CN2385884Y - Electric line feed script support - Google Patents

Abstract

The utility model relates to a semiautomatic line feed computer script support. A script frame plate of the script support retroverts 15 DEG and is fixed to a script support base, and the left and right sides of the script frame plate are respectively provided with parallel ruler supports which can slide up and down synchronously. Rulers are arranged in the open slots of the ruler supports and can be disassembled to be used independently, and two long edges on the rulers are provided with mutually corresponding centimeter scales and point unit scales. A script support is provided with a line feed press-button and a stroke selecting button, and the stroke can be adjusted in 2-20 mm. When the line feed press-button is pressed, the ruler supports supporting the rulers move down a stroke and stop automatically. The script support base is provided with a two-core socket connected with the line feed press-button, and a micro switch is stuck on a proper position of a computer keyboard through a leading wire. The line feed operation of the script support is more convenient.

Description

Electronic line feed original text frame

The utility model relates to a kind of device that is used for inserting and putting manuscript paper when operating the computer input file.

Existing computer original text frame is to be configured to propping up by an original text deckle board, and a clip that has horizontal horizontal staff moving up and down is arranged on the side of original text deckle board.During use manuscript paper is placed on the original text deckle board face, open and mobile clip with openhanded, allow the scale top expose a certain style of writing word of draft and the chi body covers a following part, the delegation that expose read-only scale top during operator's input characters causes input error with regard to being not easy because of misreading another row.Clip is driven and moved down to the intact delegation of every input literal with openhanded, and the next line that scale is covered exposes.When using this original text frame, the location of scale is more bothersome, directly influences operator's input speed.Use to confirm, move and the Position Scale time once, can import 8-14 Chinese character with hand.

The purpose of this utility model is: design a kind of rotation by control circuit control motor and stop, by machine driving, the scale of original text frame is moved down by the stroke of setting, realize the computer original text frame of semi-automatic line feed.

Task of the present utility model is finished like this: original text deckle board hypsokinesis 15 degree of original text frame are fixed on the original text stand, the original text deckle board each side has a parallel scale frame that can slide up and down synchronously, two scale frames relatively to the inboard open slot that makes progress is respectively arranged, when using the original text frame, scale places in the open slot of scale frame, can take off independent use, two long limits on the scale have the centimeter scale and the some unit scale (equal 1/180 inch) of mutual correspondence at 1, are convenient to different copy editor systems and convert when tabulation and mapping.There are a line feed button and a stroke selector button in original text stand front, when pressing the line feed button, after making the scale frame that is holding in the palm scale move down a stroke, the transmission of Motor Drive machinery stops automatically, the stroke that moves down is between 2-20mm, select button to set by line-spacing, the stroke selector switch is established 10 grades altogether, and the pass of stroke and gear n is 2mm * n, to adapt to the difference of Draft Copy size.Compare with existing original text frame, when scale on the original text frame was moved down, the utility model only need dub the button that enters a new line and can finish, and saves time, and has reduced operational trouble.The original text stand is equipped with two core sockets that connect with the line feed button, by lead-in wire a microswitch is mounted position suitable on the computer keyboard, and is more convenient during the line feed of operation original text frame.

Below in conjunction with embodiment and accompanying drawing, describe structure of the present utility model, circuit working principle and course of action in detail.

Accompanying drawing 1 to accompanying drawing 5 is the electronic line feed original text framves that design and produce according to the utility model.Accompanying drawing 1 is an original text frame front view; Accompanying drawing 2 is original text frame side views; Accompanying drawing 3 is original text frame rear view; Accompanying drawing 4 is scale maps; Accompanying drawing 5 is circuit diagrams.In accompanying drawing 1, accompanying drawing 2, the accompanying drawing 3, the 1st, the original text folder, effect is to clamp manuscript paper.The 2nd, original text frame-saw plate, inside casing area are the A4 breadth, and manuscript paper is placed on the inside casing, is clamped by original text.The 3rd, the desirable scale that uses down separately, have on the scale mutual correspondence centimetre and some unit scale.The 4th, scale frame, about each one, they have the groove of upward opening in the opposite in opposite directions, are used for placing scale, scale frame draws synchronous parallel sliding by backguy.The 5th, the original text stand, it is a flat sylphon by appearance requirement design, except supporting fixedly the original text deckle board, in control circuit printed board and motor, battery all are installed in the space of picture.The 6th, line feed button (NO).The 7th, motor (D).The 8th, be enclosed within the worm screw on the motor rotary shaft.The 9th, idle pulley dish, web are the teeth that can coincide mutually with the screw thread on the worm screw, and 72 equidistant apertures are arranged on the concentric circles line near web, and each aperture and adjacent aperture are 5 degree corresponding to the angle in the idle pulley dish center of circle.The 10th, be contained in the wire-drawing wheel at four angles, the original text frame-saw back side.The 11st, sliding plate, web is fluted, and the diameter of sliding plate is 45.54mm, and girth is 144mm, and by 72 five equilibriums, per minute is 2mm, is 5 degree corresponding to the angle in the center of circle.The 12nd, backguy.The 13rd, stroke is selected button (SK).The machine components relevant with machine driving are: the worm screw 8 of a headgear on motor rotary shaft, idle pulley dish 9, sliding plate 11, backguy 12, wire-drawing wheel 10, scale frame 3.Their installation relations on the original text frame are: the dish tooth of worm screw and idle pulley dish coincide; Coaxial flat folded the installation on the idle pulley dish of sliding plate, by spring compression, backguy behind a circle, through the wire-drawing wheel of four jiaos of original text frame-saw plates, is connected with two scale frames and fixes with scale frame in the groove on sliding plate limit.When motor rotated, the dish tooth of worm drive idle pulley web made idle pulley do to slow down and rotates, and under the effect of spring pressure, produces the motion friction with sliding plate, drives sliding plate and rotates together; Wire-drawing wheel is passed through in the backguy of taking up in the groove of sliding plate limit, affects scale frame to do exercises direction together shown in arrow in the accompanying drawing 3.The aperture of idle pulley dish detects in the breach at the ED of control circuit and turns over, and when first hole went to second hole, feelings wheel disc and sliding plate had rotated 5 degree simultaneously, promptly drive scale frame descending 2mm.In the time of need adjusting scale up or down, move up or down with the hand steered scale frame of living, scale frame affects sliding plate by backguy, overcomes the friction with idle pulley, and scale frame is slided to desired location.

Control circuit of the present utility model is made up of power switch circuit, counting circuit, signal deteching circuit, power take off spare.In accompanying drawing 5, power switch circuit and counting circuit, signal deteching circuit, power take off spare polyphone, the control end of on-off circuit also is connected with the output of counting circuit; The input of counting circuit is connected with the output of signal deteching circuit; Power take off spare and counting circuit, signal deteching circuit also connect.Controllable silicon SCR, resistance R 2, R1, often open contact-making switch NO (line feed button) and form power switch circuit; Resistance R 3, R4, optical detection device ED form signal deteching circuit, R3, R4 are current-limiting resistances, ED inside is made up of a light-emitting component and a photo-sensitive cell, the outer pincer that forms, light-emitting component and photo-sensitive cell be respectively on the both sides of pincerlike breach, ED when mounted, pincerlike breach pincers are contained on the idle pulley web of machine components, when the idle pulley dish rotated, the aperture on the dish all passed through the pincerlike breach of ED; Resistance R 5, R6, capacitor C, IC, 1 * 10 selector switch SK, triode BG form counting circuit.R5, R6 are current drain resistance; IC is decade counter CD4017, and it has 10 output Y0-Y9 and a carry output X, and a pulse input end cp and set end R are arranged; The base stage of triode BG connects the movable contact of SK, and colelctor electrode is received the control end of power switch circuit, grounded emitter; Ten stationary contacts of SK are received output Y1-Y9 and the X of IC in order respectively; Power take off spare is a small size motor D.The control circuit course of work: the movable contact of stroke selector switch is placed the position that needs, Push switch NO (line feed button), power supply triggers the controllable silicon SCR conducting by resistance R 1, there is electric current to flow through in the resistance R 2, make when NO disconnects, keep electric current among the SCR and flow through, still keep conducting; After the SCR conducting, the capacitor C of counting circuit is to reset signal of the reset terminal R of IC input, make the output Y0 of IC be high potential, output Y1-Y9 and carry output X are electronegative potential, at this moment, the current potential of R end makes the pulse input end cp of IC be in wait state owing to releasing of R5 becomes electronegative potential; In the time of the SCR conducting, motor D gets electric rotation, the worm drive feelings wheel disc that is enclosed within the D rotating shaft rotates, aperture on the idle pulley dish passes through the pincerlike breach of signal deteching circuit ED successively, when aperture passes through breach, the ED photo-sensitive cell is subjected to the infrared light irradiation that light-emitting component sends, the ED output is sent a high potential pulse to the pulse input end cp of IC, after aperture turned over the breach of ED, infrared light was blocked, and photo-sensitive cell can not get illumination, the output no-output, make the cp end of IC under the effect of releasing of R6, be electronegative potential, finished the variation of a pulse period, the input of wait next pulse; The pulse input end cp of IC whenever obtains a pulse signal, the output of its high potential just overturns and is electronegative potential, the output of next electronegative potential then overturns and is high potential, the order of upset is from Y1-Y9-X, and when turning to the output that is connected with the SK movable contact, the base stage of triode BG becomes high potential from electronegative potential, triode BG conducting, current collection is electronegative potential very, the control end of SCR also for electronegative potential by pinch off, the stall of motor dead electricity; Entire circuit is finished course of action one time, if press NO once more, circuit repeats last course of action again.In circuit of the present utility model, a twin-core socket CK who is connected with line feed button NO and power supply earth polar is arranged, by plug and lead a microswitch is posted appropriate location on the computer keyboard, make more convenient operation to the original text frame.(also can connect with the serial port of computer by one 9 pin plug, connect data output and 5 volts of power ends, write a short and small dedicated program again, after the operation, just can utilize on the keyboard less some keys of using as the line feed button of original text frame, the utility model is more convenient for and computer is used).

Claims (3)

1, a kind of computer original text frame of semi-automatic line feed.Original text deckle board hypsokinesis 15 degree of original text frame are fixed on the original text stand, the original text deckle board each side has a parallel scale frame that can slide up and down synchronously, two scale frames relatively to the inboard open slot that makes progress is respectively arranged, when using the original text frame, scale places in the open slot of scale frame, can take off independent use, two long limits on the scale have the centimeter scale and the some unit scale (equal 1/180 inch) of mutual correspondence at 1, are convenient to different copy editor systems and convert when tabulation and mapping.There are a line feed button and a stroke selector button in original text stand front, when pressing the line feed button, after making the scale frame that is holding in the palm scale move down a stroke, the transmission of Motor Drive machinery stops automatically, the stroke that moves down is between 2-20mm, select button to set by line-spacing, the stroke selector switch is established 10 grades altogether, and the pass of stroke and gear n is 2mm * n, to adapt to the difference of Draft Copy size.The original text stand is equipped with two core sockets that connect with the line feed button, by lead-in wire a microswitch is mounted position suitable on the computer keyboard, and is more convenient during the line feed of operation original text frame.

2, electronic line feed original text frame according to claim 1, it is characterized in that: the original text area of putting of original text deckle board is the A4 breadth, original text deckle board hypsokinesis 15 degree are fixed on the original text stand, the original text deckle board each side has a parallel scale frame that can slide up and down synchronously, two scale frames relatively to the inboard open slot that makes progress is respectively arranged, when using the original text frame, scale places in the open slot of scale frame, can take off independent use, there is the centimeter scale of mutual correspondence on two long limits on the scale and puts the unit scale.An original text folder that bends with steel wire is arranged at the top in original text deckle board front, clamps manuscript paper with it.The original text stand is a flat sylphon by appearance requirement design, except supporting fixedly the original text deckle board, in all built-in space of control circuit printed board and motor, battery.Have a line feed button and a stroke to select button on the original text stand, they are communicated with the NO and the SK of control circuit respectively.The original text frame has a worm screw that is enclosed within on the motor rotary shaft, and screw thread is arranged on the worm screw.An idle pulley dish is arranged, and web is the tooth that can coincide mutually with the screw thread on the worm screw, and 72 equidistant apertures are arranged on the concentric circles line near web, and each aperture and adjacent aperture are 5 degree corresponding to the angle in the idle pulley dish center of circle.Four wire-drawing wheels that are contained in four angles of original text frame-saw backboard face are arranged.A sliding plate is arranged, and web is fluted, and the diameter of sliding plate is 45.54mm, and girth is 144mm, and by 72 five equilibriums, per minute is 2mm, is 5 degree corresponding to the angle in the center of circle.Coaxial flat folded the installation on the idle pulley dish of sliding plate, by spring compression, backguy behind a circle, through the wire-drawing wheel of four jiaos of original text frame-saw plates, is connected with two scale frames and fixes with scale frame in the groove on sliding plate limit.When motor rotated, the dish tooth of worm drive idle pulley web made idle pulley do to slow down and rotates, and under the effect of spring pressure, produces the motion friction with sliding plate, drives sliding plate and rotates together; Wire-drawing wheel is passed through in the backguy of taking up in the groove of sliding plate limit, affects scale frame to do motion together.In the time of need adjusting scale up or down, move up or down with the hand steered scale frame of living, scale frame affects sliding plate by backguy, overcomes the friction with idle pulley, and scale frame is slided to desired location.

3, electronic line feed original text frame according to claim 1, it is characterized in that: control circuit is made up of power switch circuit, counting circuit, signal deteching circuit, power take off spare.Power switch circuit and counting circuit, signal deteching circuit, power take off spare polyphone, the control end of on-off circuit also is connected with the output of counting circuit; The input of counting circuit is connected with the output of signal deteching circuit; Power take off spare and counting circuit, signal deteching circuit are in parallel.Controllable silicon SCR, resistance 1, R2, often open contact-making switch NO and form power switch circuit; The termination battery E of NO+utmost point, the end of another termination R1, the control utmost point of another termination SCR of R1; The positive pole of SCR connects battery E's+utmost point, and the negative pole of SCR connects the positive source of counting circuit, signal deteching circuit.Resistance R 3, R4, optical detection device ED form signal deteching circuit; The termination power positive pole of R3, R4, the positive pole of another termination ED light-emitting component of R3, the input utmost point of another termination ED photo-sensitive cell of R4, the negative pole of ED light-emitting component connects power supply ground, and the output stage of ED photo-sensitive cell is received the cp end of the IC integrated circuit of counting circuit.Capacitor C, current drain resistance R 5, R6, IC, 1 * 10 selector switch SK, triode BG form counting circuit; The positive pole of C connects positive source, and negative pole connects the R end of IC; The R end of the termination IC of R5; The cp end of R6 one end IC and the ED output of signal deteching circuit, another termination power cathode; IC is decade counter CD4017, and it has 10 output Y0-Y9 and a carry output X, and a pulse input end cp and set end R are arranged; The Y0 end of IC is vacant, and Y1-Y9 and X end are connected with ten stationary contacts of SK respectively in order; The movable contact of SK is connected with the base stage of triode BG; The colelctor electrode of BG is connected with the SCR control end of power switch circuit, and the emitter stage of BG connects power supply ground.Power take off spare is a small size motor, it+,-hold to connect positive source and negative pole respectively.CK is one two a core socket, and its break is connected with power supply ground, and two other movable contact is attempted by the two ends of NO respectively.

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