CN206751017U - Transmission device - Google Patents

Transmission device Download PDF

Info

Publication number
CN206751017U
CN206751017U CN201720534221.6U CN201720534221U CN206751017U CN 206751017 U CN206751017 U CN 206751017U CN 201720534221 U CN201720534221 U CN 201720534221U CN 206751017 U CN206751017 U CN 206751017U
Authority
CN
China
Prior art keywords
gear
paper
group
clutch
travelling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201720534221.6U
Other languages
Chinese (zh)
Inventor
洪义泉
陈龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foxlink Image Technology Co Ltd
Original Assignee
Foxlink Image Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Foxlink Image Technology Co Ltd filed Critical Foxlink Image Technology Co Ltd
Priority to CN201720534221.6U priority Critical patent/CN206751017U/en
Application granted granted Critical
Publication of CN206751017U publication Critical patent/CN206751017U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Sheets, Magazines, And Separation Thereof (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)

Abstract

The utility model discloses a kind of transmission device, including pickup roller group, paper pushing roller group, paper delivery roller group, drive motor, ratchet group, first, second gear train and the one-way clutch being installed on automatic sheet feeder.Paper pushing roller group includes paper pushing roller and paper pushing roller axle;Paper delivery roller group includes paper roller and paper delivery roller shaft;Drive motor takes paper, paper feeding and paper delivery roller group for driving;Ratchet group includes first, second one-way transmission gear, and first, second one-way transmission gear is sheathed on paper pushing roller axle both ends, and first, second one-way transmission gear is towards different directions unidirectional drive paper pushing roller axle;First gear group includes multiple travelling gears, is arranged at paper pushing roller axle and paper delivery roller shaft both ends;Second gear group is arranged at pickup roller group one end, and is engaged with the travelling gear for being sheathed on paper pushing roller axle one end;One-way clutch is arranged at paper pushing roller axle and paper delivery roller shaft one end, and is arranged between paper pushing roller axle and paper delivery roller shaft.

Description

Transmission device
Technical field
It the utility model is related to a kind of actuating unit, more particularly to a kind of automatic sheet feeder suitable on scanner Transmission device.
Background technology
With the progress of software and hardware, scanner has become one of basic outfit of many computer users, and it can be with By the words such as file, magazine, books, picture or iconography scanning input computer and it is acted upon.When being intended to that file is entered , it is necessary to which the transmission mechanism such as motor, the gear train being arranged in scanning element and driving belt drives scanning element during row scanning To be scanned to being placed horizontally at the file above scanning element.Another way is then to maintain scanning element not move, and It is that the file to be scanned is driven with transmission mechanism, can equally reaches the purpose of image scan, latter approach scans to improve Efficiency, be typically all equiped with automatic sheet feeder.Existing automatic sheet feeder has the passage of a conveying card, automatic sheet feeder It is respectively equipped with entrance and scanning that a variety of different transmission devices carry out control card.When scanning card, card enters to be sent automatically Paper device can produce crooked phenomenon, and use at least two pieces of motors mostly in existing automatic sheet feeder or use clutch Or the device such as magnetic valve, the structure driven respectively to paper extraction unit and paper pushing roller, but configure more motors Manufacturing cost is higher, and volume is not easy to minimize, to solve disadvantages mentioned above, be necessary in fact to existing automatic sheet feeder and its In transmission device improved.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, there is provided a kind of same with single drive motor When drive pickup roller group, paper pushing roller group and paper delivery roller group automatic sheet feeder transmission device, can automatically correct and sweep Card crooked phenomenon when retouching, while also reach the purpose for reducing cost.
To achieve these goals, the utility model provides a kind of transmission device, and the transmission device includes being installed in one A pickup roller group, a paper pushing roller group, a paper delivery roller group, a drive motor, a ratchet group on autoscanner, One first gear group, a second gear group and an one-way clutch.Paper pushing roller group includes paper pushing roller and paper pushing roller axle;Go out Paper roller group includes paper roller and paper delivery roller shaft;Drive motor, for driving pickup roller group, paper pushing roller group and paper delivery Roller group;Ratchet group, including the first one-way transmission gear and the second one-way transmission gear, the first one-way transmission gear are arranged In paper pushing roller axle one end, the second one-way transmission gear is sheathed on the paper pushing roller axle other end, the first one-way transmission gear and Two one-way transmission gears are towards different directions unidirectional drive paper pushing roller axle;First gear group, including multiple travelling gears, are arranged at Paper pushing roller axle and paper delivery roller shaft both ends, a travelling gear engages in the first one-way transmission gear and first gear group, driving Motor is by driving first gear group to drive the first one-way transmission gear of ratchet group to drive paper pushing roller group towards a side To rotation, drive motor is rotated by driving first gear group to be driven paper delivery roller group towards different directions;Second gear group, set Engaged in pickup roller group one end, and with the travelling gear for being sheathed on paper pushing roller axle one end, the tooth of drive motor first Wheel group be driven the first one-way transmission gear to a direction rotates when, transmission paper pushing roller axially direction transmission, so that drive sleeve A travelling gear located at the paper pushing roller axle other end drives pickup roller group to be rotated to a direction;One-way clutch, it is arranged at Paper pushing roller axle and paper delivery roller shaft one end, and be arranged between paper pushing roller axle and paper delivery roller shaft, including one first clutch Gear, one second clutch gear, the one-way clutch gear being arranged between the first clutch gear and the second clutch gear and It is arranged at the pressure stretch spring of the second clutch gear side, the first clutch gear and the driving cog for being sheathed on paper delivery roller shaft one end Wheel engagement, the second clutch gear and the second one-way transmission gear engagement for being sheathed on paper pushing roller axle one end, pressure stretch spring are pushed down Second clutch gear avoids rotating when the second clutch gear is dallied with clutch gear, and one-way clutch gear is engageable Second clutch gear causes the second clutch gear can only be toward one-directional rotation.
In an embodiment of the present utility model, first gear group includes a drive gear being connected with drive motor, and one First travelling gear and one second travelling gear, drive gear engage the first travelling gear, and the second travelling gear engagement first passes Moving gear, the first one-way transmission gear engage the second travelling gear, and first gear group also includes two intermeshing 3rd transmissions Gear and the 4th travelling gear for being fixedly connected on paper delivery roller shaft one end, wherein the transmission of one the 3rd travelling gear engagement second Gear, another 3rd travelling gear engage the 4th travelling gear.
In an embodiment of the present utility model, second gear group includes one the 7th travelling gear and the one and the 7th driving cog The 8th travelling gear of engagement is taken turns, the 7th travelling gear engages the 5th travelling gear, and the 8th travelling gear, which is fixedly connected on, takes paper Roller group one end.
In an embodiment of the present utility model, the first clutch gear has first contact towards the second clutch gear Convex portion, one-way clutch gear has the inclined-plane towards the first clutch gear, when the first clutch gear turns to the first contact When convex portion pushes against the inclined-plane of one-way clutch gear, the first clutch gear drives the equidirectional rotation of the second clutch gear.
As described above, can to correct card crooked for the utility model transmission device, and in the utility model transmission device, one Individual drive motor can drive pickup roller group, paper pushing roller group and paper delivery roller group simultaneously, avoid using multiple drive motor controls System, so as to save cost.
Brief description of the drawings
Fig. 1 is the stereogram of the utility model automatic sheet feeder.
Fig. 2 is the partial, perspective view of automatic sheet feeder shown in Fig. 1.
Fig. 3 is the stereogram of the transmission device of automatic sheet feeder shown in Fig. 1.
Fig. 4 is the stereogram of another angle of the transmission device of automatic sheet feeder shown in Fig. 1.
Fig. 5 is the stereogram of the one-way clutch of automatic sheet feeder shown in Fig. 1.
Fig. 6 is the three-dimensional exploded view of the one-way clutch of automatic sheet feeder shown in Fig. 5.
Wherein, description of reference numerals is as follows:
The pickup roller group 10 of transmission device 100
The paper pushing roller 21 of paper pushing roller group 20
The paper delivery roller group 30 of paper pushing roller axle 22
Go out the paper delivery roller shaft 32 of paper roller 31
The one-way transmission gear 41 of ratchet group 40 first
The first gear group 50 of second one-way transmission gear 42
The travelling gear 52 of drive gear 51 first
The travelling gear 54 of second travelling gear 53 the 3rd
The travelling gear 56 of 4th travelling gear 55 the 5th
The second gear group 60 of 6th travelling gear 57
The one-way transmission gear 62 of 7th travelling gear 61 the 8th
The clutch gear 71 of one-way clutch 70 first
The first contact clutch gear 72 of convex portion 711 second
The second contact one-way clutch gear 73 of convex portion 721
The drive motor 80 of pressure stretch spring 74
Automatic sheet feeder 200
Embodiment
To describe technology contents of the present utility model, construction feature, the objects and the effects in detail, below in conjunction with implementation Mode simultaneously coordinates accompanying drawing to be explained in detail.
Fig. 1 to Fig. 3 is referred to, the utility model transmission device 100, is installed in an automatic sheet feeder 200, this send automatically Paper device 200 has the function of scanning paper and card.The transmission device 100 includes a pickup roller group 10, a paper pushing roller group 20th, a paper delivery roller group 30 and the driving horse for driving pickup roller group 10, paper pushing roller group 20 and paper delivery roller group 30 Up to 80.In the present embodiment, it is front to define the front of automatic sheet feeder 200 in Fig. 1, then from Fig. 3 automatic sheet feeder 200 a left side Side is eyed right drive motor 80, and drive motor 80 is rotated clockwise to rotate forward, and drive motor 80 is rotated counterclockwise as reversion.It please join Fig. 1 is read, when automatic sheet feeder 200 scans paper, paper enters from front end from rear end to be sent out;When automatic sheet feeder scans card When, card enters from front end from front end to be sent out.
Fig. 2 to Fig. 6 is referred to, the paper pushing roller group 20 includes the paper pushing roller axle 22 of paper pushing roller 21 and one.
The paper delivery roller group 30 includes the paper delivery roller shaft 32 of paper roller 31 and one.
The transmission device 100 also include driven by drive motor 80 a ratchet group 40, a first gear group 50, One second gear group 60 and one is arranged at paper pushing roller axle 22 and the one end of paper delivery roller shaft 32, and be arranged at paper pushing roller axle 22 and One-way clutch 70 between paper delivery roller shaft 32.
The ratchet group 40 includes the first one-way transmission gear 41 and the second one-way transmission gear 42, the first unidirectional biography Moving gear 41 is sheathed on the one end of paper pushing roller axle 22, and the second one-way transmission gear 42 is sheathed on the other end of paper pushing roller axle 22, the One one-way transmission gear 41 dallies when rotating backward, and the second one-way transmission gear 42 dallies when rotating forward, therefore first is unidirectional The one-way transmission gear 42 of travelling gear 41 and second is towards different directions unidirectional drive paper pushing roller axle 22.
The first gear group 50 includes multiple travelling gears, is arranged at 32 liang of paper pushing roller axle 22 and paper delivery roller shaft Hold, a travelling gear engages in the first one-way transmission gear 41 and first gear group 50, and drive motor 80 is by driving the first tooth Wheel group 50 drives the first one-way transmission gear 41 of ratchet group 40 to drive paper pushing roller group 20 to rotate in one direction, drives Motor 80 is rotated by driving first gear group 50 to be driven paper delivery roller group 30 towards different directions.Specifically, first gear group 50 Including a drive gear 51 being connected with drive motor 80, one first travelling gear 52 and one second travelling gear 53, sliding tooth The first travelling gear 52 of engagement of wheel 51, the second travelling gear 53 engage the first travelling gear 52, and the first one-way transmission gear 41 is nibbled Close the second travelling gear 53.First gear group 50 is also fixedly connected on out including two intermeshing 3rd travelling gears 54 and one 4th travelling gear 55 of the one end of paper roller axle 32.Wherein one the 3rd travelling gear 54 engages the second travelling gear 53, Ling Yi Three travelling gears 54 engage the 4th travelling gear 55.First one-way transmission gear 41 is fixed on paper pushing roller axle 22, and the 4th passes Moving gear 55 is fixed on paper delivery roller shaft 32, thus, paper pushing roller 21 and goes out paper roller 31 and drive motor 80 turns to conversely. First gear group 50 also includes one the 5th travelling gear 56 and one the 6th travelling gear 57, and the 5th travelling gear 56 is fixedly connected on One end for being arranged the second one-way transmission gear 42 of paper pushing roller axle 22, the 6th travelling gear 57 are fixedly connected on paper delivery roller shaft 32 other end.
The second gear group 60 sets the one end of pickup roller group 10, and and is sheathed on the biography of the one end of paper pushing roller axle 22 Moving gear engages, drive motor 80 drive first gear group 50 be driven the first one-way transmission gear 41 to a direction rotates when, biography Dynamic paper pushing roller axle 22 is driven to a direction, is taken so as to which a travelling gear 56 of the drive sleeve located at the one end of paper pushing roller axle 22 drives Paper roller group 10 rotates to a direction.Specifically, second gear group 60 includes one the 7th travelling gear 61 and one and the 7th transmission The 8th one-way transmission gear 62 that gear 61 engages, the 7th travelling gear 61 engage the 5th travelling gear 56, the 8th single-direction transmission Gear 62 is fixedly connected on the one end of pickup roller group 10.
Fig. 3, Fig. 5 and Fig. 6 are referred to, the one-way clutch 70 is arranged at paper pushing roller axle 22 and paper delivery roller shaft 32 1 End, and be arranged between paper pushing roller axle 22 and paper delivery roller shaft 32.One-way clutch 70 includes one first clutch gear 71, one Second clutch gear 72, the one-way clutch gear 73 being arranged between the first clutch gear 71 and the second clutch gear 72 and It is arranged at the pressure stretch spring 74 of the side of the second clutch gear 72, the first clutch gear 71 and is sheathed on the one end of paper delivery roller shaft 32 One the 6th travelling gear 57 engages, the second clutch gear 72 and the second one-way transmission gear for being sheathed on the one end of paper pushing roller axle 22 42 engagements.Specifically, the first clutch gear 71 engages with the 6th travelling gear 57 for being sheathed on the one end of paper delivery roller shaft 32.Pressure stretch Spring 74 pushes down the second clutch gear 72 so that the second clutch gear 72 avoids rotating when dallying with clutch gear 73.It is and unidirectional Engageable second clutch gear 72 of clutch gear 73 causes the second clutch gear 72 can only be toward one-directional rotation.Specifically, first Clutch gear 71 has a first contact convex portion 711 towards the second clutch gear 72, and one-way clutch gear 73 has direction One inclined-plane 731 of the first clutch gear, when the first clutch gear 71 turns to the first contact convex portion 711 pushing and pressing one-way clutch tooth During the inclined-plane 731 of wheel 73, the first clutch gear 71 can drive the 72 equidirectional rotation of the second clutch gear.
Drive motor 80 can two-way drive first gear group 50, when 50 rotation direction difference of first gear group, the first tooth Wheel group 50 drives the 3rd travelling gear 54 to drive pickup roller group 10 to produce different rotation directions by the second travelling gear 53, First one-way transmission gear 41, the second one-way transmission gear 42 drive paper pushing roller axle 22 to be rotated towards different directions respectively.
Drive motor 80 is by driving first gear group 50 to drive the band of the first one-way transmission gear 41 of ratchet group 40 Dynamic paper pushing roller axle 22 rotates to a direction, so as to be driven second by the travelling gear for being sheathed on the one end of paper pushing roller axle 22 Gear train 60 rotates to a direction, so as to drive pickup roller group 10 to be rotated to a direction, meanwhile, drive motor 80 also drives the One gear train 50 transmission paper delivery roller shaft 32 is driven to a direction;Drive motor 80 is by driving first gear group 50 to drive second Travelling gear 53 drive paper pushing roller axle 22 to other direction rotate when, the first one-way transmission gear 41 is with paper pushing roller axle 22 Idle running, now paper pushing roller axle 22 does not turn, and drive motor 80 is by driving first gear group 50 to be driven paper delivery roller shaft 32 to another One direction rotate, so as to by be sheathed on the one end of paper delivery roller shaft 32 a travelling gear be driven one-way clutch 70 first from After conjunction gear 71 rotates a setpoint distance to a direction, one-way clutch gear 73 engages and drives the second clutch gear 72 to one Direction rotates, and after driving the second one-way transmission gear 42 to rotate a setpoint distance to another direction, drive motor 80 changes Become rotation direction, drive motor 80 starts to drive first gear group 50 to be driven paper pushing roller axle 22 and paper delivery roller shaft 32 to a side To rotation.
Fig. 1 to Fig. 4 is referred to, the utility model transmission device 100 and automatic sheet feeder 200 carry out the dynamic of paper scanning It is as follows to make flow:
When automatic sheet feeder 200 starts action, paper enters from the rear end of automatic sheet feeder 200.Drive motor 80 inverts Drive gear 51 is driven to invert, drive gear 51 is by the first travelling gear 52, the second travelling gear 53 and the 3rd travelling gear 54 the first one-way transmission gears 41 of drive and the 4th travelling gear 55 rotate forward, and now, the first one-way transmission gear 41 is in engagement State, the first one-way transmission gear 41 and the 4th travelling gear 55 are driving paper pushing roller axle 22 and paper delivery roller shaft 32 just respectively Turn so as to transport paper, the first one-way transmission gear 41 and the 5th travelling gear 56 rotate forward, and the engagement of the 5th travelling gear 56 drives 7th travelling gear 61 inverts, and the engagement of the 7th travelling gear 61 drives the main story of the 8th travelling gear 62, the band of the 8th travelling gear 62 Dynamic pickup roller group 10 rotates forward, and pickup roller group 10 rotates forward enters automatic sheet feeder 200 to capture next paper from rear.This When, the second one-way transmission gear 42 is in the state being disengaged from, and the second ratchet 42 is idling conditions when rotating forward, therefore not Kinetic moment can be passed on to paper pushing roller axle 22.Paper delivery roller shaft 32, which rotates forward, drives the 6th travelling gear 57 to rotate forward so as to drive first Clutch gear 71 inverts, but because now the first clutch gear 71 is in the state that is disengaged from, will not drive second from Gear 72 is closed to rotate, while, the second clutch gear 72 is pushed down by pressure stretch spring 74, therefore will not also be rotated.Paper pushing roller axle 22 and paper delivery roller shaft 32 rotate forward so as to transport paper from the front end of automatic sheet feeder 200 discharge.
Fig. 1 to Fig. 4 is referred to, what the utility model transmission device 100 and automatic sheet feeder 200 were scanned to card Motion flow is as follows:
When automatic sheet feeder starts action, card enters from the front end of automatic sheet feeder 200.Drive motor 80, which rotates forward, to be passed through First gear group 50 drives out paper roller 31 to invert and initially entered so as to transport card by the front of automatic sheet feeder 200, now, the One one-way transmission gear 41 is in the state being disengaged from, and therefore, the first one-way transmission gear 41 will not drive paper pushing roller axle 22 are rotated, and the second clutch gear 72 is pushed down by pressure stretch spring 74, therefore will not also be rotated, therefore will not drive the second one-way transmission gear 42.Paper delivery roller shaft 32 reversion drive the 6th travelling gear 57 invert so as to drive the first clutch gear 71 to rotate forward, now due to First contact convex portion 711 is no and inclined-plane 731 contacts, therefore the first contact convex portion 711 can not push against one-way clutch gear 73, So as to the positive idle running of the first clutch gear 71, without driving the second clutch gear 72 to rotate, card by paper delivery roller shaft 32 after It is continuous to drive back at paper pushing roller 21.Now, the first clutch gear 71 still in idle running displacement in, paper pushing roller axle 22 It will not still rotate, and paper delivery roller shaft 32 continues to drive card to be moved rearwards, there is skidding in card, makes the end edge of card Paper pushing roller 21 is pushed against, so as to have the function that correction card is crooked.First clutch gear 71 idle running displacement terminate after, first from The the first contact convex portion 711 for closing gear 71 starts to push against the inclined-plane 731 of one-way clutch gear 73, so as to drive the second clutch tooth Wheel 72 rotates forward, and the second clutch gear 72 engages the second ratchet 42 and inverted, and drives paper pushing roller axle 22 to invert, and drive first is single Reversely dallied to gear 41, i.e. the first ratchet 41 be in idling conditions when inverting, the drive card of paper pushing roller 21 continue to Conveyance is until when paper pushing roller 21 is left in the rear end of card afterwards, and drive motor 80 stops rotating forward, the stop reverse of paper pushing roller axle 22. Then, drive motor 80 starts to invert, by the first driving gear set 50 drive paper pushing roller 21 and go out paper roller 31 rotate forward from And transport card and be scanned until being discharged after the completion of surface sweeping from front.
As described above, the utility model transmission device 100 is sheathed on paper pushing roller axle 22 1 by the first ratchet 41 End, 41 positive single-turn of the first ratchet, it is idle running during reversion, the fixed cover of the 5th travelling gear 56 is located at paper pushing roller axle 22 The other end, the second ratchet 42 are arranged the other end with paper pushing roller axle 22;One-way clutch 70 is located at paper delivery roller shaft 32 Between paper pushing roller axle 22, the first clutch gear 71 and fixed cover are located at the 6th travelling gear of the other end of paper delivery roller shaft 32 57 engagements, the second clutch gear 62 engage with the second ratchet 42 for being sheathed on the other end of paper pushing roller axle 22;First is unidirectional Gear 41 is unidirectionally rotated forward, and reversion is unidirectionally inverted for idle running, the second ratchet 42, and rotating forward is for idle running.
Therefore, when drive motor 80 inverts, it is driven by first gear group 50, the first ratchet 41, which rotates forward, drives paper feeding Roller 21 rotates forward, and goes out paper roller 31 and rotates forward, and the 5th travelling gear is driven pickup roller group 10 by second gear group 60 and rotated forward, I.e. paper pushing roller 21 rotates forward, and goes out paper roller 31 and rotates forward, and pickup roller group 10 rotates forward, and manuscript paper passes through scanning.
And when drive motor 80 rotates forward, be driven by first gear group 50, the first ratchet 41 reversely idle running without Paper pushing roller 21 can be driven to invert, go out paper roller 31 and invert, and the be driven by second gear group 60 in one-way clutch 70 One clutch gear 71 is rotated forward, and card is brought into, and card is sent at actionless paper pushing roller 21, the end edge pushing and pressing of card Paper pushing roller 21, it is crooked so as to have the function that to correct card, after the first clutch gear 71 has rotated forward setpoint distance, the first clutch First contact convex portion 711 of gear 71 pushes against the inclined-plane 731 of one-way clutch gear 73, and makes one-way clutch gear 73 and the Two clutch gears 72 engage and drive the second clutch gear 72 to rotate forward, and drive the second ratchet 42 to invert, and drive paper pushing roller Axle 22 inverts, and drives the first ratchet 41 reversely to dally, i.e. the first ratchet 41 is in idling conditions, paper feeding rolling when inverting Wheel 21 and go out paper roller 31 and invert when the rear end of card transport to card is left into paper pushing roller 21, drive motor stops rotating forward. Then, drive motor 80 starts to invert, by the first driving gear set 50 drive paper pushing roller 21 and go out paper roller 31 rotate forward from And transport card and be scanned until being discharged after the completion of surface sweeping from front.In addition, the utility model transmission device 100 passes through one Drive motor 80 can drive pickup roller group 10, paper pushing roller group 20 and paper delivery roller group 30 simultaneously, avoid using multiple drivings Motor control, so as to save cost.

Claims (4)

  1. A kind of 1. transmission device, it is characterised in that:The transmission device includes being installed on an automatic sheet feeder:
    One pickup roller group;
    One paper pushing roller group, including paper pushing roller and paper pushing roller axle;
    One paper delivery roller group, including go out paper roller and paper delivery roller shaft;And
    One drive motor, for driving pickup roller group, paper pushing roller group and paper delivery roller group;
    One ratchet group, including the first one-way transmission gear and the second one-way transmission gear, the first one-way transmission gear are arranged In paper pushing roller axle one end, the second one-way transmission gear is sheathed on the paper pushing roller axle other end, the first one-way transmission gear and Two one-way transmission gears are towards different directions unidirectional drive paper pushing roller axle;
    One first gear group, including multiple travelling gears, it is arranged at paper pushing roller axle and paper delivery roller shaft both ends, the first unidirectional biography A travelling gear engages in moving gear and first gear group, and drive motor is by driving first gear group to drive ratchet group First one-way transmission gear drives paper pushing roller group to rotate in one direction, and drive motor is by driving first gear group to be driven out Paper roller group rotates towards different directions;
    One second gear group, pickup roller group one end is arranged at, and is nibbled with the travelling gear for being sheathed on paper pushing roller axle one end Close, drive motor first gear group be driven the first one-way transmission gear to a direction rotates when, transmission paper pushing roller is axial One direction is driven, so as to which a travelling gear of the drive sleeve located at the paper pushing roller axle other end drives pickup roller group to turn to a direction It is dynamic;
    One one-way clutch, paper pushing roller axle and paper delivery roller shaft one end are arranged at, and are arranged at paper pushing roller axle and paper delivery rolling Between wheel shaft, including one first clutch gear, one second clutch gear and it is arranged at the first clutch gear and the second clutch gear Between an one-way clutch gear and be arranged at the pressure stretch spring of the second clutch gear side, the first clutch gear and be sheathed on The one travelling gear engagement of paper delivery roller shaft one end, the second clutch gear and the second unidirectional biography for being sheathed on paper pushing roller axle one end Moving gear engages, and pressure stretch spring pushes down the second clutch gear so that the second clutch gear avoids turning when dallying with clutch gear It is dynamic, and engageable second clutch gear of one-way clutch gear causes the second clutch gear can only be toward one-directional rotation.
  2. 2. transmission device as claimed in claim 1, it is characterised in that:The first gear group is connected including one with drive motor Drive gear, one first travelling gear and one second travelling gear, drive gear engages the first travelling gear, the second driving cog Wheel the first travelling gear of engagement, the first one-way transmission gear engage the second travelling gear, and first gear group is also mutually nibbled including two The 3rd travelling gear and one closed is fixedly connected on the 4th travelling gear of paper delivery roller shaft one end, wherein one the 3rd travelling gear The second travelling gear is engaged, another 3rd travelling gear engages the 4th travelling gear.
  3. 3. transmission device as claimed in claim 1, it is characterised in that:The second gear group include one the 7th travelling gear and One the 8th travelling gear engaged with the 7th travelling gear, the 7th travelling gear engage the 5th travelling gear, the 8th travelling gear It is fixedly connected on pickup roller group one end.
  4. 4. transmission device as claimed in claim 1, it is characterised in that:First clutch gear has one towards the second clutch First contact convex portion of gear, one-way clutch gear has the inclined-plane towards the first clutch gear, when the first clutch gear When turning to the inclined-plane of the first contact convex portion pushing and pressing one-way clutch gear, the first clutch gear drives the second clutch gear Tongfang To rotation.
CN201720534221.6U 2017-05-12 2017-05-12 Transmission device Active CN206751017U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720534221.6U CN206751017U (en) 2017-05-12 2017-05-12 Transmission device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720534221.6U CN206751017U (en) 2017-05-12 2017-05-12 Transmission device

Publications (1)

Publication Number Publication Date
CN206751017U true CN206751017U (en) 2017-12-15

Family

ID=60618128

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720534221.6U Active CN206751017U (en) 2017-05-12 2017-05-12 Transmission device

Country Status (1)

Country Link
CN (1) CN206751017U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108891880A (en) * 2018-08-21 2018-11-27 深圳市鹰慧科技有限公司 A kind of two-way clutch driving structure and its traversing platform of loading and unloading

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108891880A (en) * 2018-08-21 2018-11-27 深圳市鹰慧科技有限公司 A kind of two-way clutch driving structure and its traversing platform of loading and unloading
CN108891880B (en) * 2018-08-21 2023-09-01 广东坤川实业有限公司 Bidirectional clutch driving structure and feeding and discharging transverse moving platform thereof

Similar Documents

Publication Publication Date Title
US9434563B2 (en) Image recording apparatus
JP4443575B2 (en) Paper feeder
US9776433B2 (en) Conveyor and image recording apparatus
JP3130032U (en) Drive roller assembly for paper feeder
US7594652B2 (en) Separation system
CN1792752A (en) File feeding device and image reading device
CN206751017U (en) Transmission device
TWI465345B (en) Automatic document feeder
JPH0365862A (en) Original carrier reader
CN103994192B (en) The actuating device of automatic paper conveying apparatus
TWM550692U (en) Transmitting device
US8714548B2 (en) Image recording apparatus
CN103716495B (en) Image-reading device
US6134417A (en) Automatic document feeding apparatus for simplex, duplex and 2-in-1 document handling
TWI469601B (en) Duplex scanning device
CN205471777U (en) Automatic transmission of feeder
JP3188874U (en) Automatic document feeder transmission capable of correcting document distortion
US9981814B1 (en) Transmission device
JP5496379B1 (en) Automatic document feeder transmission
EP1803585B1 (en) Inserter having a motor and a controlled coupling
JP3211751U (en) Transmission device
TWI551809B (en) Automatic document feeder
TWI508865B (en) Transmitting device for automatic document feeder
CN204810377U (en) Scanning device with function is corrected to paper
TWM483181U (en) Transmitting device for automatic document feeder with deskew function

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant