CN2526172Y - Device for investigating document position - Google Patents
Device for investigating document position Download PDFInfo
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- CN2526172Y CN2526172Y CN 02215343 CN02215343U CN2526172Y CN 2526172 Y CN2526172 Y CN 2526172Y CN 02215343 CN02215343 CN 02215343 CN 02215343 U CN02215343 U CN 02215343U CN 2526172 Y CN2526172 Y CN 2526172Y
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- China
- Prior art keywords
- paper
- feed
- placement location
- detecting
- adf
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- Expired - Fee Related
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Abstract
The utility model relates to a device for investigating document position, namely, at least two sensing components are arranged on a paper feeding device, are parallel to the tangent of the front edge of a paper feeding rolling wheel and can move according to the adjustment of the width of the paper by the paper feeding device. Hereby, the triggering of the sensing components through the documents is taken as the condition for the drive of the paper feeding rolling wheel, which can ensure documents of the avoidance of the deflection on the paper feeding device and can obtain the correct angle for paper feeding.
Description
Technical field
The utility model is the device about a kind of detecting file placement location, and finger can be detected file and whether place crooked method for detecting especially, and the aforementioned method for detecting of realization is provided and makes the correct device of file paper feed angle.
Technical background
Be assembly one tool lateral paper guide on traditional ADF, and group is provided with a fixed sensing (microswitch) on this ADF.So, be positioned on this lateral paper guide and after entering ADF, can touch this sensor and drive a paper-feed when paper the paper feed-in.
Group is provided with two adjustable shelfs on the lateral paper guide of said apparatus, and this two adjustable shelf can relatively move, and paper then is to be placed between two adjustable shelfs.Therefore before using, must adjust the relative distance of this two adjustable shelf, in order to placing paper and correcting paper angle.
During actual the use, the user often is after putting into paper between two adjustable shelfs earlier, just adjusts the relative distance of two adjustable shelfs.This moment, putting perhaps of paper can present askew status, and touched the sensor on the fixed position, and this paper-feed is rolled with the paper feed-in.So, scanning is obtained crooked image, what is more paper jam phenomenon will take place, damage original document scanning means.
Summary of the invention
The utility model provides a kind of device of detecting file placement location, and its purpose is the detecting of execute file placement effectively, in case file is with the skew angle paper feed.
Design principle of the present utility model is whether sensing to be placed the sensing component of paper, changes the position along with the variation of putting the paper width, with the placement angle of correct detecting paper.
Whether according to the described purpose of above-mentioned the utility model, one embodiment is a kind of method of detecting file placement location, be positioned in order to the detecting file and place crookedly in the paper-advance unit, and the action that drives paper feed comprises following steps:
One places step, is about to file and is positioned in this paper-advance unit;
One set-up procedure promptly conforms to document width in order to the paper width of putting of adjusting paper-advance unit;
One triggers step, triggers all set sensing components of this paper-advance unit with file;
One paper feed step promptly after this checks in the step really total sensing component and is triggered, drives the paper-feed on this paper-advance unit, with the automatic feed-in of file.
Therefore according to the described purpose of the utility model, one embodiment is a kind of device of detecting file placement location, comprise an ADF, a lateral paper guide, a paper-feed and at least two sensing components, it is characterized in that, described lateral paper guide is assembled in a side of this ADF, have two adjustable shelfs, and this two adjustable shelf has the ability that relatively moves; Described paper-feed, group is located on this ADF, and its side near this lateral paper guide is defined as leading edge; Described at least two sensing components are connected respectively on each adjustable shelf of this lateral paper guide, and this each sensing component is parallel to the tangential direction of the leading edge of this paper-feed.
So, after file is positioned over paper-advance unit, must drive all sensors, could begin paper feed, therefore can make file, and obtain good scanning quality with correct angle feed-in.
Description of drawings Fig. 1: the flow chart of one of the utility model method for detecting.Fig. 2: the flow chart of another method for detecting of the utility model.Fig. 3: the floor map of the arrangement for detecting of the utility model.Fig. 4: the local appearance figure of one of the utility model structure.The user mode schematic diagram of Fig. 5: Fig. 4.Fig. 6: the local appearance figure of another structure of the utility model.The user mode schematic diagram of Fig. 7: Fig. 6.
The method of specific embodiment detecting file placement location
The method of the utility model indication mainly is to detect when file is positioned over paper-advance unit whether be placed to crooked shape, and according to this as the condition of carrying out the autoamtic paper feeding action.And assemble two sensing components on this paper-advance unit at least.
Figure 1 shows that the flow chart of method for detecting.Comprise:
Step S11: one places step, and file is positioned in the paper-advance unit.
Step S12: a set-up procedure conforms to document width in order to the paper width of putting of adjusting paper-advance unit.
Step S13: one triggers step, triggers at least two set sensing components of this paper-advance unit with file.
Triggering described above is meant shake-up, or drives, or cancels the sensing effect of this sensing component.
Step S14: a paper feed step after total sensing component is triggered really in this triggering step, drives the paper-feed on this paper-advance unit, with the automatic feed-in of file.
In the above-mentioned triggering step, it is necessary triggering at least two sensing components.When particularly the distance between these two sensing components was equivalent to paper width, in a single day these two sensing components were triggered totally, represent that then file has presented correct angle.
Certainly, can be applicable to the file of different in width in order to make this method, these at least two sensing components must be able to be adjusted distance respect to one another with the paper width difference.
Figure 2 shows that the flow chart of another kind of method for detecting.It comprises aforementioned institute shown in Figure 1 in steps, and is with flow chart difference shown in Figure 1, between step S13 and the step S14, and inserting step S15 and step S16.
This step S15 one checks step, in order to check whether all sensing components are triggered in step S13 totally
This step S16 is a delay step, and promptly after this step S15 finished, (for example several seconds) just began the paper feed action of execution in step S14 to postpone a bit of time.
So, can allow file stablize and stagnate in the sphere of action of this paper-feed, just begin to carry out the paper feed action subsequently, exempt this paper-feed according to this before the feed-in file, produce unnecessary action.
It should be noted that in the method provided by the utility model, be triggered, represent that promptly this document laying state presents askew status, or put the paper width greater than document width if in this step S15, only check the sensing component of part.The file laying state of this moment is because of reaching the condition of execution in step S14, so this paper-feed can not rotate.
Can't carry out under the situation of automatic paper feed above-mentioned, the user need adjust the angle of placing file, or adjust this paper-advance unit put the paper width so that file can be contained in putting in the paper width of this paper-advance unit just, and keep not crooked paper feed angle.So the leading edge of this document just can trigger all sensing components really, and when automatic paper feed, can not produce the phenomenon of crooked paper feed or the phenomenon of paperboard.The device of detecting file placement location
Figure 3 shows that the floor map of the device of the utility model indication.It includes an ADF 21, a lateral paper guide 31, a paper-feed 41 and at least two sensing components 51.
This ADF 21 has a table top 22, at these table top 22 superordinates friction shim 23 is arranged.Two sides of this external this friction shim 23 are respectively equipped with a flexible paper guiding sheet 24.This above-mentioned paper guiding sheet 24 is independent rectangular plastic tab, or
Mould the both sides strip lamellar body in the material thin slice.
This lateral paper guide 31 is organized on a plate body and is established two adjustable shelfs 32, and this two adjustable shelf 32 can relative motions, form near or away from.And the spacing between two adjustable shelfs 32 is defined as putting the paper width.
This paper-feed 41 is assembled on this ADF 21, and relative with this friction shim 23.In icon, this paper-feed 41 goes to upper and lower relative status with friction shim 23, and we to define this paper-feed 41 be leading edge 42 near a side of lateral paper guide 31.
This sensing component 51 can be assemblies such as microswitch or optical sensor.Each sensing component 51 cooperates a connecting rod 53 to be fixed on this adjustable shelf 32, and so this sensing component 51 just can be along with adjustable shelf 32 moves.It should be noted that this sensing component 51 is parallel to the tangential direction of the leading edge 42 of this paper-feed 41.The set-up mode of connecting rod 53 can be 45 degree that from top to bottom tilt, and mechanism's stroke can not interfere carrying out of detecting when conveniently adjusting paper width, to obtain the effect of the best.
Fig. 4,5 is the local appearance figure and the user mode schematic diagram of one of the utility model structure.This sensing component 51 is a microswitch in graphic.Because this sensing component (microswitch) 51 has a touch pole 52 and certain thickness is arranged, and establishes for 51 groups for this sensing component so offer a chute 25 on this table top 22, and makes this sensing component 51 be able to move along this chute 25.
So when file 61 when lateral paper guide 31 slides to this ADF 21, this document 61 be able to be subjected to the bracketing and the guiding of paper guiding sheet 24, and this document 61 both sides be able to slide into the top of this sensing component 51, so this document 61 unlikely being trapped in this chute 25, and can press two touch poles 52 on the sensing component 51, and enter smoothly between this paper-feed 41 and the friction shim 23.
In order to guarantee that more file 61 can not be trapped in the chute 25, in design, the two side walls of chute 25 can be made concave surface 54 (or convex surface), skid off this chute 25 smoothly in order to file 61.
Because two sensing components 51 are parallel to the tangential direction of this this paper-feed 41, and this document 61 can press the touch pole 52 on two sensing components 51 again, so this document 61 relative these paper-feeds 41 present not crooked angle.
This document 61 presses two touch poles 52 and triggers sensing component 51, and as driving the necessary condition that this paper-feed 41 rotates, is not crooked shape so can guarantee the file placement in the present embodiment, and can guarantees that the paper feed angle is correct.
If above-mentioned two sensing components 51 wherein have at least one not to be triggered, then this paper-feed 41 will not rotate, adjust the angle of this document 61 or put the paper width until the user, make this document 61 can trigger two sensors 51, this paper-feed 41 is rotated.
Fig. 6,7 is depicted as the local appearance figure and the user mode schematic diagram of another structure of the utility model.This sensing component 51 is an optical sensor shown in the figure.This sensing component (optical sensor) 51 can utilize light blocking effect to reach the effect of switch (on/off).
This two sensing component 51 is provided in a side of on the tangential direction of edge 42 before parallel this paper-feed 41 equally, and can adjust with adjustable shelf 32 and put the paper width and move.As the user mode of last embodiment, in this embodiment, get and utilize this two sensing component 51 to detect the placement angle of file 61 equally, and utilize the condition of the triggering situation of two sensing components 51 as this paper-feed 41 of driving.
Set at least two sensing components 51 of the utility model move along with adjustable shelf 32, and the tangential direction of edge 42 before the parallel paper-feed 41 of the moving direction of each sensing component 51, so the utlity model has the effect that certain detecting file is placed angle, and the file 61 that detects is placed angle more as the condition that drives paper-feed 41, can guarantee this paper-feed 41 not malfunctions, cause the situation of crooked paper feed or paperboard.
The above announcement is the preferred embodiment of the utility model and designs graphic, only preferred embodiment and designing graphicly only illustrates, it is not the interest field that is used to limit the utility model skill, all with the skill means of equalization or the claim implementer of being contained by claims content, all do not break away from the category of the utility model and be applicant's interest field.
Claims (7)
1. device of detecting the file placement location, comprise an ADF, a lateral paper guide, a paper-feed and at least two sensing components, it is characterized in that described lateral paper guide is a side that is assembled in this ADF, have two adjustable shelfs, and this two adjustable shelf has the ability that relatively moves; Described paper-feed is that group is located on this ADF, and its side near this lateral paper guide is defined as leading edge; Described at least two sensing components be to be connected respectively on each adjustable shelf of this lateral paper guide, and this each sensing component are parallel to the tangential direction of the leading edge of this paper-feed.
2. the device of detecting file placement location as claimed in claim 1 is characterized in that, sensing component is a microswitch.
3. the device of detecting file placement location as claimed in claim 1 is characterized in that, sensing component is an optical sensor.
4. the device of detecting file placement location as claimed in claim 1 is characterized in that, the further assembly of ADF has friction shim, and this friction shim and paper-feed face one another.
5. the device of detecting file placement location as claimed in claim 1 is characterized in that, offers chute on the ADF and establishes and the space of moving as this sense component groups.
6. the device of detecting file placement location as claimed in claim 5 is characterized in that the wall system of chute is set as concave shape.
7. the device of detecting file placement location as claimed in claim 5 is characterized in that the wall system of chute is set as convex-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02215343 CN2526172Y (en) | 2002-01-24 | 2002-01-24 | Device for investigating document position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02215343 CN2526172Y (en) | 2002-01-24 | 2002-01-24 | Device for investigating document position |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2526172Y true CN2526172Y (en) | 2002-12-18 |
Family
ID=33694500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02215343 Expired - Fee Related CN2526172Y (en) | 2002-01-24 | 2002-01-24 | Device for investigating document position |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2526172Y (en) |
-
2002
- 2002-01-24 CN CN 02215343 patent/CN2526172Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20021218 |