CN201191880Y - Scanner device having soft compressing component - Google Patents

Scanner device having soft compressing component Download PDF

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Publication number
CN201191880Y
CN201191880Y CNU2008200585208U CN200820058520U CN201191880Y CN 201191880 Y CN201191880 Y CN 201191880Y CN U2008200585208 U CNU2008200585208 U CN U2008200585208U CN 200820058520 U CN200820058520 U CN 200820058520U CN 201191880 Y CN201191880 Y CN 201191880Y
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CN
China
Prior art keywords
scanning means
pressing assembly
downstream
transparent platform
file
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Expired - Lifetime
Application number
CNU2008200585208U
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Chinese (zh)
Inventor
盛少澜
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Hongguang Precision Industry Suzhou Co Ltd
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Hongguang Precision Industry Suzhou Co Ltd
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Priority to CNU2008200585208U priority Critical patent/CN201191880Y/en
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Abstract

The utility model discloses a scanning device which is provided with a soft press component, which comprises a transparent platform, a scanning module, a sheet-feed mechanism and a soft press component. The scanning module corresponds to the scanning interval for obtaining the video-image of the file through the transparent platform. The sheet-feed mechanism can be applied to feed the file to pass the scanning interval along the sheet-feed information. The soft press component lies in the sheet-feed channel and lies on the upstream side of the scanning interval or in the scanning interval and is separated by gap from the transparent platform and deforms towards the direction far away from the transparent platform due to shoving by files.

Description

Scanning means with flexible pressing assembly
Technical field
The present invention relates to a kind of scanning means, relate in particular to a kind of scanning means with flexible pressing assembly, wherein flexible pressing assembly has deformation ability, and be configured to the transparent platform of scanning means mutually septal space have the file of different-thickness with compacting.
Background technology
In traditional automatic paper conveying apparatus, utilize roller to come feed documents to pass through scanning window usually, come the image of scanning document for the scan module that is positioned at the scanning window below.The quality of scanning of document image is relevant with the depth of field of scan module.File during the big more depth of field allows to present more can be smooth in scanning window fully, and the file during the more little depth of field does not then allow to present more is away from scanning window.
When file passed through scanning window, for effective control documents drops in the field depth of scan module, it was to utilize roller to come the contact scanning window that a kind of traditional scanner is arranged.When file passed through scanning window as yet, roller and scanning window were done sliding friction, and when file passed through scanning window, roller and file were done rolling friction, and file and scanning window are done sliding friction.In the case, the wear extent of roller and the wear extent of scanning window are all quite big, influence quality of scanning easily.And when file thickness thickening, file may be difficult for entering the gap between roller and the scanning window, and can't finish fed with programs.Therefore, in the prior art, can on the assembly of support roller, install a stroke limiter additional, make roller to move up and down along stroke limiter, thus, roller just can cooperate the gap between adjustment of file thickness and the scanning window, so that file passes through.But this mechanism design needs more component part and long built-up time, increases production cost concerning manufacturer undoubtedly.
Summary of the invention
Therefore, an object of the present invention is to provide a kind of scanning means with flexible pressing assembly, wherein utilize the flexible pressing assembly be positioned at the sweep interval upstream side or be positioned at sweep interval to suppress file, to reduce the friction between pressing assembly and the transparent platform, and the distance between effective control documents and the transparent platform, the file that more can suppress different-thickness adaptively passes through transparent platform.
For reaching above-mentioned purpose, the invention provides a kind of scanning means with flexible pressing assembly, it comprises transparent platform, scan module, paper feed mechanism and flexible pressing assembly.Scan module is obtained the image of file corresponding to sweep interval in order to see through transparent platform.Paper feed mechanism is in order to pass through sweep interval along the paper feeding channel feed documents.Flexible pressing assembly is arranged in paper feeding channel, and is positioned at the upstream side of sweep interval or is positioned at sweep interval.Flexible pressing assembly and transparent platform be septal space mutually, and is subjected to that file is pushed and toward the direction distortion away from transparent platform.
According to scanning means of the present invention, can utilize the flexible pressing assembly that is positioned at the sweep interval upstream side or is positioned at sweep interval to suppress file, with transparent platform mutually the flexible pressing assembly of septal space be designed to have deformation ability, so as to suppressing file adaptively, make file can pass through sweep interval with different-thickness smoothly.
For foregoing of the present invention can be become apparent, preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
Description of drawings
Fig. 1 and Fig. 2 show the schematic diagram according to the two states of the scanning means of first embodiment of the invention;
Fig. 3 shows the schematic diagram of another state of flexible pressing assembly;
Fig. 4 shows the schematic diagram according to the scanning means of second embodiment of the invention;
Fig. 5 to 7 shows several examples of pressing assembly of the present invention;
Fig. 8 shows the schematic diagram according to the scanning means of third embodiment of the invention;
Fig. 9 shows the schematic diagram according to the scanning means of fourth embodiment of the invention;
Figure 10 shows the schematic diagram according to the scanning means of fifth embodiment of the invention;
Figure 11 shows the schematic diagram according to the scanning means of sixth embodiment of the invention.
Embodiment
Fig. 1 and 2 shows the schematic diagram according to the two states of the scanning means of first embodiment of the invention.As shown in Figure 1, the scanning means of present embodiment comprises transparent platform 10, scan module 20, paper feed mechanism 30 and flexible pressing assembly 45.
Scan module 20 is obtained the image of file D corresponding to sweep interval SZ in order to see through transparent platform 10.Paper feed mechanism 30 passes through sweep interval SZ along paper-feeding channel 32 feed documents D.
Flexible pressing assembly 45 is arranged in paper feeding channel 32, and is positioned at the upstream side (referring to Fig. 1) of sweep interval SZ or is positioned at sweep interval SZ (referring to Figure 11).So-called upstream side is based on the feed direction of file D.Therefore, file D is fed earlier by flexible pressing assembly 45, then just by sweep interval SZ.Flexible pressing assembly 45 and transparent platform 10 clearance G of being separated by, and be subjected to that file D pushes and toward direction distortion away from transparent platform 10.
In the present embodiment, flexible pressing assembly 45 is a roller, and the rubber wheel of hollow preferably, rubber wheel are subjected to that file D pushes and toward the direction distortion (original state of the lower part of roller is shown in dotted line) away from transparent platform 10.Roller can drive by driven device (such as motor), also can not be subjected to any motor driven, and only have the ability that is promoted by file.Perhaps, roller can also transfixion, only has the ability of strain.In the case, flexible pressing assembly 45 also can be an elastic sheet, and the distance that elastic sheet and transparent platform are separated by equals the size of this gap G.
As shown in Figure 2, when thin file D was scanned, flexible pressing assembly 45 can be suppressed file D under the situation that does not have distortion or micro-strain.Because flexible pressing assembly 45 is arranged on the upstream of sweep interval SZ, just can not make file D be positioned as close to transparent platform 10 at sweep interval SZ so flexible pressing assembly 45 does not need to be close to transparent platform 10.If flexible pressing assembly 45 is close to transparent platform 10, file D may swell at sweep interval SZ, thereby has influence on quality of scanning.In order to make paper delivery more smooth, this scanning means also comprises arrangement for guiding 60, in order to file D is derived paper-feeding channel 32.
Fig. 3 shows the schematic diagram of another state of flexible pressing assembly.In the present embodiment, the roller that belongs to flexible pressing assembly 45 has ring-type hairbrush 46, and the ring-type hairbrush has a plurality of bristles, and the ring-type hairbrush is subjected to that file D pushes and toward the direction distortion away from transparent platform 10, can reaches the effect of compacting file D and cleaning file D.Perhaps, the flexible pressing assembly 45 that belongs to elasticity or stiff sheet can have hairbrush, and hairbrush has a plurality of bristles, and hairbrush is subjected to that file D pushes and toward the direction distortion away from transparent platform 10.
In the present embodiment, scan module 20 normally corresponding to the scanning position SP in the sweep interval to scan.Yet scan module 20 also can be positioned at scanning position SP to scan.
Fig. 4 shows the schematic diagram according to the scanning means of second embodiment of the invention.Fig. 5 shows the schematic diagram corresponding to the downstream pressing assembly of Fig. 4.Shown in Figure 4 and 5, the scanning means of present embodiment is similar to first embodiment, and difference is that the scanning means of present embodiment also comprises the downstream section 40 and the first downstream pressing assembly 50.
Downstream section 40 is positioned at the downstream of sweep interval SZ, and has low spot LP, and low spot LP is lower than the upper surface 10A of transparent platform 10.So-called downstream is to determine according to the direction that file D advances.Therefore, file D passes through sweep interval SZ earlier, and then by downstream section 40.Downstream pressing assembly 50 is relative with downstream section 40, in order to the distance between restriction file D and the transparent platform 10.Downstream pressing assembly 50 can have protuberance.In the present embodiment, downstream pressing assembly 50 is fixed in the swing arm 54 of 52 swings of housing relatively, and present embodiment also comprises spring 70, forces in downstream pressing assembly 50 in order to see through swing arm 54, makes downstream pressing assembly 50 biased toward downstream sections 40.Perhaps, can omit spring 70, make downstream pressing assembly 50 by self gravitation or self elastic force and biased toward downstream section 40.Perhaps, can make downstream pressing assembly 50 biased by applying magnetic force in downstream pressing assembly 50 toward downstream section 40.
In the present embodiment, downstream section 40 has groove 42, and downstream pressing assembly 50 and the low spot LP of downstream section 40 gap, downstream that is separated by.Perhaps, downstream section 40 also can comprise the inclined-plane, as long as the low spot LP of downstream section 40 is lower than surperficial 10A on the transparent platform 10.
In the present embodiment, downstream section 40 is in abutting connection with transparent platform 10, and in order to make paper delivery more smooth, this scanning means also comprises arrangement for guiding 60.Arrangement for guiding 60 is positioned at the downstream of downstream section 40, and in abutting connection with downstream section 40, in order to leader files D paper delivery.
Transparent platform 10 is sheet glass normally, and itself and another sheet glass 12 utilizes downstream section (fastener) 40 and is bonded together.Transparent platform 10 is to use for the paper feed type scanning process, and sheet glass 12 can be to use for platform-type scanning process.It should be noted that scanning means of the present invention can be pure paper feeding scanner or falt bed scanner and the combining of automatic paper feeder.Arrangement for guiding 60 is configured on the sheet glass 12 or between transparent platform 10 and sheet glass 12, moves toward the direction of paper output box (not shown) in order to leader files D.The groove 42 of downstream section 40 provides and allows the space of downstream pressing assembly 50 activities.Thus, in normal operation, the contact position 50A of downstream pressing assembly 50 and file D must be lower than the upper surface 10A of transparent platform 10.The upper surface 10A that just can make file D by sweep interval SZ paste transparent platform 10 fully whereby moves.
Fig. 6 shows another example of downstream pressing assembly.For the purpose of explanation, the upper surface 10A with transparent platform 10 extends with imaginary line.In this example, the low spot 50A that the first downstream pressing assembly 50 contacts with file D is equal to the height of the upper surface 10A of the transparent platform 10 that is positioned at sweep interval SZ.
Fig. 7 shows another example again of downstream pressing assembly.As shown in Figure 7, scanning means of the present invention also comprises the second downstream pressing assembly 90, and it is fixed in the swing arm 54, and relative with transparent platform 10.The second downstream pressing assembly 90 and the first downstream pressing assembly 50 are positioned at the same side of sweep interval SZ.The second downstream pressing assembly 90 also can be positioned at the opposite side of sweep interval SZ.The minimum point 90A of the second downstream pressing assembly 90 is higher than the height of position at the upper surface 10A of the transparent platform 10 of sweep interval SZ.Therefore, the second downstream pressing assembly 90 and transparent platform 10 gap, downstream that can be separated by is passed through for file D.
It should be noted that the aforesaid first downstream pressing assembly 50 or the second downstream pressing assembly 90 can have cambered surface,, and produce the function of compacting file so that can be by the smooth jack-up of file D.Perhaps, as long as make file and downstream pressing assembly keep the similarity state of contact.
It should be noted that aforesaid downstream pressing assembly also can replace with roller, because simple structure and can learning from following embodiment inference, so locate no longer to describe in detail.
Fig. 8 shows the schematic diagram according to the scanning means of third embodiment of the invention.As shown in Figure 8, the scanning means of present embodiment is similar to second embodiment, difference is that the scanning means of present embodiment is a kind of pure paper feeding scanner, and downstream pressing assembly 50 ' is roller, and the low spot 50A ' of roller 50 ' is arranged in the groove 10B of transparent platform 10 '.At this, groove 10B can be defined as the part of downstream section 40 '.The minimum point LP of downstream section 40 ' still is lower than the upper surface 10A ' of transparent platform 10 '.
Fig. 9 shows the schematic diagram according to the scanning means of fourth embodiment of the invention.As shown in Figure 9, present embodiment is similar to second embodiment, and difference is that the scanning means of present embodiment also comprises lower platform 80, and it is arranged at transparent platform 10 " under.Lower platform 80 and transparent platform 10 " between section differ from 48 and form downstream sections 40 " in, and downstream pressing assembly 50 " low spot 50A " section of being arranged in differs from 48.
Figure 10 shows the schematic diagram according to the scanning means of fifth embodiment of the invention.As shown in figure 10, present embodiment is similar to second embodiment, difference is the downstream section 40 ' of the scanning means of present embodiment " comprise platform 44; itself and transparent platform 10 adjacency; the upper surface 44A of platform 44 is lower than the upper surface 10A of transparent platform 10, and downstream pressing assembly 50 is relative with platform 44.The thickness of platform 44 is less than the thickness of transparent platform 10.
Figure 11 shows the schematic diagram according to the scanning means of sixth embodiment of the invention.As shown in figure 11, flexible pressing assembly 45 is arranged in paper feeding channel 32, and is positioned at sweep interval SZ.
By the above embodiment of the present invention, can utilize the flexible pressing assembly that is positioned at the sweep interval upstream side or is positioned at sweep interval to suppress file, with transparent platform mutually the flexible pressing assembly of septal space be designed to have deformation ability, so as to suppressing file adaptively, make file can pass through sweep interval with different-thickness smoothly.On the other hand, the present invention also utilizes the downstream pressing assembly in downstream to suppress file, with the friction between minimizing pressing assembly and the transparent platform, and the distance between effective control documents and the transparent platform.
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 invention, be not with narrow sense of the present invention be limited to the foregoing description, in the situation that does not exceed spirit of the present invention and following claim, the many variations of being done is implemented, and all belongs to scope of the present invention.
[description of reference numerals]
D: file
G: gap
LP: low spot
SP: scanning position
SZ: sweep interval
10: transparent platform
10 ': transparent platform
10 ": transparent platform
10A: upper surface
10A ': upper surface
10A ": upper surface
10B: groove
12: sheet glass
20: scan module
30: paper feed mechanism
32: paper-feeding channel
40: downstream section
40 ': downstream section
40 ": downstream section
40 " ': downstream section
42: groove
44: platform
44A: upper surface
45: flexible pressing assembly
48: section is poor
50: the first pressing assemblies
50 ': the first pressing assembly
50 ": first pressing assembly
50A: low spot/contact position
50A ': low spot
50A ": low spot
52: housing
54: swing arm
60: arrangement for guiding
70: spring
80: lower platform
90: the second pressing assemblies
90A: minimum point

Claims (20)

1. scanning means with flexible pressing assembly comprises:
Transparent platform;
Scan module corresponding to sweep interval, is obtained the image of file in order to see through described transparent platform;
Paper feed mechanism is in order to present described file by described sweep interval along paper-feeding channel;
It is characterized in that described scanning means also comprises:
Flexible pressing assembly, be arranged in described paper-feeding channel, and be positioned at the upstream side of described sweep interval or be positioned at described sweep interval, described flexible pressing assembly and described transparent platform be septal space mutually, and is subjected to that described file is pushed and toward the direction distortion away from described transparent platform.
2. scanning means as claimed in claim 1 is characterized in that, described flexible pressing assembly is a roller.
3. scanning means as claimed in claim 2 is characterized in that, described roller is the rubber wheel of hollow, and described rubber wheel is subjected to that described file is pushed and toward the direction distortion away from described transparent platform.
4. scanning means as claimed in claim 2 is characterized in that described roller has the ring-type hairbrush, and described ring-type hairbrush is subjected to that described file is pushed and toward the direction distortion away from described transparent platform.
5. scanning means as claimed in claim 1 is characterized in that wherein said flexible pressing assembly has hairbrush, and described hairbrush is subjected to that described file is pushed and toward the direction distortion away from described transparent platform.
6. scanning means as claimed in claim 1 is characterized in that, also comprises: downstream section, and be positioned at the downstream of described sweep interval, and have low spot, described low spot is lower than the upper surface of described transparent platform; And
The downstream pressing assembly, it is relative with described downstream section, in order to limit the distance between described file and the described transparent platform.
7. scanning means as claimed in claim 6 is characterized in that, described downstream section is in abutting connection with described transparent platform.
8. scanning means as claimed in claim 6 is characterized in that, also comprises arrangement for guiding, is positioned at the described downstream of described downstream section, and in abutting connection with described downstream section, in order to guide described file paper delivery.
9. scanning means as claimed in claim 6 is characterized in that, the described low spot of described downstream pressing assembly and the described downstream section gap, downstream that is separated by.
10. as claim 6 a described scanning means, it is characterized in that described downstream pressing assembly has protuberance.
11. scanning means as claimed in claim 6 is characterized in that, described downstream pressing assembly is a roller.
12. scanning means as claimed in claim 6 is characterized in that, also comprises spring, in order to force in described downstream pressing assembly, makes described downstream pressing assembly toward described downstream section inclination.
13. scanning means as claimed in claim 6 is characterized in that, described downstream pressing assembly is by self gravitation or self elastic force and toward described downstream section inclination.
14. scanning means as claimed in claim 6 is characterized in that, magnetic force forces in described downstream pressing assembly, makes described downstream pressing assembly toward described downstream section inclination.
15. scanning means as claimed in claim 6 is characterized in that, described downstream section comprises groove.
16. scanning means as claimed in claim 6 is characterized in that, described downstream section comprises the inclined-plane.
17. scanning means as claimed in claim 6 is characterized in that, also comprises lower platform, it is arranged under the described transparent platform, and the section difference between wherein said lower platform and the described transparent platform forms described downstream section.
18. scanning means as claimed in claim 6 is characterized in that, described downstream section comprises platform, itself and described transparent platform adjacency, and the upper surface of described platform is lower than the upper surface of described transparent platform.
19. scanning means as claimed in claim 6 is characterized in that, also comprises one second downstream pressing assembly, it is relative with described transparent platform.
20., it is characterized in that described second downstream pressing assembly and the described transparent platform gap, downstream that is separated by as the described scanning means of Shen claim 19.
CNU2008200585208U 2008-05-16 2008-05-16 Scanner device having soft compressing component Expired - Lifetime CN201191880Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008200585208U CN201191880Y (en) 2008-05-16 2008-05-16 Scanner device having soft compressing component

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008200585208U CN201191880Y (en) 2008-05-16 2008-05-16 Scanner device having soft compressing component

Publications (1)

Publication Number Publication Date
CN201191880Y true CN201191880Y (en) 2009-02-04

Family

ID=40336039

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008200585208U Expired - Lifetime CN201191880Y (en) 2008-05-16 2008-05-16 Scanner device having soft compressing component

Country Status (1)

Country Link
CN (1) CN201191880Y (en)

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Granted publication date: 20090204