CN2610352Y

CN2610352Y - Angle positioning structure of lens of scanistor

Info

Publication number: CN2610352Y
Application number: CN 03238860
Authority: CN
Inventors: 洪铭德
Original assignee: Lite On Technology Corp
Current assignee: Lite On Technology Corp
Priority date: 2003-03-20
Filing date: 2003-03-20
Publication date: 2004-04-07
Anticipated expiration: 2013-03-20

Abstract

The utility model relates to a scanner eyeglass angle positioning structure, which is used to accurately position the reflecting eyeglass of the scanner on the special angle and position in the mode of tool free installation, mainly comprising a bearing rack, an angle positioning metal plate component and an elastic arm, wherein the bearing rack is an optical module for bearing and performing the optical scanning function; the angle positioning metal plate component is a supporting surface which is fixed on the bearing rack and has good positioning precision; and the elastic arm having the elasticity is extended outwards to the outside of the supporting surface through the integration on the top of the bearing rack and formed a placing space with the supporting surface, and the distance from the tail end of the elastic arm to the supporting surface is a little smaller than the width of the eyeglass, which makes the eyeglass be able to be closely positioned by the elastic arm after being installed inside the placing space, thus achieving the efficacies of simple mechanism, quick installing, accurate positioning of the eyeglass, and so on.

Description

Scanner eyeglass angle orientation structure

Technical field

The utility model relates to a kind of location structure of reflecting optics, particularly relates to the eyeglass angle orientation structure on a kind of scanner.

Background technology

The image capture process of scanner, be to go to shine medium sources such as picture, photo with a light source, reflected light is collected by sensor through the reflection of several eyeglass, after the light signal converts digital signal to, just can go to edit or reappear for computing machine, printer.Because the angle one of eyeglass departs from, will allow the reflected light of part be collected by sensor, so the quality of eyeglass angle orientation precision, be directly connected to the acquisition whether image can be complete.

Scanner roughly mainly is divided into the plastics injection part on the positioning design of eyeglass angle at present, spring secures rail to sleeper is directly located, or locks the location with spring secures rail to sleeper collocation angle orientation metal plate spare.

So-called plastics injection part, No. 4984882 patent of its structure such as the U.S. discloses, because plastic material characteristic and the technical restriction of injection molding have the bad problem of bearing accuracy during practical application.

And utilize the example of spring secures rail to sleeper merely, be found in No. 6098947 patent of the U.S., the spring secures rail to sleeper of its announcement mainly is made of metal, grab or screw locking by edge own, go eyeglass is gripped, though very be easy in the application install, because eyeglass is to be positioned on the optical module carrier of scanner, this carrier is made with the not good enough plastics injection molding of precision again usually, and is therefore barely satisfactory on the effect of lens orientation.

Design with preferable bearing accuracy is first fixed angle location metal plate sheet on carrier, and this angle orientation metal plate sheet is provided with the supporting surface of bearing eyeglass, eyeglass adorn appropriate after, fixed by spring secures rail to sleeper again; Because angle orientation metal plate sheet is to make with metal, thereby good angle orientation precision can be provided.But, this kind design than alternate manner many many spare parts, too complicated with regard to the assembling on the production line, cause producing and prolong man-hour, on the market competitiveness, very be unfavorable for the producer; In addition, consider that from the cost aspect spare part cost is also too high, is reflected at the weakening that remains a kind of competitive power on the product price; Moreover, in order to promote the assembling convenience, also must be in the assembling of eyeglass towards the direction improvement of no instrument (tool-less) assembling.

Summary of the invention

The technical matters that the utility model institute desire solves is how to simplify the lens orientation structure of scanner, and the assembling of eyeglass need not be assisted by instrument, can take into account the lifting of bearing accuracy simultaneously again.

The utility model can be realized by following measure:

A kind of scanner eyeglass angle orientation structure, this structure comprises:

One carrier is en plaque, is provided with carrying an optical module;

At least two angle orientation metal plate spares are separately fixed at both sides on this carrier, and respectively this angle orientation metal plate sheet has at least one supporting surface that abuts against the location for eyeglass of indent; And

At least two elastic arms, the supporting surface outside by extending out to this angle orientation metal plate spare on this carrier forms an accommodation space between the supporting surface of this elastic arm and this angle orientation metal plate spare, and this elastic arm end to this supporting surface distance is slightly less than this eyeglass width.

This elastic arm is the lengthy motion picture shape in rectangular cross section.

This elastic arm latter end is bending one angle.

This elastic arm is L-shaped.

These carrier both sides are respectively equipped with a vertical overhanging wall sheet, and this elastic arm is to be positioned on this wall sheet.

Have many roots bar on this carrier, at least one face that this rib is provided with at least one this eyeglass of confession against ㄩ shape short slot.

This angle orientation metal plate spare has and is recessed into L shaped supporting surface at least one, cooperates the short slot on this rib to locate this eyeglass.

Have at least one long and narrow through hole on this angle orientation metal plate spare, and this carrier is provided with corresponding at least one protruded stigma, involutory with this through hole.

This supporting surface is into ㄈ shape.

This angle orientation metal plate spare is L-shaped.

The effect that the utility model is reached, be to replace old spring secures rail to sleeper with the elastic arm of optical module carrier, to simplify the structure design of scanner, and reach the convenience that eyeglass does not have instrument assembling, reduce the spare part cost on the one hand, reduce installation work-hour on the other hand again, simultaneously, hold concurrently with the location of angle orientation metal plate spare control eyeglass, improve the precision of scanner lens orientation angle.

Description of drawings

Fig. 1 is the three-dimensional exploded view of the utility model preferred embodiment;

Fig. 2 is another three-dimensional exploded view of the utility model preferred embodiment;

Fig. 3 is the combination synoptic diagram of the utility model preferred embodiment;

Fig. 4 is the partial schematic sectional view (before eyeglass is not installed) of the utility model preferred embodiment; And

Fig. 5 is the partial schematic sectional view (after eyeglass is installed) of the utility model preferred embodiment.

Embodiment

See also Fig. 1 to Fig. 5, the scanner eyeglass angle orientation structure that the utility model first preferred embodiment is provided, be to extend elastic arm (comprising first elastic arm 310, second elastic arm 320 and the 3rd elastic arm 330) from carrier 100 by a carrier 100, two angle orientation metal plate spares 200 and several, fix three long and narrow square-section reflecting optics (comprising first eyeglass 410, second eyeglass 420 and the prismatic glasses 430), its structure and array mode, start concern that details are as follows:

Carrier 100 is by the plastics injection molding in the present embodiment, be long rectangular slab sheet substantially, mainly the orbit portion 110 by left side among Fig. 1 to Fig. 3 is installed in the scanner, being used for bearing optical module (figure detailed shows) carries out and scans function, the so-called optical module has generally comprised with the fluorescent tube of circuit board control, sensor or the like, because this optical module is not this case emphasis, does not repeat them here; The upwards vertical respectively wall sheet 120 that extends in carrier 100 both sides, on each wall sheet 120, has the stalk rib 121 that vertical wall sheet 120 extends, and have several fins 130 crisscross and that upwards directly stretch equally in that wall sheet 120 is other, the ㄩ shape short slot 131 that has slight inclination on wherein one or more parallel fins 130, other fin 130 confluces then are provided with two protruded stigmas 132 and connect post 133 with two with internal thread.

Angle orientation metal plate spare 200 is metal L shaped plate sheet in the present embodiment, be fixed on 120 other the connecing on the post 133 of carrier 100 both walls sheets by screw 250, auxiliary by the stalk rib on the wall sheet 120 121, can make the angle orientation metal plate sheet 200 more can strong fix, and keeping a distance with wall sheet 120, the eyeglass end after preventing to assemble is deviate from; And have on the angle orientation metal plate spare 200 with carrier 100 on protruded stigma 132 corresponding two through hole 241,242, this two through hole can be made as and be slightly larger than protruded stigma 132 (as through hole 241), perhaps be made as long and narrow (as through hole 242), be provided with finely tuning the position of angle orientation metal plate spare 200 on carrier 100; In addition, angle orientation metal plate sheet 200 edges have first supporting surface 210, second supporting surface 220 and the 3rd supporting surface 230 of indent, abut against the usefulness of location respectively for first eyeglass 410, second eyeglass 420 and prismatic glasses 430.As long as in fact the material of angle orientation metal plate spare conforms with the high requirement of precision, be not limited to metallic article; And fixed position, fixed form do not indicate in the figure connects post position or screw locking, and existing technology has many alternative available.

The all elastic arms of the utility model all are each the supporting surface outsides that is extended out to angle orientation metal plate spare by carrier, and between every group of corresponding elastic arm and supporting surface, form a class rectangle accommodation space, and elastic arm end to supporting surface distance is slightly less than the eyeglass width, and the elasticity of the plastic material by elastic arm is located the eyeglass clamp; Certainly, during practical application, this accommodation space (being elastic arm and the collocation of supporting surface) is corresponding lens dimension shape, and needs the position that is provided with and design, not geomery or the position in the present embodiment.

See also Fig. 1 and Fig. 4, in the present embodiment, first supporting surface 210 of angle orientation metal plate sheet 200 generally is ㄈ shape, first elastic arm 310 of collocation is extended upward by the carrier end face substantially, latter end slightly bends towards first supporting surface, 210 directions, make end to the first supporting surface 210 distances of first elastic arm 310 be slightly less than first eyeglass, 410 width, first accommodation space 510 that while first elastic arm 310 and first supporting surface 210 form has first space 511 and forms open shape, first eyeglass 410 can be forced into wherein by first space 511, and it is pushed against at first supporting surface 210 by first elastic arm 310 and accurate location, as Fig. 3, Fig. 5, such mounting means does not need instrument, therefore the convenience that provides no instrument to install.

The installation and first eyeglass 410 of second eyeglass 420, prismatic glasses 430 are roughly the same, but, for what cooperate second eyeglass 420 position and size be set, second supporting surface 220 in the present embodiment is slightly different, see also Fig. 1 and Fig. 4, it is substantially as inverted L shaped, corresponding second sway brace 320 and first sway brace 310 are similar, arrange in pairs or groups again in addition ㄩ shape short slot 131 on carrier 100 fins 130, surround second accommodation space 520 jointly, second space 521 that stays can embed wherein for second eyeglass 420 equally, as Fig. 3, Fig. 5.This institutional adjustment, the shape that the supporting surface of angle orientation metal plate sheet in the utility model is described is not limited to ㄈ shape, and supporting surface is minimum can only to provide a face to abut against the location for eyeglass, other face of eyeglass then can be by elastic arm, carrier short slot (be positioned on the fin in the present embodiment, but will not be specific) cooperate the clamp location.

As for the prismatic glasses 430 of present embodiment owing to need an angle be installed on the higher position, as Fig. 3 and Fig. 5, therefore the 3rd supporting surface 230 of ㄩ shape is positioned at the apical margin of angle orientation metal plate sheet 200, and the angle that tilts, and the 3rd elastic arm 330 is different from first elastic arm 310 and second elastic arm 320, be to form the L shape by horizontal stretching on the wall sheet 120, latter end cooperates the angle of inclination of the 3rd supporting surface 230, and the 3rd supporting surface 230 bendings dorsad; Same, formed the 3rd accommodation space 530 has the 3rd space 531, can embed for prismatic glasses 430 to install.

It must be emphasized that as long as elastic arm can provide the function of contact lens orientation really, its shape need not give specific.Secondly, for the guiding eyeglass is easy to embed in the accommodation space, the end of elastic arm can be made as inclined plane shape, as the 3rd elastic arm 330 among Fig. 4 or Fig. 5.In addition, whether the elastic arm latter end bends towards angle orientation metal plate spare, the angle that depends on elastic arm itself and angle orientation metal plate spare, whether can conform with elastic arm end to supporting surface distance and be slightly less than the eyeglass width, so that eyeglass can urgent location after packing into requirement, actual mechanism design has suitable elasticity.

Comprehensively above-mentioned, core technology thought of the present utility model, be with the good angle orientation metal plate sheet supporting surface of bearing accuracy as positioning reference plane, being aided with the one extension again locatees the eyeglass contact from the elastic arm of carrier, really can effectively provide the accuracy of lens orientation, and reach the convenience that no instrument is installed.The above is preferred embodiment of the present utility model only, is not in order to limit practical range of the present utility model; Any person skilled in the art not breaking away from the equalization variation of being done under spirit of the present utility model and the scope and modification, all should be encompassed in the claim of the present utility model.

Claims

1, a kind of scanner eyeglass angle orientation structure comprises a carrier that is provided with carrying an optical module, is en plaque; It is characterized in that this location structure also comprises:

2, scanner eyeglass angle orientation structure as claimed in claim 1 is characterized in that this elastic arm is the lengthy motion picture shape in rectangular cross section.

3, scanner eyeglass angle orientation structure as claimed in claim 1 is characterized in that this elastic arm latter end is bending one angle.

4, scanner eyeglass angle orientation structure as claimed in claim 1 is characterized in that this elastic arm is L-shaped.

5, scanner eyeglass angle orientation structure as claimed in claim 1 it is characterized in that these carrier both sides are respectively equipped with a vertical overhanging wall sheet, and this elastic arm is to be positioned on this wall sheet.

6, scanner eyeglass angle orientation structure as claimed in claim 1 is characterized in that having many roots bar on this carrier, at least one face that this rib is provided with at least one this eyeglass of confession against Qian shape short slot.

7, scanner eyeglass angle orientation structure as claimed in claim 1 is characterized in that this angle orientation metal plate spare has to be recessed into L shaped supporting surface at least one, cooperates the short slot on this rib to locate this eyeglass.

8, scanner eyeglass angle orientation structure as claimed in claim 1 is characterized in that having at least one long and narrow through hole on this angle orientation metal plate spare, and this carrier is provided with corresponding at least one protruded stigma, and is involutory with this through hole.

9, scanner eyeglass angle orientation structure as claimed in claim 1 is characterized in that this supporting surface is into ㄈ shape.

10, scanner eyeglass angle orientation structure as claimed in claim 1 is characterized in that this angle orientation metal plate spare is L-shaped.