CN201278081Y - Transmission mechanism and paper feeder using the mechanism - Google Patents

Transmission mechanism and paper feeder using the mechanism Download PDF

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Publication number
CN201278081Y
CN201278081Y CNU2008201544417U CN200820154441U CN201278081Y CN 201278081 Y CN201278081 Y CN 201278081Y CN U2008201544417 U CNU2008201544417 U CN U2008201544417U CN 200820154441 U CN200820154441 U CN 200820154441U CN 201278081 Y CN201278081 Y CN 201278081Y
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CN
China
Prior art keywords
arm
gear
gear train
output gear
switching
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Expired - Lifetime
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CNU2008201544417U
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Chinese (zh)
Inventor
郑松柏
陈谷名
林家晖
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Hongguang Precision Industry Suzhou Co Ltd
Avision Commercial Technology Suzhou Co Ltd
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Hongguang Precision Industry Suzhou Co Ltd
Avision Commercial Technology Suzhou Co Ltd
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Priority to CNU2008201544417U priority Critical patent/CN201278081Y/en
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Publication of CN201278081Y publication Critical patent/CN201278081Y/en
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Abstract

The utility model relates to a paper-feeding device with a transmission mechanism for driving a paper-feeding mechanism to delivery papers. The transmission mechanism comprises an output gear, a transmission gear assembly meshed with the output gear and a switching component arranged between the transmission gear assembly and the output gear and used for switching the rotation direction of the output gear, wherein, the switching component comprises a movable arm piece, a drive gear driven by the transmission gear assembly to rotate towards a forward direction or a backward direction, a switching gear group arranged on the arm piece and meshed with the drive gear, and an engaging and disengaging device for limiting the movement of the arm piece so as to separate the switching gear group from the output gear. When the output gear is meshed with the switching gear group, the output gear switches the rotation direction according to the rotation direction of the switching gear group, and further switches the rotation direction of the transmission shaft of the paper-feeding mechanism; and when the output gear and the switching gear group are separated, the output gear and the transmission shaft of the paper-feeding mechanism are not driven by the power supply.

Description

Gear train and use the document feeder of this gear train
Technical field
The utility model relates to a kind of document feeder and gear train thereof, particularly image fetch device, for example the document feeder of scanner, duplicating machine, printer, facsimile recorder and multifunctional paper feeding machine and gear train thereof.
Background technology
General image fetch device sets document feeder and carries out the function of presenting manuscript paper automatically.Traditional document feeder by the paper feed roller set, be used for getting the pickup roller of paper, comber, gear train with separation effect from paper box, and constitute in order to the motor that drives above-mentioned these paper feed assemblies.
With the double-side file scanner is example, especially only the double-side file scanner that has single image read module, when carrying out duplex scanning, motor must just change and reverse makes paper feed roller set forward and reverse feeding original copy, the two sides of overturning original copy whereby and finishing scan manuscript.
In order to make pickup roller and comber not driven by motor, and prevent paper on the paper box by feed-in, clutch coupling must be installed in the document feeder control pickup roller with the positive and negative of comber and motor then action.Yet therefore the start that the aforementioned mechanism need come solenoidoperated cluthes with another motor needs higher manufacturing cost.Aforementioned mechanism has shortcomings such as volume is big, weight is big in addition.
U.S. Patent Publication No. US 2005/0110205, discloses a kind of gear set that utilizes and replaces clutch coupling with the rotating of control comber.This gear set comprises the interior wall mask the internal trolley of gear configurations (internal roller).Rocking arm (swing arm) with wave gear (swing gear) and be fitted in the internal trolley, and coupling wheel (coupling gear) and reverse gear (reversinggear) group are located at the inside of internal trolley.Then can change the torsion direction that drives comber when waving the engagement of gear and reverse gear.Yet substitute the combination of clutch coupling and motor with gear set, its component count is many, thus cooperate complicated and reaction slow, be easy to generate the untrue shortcoming of action.
The utility model content
Based on solving the disclosed shortcoming of above-mentioned prior art, the utility model proposes a kind of new gear train, and the document feeder of using this gear train.
One of the purpose of this utility model is to provide a kind of gear train, and it can change the motor pattern of paper feed mechanism apace and positively when propulsion system produce rotating.
Another purpose of the present utility model is to provide a kind of gear train, and it is the combination of gear train and changeover module, makes that the quantity of assembly is few and combination is simple.
Another purpose of the present utility model is to provide a kind of document feeder, and the gear train that its configuration gear train and changeover module are formed makes that whereby the result of use of document feeder is more certain.
The disclosed gear train of the utility model comprises transfer gear train, and it is in order to transferring power; The output gear train drives the transmission shaft of paper feed mechanism, makes paper feed mechanism transmit paper; And changeover module is disposed between transfer gear train and the output gear, in order to switch the power that transfers to output gear from transfer gear train; Wherein changeover module more comprises mobilizable arm spare; Driven wheel is subjected to transfer gear train and drives and rotate towards positive veer or reverse directions; Switching gear train is installed on the arm spare and the driven wheel engagement, and switching gear train changes its rotation direction according to the rotation direction of driven wheel; And arrangement of clutch makes switching gear train separate with output gear in order to the moving of restricted arm part.
So, when output gear and switching gear train engagement, output gear changes its rotation direction according to the rotation direction of switching gear train, and then changes the rotation direction of the transmission shaft of paper feed mechanism; And when output gear separated with switching gear train, the transmission shaft of output gear and paper feed mechanism was not driven by power source.
The utility model discloses a kind of document feeder, and it comprises paper feed channel and power source in order to power to be provided; Paper feed mechanism comprises transmission shaft; Comber is mounted on this transmission shaft, and driven by this transmission shaft and rotate; And pickup roller; Comprise gear train in addition again, it is driven by this power source, and transmits this power to paper feed mechanism, makes the paper feed mechanism paper feeding enter paper feed channel; Gear train comprises transfer gear train in order to transmit this power; Output gear makes paper feed mechanism transmit paper for driving the transmission shaft of paper feed mechanism; And changeover module, be arranged between transfer gear train and the output gear, in order to switch the power that transfers to output gear from transfer gear train, it comprises mobilizable arm spare; Driven wheel is subjected to transfer gear train and drives and rotate towards positive veer or reverse directions; Switching gear train is installed on the arm spare, and with the driven wheel engagement, switching gear train changes its rotation direction according to the rotation direction of driven wheel; And arrangement of clutch, in order to moving of restricted arm part, make switching gear train separate with output gear.
When output gear and switching gear train engagement, output gear changes its rotation direction according to the rotation direction of switching gear train, and then changes the rotation direction of the transmission shaft of paper feed mechanism.
When output gear separated with switching gear train, the transmission shaft of output gear and paper feed mechanism was not driven by power source.
Below, enumerate preferred embodiment, and cooperate graphic detailed description promptly according to the purpose of this utility model effect and structure configuration.
Description of drawings
Fig. 1 is a document feeder synoptic diagram of the present utility model.
Fig. 2 is the outside drawing of gear train of the present utility model and paper feed mechanism combination.
Fig. 3 is the exploded view of gear train of the present utility model.
Fig. 4 is the action synoptic diagram one of the gear train of first embodiment of the present utility model.
Fig. 5 is the action synoptic diagram two of the gear train of first embodiment of the present utility model.
Fig. 6 is driven by arrangement of clutch for arm spare of the present utility model synoptic diagram.
Fig. 7 is the structure and the action synoptic diagram one of the gear train of second embodiment of the present utility model.
Fig. 8 is the action synoptic diagram two of the gear train of second embodiment of the present utility model.
Fig. 9 is the structure and the action synoptic diagram one of the gear train of the 3rd embodiment of the present utility model.
Figure 10 is the action synoptic diagram two of the gear train of the 3rd embodiment of the present utility model.
Figure 11 is subjected to the synoptic diagram of arrangement of clutch driving for the arm spare of the gear train of the 3rd embodiment of the present utility model.
Main description of reference numerals
10 automatic paper feeders
14 paper feed channel, 16 paper feed mechanisms
162 combers, 164 pickup rollers
166 transmission shafts 168 are subjected to powershift gear
The 172 pickup roller rotating shafts of 17 gear sets
20 gear trains, 22 motors
24 gear of output end, 30 transfer gear train
32 first gears, 34 second gears
36 the 3rd gears, 40 changeover modules
42 arm spares, 421 first arms
422 second arms, 43 switching gear train
44 first gear sets, 442 gears
46 second gear sets, 462 gears
The main tooth of 48 driven wheels 482 portion
484 coupling tooth portions, 50 output gears
54 coupling tooth portions of 52 main tooth portions
70 arrangement of clutch, 72 solenoid valves
74 actuators, 80 elastic partss
Embodiment
Please refer to Fig. 1, document feeder synoptic diagram of the present utility model.Document feeder 10 has paper feed channel 14, paper feed mechanism 16 and gear train (not shown), and paper feed mechanism 16 is positioned at an end of paper feed channel 14.
Please refer to Fig. 2, show the combination of gear train 20 and paper feed mechanism 16 among the figure.Paper feed mechanism 16 comprises comber 162 and pickup roller 164.Pickup roller 164 can rise and descend, and so as to grasping paper from deposit paper box, 162 of combers are in order to in individual paper feed-in paper feed channel.Transmission shaft 166 be set in comber 162 axially, and the configuration of an end of transmission shaft 166 to be subjected to powershift gear 168, comber 162 be to be driven and rotated by transmission shaft 166.In this embodiment, the rotation of pickup roller 164 and rising and decline are also driven by transmission shaft 166.Gear set 17 is configured between transmission shaft 166 and the pickup roller rotating shaft 172; By gear set 17, transmission shaft 166 can be sent to torsion pickup roller rotating shaft 172.Gear train 20 is driven by power source.Power source is motor 22 and outputting torsion in this embodiment.Outputting torsion and the driving transmission shaft 166 of gear train 20 in order to transmit motor 22 make comber 162 and pickup roller 164 rotate whereby, and driving pickup roller 164 produces elevating movement.
Fig. 3 is the exploded view of gear train 20.It comprises transfer gear train 30, output gear 50 and changeover module 40.
Transfer gear train 30 is in order to transmit the torsion that motor 22 is exported, it comprises first gear 32, second gear 34 and the 3rd gear 36, wherein second gear 34 meshes with first gear 32 and the 3rd gear 36 respectively, and the gear of output end 24 of first gear, 32 clutch motors 22.
Output gear 50 engagements and driving are subjected to powershift gear 168, rotated by powershift gear 168 and can drive transmission shaft 166.
Changeover module 40 is arranged between transfer gear train 30 and the output gear 50; Further, changeover module 40 engaged transmission gear trains 30, and changeover module 40 is in order to switch the power that transfers to output gear 50 from transfer gear train 30.
In more detail, changeover module 40 comprises arm spare 42, driven wheel 48, switching gear train 43, and arrangement of clutch 70.Arm spare 42 is provided as movable state; Driven wheel 48 is subjected to transfer gear train 30 and drives and rotate towards positive veer or reverse directions.Switching gear train 43 is installed on the arm spare 42, and switching gear train 43 changes its rotation direction according to the rotation direction of driven wheel 48.Arrangement of clutch 70 in order to moving of restricted arm part 42, makes switching gear train 43 separate with output gear 50.
Referring again to Fig. 2, when one of pattern of the present utility model is output gear 50 and switching gear train 43 engagements, output gear 50 changes its rotation direction according to the rotation direction of switching gear train 43, and then changes the rotation direction of the transmission shaft 166 of paper feed mechanism 16; Another pattern is an output gear 50 when separating with switching gear train 43, and the transmission shaft 166 of output gear 50 and paper feed mechanism 16 is not driven by power source 22.
Referring again to Fig. 3, arrangement of clutch 70 can comprise solenoid valve 72 and actuator 74, and solenoid valve 72 drives actuator 74, makes actuator 74 force in moving of arm spare 42 and restricted arm part 42, and then switching gear train 43 is separated with output gear 50.
About first embodiment of the present utility model, please refer to Fig. 3, the arm spare 42 of changeover module 40 has first arm 421 and second arm 422, and has an angle between first arm 421 and second arm 422.
Switching gear train 43 is made of a plurality of gear, comprises first gear set 44 and second gear set 46.First gear set 44 has a plurality of intermeshed gear and is provided in first arm, 421, the second gear sets 46 and has a plurality of intermeshed gear and be provided in second arm 422.
Driven wheel 48 has main tooth portion 482, and coupling tooth portion 484 is in conjunction with main tooth portion 482.The 3rd gear 36 of main tooth portion 482 engaged transmission gear trains 30, coupling tooth portion 484 engagement first gear set 44 and second gear sets 46.Driven wheel 48 and arm spare 42 coaxial being pivoted, arm spare 42 be swing to the left or to the right along with the rotation direction of driven wheel 48, makes that first gear set 44 or second gear set 46 in the switching gear train 43 meshes output gears 50.
Output gear wheels 50 have main tooth portion 52 and coupling tooth portion 54.Output gear 50 is configured between first arm 421 and second arm 422, and coupling wheel portion 54 engaging stress gears 168.
The actuator 74 of arrangement of clutch 70 forces in the joint of first arm 421 and second arm 422, and then makes first gear set 44 of switching gear train and second gear set 46 with output gear 50 engagements or separate.
Fig. 4 is the action synoptic diagram one of the gear train of present embodiment.When gear of output end 24 output clockwise torque, transfer gear train 30 is rotated torsion is sent to driven wheel 48, and driven wheel 48 is rotated toward the clockwise direction.This moment, 42 swings of arm spare made first arm 421 near output gear 50, and a gear 442 of first gear set 44 rotates toward the clockwise direction.
When gear 442 meshed with output gear 50, output gear 50 was towards counterclockwise rotating, and 168 of the powershift gears that are subjected to that mesh with output gear 50 rotate toward the clockwise direction.Thus, the transmission shaft 166 of paper feed mechanism 16 is subjected to powershift gear 168 and drives and rotate, the comber 162 and the pickup roller 168 that are arranged on the transmission shaft 166 also rotate toward the clockwise direction, pickup roller 164 descends, and enters the paper feed channel (not shown) so that pickup roller 164 grasps the paper on the paper box and feeds paper with comber 162.
Fig. 5 is the action synoptic diagram two of the gear train of present embodiment.When the anticlockwise torsion of gear of output end 24 outputs, transfer gear train 30 is rotated torsion is sent to driven wheel 48, makes driven wheel 48 towards counterclockwise rotating.At this moment, 42 swings of arm spare make second arm 422 near output gear 50, and the gear 462 of second gear set 46 is towards counterclockwise rotating.When gear 462 during with output gear 50 engagements, output gear 50 rotates toward the clockwise direction, with output gear 50 engagements be subjected to 168 of powershift gears towards rotation counterclockwise.So, by the driving of transmission shaft 166, the pickup roller 164 of paper feed mechanism 16 presents propradation.
Fig. 6 is subjected to the synoptic diagram of arrangement of clutch 70 drivings for the arm spare 42 of present embodiment.When solenoid valve 72 starts make that actuator 74 is pressed in joint between first arm 421 and second arm 422, arm spare 42 is activated the restriction of part 74 and can't swings, and still can't make 42 swings of arm spare for first gear set 44 and second gear set 46 even driven wheel 48 transmits torsion.In other words, by the start of actuator 74, first gear set 44 and second gear set 46 all separate with output gear 50.That is to say that because output gear 50 does not have and first gear set 44 or 46 any one engagement of second gear set, the torsion that the motor (not shown) is exported can't be delivered to the transmission shaft (not shown).
7th, 8 figure are the structure and action synoptic diagram of the utility model second embodiment.Second embodiment is in only selecting one of arm spare 42 arm configuration gear set with the different of first embodiment, for example gear set 44 is disposed on first arm 421.Elastic parts 80 1 end groups are located on second arm 422, and the other end is fixed on the precalculated position.Make elastic parts 80 impose an acting force on arm spare 42, impel first arm 421 near output gear 50, and gear set 44 engagement output gears 50.So no matter driving rolls 48 rotates toward the clockwise direction or counterclockwise, and gear set 44 all can drive output gear 50.
Please refer to Fig. 7, when transfer gear train 30 was transmitted a torsion and driven driven wheel 48 and rotate toward the clockwise direction, the gear set 44 of engagement output gear 50 drove output gears 50 towards counterclockwise rotating; Thus, be subjected to powershift gear 168 to rotate and drive the transmission shaft 166 of paper feed mechanism toward the clockwise direction.
Please refer to Fig. 8, transmit a torsion when transfer gear train 30 and drive driven wheel 48 when counterclockwise rotating, be different from first embodiment, gear set 44 still meshes with output gear 50, and arm spare 42 swings because of driven wheel 48 rotates in the opposite direction because of the acting force that provided by elastic parts 80.Gear set 44 drives output gear 50 and rotates toward the clockwise direction.
In a second embodiment, about the drive connection between transfer gear train 30, changeover module 40, output gear 50 and the paper feed mechanism (not shown), and the mode of arrangement of clutch (not shown) actuating arm spare 42, all identical with first embodiment, just repeat no more at this.
Fig. 9 is the synoptic diagram of the 3rd embodiment of the present utility model.Present embodiment is different with previous embodiment, and to be in arm spare 42 be the single armed structure, and 46 groups of gear sets are located on the arm spare 42 of single armed structure mesh driving gear 48 and output gear 50 respectively; It should be noted that arm spare 42 can't swing with driven wheel 48.74 of the actuators of arrangement of clutch 70 combine with arm spare 42.
When transfer gear train 30 is transmitted a torsion and driven driven wheel 48 and rotate toward the clockwise direction, drive output gears 50 towards counterclockwise rotating with output gear 50 meshed gears groups 46, and clockwise rotated by powershift gear 168 and comber 162.Thus, pickup roller 164 is driven decline, and pickup roller 164 also rotates toward the clockwise direction to carry out automatic paper feed.
Please refer to Figure 10, transmit a torsion when transfer gear train 30 and drive driven wheel 48 when counterclockwise rotating, drive output gears 50 with output gear 50 meshed gears groups 46 and rotate toward the clockwise direction.And pickup roller 164 presents the state of rising.In this embodiment, the drive connection between transfer gear train 30, changeover module 40, output gear 50 and the paper feed mechanism 16, identical with first embodiment, do not repeat them here.
Figure 11 is subjected to the synoptic diagram of arrangement of clutch 70 drivings for the arm spare 42 of the gear train of present embodiment.In the present embodiment, the moving of arrangement of clutch 70 may command arm spares 42 makes gear set 46 on the arm spare 42 with the engagement of output roller or separate.Solenoid valve 72 starts make actuator 74 drive arm spares 42 away from or near output gear 50.
According to above each embodiment, arm spare 42 can be subjected to the driving of driven wheel 48 and swing to make wherein that arm relies on output gear 50, or be subjected to the effect of elastic parts 80 and rely on output gear 50, or connect arrangement of clutch 70 and be driven by it and near output gear 50, therefore driven wheel 50, elastic parts 80 or arrangement of clutch 70 are all a kind of drive unit, in order to actuating arm spare 42 and make gear set 46 engagement output gears 50 on the arm spare 42.
By the explanation of above each embodiment, the disclosed gear train of the utility model is made up of gear train and arm spare, so number of spare parts is few and unitized construction is simplified.Between this outer rotor engagement well can make paper feed mechanism to get paper and separation action certain, and pickup roller is driven and the reaction of rising is quick.
More than be preferred embodiment of the present utility model and design drawing, only preferred embodiment and design drawing only illustrate, it is not the interest field that is used to limit the utility model technology, all with similar technological means or the interest field implementer contained by the utility model content, all do not break away from category of the present utility model and be applicant's interest field.

Claims (22)

1. gear train in order to the transmission shaft of transmission power to paper feed mechanism, is characterized in that it comprises:
Transfer gear train is in order to transmit described power;
Output gear drives the described transmission shaft of described paper feed mechanism, makes described paper feed mechanism transmit paper; And
Changeover module is disposed between described transfer gear train and the described output gear, and in order to switch the described power that transfers to described output gear from described transfer gear train, it comprises:
Mobilizable arm spare;
Driven wheel is subjected to described transfer gear train and drives and rotate towards positive veer or reverse directions;
Switching gear train is installed on the described arm spare and meshes with described driven wheel, and described switching gear train changes its rotation direction according to the rotation direction of described driven wheel; And
Arrangement of clutch in order to limit moving of described arm spare, makes described switching gear train separate with described output gear;
Wherein, when described output gear and the engagement of described switching gear train, described output gear changes its rotation direction according to the rotation direction of described switching gear train, and then changes the rotation direction of the described transmission shaft of described paper feed mechanism;
When described output gear separated with described switching gear train, the described transmission shaft of described output gear and described paper feed mechanism was not driven by described power source.
2. gear train as claimed in claim 1, it is characterized in that wherein said arrangement of clutch comprises solenoid valve and actuator, the described actuator of described solenoid-driven, make described actuator force in described arm spare, and then described switching gear train is separated with described output gear.
3. gear train as claimed in claim 1, it is characterized in that, wherein said driven wheel is pivoted with described arm spare is coaxial, and described arm spare to the both sides swing, makes the described output gear of gearing mesh in the described switching gear train according to the rotation direction of described driven wheel.
4. gear train as claimed in claim 1 is characterized in that wherein said changeover module more comprises elastic parts, and described elastic parts makes described switching gear train mesh described output gear to the described arm spare application of force.
5. gear train as claimed in claim 4, it is characterized in that, wherein said arm spare has first arm and second arm, described switching gear train comprises gear set and is equipped on described first arm, described elastic parts one end disposes on described second arm, in order to the described arm spare application of force, make the described output gear of gearing mesh in the described gear set on described first arm.
6. gear train as claimed in claim 5 is characterized in that wherein said arrangement of clutch has actuator, forces in the joint of described first arm and described second arm, and then described switching gear train is separated with described output gear.
7. gear train as claimed in claim 3 is characterized in that, wherein said arm spare has first arm and second arm, and has an angle between described first arm and described second arm; Described switching gear train comprises first gear set and second gear set, described first gear set is provided in described first arm, described second gear set is provided in described second arm, the swing that described output gear sees through arm spare optionally with the gearing mesh of described first gear set or described second gear set, with the rotation direction that changes described output gear and drive described transmission shaft.
8. gear train as claimed in claim 7 is characterized in that, wherein said driven wheel is hubbed at the joint of described first arm and described second arm, and described driven wheel meshes described first gear set and described second gear set.
9. gear train as claimed in claim 7, it is characterized in that, wherein said arrangement of clutch has actuator, and described actuator forces in the joint of described first arm and described second arm, and then described first gear set and described second gear set are separated with described output gear.
10. gear train as claimed in claim 1 is characterized in that, wherein said power source is a motor.
11. an automatic paper feeder is characterized in that, grasps and paper feeding, it comprises:
Paper feed channel;
Power source provides power;
Paper feed mechanism comprises:
Transmission shaft;
Comber is mounted on the described transmission shaft, and is driven and rotated by described transmission shaft; And
Pickup roller; And
Gear train is driven by described power source, and transmits described power to described paper feed mechanism, makes described paper feed mechanism present described paper and enter described paper feed channel that it comprises:
Transfer gear train is in order to transmit described power;
Output gear drives the described transmission shaft of described paper feed mechanism, makes described paper feed mechanism transmit described paper;
And
Changeover module is arranged between described transfer gear train and the described output gear, and in order to switch the described power that transfers to described output gear from described transfer gear train, it comprises:
Arm spare is for being provided with movably;
Driven wheel is subjected to described transfer gear train and drives and rotate towards positive veer or reverse directions;
Switching gear train is installed on the described arm spare, and with described driven wheel engagement, described switching gear train changes its rotation direction according to the rotation direction of described driven wheel; And
Arrangement of clutch in order to limit moving of described arm spare, makes described switching gear train separate with described output gear;
Wherein, when described output gear and the engagement of described switching gear train, described output gear changes its rotation direction according to the rotation direction of described switching gear train, and then changes the rotation direction of the described transmission shaft of described paper feed mechanism;
When described output gear separated with described switching gear train, the described transmission shaft of described output gear and described paper feed mechanism was not driven by described power source.
12. automatic paper feeder as claimed in claim 11 is characterized in that, described transmission shaft drives described comber and described pickup roller rotates, and the rising of described pickup roller and decline.
13. automatic paper feeder as claimed in claim 11, it is characterized in that wherein said arrangement of clutch is to comprise a solenoid valve and an actuator, this actuator of described solenoid-driven, make described actuator force in described arm spare, and then described switching gear train is separated with described output gear.
14. automatic paper feeder as claimed in claim 11, it is characterized in that, wherein said driven wheel is pivoted with described arm spare is coaxial, and described arm spare to the both sides swing, makes the described output gear of gearing mesh in the described switching gear train according to the rotation direction of described driven wheel.
15. automatic paper feeder as claimed in claim 11 is characterized in that, wherein said changeover module more comprises elastic parts, provides described arm spare with restoring force, and wherein said elastic parts makes described switching gear train mesh described output gear to the described arm spare application of force.
16. automatic paper feeder as claimed in claim 15, it is characterized in that, wherein said arm spare has first arm and second arm, described switching gear train comprises gear set and is equipped on described first arm, described elastic parts one end disposes on described second arm, in order to the arm application of force is made the described output gear of gearing mesh in the gear set on described first arm.
17. automatic paper feeder as claimed in claim 16 is characterized in that, wherein said arrangement of clutch has actuator, forces in the joint of described first arm and described second arm, and then described switching gear train is separated with described output gear.
18. automatic paper feeder as claimed in claim 14 is characterized in that, wherein said arm spare has first arm and one second arm, and has an angle between described first arm and described second arm; Described switching gear train comprises first gear set and second gear set, described first gear set is provided in described first arm, described second gear set is provided in described second arm, the swing of described output gear by arm spare optionally with one of described first gear set or described second gear set gearing mesh, changing the rotation direction of described output gear, and drive described transmission shaft.
19. automatic paper feeder as claimed in claim 18 is characterized in that, wherein said driven wheel is hubbed at the joint of described first arm and described second arm, and described driven wheel meshes described first gear set and described second gear set.
20. automatic paper feeder as claimed in claim 18, it is characterized in that, wherein said arrangement of clutch has actuator, and described actuator forces in the joint of described first arm and described second arm, and then described first gear set and described second gear set are separated with described output gear.
21. automatic paper feeder as claimed in claim 11 is characterized in that, wherein said paper feed mechanism more comprises and is subjected to powershift gear, is configured in described transmission shaft one end and meshes described output gear.
22. automatic paper feeder as claimed in claim 11 is characterized in that, wherein said power source is a motor.
CNU2008201544417U 2008-10-24 2008-10-24 Transmission mechanism and paper feeder using the mechanism Expired - Lifetime CN201278081Y (en)

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Application Number Priority Date Filing Date Title
CNU2008201544417U CN201278081Y (en) 2008-10-24 2008-10-24 Transmission mechanism and paper feeder using the mechanism

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102025881B (en) * 2009-09-11 2012-08-08 虹光精密工业(苏州)有限公司 Transmission mechanism with switchable output power and scanning device using same
CN101723192B (en) * 2008-10-24 2013-01-30 虹光精密工业(苏州)有限公司 Transmission mechanism and paper feeder using same
CN104097999A (en) * 2013-04-12 2014-10-15 富士施乐株式会社 Drive switching mechanism, rotary driving device including the same, and drive processing device
CN107608184A (en) * 2016-07-12 2018-01-19 佳能株式会社 Drive transmission device and image processing system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101723192B (en) * 2008-10-24 2013-01-30 虹光精密工业(苏州)有限公司 Transmission mechanism and paper feeder using same
CN102025881B (en) * 2009-09-11 2012-08-08 虹光精密工业(苏州)有限公司 Transmission mechanism with switchable output power and scanning device using same
CN104097999A (en) * 2013-04-12 2014-10-15 富士施乐株式会社 Drive switching mechanism, rotary driving device including the same, and drive processing device
CN104097999B (en) * 2013-04-12 2017-09-29 富士施乐株式会社 Drive switching mechanism, rotating driving device and driving processing unit
CN107608184A (en) * 2016-07-12 2018-01-19 佳能株式会社 Drive transmission device and image processing system
US10394177B2 (en) 2016-07-12 2019-08-27 Canon Kabushiki Kaisha Drive transmission apparatus and image forming apparatus
CN107608184B (en) * 2016-07-12 2020-06-09 佳能株式会社 Drive transmission device and image forming apparatus

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