CN106094411B - A kind of screen mask system and screen state switching method - Google Patents
A kind of screen mask system and screen state switching method Download PDFInfo
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- CN106094411B CN106094411B CN201610616644.2A CN201610616644A CN106094411B CN 106094411 B CN106094411 B CN 106094411B CN 201610616644 A CN201610616644 A CN 201610616644A CN 106094411 B CN106094411 B CN 106094411B
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/58—Projection screens collapsible, e.g. foldable; of variable area
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
Abstract
The invention discloses a kind of screen mask system and screen state switching method, belong to movie screen technical field.A kind of screen mask system of the present invention, including the double layer side black surround device in front of upper black surround device and side immediately ahead of screen top is sequentially fixed at, the upper black surround device includes upper black surround and upper black surround frame, and the upper black surround is wrapped on upper black surround frame；The upper black surround frame can vertically move up and down, and double layer side black surround device includes the 2 internal layer black surround frames for being fixed on 2 outer layer black surround frames in front of screen side and being fixed between screen and outer layer black surround frame；2 internal layer black surrounds frame can be in the horizontal direction to middle part relative motion or to both sides counter motion.The present invention's is mainly used for fix by black surround on upper black surround frame, and upper black surround frame can vertically move up and down, the conversion moved and realize screen state of two layers of side black surround horizontal direction, so as to optimize viewing effect.
Description
Technical field
The present invention relates to movie screen technical field, more specifically to a kind of screen mask system and screen shape
State switching method.
Background technology
Film is the indispensable entertainment way of people's life in modern society.Motion picture projection is thrown by projecting device
It is mapped to what is carried out in screen, therefore, screen is one of essential projection equipment, moreover, for the needs of optical principle, silver
Curtain edge typically will also set black surround, but with the continuous development of projection technologies, for screen is smooth and the needs of viewing effect,
The black surround of screen is no longer set with screen integral type, and sets black surround frame to be fixed on screen front side.
The electronic upper black surround major defect of cinema is that space-consuming is big at present, and upper black surround is too remote from screen horizontal range, directly
The static line for causing front-seat spectators to see screen top in viewing is connect, What is more can see support body BEHIND THE SCREEN, directly
Connecing influences viewing effect.And the electronic black surround system of screen both sides is single layer structure, there is the defects of obvious in this structure, in silver
(refer to movie theatre wide-screen or cropping state) during curtain state transformation, the obvious out-of-flatness of black surround, and directly affect viewing effect.
Chinese Patent Application No.：201120215998.9 the applying date：On June 24th, 2011, this application case discloses one kind
Hanging type projection screen, include suspension rod, screen is hung with suspension rod, screen is connected by oblique pull steel wire rope with suspension rod, suspension rod both ends
Load-hanging steel wire rope is also associated with, load-hanging steel wire rope is connected to the side pulling wire rope that corresponding screen sidepiece is drawn by spring and screen
Connect.The inventive structure is simple, it is easy to accomplish, it is easy for installation, greatly save and taken up space, save operation and maintenance cost, solution
Determine due to the problem of steric requirements limitation can not install screen, but during the screen state transformation of the invention, the out-of-flatness of black surround
Or influence viewing effect.
The content of the invention
1. invention technical problems to be solved
Upper black surround and both sides black surround influence viewing during it is an object of the invention to overcome screen state transformation in the prior art
The deficiency of effect, there is provided a kind of screen mask system and screen state switching method.It can pass through black surround on upper black surround frame
Fixed, upper black surround frame can vertically move up and down, and two layers side black surround horizontal direction moves and realize screen state
Conversion, so as to optimize viewing effect.
2. technical scheme
To reach above-mentioned purpose, technical scheme provided by the invention is：
A kind of screen mask system, including be sequentially fixed in front of upper black surround device and side immediately ahead of screen top
Double layer side black surround device, the upper black surround device include upper black surround and upper black surround frame, and the upper black surround is wrapped on upper black surround frame；
The upper black surround frame can vertically move up and down；By the way that upper black surround is wrapped in upper black jamb surface and upper black surround frame
Movement in vertical direction realizes the change of screen state, and the upper black surround frame towards spectators all hides the upper black surround and static line after frame
Gear, front-seat spectators will only see upper black surround smooth on black surround frame in viewing, without influenceing viewing effect.The bilayer
Side black surround device includes being fixed on 2 outer layer black surround frames in front of screen side and be fixed between screen and outer layer black surround frame 2
Individual internal layer black surround frame；2 internal layer black surrounds frame can be in the horizontal direction to middle part relative motion or to both sides counter motion, this
Sample, under the premise of screen keeps maximum stent, when picture from large to small when, outer layer black surround frame is motionless, and internal layer black surround frame is outside
Layer black surround is mobile to centre behind；When picture becomes big again, internal layer black surround frame can be moved to fixed black surround behind, and spectators look the beginning
There was only one piece of smooth black surround eventually；The normal switching of movie theatre picture can not only be realized, moreover it is possible to ensure picture in handoff procedure
Black surround system is in a formation state all the time.
Further technical scheme, the upper black surround frame realize the fortune up and down of vertical direction by lead connection fixed pulley
It is dynamic；The fixed pulley is fixed on the distal end upper surface of the middle vertical pole of screen carrier top fixation, passes through matching somebody with somebody for fixed pulley and lead
The vertical movement for realizing upper black surround frame is closed, it is easy to operate, operate steadily；The relative motion and counter motion of the internal layer black surround frame
1 internal layer black surround frame is driven to realize respectively by 2 haulage gears, the haulage gear includes pulley and connecting rod；The internal layer
The upper surface of black surround frame is fixedly connected with the bottom of connecting rod, and the other end of connecting rod is fixedly connected with the rotating shaft of pulley；The pulley
Horizontal movement in orbit；The track is fixed on the lower surface of 2 side vertical poles on screen carrier top, and with side vertical pole in level
It is in orthogonal state on direction；The outer layer black surround frame is in vertically to be perpendicularly fixed at the lower surface of side vertical pole, by pulley and
The horizontal movement of internal layer black surround frame is realized in the cooperation of connecting rod, easy to operate, is operated steadily.
Further technical scheme, the top of the upper black surround frame are connected and fixed in trough plate B notch；The lead
Connected with trough plate B top surface；Trough plate B can black surround frame on buckle, avoid coming off during vertical movement；The connecting rod is
T-shaped connecting rod, pulley are 2, and track is in the relative frame grooved rail shape structure of " L " mouth, and 2 pulleys are respectively in 2 relative " L " shape rails
Horizontal movement in road；The rotating shaft that the horizon bar of T-shaped connecting rod shares for 2 pulleys, the cooperation of sister block and T-shaped connecting rod, in 2 phases
To " L " shape track in horizontal movement, make the operation of internal layer black surround frame more steady, spectators can be allowed instantly to realize picture
The random conversion in face.
Further technical scheme, uniformly sewing has fixing band to the upper black surround, and fixing hole is uniformly installed with fixing band, Gu
Screw B is determined through upper black surround is fixed on into upper black surround outer frame surface after fixing hole, trough plate B lower frame and upper black surround frame, and
Upper black surround frame is fixedly connected with the lower frame of trough plate；The mating reaction of fixing band and fixing hole, black surround and upper black in convenience
The positioning formula of frame is fixed；Fixed screw plays the dual fixed effect of fixed upper black surround and upper black surround frame.The double layer side is black
Side device also includes trough plate A, and the upper end of internal layer black surround frame is fixed in the downward notches of trough plate A, when avoiding horizontal movement
Come off；Trough plate A upper surface is fixedly connected with the vertical bar of T-shaped connecting rod.
Further technical scheme, the double layer side black surround device also include steel wire；2 internal layer black surrounds frame respectively and
The both ends of steel wire are fixedly connected；The middle part of steel wire is connected with pulley motor, two internal layer black surround frames is realized synchronous operation, keeps away
Exempt from the size variation that projector equipment adapts to screen by adjustment angle；The spacing of the fixing band is slightly larger than the width of upper black surround frame
Degree, convenient fixed and positioning.
Further technical scheme, the middle vertical pole, side vertical pole are fixed on the top of screen carrier by fixed mechanism,
Middle vertical pole plays a part of hanging screen and upper black surround frame, and fixed mechanism is strengthened fixing to it, avoids middle vertical pole from being produced again
Give birth to and incline；The steel wire is fixed on trough plate A side by hold-down mechanism；The hold-down mechanism includes pressure strip and 2 pressures
Tight screw, after pressure strip compresses the end of steel wire, pressure strip is removably fixed in trough plate A side by 2 housing pins, tears open
Dress is convenient, easily safeguards.
Further technical scheme, fixed mechanism include U-shaped bar, stator, 2 fixing nuts and 2 standing screws；Institute
State U-shaped bar cross bar is stuck on the pillar of screen carrier, stator is enclosed on the head of U-shaped bar, and 2 standing screws insert hollow U
After shape bar, and 2 fixing nuts coordinate, and stator are compressed, U-shaped bar, stator, fixing nut and standing screw are with cooperation
With, middle vertical pole, side vertical pole are stuck on screen carrier, easy to operate, fixation, and convenient dismounting and maintenance.The flute profile
Fixed screw A is additionally provided with plate A bottom notch, fixed screw A crosses trough plate A bottom notch and internal layer black surround frame will
Internal layer black surround frame is strengthened fixing, and dual fixation, further improves the stability that internal layer black surround frame moves horizontally.
Further technical scheme, 1 group of fixed mechanism 2, middle vertical pole, side vertical pole are fixedly connected with screen carrier and are in respectively
Middle vertical pole, side vertical pole and screen carrier are fixed together by " well " shape structure, U-shaped bar symmetrical expression oblique cutting respectively.Fixed mechanism is got over
More, fixed and stablizing effect is better, and quantity is adjusted by weight situation according to middle vertical pole, side vertical pole, U-shaped bar symmetrical expression oblique cutting, surely
It is good to determine effect.
Further technical scheme, the trough plate B, upper black surround frame, internal layer black surround frame, outer layer black surround frame and trough plate A
It is aluminum alloy frame；The lead is reinforcing bar rope；Fixed bracing piece is connected between two montants of the screen carrier, plays and adds
The effect of strengthening tendons, the stability of screen carrier is improved, aluminum alloy frame is conveniently tinted, screens and fixation, cost are low；The lead is
Reinforcing bar rope, not easily broken, service life length.
A kind of screen state switching method, operating procedure are：
Step 1: screen maximizes, start the motor of fixed pulley, when motor turns clockwise, fixed pulley can drive lead
Rotate together, lead meeting one is enclosed on fixed pulley, and at this moment upper black surround frame moves upwards under the traction of lead, upper black
Side is slowly packed up, until top；Meanwhile starting pulley motor, steel wire drives 2 internal layer black surround frames to two lateral movements, until will
Internal layer black surround frame is brought to outer layer black surround frame behind；Screen picture slowly becomes big to maximum；
Step 2: screen area diminishes, and when the motor rotate counterclockwise of fixed pulley, fixed pulley release lead, upper black surround
Move downward, upper black surround becomes big；Meanwhile start to pulley motor, steel wire drives 2 internal layer black surround frames to intermediary movements,
The screen area that upper black surround frame and 2 internal layer black surround frames are formed after reducing, the silver of motor and the pulley motor extremely setting of fixed pulley
Shut down after the area of curtain；
Step 3: any adjustment of screen area is realized by step 1 and two.
3. beneficial effect
Using technical scheme provided by the invention, compared with prior art, have the advantages that：
(1) screen mask system of the invention, by the way that upper black surround is wrapped in upper black jamb surface and upper black surround frame
Movement in vertical direction realizes the change of screen state, and the upper black surround frame towards spectators all hides the upper black surround and static line after frame
Gear, front-seat spectators will only see upper black surround smooth on black surround frame in viewing, without influenceing viewing effect；By
Between screen and outer layer black surround frame set internal layer black surround frame, internal layer black surround frame can in the horizontal direction to middle part relative motion or to
Both sides counter motion, so, under the premise of screen keeps maximum stent, when picture from large to small when, outer layer black surround frame is motionless,
Internal layer black surround frame is mobile to centre behind in outer layer black surround；When picture becomes big again, internal layer black surround frame can be moved to the fixed black surround back of the body
Afterwards, spectators look only has one piece of smooth black surround all the time；The normal switching of movie theatre picture can not only be realized, moreover it is possible to ensure picture
Face black surround system in handoff procedure is in a formation state all the time, not only practical but also attractive in appearance；
(2) screen mask system of the invention, the vertical fortune of upper black surround frame is realized by the cooperation of fixed pulley and lead
It is dynamic, the horizontal movement of internal layer black surround frame is realized by the cooperation of pulley and connecting rod, it is easy to operate, operate steadily；
(3) screen mask system of the invention, trough plate B can black surround frame on buckle, avoid occurring during vertical movement
Come off, trough plate A can buckle internal layer black surround frame, avoid coming off during horizontal movement；The cooperation of sister block and T-shaped connecting rod,
The horizontal movement in 2 relative " L " shape tracks, makes the operation of internal layer black surround frame more steady, can allow spectators unconsciously
Between realize the random conversion of picture；
(4) screen mask system of the invention, the mating reaction of fixing band and fixing hole, black surround and upper black surround in convenience
The positioning formula of frame is fixed；Fixed screw B plays the dual fixed effect of fixed upper black surround and upper black surround frame；Two are connected by steel wire
Individual internal layer black surround frame synchronous operation, avoids projector equipment adjustment angle from adapting to the size variation of screen；
(5) screen mask system of the invention, the spacing of fixing band are slightly larger than the width of upper black surround frame, it is convenient fixed and
Positioning；The cooperation of pressure strip, housing pin, steel wire is removably fixed in the side of trough plate, convenient disassembly, easily safeguarded；
(6) screen mask system of the invention, middle vertical pole play a part of hanging screen and upper black surround frame, side vertical pole
Play a part of hanging screen, track and internal layer black surround frame, fixed mechanism and it is strengthened fixing, avoid middle vertical pole, side vertical pole
Had a down dip by producing again；Fixed screw A further improves the stabilization that internal layer black surround frame moves horizontally to the dual fixation of internal layer black surround frame
Property；
(7) screen mask system of the invention, U-shaped bar, stator, fixing nut and standing screw mating reaction will
Side vertical pole, middle vertical pole are stuck on screen carrier, easy to operate, fixation, and convenient dismounting and maintenance；
(8) screen mask system of the invention, fixed mechanism is more, and fixed and stablizing effect is better, according to side vertical pole,
Middle vertical pole is good by weight situation regulation quantity, U-shaped bar symmetrical expression oblique cutting, stablizing effect；
(9) screen mask system of the invention, aluminum alloy frame is conveniently tinted, screens and fixation, and cost is low, it is fixed plus
Strong bar plays the effect of reinforcement, improves the stability of screen carrier；
(10) screen state switching method of the invention, it is simple to operate, it can arbitrarily adjust the area of screen picture.
Brief description of the drawings
Fig. 1 is the positive structure diagram of the present invention；
Fig. 2 is the double layer side black surround apparatus structure schematic diagram of the present invention；
Fig. 3 is schematic diagram after the hold-down mechanism of the present invention amplifies；
Fig. 4 is the upper black surround schematic device of the present invention；
Fig. 5 is the upper black surround structural representation of the present invention；
Fig. 6 is schematic diagram after the fixed mechanism of the present invention amplifies.
Label declaration in schematic diagram：1st, screen carrier；2nd, screen；3rd, double layer side black surround device；4th, upper black surround device；10、
Fixed mechanism；11st, cross bar；12nd, side vertical pole；13rd, fixed bracing piece；14th, middle vertical pole；31st, track；32nd, haulage gear；33、
Internal layer black surround frame；34th, trough plate A；35th, hold-down mechanism；36th, steel wire；37th, fixed screw A；38th, outer layer black surround frame；41st, it is fixed sliding
Wheel；42nd, lead；43rd, trough plate B；44th, upper black surround frame；46th, upper black surround；47th, fixed screw B；101st, U-shaped bar；102nd, it is fixed
Piece；103rd, fixing nut；104th, standing screw；321st, pulley；322nd, connecting rod；351st, pressure strip；352nd, housing pin；461st, it is solid
Determine band；462nd, fixing hole.
Embodiment
To further appreciate that present disclosure, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
A kind of screen mask system, as shown in figure 1, including the upper black surround dress being sequentially fixed at immediately ahead of the top of screen 2
The double layer side black surround device 3 in front of 4 and side is put, upper black surround device 4 includes upper black surround 46 and upper black surround frame 44, and upper black surround 46 wraps
On upper black surround frame 44；Upper black surround frame 44 can vertically move up and down；By the way that upper black surround is wrapped in upper black surround frame table
The movement in vertical direction of face and upper black surround frame realizes the change of screen state, towards spectators upper black surround frame by the upper black surround after frame
All blocked with static line, front-seat spectators will only see upper black surround smooth on black surround frame in viewing, without influenceing to see
Shadow effect.Double layer side black surround device 3 includes being fixed on 2 outer layer black surround frames 38 in front of the side of screen 2 and is fixed on screen 2 and outer
2 internal layer black surround frames 33 between layer black surround frame 38；2 internal layer black surround frames 33 can in the horizontal direction to middle part relative motion or
To both sides counter motion, so, under the premise of screen keeps maximum stent, when picture from large to small when, outer layer black surround frame is not
Dynamic, internal layer black surround frame is mobile to centre behind in outer layer black surround；When picture becomes big again, internal layer black surround frame can be moved to fixed black surround
Behind, spectators look only has one piece of smooth black surround all the time；The normal switching of movie theatre picture can not only be realized, moreover it is possible to ensure
Picture black surround system in handoff procedure is in a formation state all the time.
Embodiment 2
A kind of screen mask system of the present embodiment, basic structure the improvement is that with embodiment 1：Such as Fig. 4 institutes
Show, upper black surround frame 44 realizes the up and down motion of vertical direction by the connection fixed pulley 41 of lead 42；Fixed pulley 41 is fixed on screen
The distal end upper surface for the middle vertical pole 14 that the top of frame 1 is fixed, the vertical of upper black surround frame is realized by the cooperation of fixed pulley and lead
Motion, it is easy to operate, operate steadily；As shown in Fig. 2 the relative motion and counter motion of internal layer black surround frame 33 pass through 2 tractions
Mechanism 32 drives 1 internal layer black surround frame 33 to realize respectively, and haulage gear 32 includes pulley 321 and connecting rod 322；Internal layer black surround frame 33
Upper surface be fixedly connected with the bottom of connecting rod 322, the rotating shaft of the other end and pulley 321 of connecting rod 322 is fixedly connected；Pulley
321 horizontal movements in track 31；Track 31 is fixed on the lower surface of 2 side vertical poles 12 on the top of screen carrier 1, and with side vertical pole
12 be in orthogonal state in the horizontal direction；Outer layer black surround frame 38 is in the lower surface for being vertically perpendicularly fixed at side vertical pole 12, is led to
The horizontal movement of internal layer black surround frame is realized in the cooperation for crossing pulley and connecting rod, easy to operate, is operated steadily.As shown in figure 5, upper black surround
46 uniformly sewing have fixing band 461, be uniformly installed with fixing hole 462 in fixing band 461, fixed screw B47 through fixing hole 462,
Upper black surround 46 is fixed on the upper outer surface of black surround frame 44 after trough plate B43 lower frame and upper black surround frame 44, and by upper black surround frame
44 are fixedly connected with the lower frame of trough plate 43；The mating reaction of fixing band and fixing hole, black surround and upper black surround frame in convenience
Positioning formula is fixed；Fixed screw plays the dual fixed effect of fixed upper black surround and upper black surround frame.Double layer side black surround device 3 also wraps
Trough plate A34 is included, the upper end of internal layer black surround frame 33 is fixed in the downward notches of trough plate A34, avoids occurring during horizontal movement
Come off；Trough plate A34 upper surface is fixedly connected with the vertical bar of T-shaped connecting rod.
Embodiment 3
A kind of screen mask system of the present embodiment, basic structure the improvement is that with embodiment 2：Double layer side is black
Side device 3 also includes steel wire 36；2 33 both ends respectively with steel wire 36 of internal layer black surround frame are fixedly connected；The middle part of steel wire 36 and
Pulley motor is connected, and two internal layer black surround frames is realized synchronous operation, avoids projector equipment from adapting to screen by adjustment angle
Size variation；The spacing of fixing band 461 is slightly larger than the width of upper black surround frame 44, convenient fixed and positioning.
A kind of screen state switching method of the present embodiment, operating procedure are：
Step 1: screen maximizes, start the motor of fixed pulley 41, when motor turns clockwise, fixed pulley 41 can drive
Lead 42 is rotated together, and the meeting of lead 42 one is enclosed on fixed pulley 41, at this moment traction of the upper black surround frame 44 in lead 42
Lower motion, upper black surround 46 upwards are slowly packed up, until top；Meanwhile starting pulley motor, steel wire 36 drives 2 internal layer black surrounds
Frame 33 is to two lateral movements, until by the band of internal layer black surround frame 33 to outer layer black surround frame 38 behind；The picture of screen 2 slowly becomes greatly to most
Greatly；
Step 2: screen area diminishes, when the motor rotate counterclockwise of fixed pulley 41, fixed pulley 41 discharges lead 42,
Upper black surround frame 44 moves downward, and upper black surround 46 becomes big；Meanwhile start to pulley motor, steel wire 36 drive 2 internal layer black surrounds
The screen area that frame 33 is formed after reducing to intermediary movements, upper black surround frame 44 and 2 internal layer black surround frames 33, the motor of fixed pulley 41
Shut down with after the area of pulley motor to the screen 2 set；
Step 3: any adjustment of the area of screen 2 is realized by step 1 and two.
Embodiment 4
A kind of screen mask system of the present embodiment, basic structure the improvement is that with embodiment 3：Further
Technical scheme, middle vertical pole 14, side vertical pole 12 are fixed on the top of screen carrier 1 by fixed mechanism 10, and middle vertical pole plays
Hang screen and the effect of upper black surround frame, fixed mechanism is strengthened fixing to it, avoids middle vertical pole from being had a down dip by generation again；Steel wire 36
Trough plate A34 side is fixed on by hold-down mechanism 35；As shown in figure 3, hold-down mechanism 35 includes pressure strip 351 and 2 pressures
Tight screw 352, after pressure strip 351 compresses the end of steel wire 36, pressure strip 351 is removably fixed in groove by 2 housing pins 352
Shape plate A34 side, convenient disassembly, easily safeguard.As shown in fig. 6, fixed mechanism includes U-shaped bar, stator, 2 fixed spiral shells
Female and 2 standing screws；Cross bar is stuck on the pillar of screen carrier by U-shaped bar, and stator is enclosed on the head of U-shaped bar, 2 fixed spiral shells
After bar inserts hollow U-shaped bar, and 2 fixing nuts coordinate, and stator is compressed, U-shaped bar, stator, fixing nut and solid
Determine screw rod mating reaction, middle vertical pole, side vertical pole are stuck on screen carrier, easy to operate, fixation, and convenient dismounting and dimension
Shield.Fixed screw A37 is additionally provided with trough plate A34 bottom notch, fixed screw A37 crosses trough plate A34 lower channel
Internal layer black surround frame 33 is strengthened fixing by mouth and internal layer black surround frame 33, dual fixation, further improves internal layer black surround frame and moves horizontally
Stability.
Embodiment 5
A kind of screen mask system of the present embodiment, basic structure the improvement is that fixed mechanism with embodiment 4
102 1 group, it is in " well " shape structure that middle vertical pole 14, side vertical pole 12 are fixedly connected with screen carrier 1 respectively, the symmetrical expression of U-shaped bar 101
Middle vertical pole 14, side vertical pole 12 and screen carrier 1 are fixed together by oblique cutting respectively.Fixed mechanism is more, fixed and stablizing effect
It is better, it is good by weight situation regulation quantity, U-shaped bar symmetrical expression oblique cutting, stablizing effect according to middle vertical pole 14, side vertical pole 12.
Embodiment 6
A kind of screen mask system of the present embodiment, basic structure the improvement is that with embodiment 4：Trough plate
B43, upper black surround frame 44, internal layer black surround frame 33, outer layer black surround frame 38 and trough plate A34 are aluminum alloy frame；Lead 42 is steel
Muscle rope；Fixed bracing piece 13 is connected between two montants of screen carrier 1, plays the effect of reinforcement, improves the stabilization of screen carrier
Property, aluminum alloy frame is conveniently tinted, screens and fixation, cost are low；Lead is reinforcing bar rope, not easily broken, service life length.
Schematically the present invention and embodiments thereof are described above, this describes no restricted, institute in accompanying drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited thereto.So if common skill of this area
Art personnel are enlightened by it, without departing from the spirit of the invention, without designing and the technical scheme for creativeness
Similar frame mode and embodiment, protection scope of the present invention all should be belonged to.
Claims (9)
1. a kind of screen mask system, including it is sequentially fixed at screen（2）Upper black surround device immediately ahead of top（4）Before side
The double layer side black surround device of side（3）, it is characterised in that：
The upper black surround device（4）Including upper black surround（46）With upper black surround frame（44）, the upper black surround（46）Wrap in upper black surround
Frame（44）On；The upper black surround frame（44）Pass through lead（42）Connect fixed pulley（41）Realize the up and down motion of vertical direction；Institute
State fixed pulley（41）It is fixed on screen carrier（1）The middle vertical pole that top is fixed（14）Distal end upper surface；
The upper black surround frame（44）Top connect and fix in trough plate B（43）Notch in；The lead（42）With trough plate B
（43）Top surface connection；
The upper black surround（46）Uniformly sewing has fixing band（461）, fixing band（461）On be uniformly installed with fixing hole（462）, it is fixed
Screw B（47）Through fixing hole（462）, trough plate B（43）Lower frame and upper black surround frame（44）Afterwards by upper black surround（46）It is fixed
In upper black surround frame（44）Outer surface, and by upper black surround frame（44）With trough plate B（43）Lower frame be fixedly connected；
The double layer side black surround device（3）Including being fixed on screen（2）2 outer layer black surround frames in front of side（38）Be fixed on silver
Curtain（2）With outer layer black surround frame（38）Between 2 internal layer black surround frames（33）；2 internal layers black surround frame（33）Can be along level
Direction is to middle part relative motion or to both sides counter motion.
2. screen mask system according to claim 1, it is characterised in that the internal layer black surround frame（33）Relative fortune
Dynamic and counter motion passes through 2 haulage gears（32）1 internal layer black surround frame is driven respectively（33）Realize, the haulage gear（32）
Including pulley（321）And connecting rod（322）；The internal layer black surround frame（33）Upper surface and connecting rod（322）Bottom be fixedly connected,
Connecting rod（322）The other end and pulley（321）Rotating shaft be fixedly connected；The pulley（321）In track（31）Interior horizontal movement；
The track（31）It is fixed on screen carrier（1）2 side vertical poles on top（12）Lower surface, and with side vertical pole（12）In level side
It is in orthogonal state upwards；The outer layer black surround frame（38）In being vertically perpendicularly fixed at side vertical pole（12）Lower surface.
3. screen mask system according to claim 2, it is characterised in that the connecting rod（322）It is sliding for T-shaped connecting rod
Wheel（321）For 2, track（31）In the relative frame grooved rail shape structure of " L " mouth, 2 pulleys（321）Respectively at 2 relative " L "
Horizontal movement in shape track；The horizon bar of T-shaped connecting rod is 2 pulleys（321）Shared rotating shaft.
4. screen mask system according to claim 3, it is characterised in that the double layer side black surround device（3）Also wrap
Include trough plate A（34）, internal layer black surround frame（33）Upper end be fixed on trough plate A（34）In downward notch；Trough plate A（34）'s
Upper surface is fixedly connected with the vertical bar of T-shaped connecting rod.
5. screen mask system according to claim 4, it is characterised in that the double layer side black surround device（3）Also wrap
Include steel wire（36）；2 internal layers black surround frame（33）Respectively and steel wire（36）Both ends be fixedly connected；Steel wire（36）Middle part and
Pulley motor is connected；The fixing band（461）Spacing be slightly larger than upper black surround frame（44）Width.
6. screen mask system according to claim 5, it is characterised in that the middle vertical pole（14）, side vertical pole
（12）Pass through fixed mechanism（10）It is fixed on screen carrier（1）Top；The steel wire（36）Pass through hold-down mechanism（35）It is fixed
In trough plate A（34）Side；The hold-down mechanism（35）Including pressure strip（351）With 2 housing pins（352）, pressure strip
（351）Compress steel wire（36）End after, 2 housing pins（352）By pressure strip（351）It is removably fixed in trough plate A
（34）Side.
7. screen mask system according to claim 6, it is characterised in that the fixed mechanism（10）Including U-shaped bar
（101）, stator（102）, 2 fixing nuts（103）With 2 standing screws（104）；The U-shaped bar（101）By cross bar（9）
It is stuck in screen carrier（11）Pillar on, stator（102）It is enclosed on U-shaped bar（101）Head, 2 standing screws（104）In insertion
Empty U-shaped bar（101）Afterwards, and 2 fixing nuts（103）Coordinate, by stator（102）Compress；The trough plate A（34）Under
Fixed screw A is additionally provided with portion's notch（37）, fixed screw A（37）Cross trough plate A（34）Bottom notch and internal layer it is black
Frame（33）By internal layer black surround frame（33）Strengthen fixing.
8. screen mask system according to claim 7, it is characterised in that the fixed mechanism（10）21 group, in
Between vertical pole（14）, side vertical pole（12）Respectively and screen carrier（1）It is in " well " shape structure to be fixedly connected, U-shaped bar（101）Symmetrical expression oblique cutting
Respectively by middle vertical pole（14）, side vertical pole（12）And screen carrier（1）It is fixed together.
9. screen mask system according to claim 7, it is characterised in that the trough plate B（43）, upper black surround frame
（44）, internal layer black surround frame（33）, outer layer black surround frame（38）With trough plate A（34）It is aluminum alloy frame；The lead（42）For
Reinforcing bar rope；The screen carrier（1）Two montants between be connected with fixed bracing piece（13）.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711020807.1A CN107728418B (en) | 2016-07-29 | 2016-07-29 | Screen state switching method |
| CN201610616644.2A CN106094411B (en) | 2016-07-29 | 2016-07-29 | A kind of screen mask system and screen state switching method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610616644.2A CN106094411B (en) | 2016-07-29 | 2016-07-29 | A kind of screen mask system and screen state switching method |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711020807.1A Division CN107728418B (en) | 2016-07-29 | 2016-07-29 | Screen state switching method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106094411A CN106094411A (en) | 2016-11-09 |
| CN106094411B true CN106094411B (en) | 2018-04-03 |
Family
ID=57478300
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711020807.1A Active CN107728418B (en) | 2016-07-29 | 2016-07-29 | Screen state switching method |
| CN201610616644.2A Active CN106094411B (en) | 2016-07-29 | 2016-07-29 | A kind of screen mask system and screen state switching method |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711020807.1A Active CN107728418B (en) | 2016-07-29 | 2016-07-29 | Screen state switching method |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN107728418B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104163364A (en) * | 2014-06-30 | 2014-11-26 | 江苏红叶视听器材股份有限公司 | Device for releasing black edge of projection screen |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5523880A (en) * | 1994-07-27 | 1996-06-04 | Draper Shade & Screen Co., Inc. | Projection screen masking system |
| FR2865553B1 (en) * | 2003-05-23 | 2006-04-07 | Guy Danthony | MASK DEVICE FOR CINEMA SCREEN |
| JP2007537466A (en) * | 2004-05-12 | 2007-12-20 | シラス・クリール | Folding projection screen system |
| TWI354861B (en) * | 2008-01-23 | 2011-12-21 | Optoma Corp | Project screen |
| CN201319109Y (en) * | 2008-12-18 | 2009-09-30 | 极品影视设备科技(深圳)有限公司 | Variable length-width ratio projection curtain |
| US8169698B1 (en) * | 2011-08-08 | 2012-05-01 | Stewart Filmscreen Corporation | Dual movable projection screen structure |
| KR101219780B1 (en) * | 2011-10-31 | 2013-01-09 | 홍선표 | Screen apparatus using zip line |
| CN202472229U (en) * | 2012-03-07 | 2012-10-03 | 极品影视设备科技(深圳)有限公司 | Variable-ratio frame type projection screen |
| EP2984523B1 (en) * | 2013-04-09 | 2019-03-13 | Imax Corporation | Vertical winding of a screen into a roll |
| CN203832080U (en) * | 2014-05-21 | 2014-09-17 | 王桂芬 | Combined blackboard |
| CN204576051U (en) * | 2015-05-06 | 2015-08-19 | 芜湖影星巨幕有限公司 | Black surround regulating device on a kind of mute |
| CN204759009U (en) * | 2015-07-31 | 2015-11-11 | 马鞍山星球银幕科技有限公司 | Fixing device is evened up to black surround with adjustable |
| CN205942237U (en) * | 2016-07-29 | 2017-02-08 | 马鞍山星球银幕科技有限公司 | Screen mask system |
-
2016
- 2016-07-29 CN CN201711020807.1A patent/CN107728418B/en active Active
- 2016-07-29 CN CN201610616644.2A patent/CN106094411B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104163364A (en) * | 2014-06-30 | 2014-11-26 | 江苏红叶视听器材股份有限公司 | Device for releasing black edge of projection screen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107728418B (en) | 2020-03-24 |
| CN106094411A (en) | 2016-11-09 |
| CN107728418A (en) | 2018-02-23 |
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