is favorable to the mass production of product.
Description
Technical Field
The utility model belongs to the technical field of the electrophotographic imaging technique and specifically relates to a developing device and selenium drum that has this developing device that electrophotographic imaging equipment used are related to.
Background
An electrophotographic image forming apparatus generally has therein an image processing apparatus and a developing apparatus, and develops an electrostatic latent image formed on a photosensitive member of the image processing apparatus with a developer such as toner supplied from the developing apparatus to form a visible image on a medium such as paper. Different electrophotographic image forming apparatus manufacturers integrate different components for their own design purposes and technical ideas, and some have a photosensitive element and a developing device integrated with a toner accommodating portion and detachably mounted in an electrophotographic image forming apparatus, called a process cartridge; there is a developing device, called a developing cartridge, which is merely integrated with a toner containing portion and detachably mounted in an electrophotographic image forming apparatus. The developing cartridge or the processing cartridge is provided with a developing device which contains certain carbon powder and develops an electrostatic latent image on a photosensitive element, and the printing consumables are generally called the developing cartridge and the processing cartridge as selenium drums in the industry.
The existing developing device generally includes a frame body having an opening, a certain amount of toner is contained in the frame body, a developing roller is rotatably disposed at the opening, the toner contained in the frame body is supplied to the developing roller through the opening, and sealing felts are provided at both ends of the opening for sealing the ends of the developing roller. However, the end of the felt is tilted, so that a gap exists between the end of the felt and the end face of the opening, and carbon powder leaks from the gap in the printing process, thereby affecting the printing quality and polluting imaging equipment, and simultaneously causing waste of the carbon powder.
In addition, the conventional developing device generally includes a powder discharge blade fixed to the frame by screws, and a blade of the powder discharge blade is in contact with the developing roller under a certain pressure to adjust the thickness of the carbon powder layer supplied to the developing roller. However, when the powder discharging knife is assembled, the existing screw driving mode is manually completed, the production efficiency is low, and the production cost is high. Moreover, the manual screwing has errors, and the production precision of the product is seriously influenced.
Disclosure of Invention
In order to realize the utility model discloses a first purpose, the utility model provides a sealed effectual, simple structure, production and processing are easy and with low costs developing device to can avoid the carbon dust to ooze effectively, improve the product greatly and print the quality, and be favorable to the mass production of product.
In order to realize the second objective of the present invention, the present invention provides a toner cartridge having the above developing device.
In order to realize the utility model discloses a first purpose, the utility model provides a developing device, including framework and two felts, the framework has the carbon dust chamber that holds the carbon dust and the opening that is linked together with the carbon dust chamber, and two felts are respectively through double-sided sticky subsides on open-ended both ends terminal surface, and two injecting glue holes have been seted up to the first frame wall at connection opening both ends, and each injecting glue hole runs through first frame wall setting, and each injecting glue downthehole packing has sealed glue, and each felt is the cuboid setting, and the first end of a felt covers on a port in an injecting glue hole.
It is visible by above-mentioned scheme, the utility model discloses two injecting glue holes have been seted up to the first frame wall of developing device's framework, and each injecting glue hole runs through first frame wall setting, and the first end of a felt covers on a port of an injecting glue hole, through sealed glue of filling in each injecting glue hole for the first end fastening of felt is pasted on the terminal surface, and is sealed effectual, has thoroughly solved the current problem that leads to the carbon dust to spill from the gap between felt tip and the opening terminal surface because of the tip perk of felt, improves the printing quality of product greatly. Furthermore, the utility model discloses developing device's simple structure, the production and processing is easy, and low in production cost is favorable to the mass production of product.
The developing device further comprises a powder discharging knife, the powder discharging knife comprises a knife rest and a blade, the cross section of the knife rest is L-shaped, the knife rest comprises a first folded plate and a second folded plate, the first folded plate is positioned on the end face of a second frame wall of the frame body, two ends of the first folded plate are respectively abutted against and pressed on second ends of the two felts, the second frame wall is arranged opposite to the first frame wall, the blade is arranged on the first folded plate and extends into the opening, two locking holes are arranged on the end face of the second frame wall, the first folded plate is provided with two mounting holes which respectively correspond to the two locking holes one by one, a fastener passes through one mounting hole and is fixedly connected with one locking hole, the second folded plate is attached to the outer wall of the second frame wall adjacent to the opening, a clamping groove is arranged at the first end of the second folded plate, a first limiting groove and a positioning bulge are arranged on the outer wall of the second frame wall, the first limiting groove and the positioning bulge are respectively close to the two locking holes, and the end of the positioning bulge far away from the second frame wall is inserted into the clamping groove, and the second end of the second folded plate is inserted into the first limiting groove.
The developing device further comprises a sealing sponge which is arranged in a cuboid, the end face of the second frame wall is provided with a groove, the groove extends between the two locking holes, the sealing sponge is located in the groove, the bottom face of the sealing sponge is adhered to the inner concave face of the groove through double-faced adhesive, and the first folding plate is abutted to the top face of the sealing sponge.
The further scheme is that two glue injection grooves are formed in the inner concave surface of the groove, the two glue injection grooves are respectively close to the two locking holes one by one, and each glue injection groove is filled with sealant.
Further, each mounting hole is a kidney-shaped hole, and the mounting hole extends from the second frame wall to the first frame wall.
The further scheme is that one end of the first folding plate, which is close to the clamping groove, protrudes outwards to form a grabbing part.
The further scheme is that a second limiting groove is further formed in the outer wall of the second frame wall, the second limiting groove is close to the positioning protrusion, and the first end of the second folded plate is inserted into the second limiting groove.
The further proposal is that the bottom surface of the felt covering one port of the glue injection hole is an inclined surface.
The felt comprises a straight extension section, an arc section and a standing section which are connected in sequence, and the inclined surface is positioned on the standing section.
In order to realize the second objective of the present invention, the present invention provides a toner cartridge, which comprises a developing device, wherein the developing device is the above developing device.
Drawings
Fig. 1 is a first view angle structure diagram of the developing device of the present invention.
Fig. 2 is a second view angle structure diagram of the developing device of the present invention.
Fig. 3 is an exploded view of the developing device of the present invention.
FIG. 4 is a structural diagram of a doctor blade in an embodiment of the developing device of the present invention.
FIG. 5 is a view showing a structure of a felt in an embodiment of the developing device of the present invention.
Fig. 6 is a first view angle structural view of a frame body in an embodiment of the developing device of the present invention.
Fig. 7 is a second view angle structural view of a frame body in an embodiment of the developing device of the present invention.
Fig. 8 is an enlarged view of fig. 6 at a.
Fig. 9 is an enlarged view of fig. 6 at B.
Fig. 10 is an enlarged view of fig. 7 at C.
Fig. 11 is an enlarged view of fig. 7 at D.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
Developing device embodiment:
referring to fig. 1 to 11, the developing device 1 includes a frame 2, two felts 3, a powder discharging blade 4 and a sealing sponge 5, wherein the frame 2 has a toner chamber for accommodating toner and an opening 23 communicated with the toner chamber. Two felt 3 paste on the both ends terminal surface of opening 23 through double faced adhesive respectively, and two glue injection holes 211 have been seted up to the first frame wall 21 of connecting opening 23 both ends, and each glue injection hole 211 runs through first frame wall 21 and sets up, and each glue injection hole 211 intussuseption is filled with sealed glue (not marking). Each felt 3 is rectangular, and the first end of one felt 3 covers one end of one glue injection hole 211.
Two glue injection holes 211 have been seted up to the first frame wall 21 of frame 2 of this embodiment developing device 1, each glue injection hole 211 runs through first frame wall 21 and sets up, the first end of a felt 3 covers on a port of a glue injection hole 211, through filling sealant in each glue injection hole 211, make the first end fastening of felt 3 paste on the terminal surface, it is sealed effectual, thoroughly solved the current problem that causes the gap of carbon dust between felt tip and the opening 23 terminal surface to spill because of the tip perk of felt, improve the printing quality of product greatly. Moreover, the developing device 1 of the embodiment has the advantages of simple structure, easy production and processing, low production cost and contribution to mass production of products.
The powder discharging knife 4 comprises a knife rest 42 with an L-shaped cross section and a blade 41, the knife rest 42 comprises a first folding plate 421 and a second folding plate 422, the first folding plate 421 is positioned on the end surface of the second frame wall 22 of the frame body 2, the two ends of the first folding plate 421 are respectively pressed on the second ends of the two felts 3, the second frame wall 22 is arranged opposite to the first frame wall 21, and the blade 41 is arranged on the first folding plate 421 and extends into the opening 23. The end surface of the second frame wall 22 is provided with two locking holes 224, the first flap 421 is provided with two mounting holes 4211 corresponding to the two locking holes 224, and a fastener (not shown) passes through one of the mounting holes 4211 and is fastened to one of the locking holes 224. The second folding plate 422 is attached to the outer wall of the second frame wall 22 adjacent to the opening 23, the first end of the second folding plate 422 is provided with a locking groove 4221, the outer wall of the second frame wall 22 is provided with a first limiting groove 221 and a positioning protrusion 222, the first limiting groove 221 and the positioning protrusion 222 are respectively close to the two locking holes 224, one end of the positioning protrusion 222 far away from the second frame wall 22 is inserted into the locking groove 4221, and the second end of the second folding plate 422 is inserted into the first limiting groove 221.
In the assembly process of the powder discharging knife 4 of this embodiment, the automation device first places the first folded plate 421 of the knife holder 42 of the powder discharging knife 4 on the end surface of the second frame wall 22 of the frame body 2, the second folded plate 422 of the knife holder 42 is attached to the outer wall of the second frame wall 22 adjacent to the opening 23, at this time, one end of the positioning protrusion 222 on the outer wall of the second frame wall 22, which is far away from the second frame wall 22, is inserted into the engaging groove 4221 on the second folded plate 422 of the knife holder 42, and the second end of the second folded plate 422 is inserted into the first limiting groove 221, so as to limit the knife holder 42, and one mounting hole 4211 corresponds to one locking hole 224. The automated device then directs a fastener through one of the mounting apertures 4211 and into secure engagement with one of the locking apertures 224 to secure the cartridge 42 to the end surface of the second frame wall 22. The fastening member includes, but is not limited to, a screw, a bolt, and other fastening parts. The outer wall of the second frame wall 22 of the embodiment is provided with the first limiting groove 221 and the positioning protrusion 222, so that the knife rest 42 is limited, the automatic installation of the powder discharging knife 4 is facilitated, the production efficiency is greatly improved, the production cost is reduced, and the production precision is improved.
Specifically, sealed sponge 5 is the setting of cuboid, and recess 225 has been seted up to the terminal surface of second frame wall 22, and recess 225 extends between two locking holes 224, and sealed sponge 5 is located recess 225, and the bottom surface of sealed sponge 5 passes through double faced adhesive tape and pastes on the interior concave surface of recess 225, and first folded plate 421 supports presses on the top surface of sealed sponge 5. The sealing sponge 5 has elasticity and is filled between the end face of the second frame wall 22 and the first folding plate 421 of the cutter rest 42, thereby preventing carbon powder from leaking from a gap between the first folding plate 421 of the cutter rest 42 and the end face of the second frame wall 22, having good sealing effect and improving the printing quality of products.
In order to avoid the tilting phenomenon at the two ends of the sealing sponge 5, two glue injection grooves 226 are formed in the inner concave surface of the groove 225, the two glue injection grooves 226 are respectively close to the two locking holes 224 one by one, and each glue injection groove 226 is filled with sealant (not marked), so that the two ends of the sealing sponge 5 are fastened and adhered to the inner concave surface of the groove 225, the sealing effect is good, and the printing quality of a product is further improved.
To further facilitate automated mounting of the doctor blade 4, each mounting hole 4211 is a kidney-shaped hole, and the mounting hole 4211 extends from the second frame wall 22 toward the first frame wall 21. In order to facilitate the grabbing of the powder discharging knife 4, one end of the first flap 421 close to the engaging groove 4221 is provided with a grabbing portion 4212 protruding outwards. In addition, in order to further limit the position of the knife holder 42, a second limiting groove 223 is further formed on the outer wall of the second frame wall 22, the second limiting groove 223 is disposed adjacent to the positioning protrusion 222, and the first end of the second folded plate 422 is inserted into the second limiting groove 223.
The bottom surface of the felt 3 covered on one end opening of the glue injection hole 211 is an inclined surface 331, specifically, the felt 3 of the present embodiment includes a straight extension section 31, an arc section 32 and a standing section 33 which are connected in sequence, the inclined surface 331 is located on the standing section 33 of the felt 3, and the first folding plate 421 of the knife rest 42 is pressed against the straight extension section 31 of the felt 3. The straight extension section 31, the arc section 32 and the erection section 33 of the felt 3 are respectively attached to the end surface shape of the opening 23, meanwhile, the straight extension section 31 of the felt 3 is pressed by the first folded plate 421 of the knife rest 42 to be fastened and adhered to the end surface of the opening 23, the inclined surface 331 of the erection section 33 of the felt 3 is fastened and adhered to the end surface by the sealant in the glue injection hole 211, the problem that two ends of the existing felt are tilted during installation is solved, the sealing effect is better, carbon powder leakage can be effectively prevented, and the printing quality of a product is greatly improved.
Selenium drum example:
the toner cartridge of the embodiment comprises the developing device 1 of the embodiment, the toner sealing effect is good, the problem that the toner leaks from the gap between the end part of the felt and the end surface of the opening 23 due to the fact that the end part of the felt is tilted at present is thoroughly solved, and the printing quality of a product is greatly improved. Moreover, the selenium drum of the embodiment has the advantages of simple structure, easiness in production and processing, low production cost and contribution to mass production of products.
Above embodiment is the preferred example of the utility model, and not the restriction the utility model discloses the range of implementing, the event all according to the utility model discloses the equivalent change or the decoration that structure, characteristic and principle were done of application for patent scope all should be included in the utility model discloses the patent application scope.
Claims (10)
1. Developing device, including framework and two felts, the framework have hold the carbon powder chamber of carbon powder and with the opening that the carbon powder chamber is linked together, its characterized in that:
the two felts are respectively adhered to the end faces of the two ends of the opening through double-sided adhesive, two glue injection holes are formed in a first frame wall connected with the two ends of the opening, each glue injection hole penetrates through the first frame wall, and sealant is filled in each glue injection hole;
each felt is arranged in a cuboid shape, and the first end of one felt covers one port of one glue injection hole.
2. The developing device according to claim 1, characterized in that:
the developing device further comprises a powder discharging knife, the powder discharging knife comprises a knife rest and a blade, the cross section of the knife rest is L-shaped, the knife rest comprises a first folded plate and a second folded plate, the first folded plate is located on the end face of a second frame wall of the frame body, two ends of the first folded plate are respectively abutted against second ends of the two felts, the second frame wall is opposite to the first frame wall, and the blade is installed on the first folded plate and extends into the opening;
the end face of the second frame wall is provided with two locking holes, the first folding plate is provided with two mounting holes which are respectively in one-to-one correspondence with the two locking holes, and a fastener penetrates through one mounting hole and is fixedly connected with one locking hole;
the second folded plate is attached to the second frame wall and is abutted to the outer wall of the opening, a clamping groove is formed in the first end of the second folded plate, a first limiting groove and a positioning protrusion are arranged on the outer wall of the second frame wall, the first limiting groove and the positioning protrusion are close to the locking holes respectively, the positioning protrusion is far away from one end of the second frame wall and is inserted into the clamping groove, and the second end of the second folded plate is inserted into the first limiting groove.
3. The developing device according to claim 2, characterized in that:
developing device is still including being the sealed sponge that the cuboid set up, the terminal surface of second frame wall is seted up flutedly, the recess is two extend between the locking hole, sealed sponge is located in the recess, just the bottom surface of sealed sponge is in through two-sided sticky subsides on the interior concave surface of recess, first folded plate support press on the top surface of sealed sponge.
4. The developing device according to claim 3, characterized in that:
two glue injection grooves are formed in the inner concave surface of the groove, the two glue injection grooves are respectively close to the two locking holes one by one, and sealant is filled in each glue injection groove.
5. The developing device according to claim 2, characterized in that:
each of the mounting holes is a kidney-shaped hole, and the mounting holes extend from the second frame wall toward the first frame wall.
6. The developing device according to claim 2, characterized in that:
one end of the first folding plate, which is close to the clamping groove, protrudes outwards to form a grabbing part.
7. The developing device according to claim 2, characterized in that:
the outer wall of the second frame wall is further provided with a second limiting groove, the second limiting groove is close to the positioning protrusion, and the first end of the second folded plate is inserted into the second limiting groove.
8. The developing device according to any one of claims 1 to 7, characterized in that:
the bottom surface of the felt covering one end opening of the glue injection hole is an inclined surface.
9. The developing device according to claim 8, characterized in that:
the felt comprises a straight extension section, an arc section and a erection section which are connected in sequence, and the inclined surface is positioned on the erection section.
10. Selenium drum, including developing device, its characterized in that:
the developing device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120392418.7U CN214151387U (en) | 2021-02-22 | 2021-02-22 | Developing device and toner cartridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120392418.7U CN214151387U (en) | 2021-02-22 | 2021-02-22 | Developing device and toner cartridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214151387U true CN214151387U (en) | 2021-09-07 |
Family
ID=77553692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120392418.7U Active CN214151387U (en) | 2021-02-22 | 2021-02-22 | Developing device and toner cartridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214151387U (en) |
-
2021
- 2021-02-22 CN CN202120392418.7U patent/CN214151387U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Developing unit and selenium drum Effective date of registration: 20220926 Granted publication date: 20210907 Pledgee: Xiamen International Bank Co.,Ltd. Zhuhai branch Pledgor: ZHUHAI DEJIAN COMPUTER OUTSIDE EQUIPMENT CO.,LTD. Registration number: Y2022980016379 |