CN102256037A - Scanning mechanism - Google Patents
Scanning mechanism Download PDFInfo
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- CN102256037A CN102256037A CN2010101812446A CN201010181244A CN102256037A CN 102256037 A CN102256037 A CN 102256037A CN 2010101812446 A CN2010101812446 A CN 2010101812446A CN 201010181244 A CN201010181244 A CN 201010181244A CN 102256037 A CN102256037 A CN 102256037A
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- scanning element
- track
- sweep mechanism
- bearing
- driving member
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Abstract
The invention relates to a scanning mechanism, which comprises a scanning unit, a track and a driving element, wherein the scanning unit is provided with a jointing part and a bearing part and arranged on the track in a sliding way by the bearing part; the driving element is connected to the jointing part of the scanning unit to drive the scanning unit to slide along the track; and the orthographic projection of the jointing part on the track is superposed with that of the bearing part on the track. The scanning unit of the scanning mechanism provided by the invention can move smoothly to further improve the image scanning quality of the scanning mechanism.
Description
Technical field
The present invention relates to a kind of sweep mechanism, relate in particular to a kind of sweep mechanism of optical scanner module.
Background technology
Along with the progress of software and hardware, scanner has become one of basic outfit of many computer users, and it can be with literal or pictorial data such as file, magazine, books, pictures, and scanning input computer is also handled.
In various scanners, platform-type scanner is the most frequently used a kind of.When desire scans file, need motor, be arranged on transmission mechanisms such as gear train on the scanning element and driving belt and drive scanning element, and scanning element is slided along an axis of guide, so that the object that is placed horizontally at the scanning element top is scanned.
Yet in this mechanism, because above-mentioned these motors, driving belt and gear train are arranged on a side of the axis of guide usually, and and the axis of guide between have a distance, therefore when motor during via driving belt drive scanning element, driving belt can cause moment of torsion to scanning element.This moment of torsion can make scanning element move along the axis of guide abreast, allows the displacement of the relative both sides of scanning element gap occur, and then the image quality instability that causes scanning to come out.
Summary of the invention
Its scanning element the purpose of this invention is to provide a kind of sweep mechanism, so that can move smooth-goingly.
One embodiment of the invention provide a kind of sweep mechanism, and it comprises one scan unit, a track and a driving member.Scanning element has a junction surface and a bearing and leaning portion, and wherein scanning element disposes in orbit slidably by bearing and leaning portion.Driving member is connected to the junction surface of scanning element, slides along the track to drive scanning element.Junction surface orthographic projection and bearing and leaning portion orthographic projection in orbit in orbit is overlapped.
In one embodiment of this invention, above-mentioned junction surface and the bearing and leaning portion central authorities that are positioned at scanning element in fact.
In one embodiment of this invention, above-mentioned scanning element has relative two sides, and driving member is a belt.One end of belt is connected to one of them of side of scanning element, and the other end of belt is walked around track and be connected to wherein another of the side of scanning element.
In one embodiment of this invention, above-mentioned belt and track are in the same plane in fact.
In one embodiment of this invention, above-mentioned sweep mechanism also comprises a base, is configured in the below of scanning element, wherein above-mentioned track by from base towards the extended projection of scanning element.
In one embodiment of this invention, above-mentioned sweep mechanism also comprises a guide post, is configured in the below of scanning element, bears against the part pole face on this guide post and above-mentioned track is a bearing and leaning portion.
In one embodiment of this invention, above-mentioned guide post has a hollow bulb, and belt passes hollow bulb and is connected to scanning element.
Based on above-mentioned, in the above embodiment of the present invention, because the junction surface that scanning element is connected with driving member, reach the bearing and leaning portion that scanning element and track couple, its orthographic projection in orbit is overlapped, and therefore when driving member slid along the track in the driven sweep unit, the mutual configuration relation of this kind made driving member can not produce the moment of torsion that scanning element is caused beat, thereby this sweep mechanism can make its scanning element slide along the track abreast, and then promotes the scanning quality of scanning element.
For above-mentioned feature and advantage of the present invention can be become apparent, embodiment cited below particularly, and conjunction with figs. is described in detail below.
Description of drawings
Fig. 1 is the schematic diagram of a kind of sweep mechanism of one embodiment of the invention.
Fig. 2 is the part sectioned view of a kind of sweep mechanism of another embodiment of the present invention at driving member and track place.
Fig. 3 is the schematic diagram of a kind of sweep mechanism of another embodiment of the present invention.
The main element symbol description:
100,300: sweep mechanism; 110: scanning element;
112: the junction surface; 114: bearing and leaning portion;
120,320: track; 122: hollow bulb;
130,230: driving member; 140: the transmission module;
142: motor; 144: belt gear;
146: belt pulley; 350: base;
E1: first side; E2: second side;
P1: plane.
Embodiment
Fig. 1 is the schematic diagram of a kind of sweep mechanism of one embodiment of the invention.Please refer to Fig. 1, in the present embodiment, sweep mechanism 100 is to be applied in the one scan device (not shown).Sweep mechanism 100 comprises one scan unit 110, a track 120 and a driving member 130.Scanning element 110 for example is charge coupled cell (the charge coupled device of a group pattern formula; Abbreviate as: CCD) (not shown), in order to the object (not shown) is carried out the optics sensing to reach the purpose of image scan.Scanning element 110 has a junction surface 112 and a bearing and leaning portion 114, and wherein scanning element 110 is configured on the track 120 slidably by bearing and leaning portion 114.Driving member 130 is connected to the junction surface 112 of scanning element 110, slides along track 120 to drive scanning element 110.
Details are as follows more in addition, in the present embodiment, driving member 130 for example is a belt, and the one end is connected in one first side E1 of scanning element 110, and its other end is walked around track 120 and be connected in the one second side E2 of scanning element 110 with respect to the first side E1.In the present embodiment, driving member 130 for example is to be connected on the junction surface 112 of scanning element 110 by a fixture (not shown).Moreover junction surface 112 and bearing and leaning portion 114 are positioned at the centre of scanning element 110 in fact.Present embodiment does not limit the structure external form of driving member 130 and is connected to the mechanism of scanning element 110.In another unshowned embodiment of the present invention, driving member also can be a rope or refining bar, and fixture is also had some change along with the kind difference of driving member.
In addition, in the present embodiment, sweep mechanism 100 comprises a transmission module 140, and transmission module 140 comprises a motor 142, a belt gear 144, a belt pulley 146 and above-mentioned driving member 130.Belt gear 144 is configured on the motor 142, and driving member 130 is engaged on the belt gear 144, and supports driving member 130 by belt pulley 146.Belt pulley 146 also has an adjusting mechanism (not shown), uses as the usefulness of adjusting belt tension.Present embodiment does not limit the form of motor 142 in the transmission module 140, belt gear 144 and belt pulley 146, still has other can be in order to driving the mode of driving member 130, and the foregoing description only is one of them of the numerous embodiment of the present invention.
In addition, the present invention does not limit junction surface 112 and bearing and leaning portion 114 yet and is positioned at position on the scanning element 110, in another unshowned embodiment of the present invention, all meet in track 120, junction surface 112 and bearing and leaning portion 114 and to be positioned at same plane and junction surface 112 is positioned under the prerequisite directly over the bearing and leaning portion 114, junction surface 112 and bearing and leaning portion 114 also can be positioned at any side of scanning element 110, and promptly track 120 can be by any side of scanning element 110.
In the present embodiment, track 120 for example is a guide post, it is positioned at the below of scanning element 110, and scanning element 110 is coupled on the part pole face of guide post by bearing and leaning portion 114, and driving member 130 in fact all is positioned on the plane P 1 with track 120, make driving member 130 be applied to strength on the scanning element 110 and be parallel to track 120 and be positioned on this plane P 1, can not cause the moment of torsion that makes its beat scanning element 110 to guarantee driving member 130.Moreover track 120 has a hollow bulb 122, and wherein driving member 130 passes this hollow bulb 122 and is connected to scanning element.
But present embodiment is not limited this, and Fig. 2 is the part sectioned view of a kind of sweep mechanism of another embodiment of the present invention at driving member and track place.Please refer to Fig. 2, different with the foregoing description is, the driving member 230 of present embodiment is walked around the hollow bulb 122 of track 120, and promptly the belt in the present embodiment is centered around the top and the below of guide post, and this measure can reach effect same as the previously described embodiments equally.
In view of the above, the present invention is not limited the structure external form of track 120.In another unshowned embodiment of the present invention, track also can be the guide post with other different section shapes.
Moreover Fig. 3 is the schematic diagram of a kind of sweep mechanism of another embodiment of the present invention.Please refer to Fig. 3, in the present embodiment, sweep mechanism 300 comprises driving member same as the previously described embodiments 130 and scanning element 110, and the difference is that sweep mechanism 300 also comprises a base 350, and it is configured in scanning element 110 belows.Track 320 is towards scanning element 110 extended projections from base 350.In view of the above, scanning element 110 can be coupled on the track 320 slidably by bearing and leaning portion 114, moreover 130 belows from base 350 of driving member are passed to be connected to scanning element 110.
By the embodiment of the embodiment of above-mentioned Fig. 1 and Fig. 3 as can be known, the present invention does not limit the structure external form of track 120, track 320, and any track 120 (or track 320) and junction surface 112, bearing and leaning portion 114 of making is positioned at same plane person, all applicable to the present invention.In other words, the designer can be according to the space in the scanner and the kind of drive and the structure external form of track 120, track 320 is changed, or track 120, track 320 are carried out suitable combining with other members in the scanner.
In sum, in the above embodiment of the present invention, sweep mechanism overlaps each other by the orthographic projection in orbit of its junction surface, bearing and leaning portion, to cause all in the same plane and allocative effect of junction above bearing and leaning portion of this three.So, can not produce when the scanning element transmission part drives and allow the moment of torsion of scanning element beat, and then scanning element can be slid along the track abreast.This measure can allow the displacement unanimity of relative both sides in the unit interval of scanning module, promoting the stability of scanning element when sliding effectively, and then improves the image scanning quality of sweep mechanism.
Though the present invention discloses as above with embodiment; but it is not in order to qualification the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; can suitably change or be equal to replacement, so protection scope of the present invention should be as the criterion with the scope that claims were defined.
Claims (7)
1. a sweep mechanism is characterized in that, comprising:
The one scan unit has a junction surface and a bearing and leaning portion;
One track, described scanning element are configured on the described track slidably by bearing and leaning portion; And
One driving member is connected to the described junction surface of described scanning element, and described driving member drives described scanning element and slides along described track, and wherein said junction surface is overlapped in orthographic projection on the described track and the orthographic projection of described bearing and leaning portion on described track.
2. sweep mechanism according to claim 1 is characterized in that, described bearing and leaning portion and described junction surface are positioned at the central authorities of described scanning element in fact.
3. sweep mechanism according to claim 1, it is characterized in that, described scanning element has relative two sides, and described driving member is a belt, one end of described belt is connected to one of them of described two sides of described scanning element, and the other end of described belt is walked around described track and wherein another of the described two sides that are connected to described scanning element.
4. sweep mechanism according to claim 3 is characterized in that, described belt and described track are in the same plane in fact.
5. sweep mechanism according to claim 3 is characterized in that, also comprises:
One base is configured in the below of described scanning element, and described track by from described base towards the extended projection of described scanning element.
6. sweep mechanism according to claim 3 is characterized in that, also comprises:
One guide post is configured in the below of described scanning element, bears against the part pole face on the described guide post and described track is described bearing and leaning portion.
7. sweep mechanism according to claim 6 is characterized in that described guide post has a hollow bulb, and described belt passes described hollow bulb and is connected to described scanning element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010181244.6A CN102256037B (en) | 2010-05-17 | 2010-05-17 | Scanning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010181244.6A CN102256037B (en) | 2010-05-17 | 2010-05-17 | Scanning mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102256037A true CN102256037A (en) | 2011-11-23 |
| CN102256037B CN102256037B (en) | 2014-06-18 |
Family
ID=44983015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010181244.6A Expired - Fee Related CN102256037B (en) | 2010-05-17 | 2010-05-17 | Scanning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102256037B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103158372A (en) * | 2011-12-12 | 2013-06-19 | 泰金宝电通股份有限公司 | Transmission module and transaction machine using the same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2419612Y (en) * | 2000-04-19 | 2001-02-14 | 宋昕 | Scanner with improved lens moving machanism |
| CN2676299Y (en) * | 2003-12-31 | 2005-02-02 | 德茂科技股份有限公司 | Flat-bed scanner with penetrative scan function |
| CN1744653A (en) * | 2004-09-04 | 2006-03-08 | 三星电子株式会社 | Scanner and imaging device with scanner |
-
2010
- 2010-05-17 CN CN201010181244.6A patent/CN102256037B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2419612Y (en) * | 2000-04-19 | 2001-02-14 | 宋昕 | Scanner with improved lens moving machanism |
| CN2676299Y (en) * | 2003-12-31 | 2005-02-02 | 德茂科技股份有限公司 | Flat-bed scanner with penetrative scan function |
| CN1744653A (en) * | 2004-09-04 | 2006-03-08 | 三星电子株式会社 | Scanner and imaging device with scanner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103158372A (en) * | 2011-12-12 | 2013-06-19 | 泰金宝电通股份有限公司 | Transmission module and transaction machine using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102256037B (en) | 2014-06-18 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Granted publication date: 20140618 Termination date: 20160517 |