CN204258915U - The adjustable scanner of a kind of lampshade - Google Patents

Abstract

The utility model relates to the adjustable scanner of a kind of lampshade, comprises motor cabinet and motor, and the output of motor is connected with screw mandrel, and screw mandrel runs through bearing A is connected with scanning bracket, and screw mandrel is provided with the screw matched with it; In adjustment barrel, be provided with two flexure strips be arranged side by side, the arc top of two flexure strips connects dorsad; Fixed mount lateral wall is provided with adjustment seat, the middle part of position-arresting disk has through hole and this through hole and rotating shaft matched in clearance, rotating shaft is fixed with regulating wheel, the vertical end chain connection of gag lever post has connecting rod, the movable end chain connection of two connecting rods, is provided with the little tooth be meshed with left and right sides cingulum on regulating wheel at the middle part of gag lever post; In the whole process of screw rod transmission, radial applied stress realizes weakening step by step by slowing down step by step of two flexure strips, ensure that the radial forces that screw mandrel produces is eliminated to avoid the movement to screw and scanning lampshade to impact completely, improve the accuracy of scanning document further.

Description

The adjustable scanner of a kind of lampshade

Technical field

The utility model relates to a kind of scanner, specifically refers to the adjustable scanner of a kind of lampshade.

background technologyscanner utilizes photoelectric technology and digital processing technology, with scan mode, figure or image information is converted to the device of digital signal, uses quite extensive in modern handle official bussiness.But during for some large file scan, be limited by the size of scanner self, often disposablely can not complete scanning, sometimes folding laggard line scanning will be carried out to file, so not only for file, there is certain destructiveness, simultaneously stable not when scanning, have influence on the carrying out of scanning work; And when scanning, the transmission of motor there will be the circular runout of drive link often, making the scan lamp when scanning directly occur skipping when certain is skimmed on file, causing file scan imperfect, reducing scanning accuracy.

Utility model content

The purpose of this utility model is to provide a kind of lampshade adjustable scanner, and can solve that file is excessive cannot the situation of single pass, makes file scan more stable, more accurate.

The purpose of this utility model is achieved through the following technical solutions:

The adjustable scanner of a kind of lampshade, comprise motor cabinet and be arranged on the motor on motor cabinet, described motor cabinet is fixed with bearing A, the output of motor is connected with screw mandrel, and screw mandrel runs through bearing A is connected with scanning bracket, screw mandrel is provided with the screw matched with it; Also comprise the adjustment barrel be fixed on by fastening disk on motor cabinet, two flexure strips be arranged side by side are installed in adjustment barrel, and the cross section of flexure strip is waveform, the arc top of two flexure strips connects dorsad, the end winding support of one in two flexure strips is on contact ring, described screw mandrel runs through contact ring and freely rotates in contact ring, and another the end in two flexure strips is connected with the inwall of adjustment barrel; Scanning bracket is axial symmetry is provided with two grooves with screw mandrel, baffle plate is provided with in groove, baffle plate is connected with the bottom of groove by spring, baffle plate is fixed with pressure sensor, pressure sensor is connected with motor by wire, and the side of screw is provided with the projection corresponding with pressure sensor; A fixed mount is separately installed with at two screws, rotate between two fixed mounts and be provided with two lampshades, described fixed mount lateral wall is provided with adjustment seat, the rotating shaft of described lampshade runs through adjustment seat, be provided with position-arresting disk in adjustment seat, the middle part of position-arresting disk has through hole and this through hole and rotating shaft matched in clearance, and rotating shaft is fixed with regulating wheel, and regulating wheel is between position-arresting disk and adjustment seat, the excircle along regulating wheel is halved and is provided with the contrary cingulum of two sections of teeth directionals; Also comprise the gag lever post of two L shapes, the horizontal ends of described gag lever post is connected with adjustment seat by jump ring, the vertical end chain connection of gag lever post has connecting rod, and the movable end chain connection of two connecting rods is provided with the little tooth be meshed with left and right sides cingulum on regulating wheel at the middle part of gag lever post; The end of described position-arresting disk is provided with fan-shaped projection, projection is provided with deep-slotted chip breaker, regulating wheel is fixed with bearing pin, and bearing pin is positioned at deep-slotted chip breaker.

When the utility model uses, the scanning lampshade of scanner is fixed on screw, starter motor, screw mandrel starts to rotate, the screw simultaneously cooperatively interacted with screw mandrel starts the back and forth movement of straight line, scan lamp starts to scan file, in the rotation process of motor, the rotational stability of its output changes often, namely cause screw mandrel that certain circular runout occurs, and then scan lamp directly occurs skipping when on file, certain is skimmed over when making to scan, cause file scan imperfect, reduce scanning accuracy, the utility model is provided with adjustment barrel on motor cabinet, being provided with two cross sections in adjustment barrel is dorsad corrugated flexure strip, when screw mandrel generation circular runout, screw mandrel outer wall and contact ring, deformation is there is after two flexure strips are subject to radial active force, the elastic force that flexure strip produces after replying deformation is contrary with radial effect force direction, and then the impact of the circular runout of screw mandrel generation is eliminated, remain fixed in the screw on screw mandrel and scan the stable movement of lampshade, improve scanning accuracy, wherein, the cross section of flexure strip is waveform, and the arc top of two flexure strips is connected, the end of one in two flexure strips is connected with the outer wall of screw mandrel by contact ring, no matter there is the circular runout in which direction in screw mandrel, the force transmission that contact ring can be produced is to flexure strip, and the radial stress of generation is passed to arc top by the end of flexure strip by a flexure strip respectively, by another flexure strip, the active force on arc top is passed to adjustment barrel by the end of flexure strip again, last impact of being born active force by motor cabinet, in whole process, radial applied stress realizes weakening step by step by slowing down step by step of two flexure strips, ensure that the radial forces that screw mandrel produces is eliminated to avoid the movement to screw and scanning lampshade to impact completely, the accuracy of further raising scanning document, and moving to scanning bracket sidewall at screw is, be arranged on projection and the pressure sensor contacts of screw side, pressure sensor continues mobile with projection simultaneously, the Compress Spring until baffle plate moves to right, the utility model adopts double-surface contact type transducer, when spring-compressed and when contrary with a direction of motion elastic force is produced to baffle plate, pressure sensor both sides are all subject to active force, now pressure sensor signal transmission is to motor, control motor stalls, prevent the over-travel of screw from causing collsion damage to scanning bracket, the spring installed in groove of the utility model by projection to the damping of shocks of scanning bracket while, also can reduce the protruding collsion damage to pressure sensor, improve the useful life of each parts of the utility model,

When the scanning for large files or accordion paper, common scanner cannot scan completely to each local of file, and then cause the loss of file content, during utility model works, fluorescent tube is fixed in lampshade, the angular dimension between two lampshades is regulated according to the size of time document scanning area, to realize the scanning effect of maximum magnitude, directly the connecting rod that two are hinged is pressed down, spacing between two gag lever posts is increased, gag lever post is separated with cingulum with the intermeshing little tooth of regulating wheel simultaneously, rotate lamp shade body simultaneously, two lampshades are adjusted to best angle, the sweep limits of fluorescent tube is made to reach maximum, then by connecting rod pull-up, little tooth on gag lever post is engaged with cingulum again, and then realize retightening of rotating shaft, the horizontal ends end of gag lever post is connected with adjustment seat by jump ring, make connecting rod when upper moving, gag lever post Quick-return original position, and the excircle of the left and right sides of described regulating wheel is provided with the cingulum of contrary teeth directional, can ensure that no matter lampshade is clockwise or after being rotated counterclockwise, regulating wheel all can be fixed by gag lever post, and then ensure the stability of lampshade in scanning moving process, improve integrality and the accuracy of large files scanning, and in the adjustment process of lampshade, regulating wheel is fixed with bearing pin, the end of position-arresting disk is provided with projection, projection is provided with deep-slotted chip breaker, and bearing pin is placed in deep-slotted chip breaker, when the spindle is rotated, bearing pin moves with the cell wall of regulating wheel arcuately groove, until when bearing pin moves to the two ends of deep-slotted chip breaker, rotating shaft stops operating, and then realize rotating shaft and lampshade clockwise or counterclockwise maximum rotation angle in a circumferential direction, by the restriction of deep-slotted chip breaker to bearing pin and regulating wheel, the angle that can effectively prevent lampshade from rotating is excessive and make the sweep limits formed between two lampshades occur gap, the precision of further raising file scan.

The central angle at described deep-slotted chip breaker place is 40 ° ~ 75 °.The central angle at deep-slotted chip breaker place is located within the scope of 40 ° ~ 75 °, make the scanning area coverage of fluorescent tube in two lampshades reach actual file scanning needed for best area, while improving the utility model practicality, avoid in file scan process, occurring that the phenomenon that local content is lost occurs.

Offer L connected in star in the horizontal ends of described gag lever post, the projection on position-arresting disk is placed in L connected in star.After the angular adjustment of lampshade and rotating shaft, the U-shaped that the L connected in star that the projection on position-arresting disk is fixed on two gag lever post horizontal ends places is formed holds in space, and then the stability realizing rotating shaft and lampshade moves, and improves the stability in scanning process.

Described screw mandrel offers annular groove, the outer wall of annular groove and the contact internal walls of contact ring.Cannelure offered by screw mandrel, and adjustment barrel is arranged in cannelure, contact ring and screw is made to occur difference in height on screw mandrel, when there is circular runout when screw mandrel is in transmission, first contact ring in annular groove contacts with bottom land, by the flexure strip of adjustment barrel inside, the applied stress of radial direction is eliminated in advance, avoid the screw on screw mandrel to be subject to the impact of radial effect stress, improve the stability of screw rod transmission further.

Also comprise the outer washer, the inner washer that set gradually, the wall contacts of described inner washer and screw mandrel.The outer washer set gradually up and down and inner washer, the stress reduced between motor cabinet and screw mandrel is concentrated, and prevents screw mandrel impaired.

The end of described screw mandrel is fixed in scanning bracket by bearing B, and the end outer wall of screw mandrel has screw thread, and screw mandrel is connected with bearing B by set bolt.The end outer wall of screw mandrel offers screw thread, and be connected with scanning bracket by set bolt, by regulating set bolt and then making the moving displacement of screw on screw mandrel can carry out increasing or reducing according to actual conditions, and then greatly improve scan efficiency, improve practicality of the present utility model simultaneously.

The utility model compared with prior art, has following advantage and beneficial effect:

1, there is the circular runout in which direction in the utility model no matter screw mandrel, the force transmission that contact ring can be produced is to flexure strip, and the radial stress of generation is passed to arc top by the end of flexure strip by a flexure strip respectively, by another flexure strip, the active force on arc top is passed to adjustment barrel by the end of flexure strip again, last impact of being born active force by motor cabinet, in whole process, radial applied stress realizes weakening step by step by slowing down step by step of two flexure strips, ensure that the radial forces that screw mandrel produces is eliminated to avoid the movement to screw and scanning lampshade to impact completely, the accuracy of further raising scanning document, the spring simultaneously installed in groove by projection to the damping of shocks of scanning bracket while, also can reduce the protruding collsion damage to pressure sensor, improve the useful life of each parts of the utility model, when the spindle is rotated, bearing pin moves with the cell wall of regulating wheel arcuately groove, until when bearing pin moves to the two ends of deep-slotted chip breaker, rotating shaft stops operating, and then realize rotating shaft and lampshade clockwise or counterclockwise maximum rotation angle in a circumferential direction, by the restriction of deep-slotted chip breaker to bearing pin and regulating wheel, the angle that can effectively prevent lampshade from rotating is excessive and make the sweep limits formed between two lampshades occur gap, improves the precision of file scan further,

2, adjustment barrel is arranged in cannelure by the utility model, contact ring and screw is made to occur difference in height on screw mandrel, when there is circular runout when screw mandrel is in transmission, first contact ring in annular groove contacts with bottom land, by the flexure strip of adjustment barrel inside, the applied stress of radial direction is eliminated in advance, avoid the screw on screw mandrel to be subject to the impact of radial effect stress, improve the stability of screw rod transmission further;

The end outer wall of 3, the utility model screw mandrel offers screw thread, and be connected with scanning bracket by set bolt, by regulating set bolt and then making the moving displacement of screw on screw mandrel can carry out increasing or reducing according to actual conditions, and then greatly improve scan efficiency, improve practicality of the present utility model simultaneously.

Accompanying drawing explanation

Accompanying drawing described herein is used to provide the further understanding to the utility model embodiment, forms a application's part, does not form the restriction to the utility model embodiment.In the accompanying drawings:

Fig. 1 is the utility model structural representation;

Fig. 2 is the A place enlarged drawing of Fig. 1;

Fig. 3 is the structural representation of lampshade;

Fig. 4 is the structural representation of adjustment seat;

Mark and corresponding parts title in accompanying drawing:

1-motor, 2-motor cabinet, 3-adjustment barrel, 4-fastening disk, 5-bearing A, 6-outer washer, 7-inner washer, 8-screw mandrel, 9-screw, 10-scanning bracket, 11-bearing B, 12-set bolt, 13-contact ring, 14-flexure strip, 15-groove, 16-spring, 17-baffle plate, 18-gravity sensor, 19-is protruding, 20-fixed mount, 21-adjustment seat, 22-lampshade, 23-fluorescent tube, 24-gag lever post, 25-connecting rod, 26-L connected in star, 27-regulating wheel, 28-rotating shaft, 29-deep-slotted chip breaker, 30-bearing pin, 31-position-arresting disk, 32-jump ring.

Embodiment

Clearly understand for making the purpose of this utility model, technical scheme and advantage, below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, exemplary embodiment of the present utility model and explanation thereof are only for explaining the utility model, and conduct is not to restriction of the present utility model.

Embodiment 1

As shown in Figures 1 to 4, the present embodiment comprises motor cabinet 2 and is arranged on the motor 1 on motor cabinet 2, described motor cabinet 2 is fixed with bearing A5, the output of motor 1 is connected with screw mandrel 8, and screw mandrel 8 runs through bearing A5 is connected with scanning bracket 10, screw mandrel 8 is provided with the screw 9 matched with it; Also comprise the adjustment barrel 3 be fixed on by fastening disk 4 on motor cabinet 2, two flexure strips be arranged side by side 14 are installed in adjustment barrel 3, and the cross section of flexure strip 14 is waveform, the arc top of two flexure strips 14 connects dorsad, the end winding support of one in two flexure strips 14 is on contact ring 13, described screw mandrel 8 runs through contact ring 13 and freely rotates in contact ring 13, and another the end in two flexure strips 14 is connected with the inwall of adjustment barrel 3; In scanning bracket 10 with screw mandrel 8 for axial symmetry is provided with two grooves 15, baffle plate 17 is provided with in groove 15, baffle plate 17 is connected with the bottom of groove 15 by spring 16, baffle plate 17 is fixed with pressure sensor 18, pressure sensor 18 is connected with motor 1 by wire, and the side of screw 8 is provided with the projection 19 corresponding with pressure sensor 18; A fixed mount 20 is separately installed with at two screws 9, rotate between two fixed mounts 20 and be provided with two lampshades 22, described fixed mount 20 lateral wall is provided with adjustment seat 21, the rotating shaft 28 of described lampshade 22 runs through adjustment seat 21, in adjustment seat 21, position-arresting disk 31 is installed, the middle part of position-arresting disk 31 has through hole and this through hole and rotating shaft 28 matched in clearance, rotating shaft 28 is fixed with regulating wheel 27, and regulating wheel 27 is between position-arresting disk 31 and adjustment seat 21, the excircle along regulating wheel 27 is halved and is provided with the contrary cingulum of two sections of teeth directionals; Also comprise the gag lever post 24 of two L shapes, the horizontal ends of described gag lever post 24 is connected with adjustment seat 21 by jump ring 32, the vertical end chain connection of gag lever post 24 has connecting rod 25, the movable end chain connection of two connecting rods 25, is provided with the little tooth be meshed with left and right sides cingulum on regulating wheel 27 at the middle part of gag lever post 24; The end of described position-arresting disk 31 is provided with fan-shaped projection, projection is provided with deep-slotted chip breaker 29, and regulating wheel 27 is fixed with bearing pin 30, and bearing pin 30 is positioned at deep-slotted chip breaker 29; Offer groove 26 in the horizontal ends of described gag lever post 24, the projection on position-arresting disk 31 is placed in groove 26; Described screw mandrel 8 offers annular groove, the outer wall of annular groove and the contact internal walls of contact ring 13; The end of described screw mandrel 8 is fixed in scanning bracket 10 by bearing B11, and the end outer wall of screw mandrel 8 has screw thread, and screw mandrel 8 is connected with bearing B11 by set bolt 12; The central angle at described deep-slotted chip breaker 29 place is 40 ° ~ 75 °; Described screw mandrel 8 offers annular groove, the outer wall of annular groove and the contact internal walls of contact ring 13; The end of described screw mandrel 8 is fixed in scanning bracket 10 by bearing B11, and the end outer wall of screw mandrel 8 has screw thread, and screw mandrel 8 is connected with bearing B11 by set bolt 12.

When the utility model uses, the scanning lampshade of scanner is fixed on screw 9, starter motor 1, screw mandrel 8 starts to rotate, the screw 9 simultaneously cooperatively interacted with screw mandrel 8 starts the back and forth movement of straight line, scan lamp starts to scan file, in the rotation process of motor 1, the rotational stability of its output changes often, namely cause screw mandrel 8 that certain circular runout occurs, and then scan lamp directly occurs skipping when on file, certain is skimmed over when making to scan, cause file scan imperfect, reduce scanning accuracy, the utility model is provided with adjustment barrel 3 on motor cabinet 2, being provided with two cross sections in adjustment barrel 3 is dorsad corrugated flexure strip 14, when there is circular runout in screw mandrel 8, screw mandrel 8 outer wall and contact ring 13, deformation is there is after two flexure strips 14 are subject to radial active force, the elastic force that flexure strip 14 produces after replying deformation is contrary with radial effect force direction, and then the impact of the circular runout to be produced by screw mandrel 8 is eliminated, remain fixed in the screw 9 on screw mandrel 8 and scan the stable movement of lampshade, improve scanning accuracy, wherein, the cross section of flexure strip 14 is waveform, and the arc top of two flexure strips 14 is connected, the end of one in two flexure strips 14 is connected with the outer wall of screw mandrel 8 by contact ring 13, no matter there is the circular runout in which direction in screw mandrel 8, the force transmission that contact ring 13 can be produced is to flexure strip 14, and the radial stress of generation is passed to arc top by the end of flexure strip 14 by a flexure strip 14 respectively, by another flexure strip 14, the active force on arc top is passed to adjustment barrel 3 by the end of flexure strip 14 again, last impact of being born active force by motor cabinet 2, in whole process, radial applied stress realizes weakening step by step by slowing down step by step of two flexure strips 14, ensure that the radial forces that screw mandrel 8 produces is eliminated to avoid the movement to screw 9 and scanning lampshade to impact completely, the accuracy of further raising scanning document, and moving to scanning bracket 10 sidewall at screw 9 is, the projection 19 being arranged on screw 9 side contacts with pressure sensor 18, pressure sensor 18 continues mobile with protruding 19 simultaneously, the Compress Spring 16 until baffle plate 17 moves to right, the utility model adopts double-surface contact type transducer, when compressing when spring 16 and baffle plate 17 produced to contrary with a direction of motion elastic force, pressure sensor 18 both sides are all subject to active force, now pressure sensor 18 signal transmission is to motor 1, control motor 1 to stop operating, prevent the over-travel of screw 9 from causing collsion damage to scanning bracket 10, the spring 16 installed in groove 15 of the utility model while by the damping of shocks of protruding 19 pairs of scanning bracket 10, also can reduce the collsion damage of protruding 19 pairs of pressure sensors 18, improve the useful life of each parts of the utility model,

When the scanning for large files or accordion paper, common scanner cannot scan completely to each local of file, and then cause the loss of file content, during utility model works, fluorescent tube 23 is fixed in lampshade 22, the angular dimension between two lampshades 22 is regulated according to the size of time document scanning area, to realize the scanning effect of maximum magnitude, directly two connecting rods be hinged 25 are pressed down, spacing between two gag lever posts 24 is increased, gag lever post 24 is separated with cingulum with the intermeshing little tooth of regulating wheel 27 simultaneously, rotate lampshade 22 body simultaneously, two lampshades 22 are adjusted to best angle, the sweep limits of fluorescent tube 23 is made to reach maximum, then by connecting rod 25 pull-up, little tooth on gag lever post 24 is engaged with cingulum again, and then realize retightening of rotating shaft 28, the horizontal ends end of gag lever post 24 is connected with adjustment seat 21 by jump ring 32, make connecting rod 25 when upper moving, gag lever post 24 Quick-return original position, and the excircle of the left and right sides of described regulating wheel 27 is provided with the cingulum of contrary teeth directional, can ensure that no matter lampshade 22 is clockwise or after being rotated counterclockwise, regulating wheel 27 all can be fixed by gag lever post 24, and then ensure the stability of lampshade 22 in scanning moving process, improve integrality and the accuracy of large files scanning, and in the adjustment process of lampshade 22, regulating wheel 27 is fixed with bearing pin 30, the end of position-arresting disk 31 is provided with projection, projection is provided with deep-slotted chip breaker 29, and bearing pin 30 is placed in deep-slotted chip breaker 29, when rotating shaft 28 is rotated, bearing pin 30 moves with the cell wall of regulating wheel 27 arcuately groove 29, until when bearing pin 30 moves to the two ends of deep-slotted chip breaker 29, rotating shaft 28 stops operating, and then realize rotating shaft 28 and lampshade 22 clockwise or counterclockwise maximum rotation angle in a circumferential direction, by the restriction of deep-slotted chip breaker 29 pairs of bearing pins 30 and regulating wheel 27, the angle that can effectively prevent lampshade 22 from rotating is excessive and make the sweep limits formed between two lampshades 22 occur gap, the precision of further raising file scan.

After the angular adjustment of lampshade 3 and rotating shaft 9, the U-shaped that the groove 7 that projection on position-arresting disk 12 is fixed on two gag lever post 5 horizontal ends places is formed holds in space, and then the stability realizing rotating shaft 9 and lampshade 3 moves, improve the stability in scanning process; The central angle at deep-slotted chip breaker 10 place is located within the scope of 40 ° ~ 75 ° simultaneously, make the scanning area coverage of fluorescent tube 23 in two lampshades 3 reach actual file scanning needed for best area, while improving the utility model practicality, avoid in file scan process, occurring that the phenomenon that local content is lost occurs.

Cannelure offered by screw mandrel 8, and adjustment barrel 3 is arranged in cannelure, contact ring 13 and screw 9 is made to occur difference in height on screw mandrel 8, when there is circular runout when screw mandrel 8 is in transmission, first contact ring 13 in annular groove contacts with bottom land, by the flexure strip 14 of adjustment barrel 3 inside, the applied stress of radial direction is eliminated in advance, avoid the screw 9 on screw mandrel 8 to be subject to the impact of radial effect stress, improve the stability of screw mandrel 8 transmission further; The end outer wall of screw mandrel 8 offers screw thread, and be connected with scanning bracket 10 by set bolt 12, by regulating set bolt 12 and then making the moving displacement of screw 9 on screw mandrel 8 can carry out increasing or reducing according to actual conditions, and then greatly improve scan efficiency, improve practicality of the present utility model simultaneously.

Above-described embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only embodiment of the present utility model; and be not used in restriction protection range of the present utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.

Claims (6)

1. the adjustable scanner of lampshade, comprise motor cabinet (2) and be arranged on the motor (1) on motor cabinet (2), it is characterized in that: (2) are fixed with bearing A(5 to described motor cabinet), the output of motor (1) is connected with screw mandrel (8), and screw mandrel (8) runs through bearing A(5) be connected with scanning bracket (10), screw mandrel (8) is provided with the screw (9) matched with it, also comprise the adjustment barrel (3) be fixed on by fastening disk (4) on motor cabinet (2), two flexure strips be arranged side by side (14) are installed in adjustment barrel (3), and the cross section of flexure strip (14) is waveform, the arc top of two flexure strips (14) connects dorsad, the end winding support of one in two flexure strips (14) is on contact ring (13), described screw mandrel (8) runs through contact ring (13) and freely rotates in contact ring (13), and another the end in two flexure strips (14) is connected with the inwall of adjustment barrel (3), in scanning bracket (10) with screw mandrel (8) for axial symmetry is provided with two grooves (15), baffle plate (17) is provided with in groove (15), baffle plate (17) is connected by the bottom of spring (16) with groove (15), baffle plate (17) is fixed with pressure sensor (18), pressure sensor (18) is connected with motor (1) by wire, and the side of screw (9) is provided with the projection (19) corresponding with pressure sensor (18), a fixed mount (20) is separately installed with two screws (9), rotate between two fixed mounts (20) and be provided with two lampshades (22), described fixed mount (20) lateral wall is provided with adjustment seat (21), the rotating shaft (28) of described lampshade (22) runs through adjustment seat (21), in adjustment seat (21), position-arresting disk (31) is installed, the middle part of position-arresting disk (31) has through hole and this through hole and rotating shaft (28) matched in clearance, rotating shaft (28) is fixed with regulating wheel (27), and regulating wheel (27) is positioned between position-arresting disk (31) and adjustment seat (21), excircle along regulating wheel (27) is halved and is provided with the contrary cingulum of two sections of teeth directionals, also comprise the gag lever post (24) of two L shapes, the horizontal ends of described gag lever post (24) is connected with adjustment seat (21) by jump ring (32), vertical end chain connection limited location bar (24) of gag lever post (24), the movable end chain connection of two gag lever posts (24), is provided with the little tooth be meshed with regulating wheel (27) upper left and right sides cingulum at the middle part of gag lever post (24), the end of described position-arresting disk (31) is provided with fan-shaped projection, projection is provided with deep-slotted chip breaker (29), and regulating wheel (27) is fixed with bearing pin (30), and bearing pin (30) is positioned at deep-slotted chip breaker (29).

2. the adjustable scanner of a kind of lampshade according to claim 1, is characterized in that: the central angle at described deep-slotted chip breaker (29) place is 40 ° ~ 75 °.

3. the adjustable scanner of a kind of lampshade according to claim 1, it is characterized in that: offer L connected in star (26) in the horizontal ends of described gag lever post (24), the projection on position-arresting disk (31) is placed in L connected in star (26).

4. the adjustable scanner of a kind of lampshade according to claim 1, is characterized in that: (8) offer annular groove with described screw mandrel, the contact internal walls of the outer wall of annular groove and contact ring (13).

5. the adjustable scanner of a kind of lampshade according to claim 1, is characterized in that: also comprise the outer washer (6), the inner washer (7) that set gradually, the wall contacts of described inner washer (7) and screw mandrel (8).

6. the adjustable scanner of a kind of lampshade according to claim 1, it is characterized in that: the end of described screw mandrel (8) is by bearing B(11) be fixed in scanning bracket (10), and the end outer wall of screw mandrel (8) has screw thread, and screw mandrel (8) is by set bolt (12) and bearing B(11) be connected.