CN201458397U - Paper feeding device with function of stopping paper and scanning device using same - Google Patents
Paper feeding device with function of stopping paper and scanning device using same Download PDFInfo
- Publication number
- CN201458397U CN201458397U CN2009200728437U CN200920072843U CN201458397U CN 201458397 U CN201458397 U CN 201458397U CN 2009200728437 U CN2009200728437 U CN 2009200728437U CN 200920072843 U CN200920072843 U CN 200920072843U CN 201458397 U CN201458397 U CN 201458397U
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- paper
- rotating shaft
- blocking mechanism
- advance unit
- retaining
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Abstract
A paper feeding device with function of stopping paper comprises a rotation shaft, a paper feeding roller and a paper stopping mechanism, wherein the rotation shaft can rotate in a first direction and a second direction, and the paper feeding roller is installed on the rotation shaft for feeding paper. The paper stopping mechanism driven by the rotation shaft is switched between a paper stopping state and a non-paper-stopping state. The rotation shaft rotates to the first direction, and enables the paper stopping mechanism to enter the non-paper-stopping state, and thereby paper can be contacted with the paper feeding roller. The rotation shaft rotates to the second direction, and enables the paper stopping mechanism to enter the paper stopping state, and thereby the paper is separate from the paper feeding roller. The utility model simultaneously discloses a scanning device using the paper feeding device.
Description
Technical field
The utility model is about a kind of paper-advance unit and scanner, especially about a kind of paper-advance unit and scanner with retaining paper function.
Background technology
Image processing arrangements such as present multi-functional things machine or scanning device all develop towards the target of miniaturization and attractive in appearanceization.Therefore, the designer may or reach special outward appearance demand for the volume that dwindles product, and the paper feed tray design is become horizontality, and increases paper-fetching mechanism and grasp paper on the paper feed pallet.
Yet paper-fetching mechanism must cooperate paper blocking mechanism to operate, and enters into paper-feeding channel to avoid not crawled paper.Traditional paper blocking mechanism is normally with the paper-fetching mechanism interlock or driven by driving lever separately, and traditional paper blocking mechanism must move to first dead center, and therefore a sensor need be set guarantees whether the action of paper blocking mechanism is certain.In addition, paper blocking mechanism need cooperate spring usually or utilize the elasticity of self to be returned to retaining paper state or non-retaining paper state, therefore, needs bigger driving torsion so that paper blocking mechanism is moved to first dead center.When using the type of drive of driving lever, the cost that the increase product is set of driving lever.When using the type of drive of interlock, the pickup roller of paper blocking mechanism and paper-fetching mechanism can interact, and the variable of required consideration is more in the design, and comparatively complicated in the design, the power of CD-ROM drive motor also needs bigger.Moreover the volume after traditional paper-fetching mechanism and the paper blocking mechanism combination also can't be reduced effectively.
Therefore, provide a kind of paper-advance unit and scanner that has retaining paper function easily, real is the solution that the utility model institute desire realizes.
The utility model content
A purpose of the present utility model provides a kind of paper-advance unit and scanner with retaining paper function, and it has smaller volume and lower cost, and does not need to use high-performance motor to drive.
For reaching above-mentioned purpose, the utility model provides a kind of paper-advance unit with retaining paper function, and it comprises rotating shaft, paper-feed and paper blocking mechanism.Rotating shaft can be rotated towards first direction and second direction.Paper-feed is installed in the rotating shaft, in order to paper feeding.Paper blocking mechanism is driven by rotating shaft and switches between retaining paper state and non-retaining paper state.Rotating shaft makes paper blocking mechanism enter non-retaining paper state when first direction rotates, and touches paper-feed to allow paper.Rotating shaft is rotated towards second direction and is made paper blocking mechanism enter retaining paper state, so that paper and paper-feed are isolated.
The utility model also provides a kind of scanner, comprises image read module, sheet feeding, paper box and paper-advance unit.Paper-advance unit is in order to grab the paper in the paper box in the sheet feeding.The sheet feeding paper feeding is by the image read module, and the image of image read module acquisition paper.Paper-advance unit comprises rotating shaft, paper-feed and paper blocking mechanism.Rotating shaft can be rotated towards first direction and second direction.Paper-feed is installed in the rotating shaft, in order to paper feeding.The paper blocking mechanism that is driven by rotating shaft switches between retaining paper state and non-retaining paper state.Rotating shaft is rotated towards first direction and is made paper blocking mechanism enter non-retaining paper state, touches paper-feed to allow paper.Rotating shaft is rotated towards second direction and is made paper blocking mechanism enter retaining paper state, so that paper and paper-feed are isolated.
For foregoing of the present utility model can be become apparent, preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
Description of drawings
Fig. 1 shows the scheme drawing according to the scanner of the utility model preferred embodiment.
Fig. 2 shows the schematic perspective view according to the paper-advance unit of the utility model preferred embodiment.
Fig. 3 shows the schematic perspective view according to first state of the paper-advance unit of the utility model preferred embodiment.
Fig. 4 shows the side schematic view according to first state of the paper-advance unit of the utility model preferred embodiment.
Fig. 5 shows the schematic perspective view according to second state of the paper-advance unit of the utility model preferred embodiment.
Fig. 6 shows the side schematic view according to second state of the paper-advance unit of the utility model preferred embodiment.
Fig. 7 shows the partial schematic diagram according to first state of the paper-advance unit of the utility model preferred embodiment.
Fig. 8 shows the partial schematic diagram according to second state of the paper-advance unit of the utility model preferred embodiment.
[primary clustering nomenclature]
S: paper D1: first direction
D2: second direction 10: frame assembly
12: framework 121: side
122: projection 14: side plate spare
142: the second grooves of 141: the first grooves
15: paper-feeding channel 20: rotating shaft
21: drive division 22: protuberance
23: recess 30: comber
40: pickup roller 41: main shaft
50: 51: the first bodies of paper blocking mechanism
62: the second gears of 61: the first gears
110: image read module 120: sheet feeding
130: paper box 140: paper-advance unit
150: friction element
The specific embodiment
The utility model provides a kind of scanner that has the paper-advance unit of retaining paper function and use it.Below describe conjunction with figs. the paper-advance unit and the scanner of preferred embodiment of the present utility model in detail.
Fig. 1 shows the scheme drawing according to the scanner of the utility model preferred embodiment.As shown in Figure 1, the scanner of present embodiment comprises pedestal 100, image read module 110, sheet feeding 120, paper box 130 and paper-advance unit 140.Image read module 110 and sheet feeding 120 are arranged in the pedestal 100.Paper box 130 and paper-advance unit 140 are mounted on the pedestal 100.Paper box 130 can be deposited plural paper S.Paper-advance unit 140 is in order to be fed to the wherein paper S in the paper box 130 in the sheet feeding 120.Sheet feeding 120 transmits paper S by image read module 110, and the image of image read module 110 acquisition paper S.
Fig. 2 shows the schematic perspective view according to the paper-advance unit of the utility model preferred embodiment.Fig. 3 and 4 shows schematic perspective view and the side schematic view according to first state of the paper-advance unit of the utility model preferred embodiment respectively.Shown in Fig. 1 to 4, paper-advance unit 140 comprises rotating shaft 20, paper-feed 30 and paper blocking mechanism 50.Rotating shaft 20 can be rotated towards first direction D 1 and second direction D2.In the present embodiment, first direction D1 is a clockwise direction, and second direction D2 is an anticlockwise direction, and right the utility model is not subject to this.
Paper-feed 30 is mounted in the rotating shaft 20, in order to paper feeding S.In the present embodiment, paper-feed 30 is and friction element (being friction pad for example) 150 combineds action, so that single paper S is fed to sheet feeding 120.Sheet feeding 120 comprises many group rollers, in order to paper S is presented the top by image read module 110, then this paper S is exported.Paper blocking mechanism 50 is driven by rotating shaft 20 and switch between retaining paper state and non-retaining paper state.After this details will be illustrated in.
In addition, paper-advance unit 140 can more comprise pickup roller 40 and frame assembly 10.Pickup roller 40 is in order to grasp paper S from paper box 130.Frame assembly 10 is mounted in the rotating shaft 20, and comprises framework 12 and and side plate spare 14.Pickup roller 40 is arranged on the frame assembly 10, and rotating shaft 20 is rotated and pickup roller 40 can be swung with respect to paper-feed 30.Whereby, pickup roller 40 can descend to grasp paper S, also can be lifted to rest on standby, and when treating that next paper needs is crawled, pickup roller 40 can descend once more to grasp next paper.Side plate spare 14 can be used for paper-advance unit 140 is fixed on the pedestal 100.
Be equiped with first gear 61 in the rotating shaft 20, be equiped with second gear 62 on the framework 12, and be equiped with the 3rd gear 63, the second gears 62 on the main shaft 41 of pickup roller 40 be and first gear 61 and 63 interlocks of the 3rd gear, so that pickup roller 40 can swing up and down along with the rotation of rotating shaft 20.
Fig. 5 and 6 shows schematic perspective view and the side schematic view according to second state of the paper-advance unit of the utility model preferred embodiment respectively.Shown in Fig. 3 to 6, paper-feed 30 and pickup roller 40 are mounted in the framework 12.Side plate spare 14 is mounted in the rotating shaft 20, and is articulated in framework 12, and paper blocking mechanism 50 is to be articulated on the side plate spare 14.In the present embodiment, side plate spare 14 is to be articulated on the side 121 of framework 12.Be formed with projection 122 on the side 121, side plate spare 14 has first groove 141.Projection 122 is to be contained in first groove 141, with limiting frame 12 with respect to one of side plate spare 14 anglec of rotation.Paper blocking mechanism 50 comprises first body 51 and second body 52.Paper blocking mechanism 50 can comprise cylinder 59 in addition, and it is to be contained in slidably in second groove 142 of side plate spare 14.
Fig. 7 and 8 shows respectively according to first state of the paper-advance unit of the utility model preferred embodiment and the partial schematic diagram of second state.Shown in Fig. 7 and 8, paper-advance unit more comprises drive division 21, and it is set in the rotating shaft 20, and along with rotating shaft 20 is rotated, in order to when rotating shaft 20 is rotated, to drive first body 51.Drive division 21 has recess 23 or protuberance 22.Recess 23 or protuberance 22 that first body 51 has the other end 512 and drive division 21 interact, to drive first body 51.The end 522 that second body 52 is articulated in an end 511, the second bodies 52 of first body 51 is in order to stop the retaining paper end of paper.In the present embodiment, cylinder 59 is positioned at the other end 521 of second body 52.Drive division 21 also can have the outer ring that a plurality of recesses or protuberance compartment of terrain are distributed in drive division 21, and thus, paper blocking mechanism 50 just can immediately switch its state when rotating shaft 20 change rotation directions.
Aforesaid first state is retaining paper state, and second state is non-retaining paper state. in general, when scanner does not have when carrying out scanning sequence, paper blocking mechanism 50 can be switched to retaining paper state, to avoid the user in paper box, to put the paper mistiming paper is directly inserted in the crack between paper-feed and the friction pad, cause the situation of plurality of sheets of paper paper feed. begin to carry out scanning sequence and work as scanner, paper blocking mechanism 50 just is switched to non-retaining paper state, from paper box, get paper with convenient paper-advance unit, and with paper one by one in the feed-in paper-feeding channel 15, to carry out the image scan step. when rotating shaft 20 when first direction D1 rotates, paper blocking mechanism 50 enters non-retaining paper state, to allow paper S to touch paper-feed 30. as Fig. 5, shown in 6 and 8, when switching to non-retaining paper state, drive division 21 rotates and drives first body 51 towards first direction D1, an end 522 that causes second body 52, the position of pressing board setting just, because contracted with the relation of first body, 51 interlocks, and cause from pickup roller 40 to the paper-feed passage 30 without any barrier, therefore paper S can successfully be fed to paper-feed 30. on the contrary, when rotating shaft 20 when second direction D2 rotates, paper blocking mechanism 50 enters retaining paper state, so that paper S and paper-feed 30 are isolated, avoid paper S to enter in the crack between paper-feed and the friction pad. as Fig. 3, shown in 4 and 7, when switching to retaining paper state, drive division 21 rotates and drives first body 51 towards second direction D2, cause an end 522 of second body 52 to stretch out, make paper S be blocked in before the paper-feed. in the present embodiment, being different from pressing board of the prior art is arranged on paper-feed and gets in the middle of paper rolls, paper blocking mechanism of the present utility model and pressing board thereof are mounted in the side of paper-feed. and pressing board of the present utility model, its retaining paper width is more much smaller than the paper-feed or the axial width of pickup roller.
In the utility model, the action of paper blocking mechanism is to utilize the appearance structure of element to control, and the susceptibility increase of paper blocking mechanism action, and rotating shaft just can be switched the state of paper blocking mechanism as long as conversion direction rotates a little.Utilize design of the present utility model, the overall volume of paper blocking mechanism can be reduced effectively.In addition, because also not needing to be provided with sensor, paper-advance unit do not come sensing to guarantee correct and certain retaining paper action, so can reduce productive costs.Moreover, the action of the retaining paper of paper blocking mechanism no longer with the direct relevance of having swung up and down of pickup roller, but control the retaining paper action of paper blocking mechanism by the rotation direction of rotating shaft.Paper blocking mechanism is to be independent of swing component (frame assembly and pickup roller), and does not have relevance with the angle of frame assembly.Therefore, when presenting plural paper, frame assembly and pickup roller can not need to swing up and down, but keep always and the paper state of contact, and whether the rotation of pickup roller can determine whether to grasp paper.Moreover the motor that drives paper blocking mechanism can not need to overcome bigger torsion, and the paper blocking mechanism of the required driving of motor is in light weight, therefore can avoid causing the risk of motor stall.
The specific embodiment that is proposed in the detailed description of preferred embodiment is only in order to convenient explanation technology contents of the present utility model, but not with the utility model narrow sense be limited in the foregoing description, in the situation that does not exceed spirit of the present utility model and claim, the many variations of being done is implemented, and all belongs to scope of the present utility model.
Claims (11)
1. the paper-advance unit with retaining paper function is characterized in that, comprises:
Rotating shaft can be rotated towards first direction and second direction;
Paper-feed is installed in the described rotating shaft, in order to paper feeding; And
By the paper blocking mechanism that described rotating shaft drives, driven by described rotating shaft and between retaining paper state and non-retaining paper state, switch, wherein:
Described rotating shaft is rotated towards described first direction and is made described paper blocking mechanism enter described non-retaining paper state, touches described paper-feed to allow described paper; And
Described rotating shaft is rotated towards described second direction and is made described paper blocking mechanism enter described retaining paper state, so that described paper and described paper-feed are isolated.
2. paper-advance unit as claimed in claim 1 is characterized in that, also comprises drive division, is set in the described rotating shaft, in order to when described rotating shaft is rotated, drives described paper blocking mechanism.
3. paper-advance unit as claimed in claim 2 is characterized in that described drive division has recess, in order to drive described paper blocking mechanism.
4. paper-advance unit as claimed in claim 2 is characterized in that described drive division has protuberance, in order to drive described paper blocking mechanism.
5. paper-advance unit as claimed in claim 2 is characterized in that, described paper blocking mechanism comprises:
First body, described first body is driven by described drive division; And
Second body is articulated in an end of described first body, and an end of described second body is retaining paper end.
6. paper-advance unit as claimed in claim 1 is characterized in that, also comprises:
Pickup roller is in order to grasp described paper; And
Frame assembly is installed in the described rotating shaft, and wherein said pickup roller is arranged on the described frame assembly, and described rotating shaft is rotated and described pickup roller can be swung with respect to described paper-feed.
7. paper-advance unit as claimed in claim 6 is characterized in that, described frame assembly comprises:
Framework, described paper-feed and described pickup roller are mounted in the described framework; And
Side plate spare is installed in the described rotating shaft, and is articulated in described framework, and described paper blocking mechanism is to be articulated on the described side plate spare.
8. paper-advance unit as claimed in claim 7 is characterized in that described framework has the side, and described side plate spare is articulated on the described side.
9. paper-advance unit as claimed in claim 8, it is characterized in that be formed with a projection on the described side, described side plate spare has first groove, described projection is to be contained in described first groove, to limit described framework with respect to one of described side plate spare anglec of rotation.
10. paper-advance unit as claimed in claim 8 is characterized in that described side plate spare has second groove, and described paper blocking mechanism has cylinder, and described cylinder is to be contained in slidably in described second groove.
11. a scanner is characterized in that, comprises:
The image read module;
Sheet feeding;
Paper box; And
As each described paper-advance unit among the claim 1-10, in order to the paper in the described paper box is grabbed in the described sheet feeding, described sheet feeding is presented described paper by described image read module, and described image read module captures the image of described paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200728437U CN201458397U (en) | 2009-05-22 | 2009-05-22 | Paper feeding device with function of stopping paper and scanning device using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200728437U CN201458397U (en) | 2009-05-22 | 2009-05-22 | Paper feeding device with function of stopping paper and scanning device using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201458397U true CN201458397U (en) | 2010-05-12 |
Family
ID=42385751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200728437U Expired - Lifetime CN201458397U (en) | 2009-05-22 | 2009-05-22 | Paper feeding device with function of stopping paper and scanning device using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201458397U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101891072B (en) * | 2009-05-22 | 2012-11-28 | 虹光精密工业（苏州）有限公司 | Paper feed device with function of retaining paper and scanning device using same |
-
2009
- 2009-05-22 CN CN2009200728437U patent/CN201458397U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101891072B (en) * | 2009-05-22 | 2012-11-28 | 虹光精密工业（苏州）有限公司 | Paper feed device with function of retaining paper and scanning device using same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100512 Effective date of abandoning: 20090522 |
|
| RGAV | Abandon patent right to avoid regrant |