CN108825732B - Transmission mechanism for printing medium capacity-expansion frame of image forming device - Google Patents
Transmission mechanism for printing medium capacity-expansion frame of image forming device Download PDFInfo
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- CN108825732B CN108825732B CN201811042248.9A CN201811042248A CN108825732B CN 108825732 B CN108825732 B CN 108825732B CN 201811042248 A CN201811042248 A CN 201811042248A CN 108825732 B CN108825732 B CN 108825732B
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- wheel
- image forming
- forming apparatus
- transmission mechanism
- print medium
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The invention provides a transmission mechanism of a printing medium capacity expansion frame for an image forming device, which is characterized in that: the device comprises a bracket, a plurality of wheel shafts arranged on the bracket, and driving wheels respectively arranged on the wheel shafts; the planetary input wheel is characterized by further comprising a planetary input wheel, wherein the wheel shaft of the planetary input wheel floats; the driving wheel comprises a sun wheel; the planetary input wheel is meshed with the sun wheel; the wheel axle of the planetary input wheel is connected with the wheel axle of the sun wheel through a planet carrier; the planet carrier is connected with the support through an elastic element; the planetary input wheel is arranged to be meshed with the capacity-expanding output wheel of the image forming device main body, and the invention has the beneficial effects that the flexible detachable connection between the transmission mechanism inside the capacity-expanding frame and the driving mechanism on the image forming device is realized, and meanwhile, the transmission ratio requirement is met.
Description
Technical Field
The invention belongs to the field of image forming devices, and particularly relates to a transmission mechanism of a printing medium capacity expansion frame for an image forming device, which is particularly suitable for internal transmission of the printing medium capacity expansion frame of the image forming device such as a printer, a copying machine and the like.
Background
With the continuous development of the era, more and more kinds of image forming devices such as printers and copiers are continuously appeared in the market, meanwhile, the demand for the capacity of printing media is originally larger, in order to meet the demand for increasing the capacity of the printing media in the market, various printing media capacity expansion technologies are sequentially proposed, and the printing media capacity expansion technologies are mostly overlapped based on capacity expansion frames so as to realize the improvement of the medium capacity, but because a driving device is located on a body of the image forming device, a certain technical difficulty is brought to due to the fact that a transmission mechanism inside the capacity expansion frames is connected with a driving mechanism on the image forming device in a flexible and detachable manner.
Disclosure of Invention
The invention provides a transmission mechanism for a printing medium capacity expansion frame of an image forming device, which is particularly suitable for internal transmission of the printing medium capacity expansion frame of the image forming device such as a printer, a copying machine and the like, and is flexibly and detachably connected with a driving mechanism on the image forming device.
In order to solve the technical problems, the invention adopts the following technical scheme:
a transmission mechanism for a print medium capacity expansion frame of an image forming apparatus, characterized by:
the device comprises a bracket, a plurality of wheel shafts arranged on the bracket, and driving wheels respectively arranged on the wheel shafts;
the planetary input wheel is characterized by further comprising a planetary input wheel, wherein the wheel shaft of the planetary input wheel floats;
the driving wheel comprises a sun wheel;
the planetary input wheel is meshed with the sun wheel;
the wheel axle of the planetary input wheel is connected with the wheel axle of the sun wheel through a planet carrier;
the planet carrier is connected with the support through an elastic element;
the elastic element can comprise a spring, and two ends of the spring are respectively connected with the bracket and the hooks on the planet carrier. The elastic element may also be an elastic element of another kind or arranged in another way, which is provided for the purpose of enabling the carrier to return.
The planetary input wheel is provided so as to be capable of meshing with an output wheel for expanding the image forming apparatus main body.
The driving wheel also comprises an output wheel at the paper taking and feeding end;
the sun gear is driven to the output wheel of the paper taking and feeding end.
The driving wheel also comprises an output wheel for expanding;
the sun gear is driven to the output wheel for expansion;
the capacity-enlarging output wheel is provided to be capable of meshing with a planetary input wheel in a transmission mechanism of a print medium capacity-enlarging frame of the image forming apparatus of the next stage.
Preferably, the planetary gear transmission device further comprises a limiting mechanism arranged on the planetary input wheel or the planetary carrier;
the limiting mechanism is arranged for limiting the center distance between the planetary input wheel and the capacity-expansion output wheel.
The limiting mechanism comprises a positioning sleeve arranged on the input shaft of the planetary input wheel, and can also be other limiting mechanisms which do not interfere with gear transmission.
Preferably, the transmission wheel further comprises a split washer, and the transmission wheel is arranged on the wheel shaft through the split washer. Through the arrangement, the driving wheel can be stably positioned on the wheel shaft, the structure is simple, the connection is reliable, and the replacement is convenient when the structure fails.
The capacity-expansion transmission mechanism provided by the invention adopts a gear transmission mode, so that the transmission ratio requirement of the capacity-expansion frame can be met, and the capacity-expansion transmission mechanism is stable in transmission, reliable in operation and long in service life. The transmission input end adopts planetary gear transmission, can be according to actual assembly condition automatically regulated gear position, and the center distance of planetary gear and top meshing gear is guaranteed to planet gear one side installation locating sleeve simultaneously.
In summary, the transmission mechanism for the print medium capacity expansion frame of the image forming device provided by the invention comprises a planetary input wheel, a sun wheel, a transmission wheel, a paper taking and feeding end output wheel, a capacity expansion output wheel, a planetary gear support, a split ring, a positioning sleeve, a planetary gear spring, a capacity expansion transmission support and the like. The output wheel, the output wheel for expanding, the driving wheel and the sun wheel of the paper taking and feeding end are arranged on the expanding transmission support through the rotating shaft and limited in position through the split ring, the planetary input wheel is limited around the sun wheel through the planetary gear support, the positioning sleeve, the planetary gear shaft and the planetary gear spring and meshed with the sun wheel, and when the expanding frame is not installed, the planetary gear spring pulls the planetary gear support to enable the planetary gear to be located at a certain initial height. When the expansion frame is assembled on the image forming device, the planetary gear is meshed with the expansion output wheel of the upper side image forming device or the expansion frame and automatically adjusts the position under the buffer action of the planetary gear spring, and when the positioning sleeve is contacted with the boss of the upper side image forming device or the expansion frame, the planetary gear is adjusted to the center distance position fixed with the expansion output wheel.
The present invention also provides a print medium capacity expansion frame for an image forming apparatus, characterized in that:
comprising a transmission mechanism as described above;
the transmission mechanism is arranged on the printing medium capacity expansion frame;
the paper path of the print medium expansion frame communicates with the paper path of the image forming apparatus main body.
Through the arrangement, the transmission mechanism inside the capacity expansion frame is flexibly and detachably connected with the driving mechanism on the image forming device, and the use is convenient.
The present invention also provides an image forming apparatus characterized in that:
the image forming apparatus includes an image forming apparatus main body and a printing medium capacity expansion frame as described above;
the image forming apparatus main body is connected with the print medium capacity expansion frame,
the print medium expansion frame is provided for expansion of the image forming apparatus main body.
Through the arrangement, the transmission mechanism inside the capacity expansion frame is flexibly and detachably connected with the driving mechanism on the image forming device, and the use is convenient.
The invention has the advantages and positive effects that: by adopting the technical scheme, the flexible detachable connection between the transmission mechanism inside the capacity expansion frame and the driving mechanism on the image forming device is realized, and meanwhile, the transmission ratio requirement is met.
Drawings
FIG. 1 is a schematic diagram illustrating the installation of a capacity-expanding transmission mechanism according to an embodiment of the present invention
FIG. 2 is a schematic diagram of a capacity-expanding transmission mechanism according to an embodiment of the present invention
FIG. 3 is a schematic view of a transmission bracket for expanding a volume according to an embodiment of the present invention
FIG. 4 is a schematic view of a spring for a planetary gear according to an embodiment of the invention
FIG. 5 is a schematic view of a planet carrier according to an embodiment of the invention
FIG. 6 is a schematic view of a circlip according to an embodiment of the present invention
FIG. 7 is a schematic view of a positioning sleeve according to an embodiment of the invention
FIG. 8 is a schematic view of a planet shaft according to an embodiment of the invention
FIG. 9 is a schematic diagram of a planetary input wheel according to an embodiment of the present invention
FIG. 10 is a schematic view of a sun gear according to an embodiment of the invention
FIG. 11 is a schematic view of an output wheel at a paper feeding end according to an embodiment of the present invention
FIG. 12 is a schematic diagram of an output wheel for capacity expansion according to an embodiment of the present invention
FIG. 13 is a schematic view of a transmission gear train according to an embodiment of the invention
In the figure:
1-1, output wheel 1-2 for expansion, expansion transmission mechanism 1-3 and expansion transmission mechanism
1-4, image forming apparatus 1-5, capacity-expanding frame 1-6, capacity-expanding frame
2-1, a planetary gear support 2-2, a sun gear 2-3 and a planetary gear spring
2-4, a capacity-expanding transmission bracket 2-5, a split ring 2-6 and a driving wheel
2-7, planetary input wheel 2-8, positioning sleeve 2-9 and planetary gear shaft
2-10, a paper taking and feeding end output wheel 2-11, a capacity expansion output wheel 3-1 and a shaft
3-2, shaft 3-3, shaft 3-4 and hook
5-1, a hook 5-2, a hole 5-3 and a hole
Detailed Description
As shown in fig. 2 to 13, in a transmission mechanism of a print medium capacity expansion frame for an image forming apparatus according to an embodiment of the present invention:
the central hole of the sun gear 2-2 is aligned with the hole 5-2 of the planet gear support 2-1 and is filled into the shaft 3-3 of the expansion transmission support 2-4 together and limited by the split ring 2-5, the planet input wheel 2-7 is positioned between the holes 5-3 on the planet gear support 2-1 by the planet gear shaft 2-9 and the positioning sleeve 2-8, so that the planet input wheel 2-7 rotates around the sun gear 2-2 while being meshed with the planet gear support 2-1, and the planet gear support 2-1 and the expansion transmission support 2-4 are connected by the planet gear spring 2-3 through hooks 3-4 and 5-1. The output wheels 2-10 of the paper taking and feeding end are arranged on the capacity expansion transmission bracket 2-4 through the shaft 3-1, the capacity expansion output wheels 2-11 are arranged on the shaft 3-2, the driving wheels 2-6 are arranged on other shafts and matched with the sun wheel 2-2 to control the transmission ratio and the steering from the input end to the output ends, and all gears are limited through the split rings 2-5.
When the planetary input wheel 2-7 is not engaged with the gears other than the sun wheel 2-2, the planetary spring 2-3 rotates and maintains the planetary input wheel 2-7 around the sun wheel 2-2 at a certain height due to its own elastic force. When the expansion of the printing medium is performed for the image forming apparatus 1-4, the expansion frame 1-5 is mounted on the image forming apparatus 1-4, at this time, the planetary input wheel 2-7 on the expansion transmission mechanism 1-2 is gradually engaged with the expansion output wheel 1-1 on the image forming apparatus 1-4 and adjusted to a proper height under the buffering action of the planetary spring 2-3, at this time, the cambered surface of the positioning sleeve 2-8 is smoothly contacted with the boss on the image forming apparatus 1-4, so that the planetary input wheel 2-7 and the expansion output wheel 1-1 are kept at a proper center distance. When the image forming apparatus 1-4 after the capacity expansion is expanded again, the planetary input wheel 2-7 on the capacity expansion transmission mechanism 1-3 and the capacity expansion output wheel 2-11 on the capacity expansion transmission mechanism 1-2 are engaged gradually and adjusted to a proper height under the buffer action of the planetary gear spring 2-3, and at the moment, the cambered surface of the positioning sleeve 2-8 is stably contacted with the boss on the capacity expansion transmission mechanism 1-3 to keep the planetary input wheel 2-7 and the capacity expansion output wheel 1-1 at a proper center distance.
As shown in fig. 1, an embodiment of a print medium capacity expansion frame for an image forming apparatus according to the present invention is provided. It should be noted that in various embodiments of the present invention, the print medium expansion frame need not be disposed below the image forming apparatus, but any possible arrangement may be employed where paper path communication is ensured, including but not limited to being disposed on top of the image forming apparatus or on the side of the image forming apparatus.
Fig. 1 can also be regarded as an embodiment of an image forming apparatus according to the present invention, which is connected to a print medium capacity-enlarging frame as described above.
The foregoing detailed description of the embodiments of the invention has been presented only to illustrate the preferred embodiments of the invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (6)
1. A transmission mechanism for a print medium capacity expansion frame of an image forming apparatus, characterized by:
the device comprises a bracket, a plurality of wheel shafts arranged on the bracket, and driving wheels respectively arranged on the wheel shafts;
the planetary input wheel is characterized by further comprising a planetary input wheel, wherein the wheel shaft of the planetary input wheel floats;
the driving wheel comprises a sun wheel; the planetary input wheel is meshed with the sun wheel;
the wheel axle of the planetary input wheel is connected with the wheel axle of the sun wheel through a planet carrier;
the planet carrier is connected with the support through an elastic element;
the planetary input wheel is provided so as to be capable of meshing with an output wheel for capacity expansion of the image forming apparatus main body;
the driving wheel also comprises a paper taking and feeding end output wheel, and the sun wheel is driven to the paper taking and feeding end output wheel;
the driving wheel also comprises an output wheel for expanding; the sun gear is driven to the output wheel for expansion; the capacity-enlarging output wheel is provided to be capable of meshing with a planetary input wheel in a transmission mechanism of a print medium capacity-enlarging frame of the image forming apparatus of the next stage;
the planetary input wheel is arranged on the planetary frame;
the limiting mechanism is arranged for limiting the center distance between the planetary input wheel and the capacity-expansion output wheel.
2. A transmission mechanism for a print medium capacity expansion frame of an image forming apparatus according to claim 1, wherein:
the limiting mechanism comprises a positioning sleeve arranged on the input shaft of the planetary input wheel.
3. A transmission mechanism for a print medium capacity expansion frame of an image forming apparatus according to claim 2, wherein:
the transmission wheel is arranged on the wheel shaft through the split retaining ring.
4. A transmission mechanism for a print medium capacity expansion frame of an image forming apparatus according to claim 2, wherein:
the elastic element comprises a spring, and two ends of the spring are respectively connected with the bracket and the hooks on the planet carrier.
5. A print medium capacity expansion frame for an image forming apparatus, characterized by:
comprising a transmission according to any one of claims 1-4;
the transmission mechanism is arranged on the printing medium capacity expansion frame;
the paper path of the print medium expansion frame communicates with the paper path of the image forming apparatus main body.
6. An image forming apparatus, characterized in that:
the image forming apparatus includes an image forming apparatus main body, the print medium capacity expansion frame according to claim 5;
the image forming apparatus main body is connected with the print medium capacity expansion frame,
the print medium expansion frame is provided for expansion of the image forming apparatus main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811042248.9A CN108825732B (en) | 2018-09-07 | 2018-09-07 | Transmission mechanism for printing medium capacity-expansion frame of image forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811042248.9A CN108825732B (en) | 2018-09-07 | 2018-09-07 | Transmission mechanism for printing medium capacity-expansion frame of image forming device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108825732A CN108825732A (en) | 2018-11-16 |
| CN108825732B true CN108825732B (en) | 2023-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201811042248.9A Active CN108825732B (en) | 2018-09-07 | 2018-09-07 | Transmission mechanism for printing medium capacity-expansion frame of image forming device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09216747A (en) * | 1996-02-15 | 1997-08-19 | Brother Ind Ltd | Jam disposing device in image forming device |
| JP2001158141A (en) * | 1999-09-22 | 2001-06-12 | Seiko Epson Corp | Printer with roll paper accommodating section |
| JP2003212370A (en) * | 2002-01-23 | 2003-07-30 | Oki Data Corp | Paper feeder |
| JP2005212432A (en) * | 2004-02-02 | 2005-08-11 | Canon Inc | Recording device |
| CN101357546A (en) * | 2007-07-31 | 2009-02-04 | 兄弟工业株式会社 | Image recording apparatus |
| CN107902448A (en) * | 2017-12-18 | 2018-04-13 | 天津光电通信技术有限公司 | A kind of multiple paper warehouses take paper control system and its take paper method |
| CN209164507U (en) * | 2018-09-07 | 2019-07-26 | 天津光电通信技术有限公司 | A kind of transmission mechanism of the print media dilatation frame for image forming apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120032682A (en) * | 2010-09-29 | 2012-04-06 | 삼성전자주식회사 | Paper feeding apparatus and image forming apparatus having the same |
-
2018
- 2018-09-07 CN CN201811042248.9A patent/CN108825732B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09216747A (en) * | 1996-02-15 | 1997-08-19 | Brother Ind Ltd | Jam disposing device in image forming device |
| JP2001158141A (en) * | 1999-09-22 | 2001-06-12 | Seiko Epson Corp | Printer with roll paper accommodating section |
| JP2003212370A (en) * | 2002-01-23 | 2003-07-30 | Oki Data Corp | Paper feeder |
| JP2005212432A (en) * | 2004-02-02 | 2005-08-11 | Canon Inc | Recording device |
| CN101357546A (en) * | 2007-07-31 | 2009-02-04 | 兄弟工业株式会社 | Image recording apparatus |
| CN107902448A (en) * | 2017-12-18 | 2018-04-13 | 天津光电通信技术有限公司 | A kind of multiple paper warehouses take paper control system and its take paper method |
| CN209164507U (en) * | 2018-09-07 | 2019-07-26 | 天津光电通信技术有限公司 | A kind of transmission mechanism of the print media dilatation frame for image forming apparatus |
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| Publication number | Publication date |
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| CN108825732A (en) | 2018-11-16 |
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