Summary of the invention
The object of the present invention is to provide a kind of LED display fixed frame, it can be achieved that split screen bi-directional display or by two screens
It is spliced into a large screen;The entirety of screen can be with automatic swing, and adjustable-angle and height, do not need using when can
It is collapsible into lifting storehouse, LED screen is protected.
The purpose of the present invention is achieved through the following technical solutions:
A kind of LED display fixed frame, including maincenter frame and rotation screen frame, the maincenter frame includes middle hinged arm, upper cross
Bar, sheer pole, lever, L shape bar, supporting plate, worm bracket, motor I, driving pulley I, two-way worm screw and driven pulley I;Cross tube and
Sheer pole is respectively fixedly connected with the upper and lower ends in middle hinged arm, and the both ends of sheer pole are respectively fixedly connected with a lever, middle hinged arm
The two sides of middle-end are respectively symmetrically fixedly connected with a L shape bar, and supporting plate is fixedly connected on the rear end of middle hinged arm middle-end, and worm bracket is fixed
It is connected on supporting plate, motor I is fixedly connected on supporting plate, and a driving pulley I is fixedly connected on the output shaft of motor I, two-way
The middle-end of worm screw, which is rotatably assorted, to be connected in worm bracket, is fixedly connected with a driven pulley I on two-way worm screw, driven pulley I with
Driving pulley I is connected by belt V belt translation;
The rotation screen frame includes display/panel bracket, upper shaft, lower rotary shaft, driven pulley, worm gear shaft, worm gear I and master
Movable belt pulley II;The middle-end of display/panel bracket upper and lower ends has been respectively fixedly connected with upper shaft and lower rotary shaft, and driven pulley is fixed to be connected
It connects on the top of upper shaft, driving pulley II is connect with driven pulley by belt V belt translation, and driving pulley II is fixedly connected on
The top of worm gear shaft, worm gear I are fixedly connected on the middle-end of worm gear shaft;There are two rotation screen is set up, two rotation screen framves are symmetrically set
It sets in the two sides of maincenter frame, two upper shafts are rotatably assorted respectively is connected to the both ends of cross tube, and two lower rotary shafts rotate respectively
It is cooperatively connected at the both ends of sheer pole, two worm gear shafts are rotatably assorted respectively is connected to the rear end of the L shape bar of two sides, two worm gears
I difference engaged transmission is in the two sides of two-way worm screw, and two levers difference blocks are in the inside of two display/panel brackets.
The attachment base includes connecting plate, support shaft pedestal, support shaft, support arm, connecting rod, motor II, disk, bias
Axis, upper turntable and jack;Support shaft pedestal and motor II are respectively fixedly connected at the both ends of connection plate top surface, and support shaft rotation is matched
Conjunction is connected in support shaft pedestal, and support arm is fixedly connected on the side of support shaft, and one end of connecting rod is hinged on support arm, connecting rod
The other end be hinged on eccentric shaft, eccentric shaft is fixedly connected on disk, and disk is fixedly connected on the output of motor II
On axis, upper turntable is fixedly connected on the bottom surface of connecting plate, and one end of upper turntable is equipped with multiple jacks, the arrangement of jack uniform arcuate shape
It is arranged on upper turntable;Support shaft is fixedly connected on the middle-end of sheer pole bottom surface.
The lifting storehouse includes lifter plate, lower turntable, bolt frame, bolt, compressed spring and gasket, and lower turntable is fixed to be connected
The middle-end in lifter plate is connect, bolt frame is fixedly connected on the side of lower turntable, it is set on bolt frame there are two vertical pole, bolt
Middle-end is fixedly connected with a gasket, and bolt is slidably connected in two vertical poles of bolt frame, and gasket is located at two and erects
Between allotment bar, bolt is equipped with compressed spring, and compressed spring is arranged in the vertical pole on the outside of bolt frame and between gasket, on
Turntable is hinged on lower turntable, and bolt is inserted into a jack.
The lifting storehouse further includes outer warehouse, bottom plate, rack gear, motor III, driving gear, worm screw, driven gear, worm gear
II, lifting gear, connecting shaft, guide rod and connection frame, bottom plate are fixedly connected in the bottom end of outer warehouse, and rack gear is fixedly connected on bottom
On plate, rack gear is slidably connected in lifter plate, and motor III is fixedly connected on lifter plate, and driving gear is fixedly connected on electricity
On the output shaft of machine III, worm screw, which is rotatably assorted, to be connected on lifter plate, and driven gear is fixedly connected on the top of worm screw, driven tooth
Wheel and driving gear engaged transmission, the both ends of connecting shaft have been respectively fixedly connected with worm gear II and lifting gear, worm gear II and worm screw
Engaged transmission, connecting shaft, which is rotatably assorted, to be connected in connection frame, and transmission is engaged with rack in lifting gear, and connection frame is fixedly connected on
On lifter plate, lifter plate is slidably connected in outer warehouse, and the quadrangle of bottom plate is respectively fixedly connected with a guide rod, lifter plate
Quadrangle is slidably connected respectively on four guide rods.
Beneficial effects of the present invention:
The screens such as mountable LED screen on display/panel bracket of the invention can drive two display/panel brackets by motor I
Rotation can enable the user of two sides of the present invention it can be seen that being intended to the content played in screen to mutually opposite facing when in use,
When needing bigger screen, drives two display/panel brackets to rotate to being stitched together by motor I, make two display screen branch
Screen splicing on frame is a large screen;Display screen of the invention can be swung automatically by the rotation of motor II, be convenient for
The pedestrian of dealing is angled to can be seen content in display screen;Display screen of the invention can adjust pitching after being spliced into large screen
Inclination angle, make the present invention angle that the angle of adjustable screen is suitable for user in the case where placement position is not easy to viewing
Degree;Lifter plate of the invention can be gone up and down by III driving display screen of motor, adjusted height with this, do not needed in use, can make
Display screen is taken in lifting storehouse, becomes the rectangular of cube by lifter plate decline, can shield to fragile display screen,
And it is convenient for carrying and transfer of the invention.
Specific embodiment 1:
As shown in figs. 1-12, a kind of LED display fixed frame, including maincenter frame 1 and rotation screen frame 2, the maincenter frame 1
Including middle hinged arm 1-1, cross tube 1-2, sheer pole 1-3, lever 1-4, L shape bar 1-5, supporting plate 1-6, worm bracket 1-7, I 1- of motor
8, I 1-11 of I 1-9 of driving pulley, two-way worm screw 1-10 and driven pulley;Cross tube 1-2 and sheer pole 1-3 are respectively fixedly connected with
The upper and lower ends of middle hinged arm 1-1, the both ends of sheer pole 1-3 are respectively fixedly connected with a lever 1-4, and the two of middle hinged arm 1-1 middle-end
Side is respectively symmetrically fixedly connected with L shape a bar 1-5, supporting plate 1-6 and is fixedly connected on the rear end of middle hinged arm 1-1 middle-end, worm bracket 1-7
It is fixedly connected on supporting plate 1-6, I 1-8 of motor is fixedly connected on supporting plate 1-6, is fixedly connected with one on the output shaft of I 1-8 of motor
The middle-end of a I 1-9 of driving pulley, two-way worm screw 1-10 by rolling bearing units in worm bracket 1-7 along its axis rotate and it is axial
It positions, is fixedly connected with I 1-11 of driven pulley on two-way worm screw 1-10, I 1-11 of driven pulley passes through with I 1-9 of driving pulley
The connection of belt V belt translation;For I 1-8 of motor by power supply and polygon control survey, I 1-8 of motor drives I 1-9 of driving pulley rotation, main belt
It takes turns I 1-9 and I 1-11 of driven pulley rotation is driven by V belt translation, I 1-11 of driven pulley drives two-way worm screw 1-10 rotation, two-way
Worm screw 1-10 is the worm screw of bidirectional helical, and partial threads of the two-way worm screw 1-10 in the two sides worm bracket 1-7 are contrary.
The rotation screen frame 2 includes display/panel bracket 2-1, upper shaft 2-2, lower rotary shaft 2-3, driven pulley 2-4, worm gear
II 2-7 of axis 2-5, I 2-6 of worm gear and driving pulley;The middle-end of display/panel bracket 2-1 upper and lower ends has been respectively fixedly connected with upper shaft
2-2 and lower rotary shaft 2-3, driven pulley 2-4 are fixedly connected on the top of upper shaft 2-2, II 2-7 of driving pulley and driven pulley 2-
4 are connected by belt V belt translation, and II 2-7 of driving pulley is fixedly connected on the top of worm gear shaft 2-5, and I 2-6 of worm gear is fixedly connected on
The middle-end of worm gear shaft 2-5;There are two rotation screen frame 2 is set, two rotation screen framves 2 are symmetricly set on the two sides of maincenter frame 1, on two
Shaft 2-2 passes through rolling bearing units in the both ends of cross tube 1-2 along the rotation of its axis and axially position, two lower rotary shaft 2- respectively
3 rotate simultaneously axially position, two worm gear shaft 2-5 difference along its axis in the both ends of sheer pole 1-3 by rolling bearing units respectively
By rolling bearing units, along the rotation of its axis, simultaneously axially position, two I 2-6 of worm gear are nibbled respectively in the rear end of the L shape bar 1-5 of two sides
Transmission is closed in the two sides of two-way worm screw 1-10, two lever 1-4 difference blocks are in the inside of two display/panel bracket 2-1.It uses
When rotation screen frame 2, can install screens, the LED screens such as LED screen in display/panel bracket 2-1 can be bolted on display screen
On bracket 2-1, the rotation screen frame 2 of two sides is by upper shaft 2-2 and lower rotary shaft 2-3 the two of cross tube 1-2 and sheer pole 1-3
Rotated between side, I 2-6 of worm gear of two sides respectively with the two sides of two-way worm screw 1-10 engaged transmission, when two-way worm screw 1-10 rotation when,
Due to the two sides two-way worm screw 1-10 screw thread it is contrary, the rotation of I 2-6 of worm gear of two sides also can be contrary, two sides
I 2-6 of worm gear drives the worm gear shaft 2-5 of two sides to rotate respectively, and the worm gear shaft 2-5 of two sides drives II 2- of driving pulley of two sides respectively
7 rotations, II 2-7 of driving pulley of two sides drive the driven pulley 2-4 of two sides to rotate by V belt translation respectively, the driven belt of two sides
The upper shaft 2-2 that wheel 2-4 passes through two sides respectively drives the display/panel bracket 2-1 rotation of two sides, because two-way worm screw 1-10 rotates
It will drive I 2-6 opposite direction of the worm gear rotation of two sides, so when I 1-8 of motor rotates and drives two-way worm screw 1-10 rotation, two sides
Display/panel bracket 2-1 can be relatively reversed synchronous rotary;When rotating forward I 1-8 of motor, the display/panel bracket 2-1 of two sides
Edge card of the relative rotation on the inside of the display/panel bracket 2-1 of two sides is understood on middle hinged arm 1-1, at this time two display/panel brackets
The outer surface of 2-1 can make the one monolith large screen of screen splicing on two display/panel bracket 2-1 in same plane;Make motor I
1-8 is rotated backward, until two aobvious when the edge on the inside of the display/panel bracket 2-1 of two sides is stuck on the lever 1-4 of two sides
Display screen bracket 2-1 is mutually opposite facing and parallel, and two display/panel bracket 2-1, can be simultaneously to two sides towards two sides of the invention at this time
Show content;It, can during two display/panel bracket 2-1 are rotated in stroke due to the self-locking property of Worm Wheel System
Stop I 1-8 of motor at any time according to demand, makes two display/panel bracket 2-1 towards required direction;Two display/panel bracket 2-1
It can be used for the place that market etc. needs promotional content, the present invention be placed on the center of the two-way stream of people, can allow the stream of peoples of two sides
It can watch the content played in screen can be by two when user, which explain etc. to content, needs large screen
A display/panel bracket 2-1 is spliced into one piece of large screen, and convenient for explanation and large screen watches the content in screen convenient for spectators.
The attachment base 3 includes connecting plate 3-1, support shaft pedestal 3-2, support shaft 3-3, support arm 3-4, connecting rod 3-5, electricity
II 3-6 of machine, disk 3-7, eccentric shaft 3-8, upper turntable 3-9 and jack 3-10;Support shaft pedestal 3-2 and II 3-6 of motor is solid respectively
Surely the both ends of the top surface connecting plate 3-1 are connected to, support shaft 3-3 is turned in support shaft pedestal 3-2 along its axis by rolling bearing units
Dynamic and axially position, support arm 3-4 are fixedly connected on the side of support shaft 3-3, and one end of connecting rod 3-5 is hinged on support arm 3-4,
The other end of connecting rod 3-5 is hinged on eccentric shaft 3-8, and eccentric shaft 3-8 bias is fixedly connected on disk 3-7, and disk 3-7 is fixed
It being connected on the output shaft of II 3-6 of motor, upper turntable 3-9 is fixedly connected on the bottom surface of connecting plate 3-1, and the one of upper turntable 3-9
End is equipped with multiple jack 3-10, and jack 3-10 uniform arcuate shape is arranged on turntable 3-9;Support shaft 3-3 is fixedly connected on
The middle-end of the bottom surface sheer pole 1-3.When using attachment base 3, II 3-6 of motor is controlled by conducting wire and power supply, and II 3-6 of motor drives circle
Disk 3-7 rotation, disk 3-7 drive eccentric shaft 3-8 to move in a circle around the center of circle of disk 3-7, and eccentric shaft 3-8 drives connecting rod 3-
5 movements, connecting rod 3-5 drive support arm 3-4 movement, and support arm 3-4 is driven support shaft 3-3 to do the swing of certain angle, can be made with this
Support shaft 3-3 drives maincenter frame 1 and rotation screen frame 2 to rotate;When rotation screen frame 2 shows content, displaying can be increased by swinging
Angle, the content for making pedestrian be easier to notice that rotation screen frame 2 is shown, and when pedestrian is mobile, the swing of rotation screen frame 2 can
Make the angle of screen that pedestrian be followed to move a certain distance, allows pedestrian that the content in rotation screen frame 2 is more easily observed.
The lifting storehouse 4 include lifter plate 4-3, lower turntable 4-4, bolt frame 4-5, bolt 4-6, compressed spring 4-7 and
Gasket 4-8, lower turntable 4-4 are fixedly connected on the middle-end of lifter plate 4-3, and bolt frame 4-5 is fixedly connected on the one of lower turntable 4-4
Side is set on bolt frame 4-5 there are two vertical pole, and the middle-end of bolt 4-6 is connected through a screw thread a gasket 4-8, and bolt 4-6 is sliding
Dynamic to be cooperatively connected in two vertical poles of bolt frame 4-5, gasket 4-8 is located between two vertical poles, sets on bolt 4-6
Between the vertical pole for thering is compressed spring 4-7, compressed spring 4-7 to be arranged on the outside of bolt frame 4-5 and gasket 4-8, upper turntable 3-9
It is hinged on lower turntable 4-4 by axis, rotate turntable 3-9 can on lower turntable 4-4, bolt 4-6 is inserted into a jack 3-
In 10.When using storehouse 4 is gone up and down, upper turntable 3-9 can hingedly make lower turntable 4-4 can be opposite with upper turntable 3-9 with lower turntable 4-4's
Rotation;When installing bolt 4-6, first bolt 4-6 is inserted into the hole of the vertical pole on the outside of bolt frame 4-5, it then will compression
Spring 4-7 is threadedly attached on bolt 4-6 on bolt 4-6, then by gasket 4-8, and bolt 4-6 is finally inserted into bolt
In the hole of vertical pole on the inside of frame 4-5, when the angle of rotation screen frame 2 of the invention is not easy to viewer's viewing, it is pulled outwardly
Dynamic bolt 4-6 makes the inner end of bolt 4-6 skid off jack 3-10, adjusts the relative angle of lower turntable 4-4 and upper turntable 3-9 to conjunction
After suitable angle, decontrol bolt 4-6, the inner end of bolt 4-6 made to be inserted into the jack 3-10 of corresponding position, with this by lower turntable 4-4 with
The relative angle of upper turntable 3-9 is fixed.
The lifting storehouse 4 further include outer warehouse 4-1, bottom plate 4-2, rack gear 4-9, III 4-10 of motor, driving gear 4-11,
Worm screw 4-12, driven gear 4-13, II 4-14 of worm gear, lifting gear 4-15, connecting shaft 4-16, guide rod 4-17 and connection frame 4-
18, bottom plate 4-2 are fixedly connected in the bottom end of outer warehouse 4-1, and rack gear 4-9 is fixedly connected on bottom plate 4-2, and rack gear 4-9 sliding is matched
Conjunction is connected in lifter plate 4-3, and III 4-10 of motor is fixedly connected on lifter plate 4-3, and driving gear 4-11 is fixedly connected on electricity
On the output shaft of III 4-10 of machine, worm screw 4-12 rotates simultaneously axially position along its axis in lifter plate 4-3 by rolling bearing units, from
Moving gear 4-13 is fixedly connected on the top of worm screw 4-12, driven gear 4-13 and driving gear 4-11 engaged transmission, connecting shaft
The both ends of 4-16 have been respectively fixedly connected with worm gear II 4-14 and lifting gear 4-15, and II 4-14 of worm gear engages biography with worm screw 4-12
It is dynamic, connecting shaft 4-16 by rolling bearing units in connection frame 4-18 along the rotation of its axis and axially position, lifting gear 4-15 with
Rack gear 4-9 engaged transmission, connection frame 4-18 are fixedly connected on lifter plate 4-3, and lifter plate 4-3 is slidably connected in outer warehouse
In 4-1, the quadrangle of bottom plate 4-2 is respectively fixedly connected with a guide rod 4-17, and the quadrangle of lifter plate 4-3 is slidably connected respectively
On four guide rod 4-17.For III 4-10 of motor by power supply and polygon control survey, III 4-10 of motor drives driving gear 4-11 rotation,
Driving gear 4-11 drives worm screw 4-12 rotation, and worm screw 4-12 drives II 4-14 of worm gear rotation, and II 4-14 of worm gear passes through connecting shaft
4-16 drives lifting gear 4-15 rotation, lifting gear 4-15 and rack gear 4-9 engaged transmission.Shield frame 2 when needing to adjust rotation
When height to desired height, III 4-10 of driving motor rotation rotates lifting gear 4-15, and lifting gear 4-15 passes through when rotating
Lifter plate 4-3 can be driven to slide up and down in outer warehouse 4-1 with the engaged transmission of rack gear 4-9, four guide rod 4-17 can be to liter
Drop plate 4-3 is limited, and deflect lifter plate 4-3 will not, and the top of four guide rod 4-17 is equipped with an outer diameter greater than four
The disk of a guide rod 4-17 body of rod, can block lifter plate 4-3 makes lifter plate 4-3 without departing from outer warehouse 4-1, due to worm gear snail
The latching characteristics of bar, when III 4-10 of motor does not rotate, lifter plate 4-3 will go up and down and be maintained at when III 4-10 of motor stops
Highly, when not needing using the present invention, two display/panel bracket 2-1 are rotated to the display/panel bracket 2-1 of two sides
Edge is stuck on the lever 1-4 of two sides, and the distance of two display/panel bracket 2-1 expansion at this time is most short, then under lifter plate 4-3
Lowermost end is dropped to, drops to maincenter frame 1, rotation screen frame 2 and attachment base 3 in outer warehouse 4-1, can be realized with this to maincenter
The protection of frame 1, rotation screen frame 2 and attachment base 3;The form of outer warehouse 4-1 cube is more convenient for shifting of the invention after the completion of shrinking
Dynamic and transport, makes the present invention can be used for more scenes.Heretofore described being fixedly connected refers to by welding, being screwed
Mode is fixed, and in conjunction with different use environments, uses different fixed forms;Described hingedly referring to need to by hinge
Two structures that will be hinged are hinged, and the both ends of articulated shaft are rotatably assorted with two structures being hinged connect respectively.
The operation principle of the present invention is that:
For I 1-8 of motor by power supply and polygon control survey, I 1-8 of motor drives I 1-9 of driving pulley rotation, I 1-9 of driving pulley
I 1-11 of driven pulley rotation is driven by V belt translation, I 1-11 of driven pulley drives two-way worm screw 1-10 rotation, two-way worm screw 1-
10 be the worm screw of bidirectional helical, and partial threads of the two-way worm screw 1-10 in the two sides worm bracket 1-7 are contrary;Shield frame using rotation
When 2, the screens such as LED screen can be installed in display/panel bracket 2-1, the rotation screen frame 2 of two sides passes through upper shaft 2-2 and lower rotary shaft
2-3 is rotated between cross tube 1-2 and the two sides of sheer pole 1-3, the two sides with two-way worm screw 1-10 respectively I 2-6 of worm gear of two sides
Engaged transmission, when two-way worm screw 1-10 rotation, due to contrary, the worm gear of two sides of the screw thread of the two sides two-way worm screw 1-10
The rotation of I 2-6 also can be contrary, and I 2-6 of worm gear of two sides drives the worm gear shaft 2-5 of two sides to rotate respectively, the worm gear shaft of two sides
2-5 drives II 2-7 of driving pulley of two sides to rotate respectively, and II 2-7 of driving pulley of two sides passes through V belt translation respectively and drives two sides
Driven pulley 2-4 rotation, the driven pulley 2-4 of two sides pass through respectively two sides upper shaft 2-2 drive two sides display screen branch
Frame 2-1 rotation, because two-way worm screw 1-10 rotation will drive I 2-6 opposite direction of the worm gear rotation of two sides, when I 1-8 of motor revolves
When turning to drive two-way worm screw 1-10 rotation, synchronous rotary that the display/panel bracket 2-1 of two sides can be relatively reversed;Make I 1-8 of motor just
To when rotation, edge card of the display/panel bracket 2-1 meeting relative rotation of two sides on the inside of the display/panel bracket 2-1 of two sides is in
On hinged arm 1-1, the outer surface of two display/panel bracket 2-1 can make the screen on two display/panel bracket 2-1 in same plane at this time
Curtain is spliced into a monolith large screen;Rotate backward I 1-8 of motor, until the edge difference on the inside of the display/panel bracket 2-1 of two sides
When being stuck on the lever 1-4 of two sides, two display/panel bracket 2-1 are mutually opposite facing and parallel, at this time two display/panel bracket 2-1 courts
To two sides of the invention, content can be shown to two sides simultaneously;Due to the self-locking property of Worm Wheel System, in two display screen branch
Frame 2-1 can stop I 1-8 of motor during rotation in stroke at any time according to demand, make two display/panel bracket 2-1 towards institute
The direction needed;Two display/panel bracket 2-1 can be used for the place that market etc. needs promotional content, and the present invention is placed on two-way people
The center of stream can allow the stream of people of two sides that can watch the content played in screen, when user explains content
When etc. large screen is needed, two display/panel bracket 2-1 can be spliced into one piece of large screen, convenient for explanation and large screen is convenient for
Spectators watch the content in screen;When using attachment base 3, II 3-6 of motor is controlled by conducting wire and power supply, and II 3-6 of motor drives
Disk 3-7 rotation, disk 3-7 drive eccentric shaft 3-8 to move in a circle around the center of circle of disk 3-7, and eccentric shaft 3-8 drives connecting rod
3-5 movement, connecting rod 3-5 drive support arm 3-4 movement, and support arm 3-4 drive support shaft 3-3 does the swing of certain angle, with this
Make support shaft 3-3 that maincenter frame 1 and rotation screen frame 2 be driven to rotate;When rotation screen frame 2 shows content, exhibition can be increased by swinging
The angle shown makes pedestrian be easier to notice the content that rotation screen frame 2 is shown, and when pedestrian is mobile, the swing of rotation screen frame 2
It can make the angle of screen that pedestrian be followed to move a certain distance, allow pedestrian that the content in rotation screen frame 2 is more easily observed;It is using
When going up and down storehouse 4, upper turntable 3-9 can hingedly make lower turntable 4-4 that can relatively rotate with upper turntable 3-9 with lower turntable 4-4's, install
When bolt 4-6, first bolt 4-6 is inserted into the hole of the vertical pole on the outside of bolt frame 4-5, is then mounted in compressed spring 4-7
On bolt 4-6, then gasket 4-8 is threadedly attached on bolt 4-6, finally bolt 4-6 is inserted on the inside of bolt frame 4-5
In the hole of vertical pole;When the angle of rotation screen frame 2 of the invention is not easy to viewer's viewing, bolt 4-6 is pulled out, is made
The inner end of bolt 4-6 skids off jack 3-10, after the relative angle to proper angle for adjusting lower turntable 4-4 and upper turntable 3-9, decontrols
Bolt 4-6 makes the inner end of bolt 4-6 be inserted into the jack 3-10 of corresponding position, with this by the phase of lower turntable 4-4 and upper turntable 3-9
Angle is fixed;When needing to adjust height to the desired height of rotation screen frame 2, III 4-10 of driving motor rotation makes lifting tooth
4-15 rotation is taken turns, lifter plate 4-3 can be driven in outer warehouse 4- by the engaged transmission with rack gear 4-9 when lifting gear 4-15 rotates
It is slided up and down in 1, four guide rod 4-17 can limit lifter plate 4-3, deflect lifter plate 4-3 will not, four guiding
The top of bar 4-17 is equipped with the disk that an outer diameter is greater than four guide rod 4-17 bodies of rod, and can block lifter plate 4-3 makes to go up and down
Plate 4-3 is without departing from outer warehouse 4-1, due to the latching characteristics of worm and gear, when III 4-10 of motor does not rotate, lifter plate 4-3
It will go up and down and be maintained at height when III 4-10 of motor stops, when not needing using the present invention, by two display/panel brackets
2-1 rotates on the lever 1-4 for being stuck in two sides to the edge on the inside of the display/panel bracket 2-1 of two sides, at this time two display screens
The distance of bracket 2-1 expansion is most short, then lifter plate 4-3 drops to lowermost end, keeps maincenter frame 1, rotation screen frame 2 and attachment base 3 equal
Drop in outer warehouse 4-1, the protection to maincenter frame 1, rotation screen frame 2 and attachment base 3 can be realized with this;After the completion of contraction,
The form of outer warehouse 4-1 cube is more convenient for movement and transport of the invention, and the present invention is made to can be used for more scenes.
Certainly, above description is not limitation to invention, and the present invention is also not limited to the example above, the art it is general
The variations, modifications, additions or substitutions that logical technical staff is made within the essential scope of the present invention also belong to protection of the invention
Range.