CN2320830Y - Supporting mechanism for optical module set - Google Patents
Supporting mechanism for optical module set Download PDFInfo
- Publication number
- CN2320830Y CN2320830Y CN 97229596 CN97229596U CN2320830Y CN 2320830 Y CN2320830 Y CN 2320830Y CN 97229596 CN97229596 CN 97229596 CN 97229596 U CN97229596 U CN 97229596U CN 2320830 Y CN2320830 Y CN 2320830Y
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- carriage
- supporting mechanism
- supporting
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Abstract
The utility model relates to a supporting mechanism for an optical module set. The utility model comprises a bracket and a bias element; the optical module set is arranged on the bracket, the both ends of the bracket are respectively provided with a guide wheel, when the bracket marches in the longitudinal direction and bears oppression, the guide wheels roll on one bottom surface of a glass plate; the bias element is arranged on a supporting slide way in a movable mode respectively provides a horizontal bias pressure and a vertical bias pressure to oppress the bracket, the horizontal bias pressure make the bracket attached tightly to a longitudinal base level when the bracket marches in the longitudinal direction, and the vertical bias pressure makes the optical module set keep a fixed gap with the bottom face of the glass plate when the bracket marches in the longitudinal direction.
Description
The utility model relates to a kind of supporting mechanism of optics module.
See also shown in Figure 1, the optics module of existing scanner comprises an optics modular bay 20a substantially, carriage 20a has a space for holding an optics module (not shown), the optics module can packing engaging mode places in the carriage 20a space or places space in the carriage 20a with other as screw-in version, so the error of carriage 20a when moving all can influence the relativeness between optics module and the file to be scanned.Carriage 20a utilizes a sliding sleeve 21a movably to be socketed on the guide rod 10a, and guide rod 10a is fixed on the support (not shown) of scanner.In the opposite end of this sliding sleeve 21a, the bottom of optics modular bay 20a then is provided with an idle pulley (not shown), slides on the supporting surface of this idle pulley in this support.Comprise a driving mechanism 30a in the pedestal in addition, it drives a belt 32a by a drive motor 31a, therefore when this drive motor 31a just carrying out/when reversing, this optics modular bay 20a carries out reciprocal scanning and moves in set scope.And above about on the support, locate to be provided with the file to be scanned that a glass sheets (not shown) is scanned with support.When the optics module was passed through below glass plate by the carriage drive, the sensing element on it can convert documentation to be scanned to the data input.Sensing element such as known CIS, CCD.Because the focal length of CIS optics module is short, adopt CIS optics module can make platform-type scanner miniaturization.But this scanner tolerance is very little, so the manufacturing precision requirement of the platform-type scanner of CIS just relatively improves.
Below several errors can cause the scanning light path of file to be scanned inconsistent, make final image quality and then deterioration.Producing these reasons of error is respectively:
1) error of glass plate itself.By the sheet glass that glass manufacturer provided, itself promptly has the foozle of 0.5mm to 1.5mm.
2) the bad error that causes of the levelness of optics modular bay.Under ideal state, the linear plane of motion of optics module and the plane of glass plate itself should be two planes that are parallel to each other.But in fact during fabrication, the levelness of the levelness of guide rod and supporting surface all has influence on the levelness of optics module respectively.Promptly when being installed to guide rod on the support, if guide rod can't proofread and correct when parallel with glass plate, then sliding sleeve guide rod thereon also can not with the glass plate keeping parallelism.The situation of this supporting surface is also like this.Therefore the more important thing is that glass plate refills on the support after the optics module is finished assembling, it almost is impossible will be again guide rod or optics module being done correction.
3) error that causes of the change gap between optics modular bay and glass plate.Under the ideal state, this gap should immobilize.But because the optics module slides on the hard-wired guide rod, and glass plate itself has the error that can't get rid of again, so this gap width may change.
The reference level of traditional platform-type scanner is as the criterion with guide rod and supporting surface, and optics module and glass plate then are to do correction with respect to this guide rod and supporting surface.So gap variation between error, optics modular bay and the glass plate of above-mentioned glass plate itself and the parallelism between optics modular bay and glass plate all can have influence on the scanning light path, so final image quality just can affect adversely.And the reason of above-mentioned three kinds of error formulas is to be due to the setting of reference level or reference line.And, then must make accurate mould as overcoming above-mentioned error, so will raise the cost, and assembling process also needs very carefully to carry out.
In addition, this optics modular bay produces rotation (spin) phenomenon in order to prevent it along the vertically moving of scanner support the time, and existing scanner has been adopted two kinds of methods respectively.One is sliding sleeve/guide bar shown in Figure 1, promptly allows the optics module walk along guide rail by sliding sleeve, produces rotation phenomenon to prevent optical mode group carriage.The second way then is to utilize pull line/pulley to cooperate to do parallel traction, and to overcome the rotation of optics module, for example the AS6E type scanner of NEC promptly adopts this kind design.But the assembling that this cable wire/pulley cooperates is too loaded down with trivial details, and the cost of labor that expends is too high.Moreover the shock resistance of cable wire is poor, just in case be given a shock in scanning process, then these vibrations are bound to conduct to the optics module, and then causes into image degradation.
The utility model main purpose is to provide a kind of supporting mechanism of optics module, and the reference level in the wherein whole sweep mechanism is based on glass plate, so the error of glass plate itself can be considered as zero.
The purpose of this utility model is to realize like this, a kind of supporting mechanism of optics module promptly is provided, it is placed in the space of a support, described support is provided with a supporting skid rail longitudinally in a precalculated position, one end face of described support has an opening, described opening defines a periphery, and described periphery carries a lamina lucida; Described supporting mechanism comprises: a carriage, settle described optics module; One first biasing element, movably seat is on described supporting skid rail, and provide a level and vertical bias to defeat urgent described carriage respectively, described horzontal deflecting voltage power makes described carriage be adjacent to a vertical reference level when vertically advancing, and described vertical bias power is in the gap that described carriage makes described optics module be maintained fixed with a bottom surface of described lamina lucida at any time when vertically advancing.
The utility model provides a kind of supporting mechanism of optics module in addition, and it is placed in the support space, and described base inner is provided with a horizontal longitudinally slideway, the vertical slideway with of a vertical reference level, and described support is provided with a lamina lucida; Described supporting mechanism comprises: a carriage, settle described optics module; One first biasing element, movably seat and provides a vertical bias to defeat to compel described carriage on described horizontal slideway, described carriage when vertically advancing, described optics modular bay and the described lamina lucida maintenance certain interval of making; One second biasing element, movably seat and provides a horzontal deflecting voltage to defeat to compel described carriage on described vertical slideway, and described carriage is adjacent to described vertical reference level when vertically advancing.
The advantage of the utility model device is that scanning errors is little, and is simple in structure, easy for installation.
Below in conjunction with accompanying drawing, embodiment of the present utility model is described, wherein:
Fig. 1 is the stereogram of optics module, guide rod and the driving element of existing platform-type scanner;
Fig. 2 is the top view of optics modular bay of the present utility model, vertical reference element, longitudinal bracing slideway correlation;
Fig. 3 is along the sectional drawing of 2-2 line among Fig. 2;
Fig. 4 is second an embodiment's of the present utility model sectional drawing;
Fig. 5 is the 3rd an embodiment's of the present utility model sectional drawing.
Consult shown in Figure 2ly, comprise a carriage 20 in the platform-type scanner of the present utility model, it has a space for holding an optics module (not shown), action such as can scan when with existing this carriage 20 of motivational drive.One side-lower of carriage 20 of the present utility model has by extensional shell 24 defined one first spaces, for holding a roller group element 32.The opposite side below of carriage 20 has by extensional shell 25 defined one second spaces, for holding a biasing element 30, referring to Fig. 3.15 one-tenth rolling contact relations of a roller in the roller group element 32 and a vertical reference element.Even if this vertical reference element 15 has error, because the existence of roller in the roller group element 32, and the automatic corrective action of elastomer 302 horzontal deflecting voltage power in the biasing element 30, small rotation can not take place in carriage 20 in vertical (Vertical direction among Fig. 2) traveling process, thereby solves the disappearance of prior art.The explanation of biasing element 30 and longitudinal bracing slideway 11 as described later.Place, nearly two ends is provided with guide wheel 21,22 respectively on the plane, top of optics modular bay 20, and carriage 20 is in vertical traveling process, and guide wheel 21,22 rolls on the bottom surface of glass plate 14.
With reference to figure 3, include a support 10 in the scanner of the present utility model, support 10 has an opening periphery for one transparent (glass) plate 14 is fixedly mounted on it.Optics modular bay 20 inner spaces hold an optics module (not shown).Pedestal 10 inner corresponding extensional shells 25 places are provided with a longitudinal bracing slideway 11.Biasing element 30 of the present utility model is contained in extensional shell 25 defined second spaces.One end of biasing element 30 is provided with 312 on a roller and rolls on this supporting skid rail 11, and then to top power in these optics modular bay 20 generations one, because the automatic corrective action of elastomer 302 vertical bias power in the biasing element 30 makes this optics module and this glass plate 14 keep a rough fixing gap.In illustrated embodiment, the slideway plane of this supporting skid rail 11 is an inclined-plane, and the end rollers 312 of this biasing element 30 is perpendicular to this inclined-plane.So, by biasing element 30, this inclined-plane can apply a normal thrust and a horizontal thrust to carriage 20 simultaneously.Among the embodiment of the present utility model, this biasing element 30 comprises a housing 301, a supporting base 311, an elastomer 302.This supporting base 311 slidably slides in housing 301 inside, thereby constitutes the enclosure interior space of a change, and this elastomer 302 is contained in this enclosure interior space.And but roller 312 is placed on this supporting base 311 with means of rolling.When assembling was finished, housing 301 was and 20 one-tenth fixed relationships of carriage.When carriage 20 vertically moved, roller 312 rolled on the supporting skid rail 11 on this support 10.In response to the error on supporting skid rail 11 surfaces, roller 312 cooperates elastomers 302 to adjust to put on the power of housing 301, thus make at any time optics modular bay 20 and on optics module and this glass plate 14 maintenance certain intervals.And in other embodiments, this roller 312 can be replaced by other elements.For example it can be a smooth surface, and is coated with not dragon of one deck iron thereon, to reduce frictional force.
In other words, the utility model with glass plate 14 as reference level, carriage 20 is under the Vertical direction thrust compressing of elastomer 302, can keep certain interval with this glass plate 14 all the time, the gap that this optics modular bay 20 and this glass plate are 14 can be close to and be completely fixed, so the light path of optics module in whole scanning process can not change, its image quality promptly can be controlled in the stable high-quality scope.
More comprise a vertical guiding element (being vertical reference element) 15 on the support 10 of the present utility model, the guiding element 15 in embodiment illustrated in fig. 3 is a round guide rod, and it is by 151 supports of guide rod seat at two ends.Other embodiments can be a guiding face.This vertical guiding element 15 is parallel to each other with this supporting skid rail 11, as Fig. 2.When vertically advancing, this roller group element 32 movably contacts with guiding element 15 and is guided, 15 one-tenth rollings of roller group element 32 and this guiding element contact, thus this guiding element 15 when horizontal error will can not have influence on this optics modular bay 20 and vertically move longitudinally with respect to the parallelism of this glass plate 14.Therefore, can fully overcome because of the problem that parallelism error caused of this optics modular bay 20 in the prior art with respect to this glass plate 14.Moreover, because this roller group element 32 is not subjected to restraining of guiding element 15, therefore allow that guiding element 15 has bigger vertical equity error.Such advantage makes the precision when guiding element 15 is made and installed to reduce, and this advantage can reduce the cost of product significantly.As shown in Figure 3, this roller group element 32 is contained in these extensional shell 24 defined first spaces.Even if this vertical reference element 15 has error, because the automatic corrective action of elastomer 302 horzontal deflecting voltage power in the existence of the roller in the roller group 32 and the biasing element 30, small rotation can not take place in carriage 20 in vertical traveling process, thereby solves the disappearance of prior art.
In embodiment of the present utility model, this roller group element 32 leans against on this guiding element 15.Yet under spirit of the present utility model, can also adopt other configuration mode, for example when this guiding element 15 was implemented in guiding wall mode, this roller group element 32 just can be a steel ball, and this cooperation can prevent that still optics modular bay 20 from producing rotation phenomenon between advancing.
As shown in Figure 3, roller group element 32 and biasing element 30 are at a distance of a segment distance.But when practical application, biasing element 30 and roller group element 32 are tried one's best near then reaching preferable effect.
In addition, can near roller group element 32 places 40 of one biasing elements be set separately in 32 of biasing element 30 and roller group elements rolls on a horizontal slideway, as shown in Figure 4, this biasing element 40 is for additionally providing a vertical bias to try hard to recommend pressure bracket 20, cooperate with biasing element 30, carriage 20 can keep preferable levelness in vertical traveling process, thus make at any time optics modular bay 20 and on optics module and this glass plate 14 keep certain intervals.The structure of this biasing element 40 is identical with biasing element 30, repeats no more.
In addition, one first biasing element 40 and one second biasing element 50 can be set, as shown in Figure 5, to reach the function of single biasing element 30 among Fig. 3.40 of this first biasing elements roll on a horizontal slideway, provide a vertical bias to try hard to recommend pressure bracket 20, carriage 20 can keep preferable levelness in vertical traveling process, thus make at any time optics modular bay 20 and on optics module and this glass plate 14 keep certain intervals.The structure of this biasing element 40 is identical with biasing element 30, repeats no more.50 of this second biasing elements roll on a vertical slideway, and a horzontal deflecting voltage power is provided.In an embodiment, this vertical slideway can be made of support 10 inner side surfaces.Therefore when the error of support 10 inner side surfaces of this guiding element 15 horizontal error and roller 512 contacts longitudinally will can not have influence on this optics modular bay 20 and vertically move with respect to the parallelism of this glass plate 14.The structure of this biasing element 50 is identical with biasing element 30, repeats no more.
In other embodiments, above-mentioned supporting skid rail 11, horizontal slideway can with these support 10 integrally formed forming.
Claims (15)
1. the supporting mechanism of an optics module is characterized in that, it is placed in the space of a support, described support is provided with a supporting skid rail longitudinally in a precalculated position, one end face of described support has an opening, and described opening defines a periphery, and described periphery carries a lamina lucida; Described supporting mechanism comprises: a carriage, settle described optics module; One first biasing element, movably seat is on described supporting skid rail, and provide a level and vertical bias to defeat urgent described carriage respectively, described horzontal deflecting voltage power makes described carriage be adjacent to a vertical reference level when vertically advancing, and described vertical bias power is in the gap that described carriage makes described optics module be maintained fixed with a bottom surface of described lamina lucida at any time when vertically advancing.
2. supporting mechanism according to claim 1, it is characterized in that, described vertical reference level is that one on the described support guided rod member longitudinally, described carriage comprises one first space for holding a roller group element, the optics modular bay is when vertically advancing, and described horzontal deflecting voltage power makes described roller group element become the rolling contact condition with described guiding rod member.
3. supporting mechanism according to claim 1 is characterized in that, the slideway plane of described supporting skid rail is an inclined-plane, and described biasing element is perpendicular to described inclined-plane.
4. supporting mechanism according to claim 1, it is characterized in that, described biasing element comprises a housing, one supporting base, one elastomer and a roller, described supporting base slidably in enclosure interior slide and constitute one the change the enclosure interior space, described elastomer is contained in the described enclosure interior space, described roller is fixed with rotary way and described supporting base, when described carriage vertically moves, described roller rolls on described supporting skid rail, described elastomer in response to shown in the error of slideway make automatically shown in optics modular bay and described lamina lucida keep certain interval.
5. supporting mechanism according to claim 1 is characterized in that, place, the nearly two ends of described carriage end face is provided with a guide wheel respectively, when shown in carriage when vertically advancing, described vertical bias power makes described guide wheel become the rolling contact condition with described glass plate bottom surface.
6. supporting mechanism according to claim 1 is characterized in that, described vertical reference level is arranged at a bottom surface of described support.
7. supporting mechanism according to claim 6 is characterized in that, described supporting skid rail and described support are integrally formed.
8. supporting mechanism according to claim 1 is characterized in that, described optics modular bay also is provided with one second biasing element so that one second vertical bias power to be provided.
9. supporting mechanism according to claim 8, it is characterized in that, described second biasing element comprises a housing, one supporting base, one elastomer and a roller, described supporting base slidably in enclosure interior slide and constitute one the change the enclosure interior space, described elastomer is contained in the described enclosure interior space, described roller is fixed with rotary way and described supporting base, when described carriage vertically moves, described roller rolls on one second supporting skid rail, and described elastomer makes described optics modular bay and lamina lucida keep certain interval in response to the error of second supporting skid rail at any time automatically.
10. the supporting mechanism of an optics module is characterized in that, it is placed in the support space, and described base inner is provided with a horizontal longitudinally slideway, the vertical slideway with of a vertical reference level, and described support is provided with a lamina lucida; Described supporting mechanism comprises: a carriage, settle described optics module; One first biasing element, movably seat and provides a vertical bias to defeat to compel described carriage on described horizontal slideway, described carriage when vertically advancing, described optics modular bay and the described lamina lucida maintenance certain interval of making; One second biasing element, movably seat and provides a horzontal deflecting voltage to defeat to compel described carriage on described vertical slideway, and described carriage is adjacent to described vertical reference level when vertically advancing.
11. supporting mechanism according to claim 10, it is characterized in that, described second biasing element comprises a housing, one supporting base, one elastomer and a roller, described supporting base slidably in enclosure interior slide and constitute one the change the enclosure interior space, described elastomer is contained in the enclosure interior space, described roller is fixed with rotary way and described supporting base, when described carriage vertically moves, described roller rolls on vertical slideway, in response to the error of described vertical slideway with respect to described vertical benchmark, described second biasing element is flexible automatically to make carriage be adjacent to described vertical reference level.
12. supporting mechanism according to claim 10, it is characterized in that, place, the nearly two ends of described carriage one end face is provided with guide wheel respectively, when described carriage when vertically advancing, described vertical bias power makes described guide wheel become the rolling contact condition with described glass plate bottom surface.
13. supporting mechanism according to claim 10, it is characterized in that, described vertical reference level is one to guide rod member longitudinally, and described carriage comprises one first space for holding a roller group element, when carriage when vertically advancing, described horzontal deflecting voltage power makes described roller group element become the rolling contact condition with described guiding rod member.
14. supporting mechanism according to claim 10 is characterized in that, described vertical slideway is an inner side surface of described support.
15. supporting mechanism according to claim 13 is characterized in that, described horizontal slideway and described support are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97229596 CN2320830Y (en) | 1997-12-23 | 1997-12-23 | Supporting mechanism for optical module set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97229596 CN2320830Y (en) | 1997-12-23 | 1997-12-23 | Supporting mechanism for optical module set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2320830Y true CN2320830Y (en) | 1999-05-26 |
Family
ID=33942347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97229596 Expired - Lifetime CN2320830Y (en) | 1997-12-23 | 1997-12-23 | Supporting mechanism for optical module set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2320830Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111997971A (en) * | 2016-03-24 | 2020-11-27 | 阿奇企业公司 | Modular facility system |
-
1997
- 1997-12-23 CN CN 97229596 patent/CN2320830Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111997971A (en) * | 2016-03-24 | 2020-11-27 | 阿奇企业公司 | Modular facility system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BENQ MOTOR CO., LTD. Free format text: FORMER NAME OR ADDRESS: MINGHONG STOCK CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Patentee after: Benq Corp. Patentee before: Mingqi Computer Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |