CN109240033A - A kind of image procossing and show device - Google Patents
A kind of image procossing and show device Download PDFInfo
- Publication number
- CN109240033A CN109240033A CN201811265571.2A CN201811265571A CN109240033A CN 109240033 A CN109240033 A CN 109240033A CN 201811265571 A CN201811265571 A CN 201811265571A CN 109240033 A CN109240033 A CN 109240033A
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- driving
- driven
- belt pulley
- supporting plate
- lifting
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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
- G03B21/14—Details
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Displays For Variable Information Using Movable Means (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention relates to a kind of image procossing and show device, the problem of existing the displayings device of effective solution cannot be such that two sides spectators understand readily to obtain information, and large display screen cost is too high and laying is not easy, takes a long time;Its solve technical solution be include bottom plate, the base plate rear end is fixedly connected with back plate, it is characterized in that, the bottom plate front end is fixedly connected with main display, the main display rear end is set there are two being slidably connected at secondary display screen on the bottom plate, and the main display and each secondary display screen and are fixedly connected on the image processing apparatus electrical connection of the back plate front end face;Structure of the invention is succinct, and cost is relatively low, and only relying on mechanical structure realizes the purpose of multi-surface exhibition, practical.
Description
Technical field
The present invention relates to show engineering device technique field, specifically a kind of image procossing and displaying device.
Background technique
With the reach of science, the application of multimedia technology more extensively and enters daily life.Increasingly
More public arenas, people begin to use the speech of projection auxiliary and publicity, the image for needing to express by the displaying of projection image
The information transmitted with needs.Likewise, the presentation device of similar projection is also gradually popularized in campus.
However, existing presentation device still has several drawbacks.Wherein a very crucial problem is, because of existing exhibition
Showing device depends on screen displaying image in order to assist explaining more, but smooth plane screen is often only immediately ahead of screen
Spectators and audience bring optimal viewing experience, the people positioned at two sides are often difficult complete clearly to obtain the screen exhibition of asking for
The information shown.Especially in campus, teacher generallys use projector aided education, because of the display by classroom space, projection cloth without
Method setting is excessive, this just necessarily causes the student of two sides that can not completely be clearly apparent the information for projecting characters show.Moreover because that need to keep away
Blackboard and dais are opened, projection cloth is often placed in classroom blackboard side, this results in the student far from projection cloth side even complete
It can not see the content of projection characters show.And in the speech or open class in large-scale classroom, the position of projection cloth and size are into one
Step improves the student of two sides and rear and the difficulty of audience's acquisition information.Existing large enterprise is past in exhibition or news conference
It is past information to be communicated completely to by whole spectators using the large display screen of the far super normal display screen of volume and listened
Crowd, but it is excessively high to do so cost, and Ground arrangement takes a long time, hence it is evident that it can not popularize in daily life.Therefore it is badly in need of a kind of figure
Two sides spectators cannot be made to remove readily acquisition information, large display screen cost to solve existing displaying device as showing device
The problem of too high and laying is not easy, takes a long time.
Therefore, the present invention provides a kind of image procossing and shows device to solve the problems, such as this.
Summary of the invention
For above situation, for the defect for overcoming the prior art, the present invention provides a kind of image procossing and shows device, has
Effect solve existing displayings device cannot make two sides spectators understand readily acquisition information, large display screen cost it is too high and
The problem of laying is not easy, takes a long time.
The present invention includes bottom plate, and the base plate rear end is fixedly connected with back plate, which is characterized in that the bottom plate front end is fixed
It is connected with main display, the main display rear end is set there are two the secondary display screen being slidably connected on the bottom plate, described
Main display and each secondary display screen are electrically connected with the image processing apparatus for being fixedly connected on the back plate front end face;
Each secondary display screen is slidably connected on the supporting plate of bottom plate upper surface, is slided up and down on two supporting plates
It is connected with cloth roll frame, cloth roll frame lower end described in two is fixedly connected to drive rack, and the side of drive rack described in two is
It is engaged with the driving gear being rotatably connected on the supporting plate, two driving gears pass through lifting transmission mechanism band turn
The dynamic driven gear rotation being connected on the supporting plate, is engaged with to slide up and down by driven gear described in two and is connected to institute
The driven rack gear on supporting plate is stated, two driven upper end of the rack are fixedly connected with projector supporting plate, projector described in two
Micro projector is placed on supporting plate, micro projector described in two is electrically connected with the image processing apparatus, and two
A driving gear is driven by driving structure;
Two cloth roll frame upper ends are rotatably connected to cloth beam, are wound with projection cloth on two cloth beams, and two
The cloth beam has been fixedly and coaxially connected batching driving belt pulley, and batching driving belt pulley described in two passes through belt
It is connected with the batching driven pulley being rotatably connected on the cloth roll frame, batching driven pulley described in two is coaxial
It is fixedly connected with the batching line wheel being rotatably connected on the cloth roll frame, is wound with the other end in batching line wheel described in two
The rope being fixedly connected on the supporting plate, cloth beam can put down projection cloth when increase cloth roll frame.
Preferably, the lifting transmission mechanism includes that the first lifting being fixedly and coaxially connected with the driving gear passes
Dynamic belt pulley, the first lifting and driving belt pulley pass through belt and the lifting big belt pulley being rotatably connected on the supporting plate
It is connected, the lifting big belt pulley has been fixedly and coaxially connected lifting small belt pulley, and the driven gear is fixedly and coaxially connected
There is the second lifting and driving belt pulley, the second lifting and driving belt pulley passes through belt and the lifting small belt pulley phase
Even.
Preferably, the body rear is fixedly connected with central rotating shaft, and the driving structure includes being rotatably connected on institute
The transfer bevel gear in drive shaft is stated, is engaged with by the transfer bevel gear and is rotatably connected on the back plate front end face
Driving bevel gear, the transfer bevel gear have been fixedly and coaxially connected driving transfer belt pulley, the driving transfer belt pulley
By the belt around the first tensioning wheel and the second tensioning wheel being rotatably connected on the supporting plate and it is rotatably connected on the support
Driving driven pulley on plate is connected, and the driving driven pulley has been fixedly and coaxially connected driven wheel of differential, it is described from
The deflecting bevel gear being rotatably connected on the supporting plate is engaged with by dynamic bevel gear, the deflecting bevel gear is fixedly and coaxially connected
There is deflecting belt pulley, the deflecting belt pulley passes through belt and the lifting driving belt pulley phase being rotatably connected on the supporting plate
Even, the lifting driving belt pulley and the lifting big belt pulley are fixedly and coaxially connected.
Preferably, it is arranged with both ends fixation in the shaft of the batching line wheel and is fixedly connected with the reset on cloth roll frame
Wind spring.
Preferably, supporting plate rear end described in two is fixedly connected to driving swing rod, and driving swing rod described in two is another
End is fixedly connected to swing driven sprocket, and swing driven sprocket described in two is rotatably connected on the central rotating shaft
On, swing driven sprocket described in two passes through chain and is connected with the wobble drive sprocket wheel being rotatably connected on the bottom plate,
Wobble drive sprocket wheel described in two has been fixedly and coaxially connected swing driven wheel of differential, swing driven wheel of differential described in two
Side is engaged with the wobble drive bevel gear being rotatably connected in the back plate.
Preferably, the shaft of wobble drive bevel gear described in driving bevel gear described in two and two both passes through described
Back plate is fixedly connected with rocking handle.
Preferably, it is equipped with to horizontally slip below secondary display screen front end described in two and be connected on two supporting plates
Gear shaft.
Preferably, supporting plate lower end surface described in two is rotatably connected to multiple guide wheels, offers cunning on the bottom plate
Slot, multiple guide wheels are slidably disposed in the sliding slot.
Preferably, bottom plate lower end surface quadrangle is fixedly connected to supporting leg, and the supporting leg is vulcanie material.
Preferably, it is removably connected with shell on the bottom plate, multiple buckles are rotatably connected on the shell.
The present invention cannot make two sides spectators understand that readily acquisition information, large size are aobvious for existing displaying device
The problem of display screen cost is too high and laying is not easy, takes a long time makes improvement, the secondary display screen slidably adjusted is added, to take into account
The student or spectators of two sides, the complete image for receiving to show and information can be removed by making it;Image processing apparatus is added, being used for will
Received sub-image signal, which is spread, is defeated by different display screens;Adjustable projection cloth and micro projector are added, to prevent
The student or spectators of heel row can not see screen clearly because of distance problem in biggish place, and the present apparatus is simple for structure, and cost is relatively low, only
The purpose of multi-surface exhibition is realized by mechanical structure, it is practical.
Detailed description of the invention
Fig. 1 is stereoscopic schematic diagram of the present invention.
Fig. 2 is schematic rear view of the present invention.
Fig. 3 is decapsidate stereoscopic schematic diagram one of the present invention.
Fig. 4 is the secondary display screen of the present invention, supporting plate and dependency structure stereoscopic schematic diagram one.
Fig. 5 is supporting plate of the present invention and its dependency structure schematic front view.
Fig. 6 is the secondary display screen of the present invention, supporting plate and dependency structure stereoscopic schematic diagram two.
Fig. 7 is decapsidate stereoscopic schematic diagram two of the present invention.
Fig. 8 is decapsidate schematic top plan view of the present invention.
Fig. 9 is the secondary display screen in present invention left side, supporting plate, lifting transmission mechanism, driving structure stereoscopic schematic diagram.
Figure 10 is the secondary display screen on present invention right side, supporting plate, lifting transmission mechanism, driving structure stereoscopic schematic diagram.
Figure 11 is bottom plate of the present invention and its dependency structure stereoscopic schematic diagram.
Specific embodiment
For the present invention aforementioned and other technology contents, feature and effect, in following cooperation with reference to figures 1 through Figure 11 pairs
In the detailed description of embodiment, can clearly it present.The structure content being previously mentioned in following embodiment is attached with specification
Figure is reference.
Each exemplary embodiment of the invention is described below with reference to accompanying drawings.
Embodiment one, the present invention are a kind of image procossing and show that device, including bottom plate 1, the bottom plate 1 can be placed in table
The positions such as face, ground, 1 rear end of bottom plate are fixedly connected with back plate 2, the bottom plate 1 and back plate 2 for providing for subsequent structural
Immobilizing foundation, which is characterized in that 1 front end of bottom plate is fixedly connected with main display 3, and 3 rear end of main display is equipped with two
A secondary display screen 4 being slidably connected on the bottom plate 1, the secondary display screen 4 can be two, for sliding when needed
To the left and right sides of main display 3, the information such as the image that need to be shown convenient for the spectators of two sides or the clear and complete acquisition of student's energy, institute
The secondary display screen 4 stated or multiple, quantity confirms with different application scenarios according to specific needs, the master
Display screen 3 and each secondary display screen 4 are electrically connected with the image processing apparatus 5 for being fixedly connected on 2 front end face of back plate
Connect, be integrated with power supply driving structure and image diverter module in the image processing apparatus 5, the power supply driving structure and
Image diverter module is and the electrical connection of the external socket of image processing apparatus 5, power supply driving structure are that image processing apparatus 5 provides
The shunting informations such as incoming image are transferred to main display 3 and each secondary display screen 4, image point by electric energy, image diverter module
Flow module is the prior art, and technological core is similar with the common adapter at an input terminal multi output end, when user will take down notes
After this computer or other devices are plugged on spigot and are connected with image processing apparatus 5 by data line, by information such as images
While passing to image diverter module, provided also by power supply driving structure for image processing apparatus 5 and subsequent electrical component
Electric energy, while external laptop or the excessive electricity of other equipment are consumed to prevent from beating electrical component in the present apparatus, it can also
Chargeable storage is fixedly connected on this present apparatus bottom plate 1, and by aforementioned and aftermentioned all in the battery driving present apparatus
Electrical component;
Each secondary display screen 4 is slidably connected on the supporting plate 6 of 1 upper surface of bottom plate, i.e., the described sliding of supporting plate 6 can band
Dynamic pair display screen 4 moves, and supporting plate 4 can adjust position according to user and without the actual demand of scene, to make student everywhere
Or the information such as the image that user need to show can be seen in spectators, slide up and down on two supporting plates 6 and are connected with cloth roll frame 7,
7 lower end of cloth roll frame described in two is fixedly connected to drive rack 8, and the connection type that slides up and down of the cloth roll frame 7 can
To be, realized by sliding rail and sliding block, specifically, 7 lower end of cloth roll frame is fixedly connected with drive rack 8, institute with reference to Fig. 4, Fig. 5
Vertical sliding rail is fixedly connected on the supporting plate 6 stated, drive rack 8, which slides up and down, to be connected in vertical sliding rail, i.e. sliding tooth
Item 8, which slides up and down, drives cloth roll frame 7 is synchronous to move up and down, while can also be real with the common technology of other skilled in the art
It is existing, the driving gear 9 being rotatably connected on the supporting plate 6, the sliding tooth are engaged with by drive rack 8 described in two
Wheel 9 is rotatably connected in the sliding rail side, because driving gear 9 drives drive rack 8 to slide up and down to drive cloth roll frame 7
It moves up and down, therefore the height for driving gear 9 to be rotatablely connected determines the topnotch that cloth roll frame 7 can rise, and can rise to protect cloth roll frame 7
To highest, driving gear 9 can be located to the sliding rail side topmost, the height of driving gear 9 can also be according to different needs
It determines, two driving gears 9 drive the driven gear 10 being rotatably connected on the supporting plate 6 by lifting transmission mechanism
Rotation, is engaged with the driven rack gear 11 for sliding up and down and being connected on the supporting plate 6 by driven gear 10 described in two, and two
11 upper end of driven rack gear is fixedly connected with projector supporting plate 12, is placed on projector supporting plate 12 described in two miniature
Projector 13, the specific connection type and drive rack 8 of the driven rack gear 11 being connected on supporting plate 6 slided up and down are connected to support
Mode on plate 6 is identical, with reference to Fig. 5, Fig. 6, i.e., sliding rail is fixedly connected on supporting plate 6, driven rack gear 11, which slides up and down, is connected to cunning
In rail, while driven gear 10 is rotatably connected on sliding rail side, and driven rack gear 11, which slides up and down, drives about 12 projector supporting plate
Sliding is to driving micro projector 13 to slide up and down, can will be driven likewise, for the lifting height for guaranteeing micro projector 13
Rack gear 11 is located at the highest point of sliding rail, can also as needed be set to other height, micro projector 13 described in two and institute
The image processing apparatus 5 stated is electrically connected, and the image processing apparatus 5 can pass to the information such as received image described micro-
Type projector 13, driving gear 9 described in two are driven by driving structure;
Two 7 upper ends of cloth roll frame are rotatably connected to cloth beam 14, are wound with projection cloth on two cloth beams 14,
The projection cloth lower end should be fixedly connected with counterweight cross bar as common projection cloth, described when projection cloth expansion
Micro projector 13 can throw the information such as image from image processing apparatus 5 to projection cloth, cloth beam 14 described in two
It is fixedly and coaxially connected batching driving belt pulley 16, batching driving belt pulley 16 described in two is connected by belt and rotation
The batching driven pulley 17 connect on the cloth roll frame 7 is connected, and batching driven pulley 17 described in two is coaxial solid
Surely it is connected with the batching line wheel 18 being rotatably connected on the cloth roll frame 7, is wound in batching line wheel 18 described in two another
One end is fixedly connected on the rope on the supporting plate 6, and the fixed form of rope can be and be fixedly connected with link on supporting plate 6, and
Rope one end is tied up on link, other modes can also be used, cloth beam 14 can put down projection cloth when increase cloth roll frame 7,
For the present embodiment when specifically used, laptop or other devices are plugged on spigot and and image by data line by user
After processing unit 5 is connected, image information is passed to main display 3 and secondary display screen 4 by image processing apparatus 5, and user can basis
It needs slip blade 6 to drive secondary display screen 4 to the position needed, needs to open up so that the student of different location or spectators can watch
The image and information shown can drive the driving by control driving structure when user needs to show in large space
Gear 9 rotates, and 7 and of cloth roll frame is driven by drive rack 8, driven gear 10, driven rack gear 11, projector supporting plate 12
Micro projector 13 rises, while the rising of cloth roll frame 7 drives the batching line wheel 18 to rotate under the action of rope, thus logical
Cross batching driven pulley 17, batching driving belt pulley 16 drives the cloth beam 14 to rotate, micro- so that projection cloth be put down
Type projector 13 is synchronous to be risen the information such as image from image processing apparatus 5 is projected on projection cloth 15 so as to student or sight
Crowd's viewing, it should be noted that, because the micro projector 13 of student or spectators with described in is respectively at the two sides of the projection cloth, therefore
The projection cloth need to be with professional back-projection screen simultaneously, and cloth beam 14 can be by rear-projection while to guarantee that the cloth roll frame 7 rises
Curtain is put down, and rope should enter from 18 lower end of batching line wheel and be wrapped in batching line wheel 18.
Embodiment two, on the basis of example 1, the present embodiment provides a kind of specific lifting transmission mechanisms, to guarantee
Driving gear 9 smoothly drives driven gear 10 to rotate, specifically, the lifting transmission mechanism includes and the sliding tooth
The first lifting and driving belt pulley 19 that wheel 9 is fixedly and coaxially connected, the i.e. rotation of driving gear 9 can drive first lifting and driving
Belt pulley 19 rotates synchronously, and the first lifting and driving belt pulley 19 is by belt and is rotatably connected on the supporting plate 6
It goes up and down big belt pulley 20 to be connected, the driven gear 10 has been fixedly and coaxially connected the second lifting and driving belt pulley 22, described
Second lifting and driving belt pulley 22 is connected by belt with the lifting small belt pulley 21, i.e. the lifting small belt pulley 21
Rotation can drive the driven gear 10 to rotate by the second lifting and driving belt pulley 22, because answering in view of micro projector 13
Be always positioned at the central location of back-projection screen, with guarantee projection image can back-projection screen center it is not crooked go out back-projection screen except,
To guarantee this point, the lifting speeds of the cloth roll frame 7 should be twice in the lifting speeds of the micro projector 13, together
When, the speed that the back-projection screen falls also answers the lifting speeds of two times with the cloth roll frame 7, therefore second lifting and driving
The diameter of belt pulley is identical with lifting 20 diameter of big belt pulley and is twice of lifting small belt pulley 21, meanwhile, institute
The elemental height for the micro projector 13 stated is identical with 7 elemental height of cloth roll frame, and the present embodiment drives when specifically used
Moving gear 9 drives cloth roll frame 7 to rise by drive rack 8, and batching line wheel 18 rotates under the action of rope, by batching from skin
Belt wheel 17, batching driving belt pulley 16, cloth beam 14 fall back-projection screen with the identical speed of 7 lifting speeds of cloth roll frame, meanwhile,
The first lifting and driving belt pulley 19, lifting big belt pulley 20, lifting small belt pulley 21, the second lifting and driving belt pulley 22, from
Under the action of moving gear 10, driven rack gear 11, projector supporting plate 12, driving gear 9 drives micro projector 13 with 7 liters of cloth roll frame
The half for playing speed rises, to make the image projected always except the not crooked back-projection screen out in the center of back-projection screen.
Embodiment three present embodiments provides a kind of specific driving structure on the basis of example 2, in order to
Family readily controls the lifting of cloth roll frame 7, specifically, the body rear is fixedly connected with central rotating shaft 23, the driving
Structure includes the transfer bevel gear 24 being rotatably connected in the drive shaft, is engaged with rotation by the transfer bevel gear 24
It is connected to the driving bevel gear 25 of 2 front end face of back plate, the transfer bevel gear 24 has been fixedly and coaxially connected in driving
Turn belt pulley 26, the driving transfer belt pulley 26 passes through around the first tensioning wheel 27 being rotatably connected on the supporting plate 6
It is connected with the belt of the second tensioning wheel 28 with the driving driven pulley 29 being rotatably connected on the supporting plate 6, with reference to Fig. 9, institute
The first tensioning wheel 27 stated is used to be tensioned driving transfer belt pulley 26 and drives the belt between driven pulley 29, and described second
Tensioning wheel 28 is other than for tightening belt, and because being limited by structure space, second tensioning wheel 28 is also used to make belt
Around the sliding rail outside the driven rack gear 11 and driven rack gear 11, to guarantee the normal operation of driving structure, the i.e. drive
The rotation of dynamic bevel gear 25 drives driving transfer belt pulley 26 to rotate by the deflecting of transfer bevel gear 24, passes through the first tensioning wheel
27, the second tensioning wheel 28 and belt drive the driving driven pulley 29 to rotate, and the driving driven pulley 29 is same
Axis is fixedly connected with driven wheel of differential 30, and the deflecting being rotatably connected on the supporting plate 6 is engaged with by the driven wheel of differential 30
Bevel gear 31, the deflecting bevel gear 31 have been fixedly and coaxially connected deflecting belt pulley 32, and the deflecting belt pulley 32 passes through
Belt is connected with the lifting driving belt pulley 33 being rotatably connected on the supporting plate 6, the lifting driving belt pulley 33 and institute
The lifting big belt pulley 20 stated is fixedly and coaxially connected, i.e., described driving rotation of driven pulley 29 drives the slave mantle tooth
30 rotation of wheel drives the deflecting belt pulley 32 being fixedly and coaxially connected to rotate, by going up and down drive belt by deflecting bevel gear 31
Wheel 33 drives the lifting big belt pulley 20 being fixedly and coaxially connected to rotate, so that driving gear 9 be driven to rotate, is realized with this to batching
The driving and control that frame 7 and micro projector 13 are gone up and down, when specifically used, driving bevel gear 25 rotates the present embodiment, passes through
The deflecting of transfer bevel gear 24 drives driving transfer belt pulley 26 to rotate, and passes through the first tensioning wheel 27, the second tensioning wheel 28, driving
Driven pulley 29, driven wheel of differential 30, deflecting bevel gear 31, deflecting belt pulley 32, lifting driving belt pulley 33, lifting great Pi
Belt wheel 20 drives driving gear 9 to rotate, and realizes the driving and control to cloth roll frame 7 and the lifting of micro projector 13 with this.
It is fixed equal to be arranged with both ends on the basis of example 1 for example IV in the shaft of the batching line wheel 18
The reset wind spring 34 being fixedly connected on cloth roll frame 7 resets the purpose that wind spring 34 is arranged and is that batching line wheel 18 inverts, thus
By on cloth beam 14 described in back-projection screen rollback, while by rope rollback batching line wheel 18, because after present apparatus use,
It rotates backward driving bevel gear 25 to fall cloth roll frame 7, batching line wheel 18 is without driving force during this, and which results in back-projection screens
It can not reset on rollback to cloth beam 14, while rope can not cause the present apparatus that can not repeat to make on rollback to batching line wheel 18
With, therefore reset spring 34 is added in the present embodiment, when cloth roll frame 7 falls, rope no longer provides driving force to batching line wheel 18,
Reset spring 34 restores after deforming at this time, drives batching line wheel 18 to invert with this, thus to will be described in back-projection screen rollback
Cloth beam 14 on, while by rope rollback batching line wheel 18, the fixed form at 34 both ends of reset spring be can be
It is fixedly connected with two fixed plates on cloth roll frame 7, and reset volume is changed into 34 both ends and is separately fixed in fixed plate, is also possible to other
The common fixing means of those skilled in the art, it should be noted that, resetting 34 original state of wind spring is the original state not stressed,
It is original state when rising that cloth roll frame 7, which is similarly positioned in bottom, at this time.
Embodiment five, on the basis of embodiment three, the present embodiment provides a kind of structure for driving the supporting plate 6 to slide,
So that user is easy that supporting plate 6 is driven to slide on bottom plate 1, in order to user the secondary display screen 4 is moved to it is required
Position, specifically, 6 rear end of supporting plate described in two is fixedly connected to driving swing rod 35, its in this implementation is fixedly connected with mode
For keyway connection, driving 35 one end of swing rod is fixedly connected with special-shaped key, and 6 rear end of supporting plate is offered matches with the special-shaped key
The special-shaped slot of conjunction is that the driving swing of swing rod 35 can drive the supporting plate 6 to swing, and 35 other end of driving swing rod described in two is equal
It is fixedly connected with and swings driven sprocket 36, swing driven sprocket 36 described in two is rotatably connected on the central rotating shaft 23
On, i.e. swing driven sprocket 36 rotation can be by driving swing rod 35 that the supporting plate 6 is driven to put on bottom plate 1 around central rotating shaft 23
Dynamic, swing driven sprocket 36 described in two passes through chain and the wobble drive sprocket wheel 37 being rotatably connected on the bottom plate 1
It is connected, is rotated in the present embodiment using sprocket system, is connected with more structure on the supporting plate 6 driven by driving swing rod 35, possesses one
Fixed weight, the case where easily being had skidded using the transmission of belt train, transmission efficiency is low, and long-term skid can also shorten making for belt
With the service life, therefore sprocket system is used to be driven, wobble drive sprocket wheel 37 described in two has been fixedly and coaxially connected swing from mantle tooth
Wheel 38 swings the wobble drive cone tooth for being engaged with and being rotatably connected in the back plate 2 by driven wheel of differential 38 described in two
Wheel 39, for the present embodiment when specifically used, the wobble drive bevel gear 39 drives the driven wheel of differential 38 to rotate, from
And the wobble drive sprocket wheel 37 being fixedly and coaxially connected with the driven wheel of differential 38 is driven to rotate, it is swung by chain-driving driven
Sprocket wheel 36 rotates, to drive supporting plate 6 to swing by driving swing rod 35, secondary display screen 4 is made to be moved to the place of needs.
Embodiment six, on the basis of embodiment five, for convenient for driving bevel gear 25 and two described in user's drive two
A wobble drive bevel gear 39 rotates, and the present embodiment provides a kind of structures that letter is answered, specifically, driving bevel gear described in two
25 and two described in the shaft of wobble drive bevel gear 39 both pass through the back plate 2 and be fixedly connected with rocking handle 40, i.e., user is only
Need to shake rocking handle 40 can drive two described in driving bevel gear 25 and two wobble drive bevel gears 39 rotate, should be noted
It is that, with reference to Fig. 2, only in Fig. 2, the rocking handle 40 in left side is used to drive the wobble drive bevel gear 39 in left side to rotate, to drive
The supporting plate 6 in left side is swung, and to drive the secondary display screen 4 in left side to swing to the left, the rocking handle 40 on right side is used to drive the swing on right side
Driving bevel gear 39 rotates, so that the supporting plate 6 on right side is driven to swing, to drive the secondary display screen 4 on right side to swing to the left, top
Rocking handle 40 is used to drive the driving bevel gear 25 of top to rotate, so that the cloth roll frame 7 in left side and micro projector 13 is driven to go up and down,
The rocking handle 40 of lower section is used to drive the driving bevel gear 25 of lower section to rotate, to drive the cloth roll frame 7 and micro projector on right side
13 liftings.
Embodiment seven, on the basis of example 2, the present embodiment provides another kinds to make the image for making to project always
Mode except the not crooked back-projection screen out in the center of back-projection screen, specifically, being all provided with below secondary 4 front end of display screen described in two
There is the gear shaft 41 for horizontally slipping and being connected on two supporting plates 6, when user needs to put down back-projection screen, gear shaft 41 can be taken out
Out, and by secondary display screen 4 put down, in the present embodiment, the diameter of the batching driven pulley 17 and the batching line
Wheel 18 diameter answer it is twice identical and being batching driving belt pulley 16, make cloth roll frame 7 rise when back-projection screen can with two times with
The speed decline that cloth roll frame 7 rises, at this point, will to be always positioned at back-projection screen center two not askew for the image that projects of micro projector 13
Tiltedly, i.e. for micro projector 13 without movement, the present embodiment compares structure described in embodiment two, and drive micro projection has been fallen in optimization
The structure that instrument 13 is gone up and down, but the area that this structure back-projection screen can be shown is relatively small, i.e., i.e. when back-projection screen is fallen on supporting plate 6
For the maximum area that back-projection screen is shown, if cloth roll frame 7 continues to rise at this time, the image that micro projector 13 projects will no longer position
In the center of projection cloth, and the present embodiment also needs to put down secondary display screen 4, and operation is relatively cumbersome, can be according to the difference of the present apparatus
Usage scenario and demand select unused structure.
Embodiment eight present embodiments provides a kind of supporting plate 6 and is slidably connected on bottom plate 1 on the basis of example 1
Concrete mode, specifically, 6 lower end surface of supporting plate described in two is rotatably connected to multiple guide wheels 42, opens on the bottom plate 1
Equipped with sliding slot 43, multiple guide wheels 42 are slidably disposed in the sliding slot 43, i.e., when user shakes rocking handle 40 with movable pendulum
Dynamic driving bevel gear 39 rotates, thus by swinging driven wheel of differential 38, wobble drive sprocket wheel 37, swinging driven sprocket 36, chain
When item, driving swing rod 35 drive supporting plate 6 to swing, guide wheel 42 rotates in sliding slot 43, swings supporting plate 6 on bottom plate 1 with this
Friction reduces, and improves the service life and transmission efficiency of the present apparatus.
Embodiment nine, on the basis of example 1, the 1 lower end surface quadrangle of bottom plate are fixedly connected to supporting leg 44, institute
The supporting leg 44 stated is vulcanie material, and the supporting leg of vulcanie material enables the present apparatus to have one when being placed on ground or desktop
A firm support, while hard rubber material can increase the frictional force of supporting leg and ground or desktop, prevent the present apparatus from using
When shake.
Embodiment ten is removably connected with shell 45 on the basis of example 1 on the bottom plate, shell 45 is set
Setting makes the present apparatus internal mechanism can be prevented to be damaged by due protection when not in use, rotates on the shell 45
Multiple buckles 46 are connected with, the buckle 46 can be buckled on the bottom plate 1 and back plate 2, shell 45 is closely fastened on described
Bottom plate 1 and back plate 2 on, it is close to fasten buckle 46, fixed in the shaft that buckle 46 and shell 45 are rotatablely connected can connect
Spring is connect, to improve stability.
When specifically used, user can be placed the present apparatus on the table, opened multiple buckles 46 and removed shell 45, will
After laptop or other devices are plugged on spigot and are connected with image processing apparatus 5 by data line, image procossing dress
It sets 5 and image information is passed into main display 3 and secondary display screen 4, user can shake the rocking handle 40 in left side as needed to drive
The secondary display screen 4 in left side is swung to the left, or shakes the rocking handle 40 on right side to drive the secondary display screen 4 on right side to swing to the left, specifically
, the rocking handle 40 that user shakes left or right side drives the wobble drive bevel gear 39, to drive the slave mantle
Gear 38 rotates, so that the wobble drive sprocket wheel 37 being fixedly and coaxially connected with the driven wheel of differential 38 be driven to rotate, passes through chain
Band movable pendulum is moved driven sprocket 36 and is rotated, to drive supporting plate 6 to swing by driving swing rod 35, being moved to secondary display screen 4 is needed
The place wanted;
When user needs to show in large space, user can first pass through above-mentioned steps and supporting plate 6 is moved to desired position,
User can shake the rocking handle 40 of top to drive the driving bevel gear 25 of top to rotate later, and driving bevel gear 25 rotates, and pass through
The deflecting of transfer bevel gear 24 drives driving transfer belt pulley 26 to rotate, and passes through the first tensioning wheel 27, the second tensioning wheel 28, driving
Driven pulley 29, driven wheel of differential 30, deflecting bevel gear 31, deflecting belt pulley 32, lifting driving belt pulley 33, lifting great Pi
Belt wheel 20 drives driving gear 9 to rotate, and driving gear 9 drives cloth roll frame 7 to rise by drive rack 8, under the action of rope
Batching line wheel 18 rotates, by batching slave pulley 17, batching driving belt pulley 16, cloth beam 14 by back-projection screen with cloth roll frame 7
The identical speed of lifting speeds falls, meanwhile, in the first lifting and driving belt pulley 19, lifting big belt pulley 20, lifting belt lace
Under the action of taking turns the 21, second lifting and driving belt pulley 22, driven gear 10, driven rack gear 11, projector supporting plate 12, gear is driven
9 drive micro projector 13 to rise with the half of 7 lifting speeds of cloth roll frame, to make the image of projection always in back-projection screen
Center it is not crooked go out back-projection screen except;
After present apparatus use, user can shake the rocking handle 40 of lower section to drive the driving bevel gear 25 of top to rotate, and drive
Dynamic bevel gear 25 rotates, and drives driving transfer belt pulley 26 to rotate by the deflecting of transfer bevel gear 24, passes through the first tensioning wheel
27, the second tensioning wheel 28, driving driven pulley 29, driven wheel of differential 30, deflecting bevel gear 31, deflecting belt pulley 32, lifting
Driving belt pulley 33, lifting big belt pulley 20 drive driving gear 9 to rotate, and driving gear 9 drives cloth roll frame by drive rack 8
7 declines, rope no longer provides driving force to batching line wheel 18 at this time, and reset spring 34 restores after deforming, and is driven with this
Batching line wheel 18 inverts, thus to by cloth beam 14 described in back-projection screen rollback, while by rope rollback batching line wheel 18
On, the reset of the present apparatus is completed with this, the rocking handle 40 that user need to only shake the left and right sides later replys the supporting plate 6 of the left and right sides
It is in situ simultaneously to put back to shell 45 on bottom plate 1, after multiple buckles 46 are buckled on bottom plate 1 and back plate 2.
The present invention cannot make two sides spectators understand that readily acquisition information, large size are aobvious for existing displaying device
The problem of display screen cost is too high and laying is not easy, takes a long time makes improvement, the secondary display screen slidably adjusted is added, to take into account
The student or spectators of two sides, the complete image for receiving to show and information can be removed by making it;Image processing apparatus is added, being used for will
Received sub-image signal, which is spread, is defeated by different display screens;Adjustable projection cloth and micro projector are added, to prevent
The student or spectators of heel row can not see screen clearly because of distance problem in biggish place, and the present apparatus is simple for structure, and cost is relatively low, only
The purpose of multi-surface exhibition is realized by mechanical structure, it is practical.
Claims (10)
1. a kind of image procossing and displaying device, including bottom plate (1), bottom plate (1) rear end are fixedly connected with back plate (2),
Be characterized in that, bottom plate (1) front end is fixedly connected with main display (3), main display (3) rear end set there are two sliding
The secondary display screen (4) being connected on the bottom plate (1), the main display (3) and the secondary display screen (4) and
It is fixedly connected on image processing apparatus (5) electrical connection of the back plate (2) front end face;
Each secondary display screen (4) is slidably connected on the supporting plate (6) of bottom plate (1) upper surface, two supporting plates (6)
On slide up and down and be connected with cloth roll frame (7), cloth roll frame (7) lower end described in two is fixedly connected to drive rack (8), two
The driving gear (9) being rotatably connected on the supporting plate (6), two drives are engaged with by a drive rack (8)
Moving gear (9) drives the driven gear (10) being rotatably connected on the supporting plate (6) to rotate by lifting transmission mechanism, and two
The driven rack gear (11) for sliding up and down and being connected on the supporting plate (6), two institutes are engaged with by the driven gear (10)
It states driven rack gear (11) upper end to be fixedly connected with projector supporting plate (12), be placed on projector supporting plate (12) described in two
Micro projector (13), micro projector (13) described in two are electrically connected with the image processing apparatus (5), two institutes
The driving gear (9) stated is driven by driving structure;
Two cloth roll frame (7) upper ends are rotatably connected to cloth beam (14), are wound on two cloth beams (14)
Projection cloth, cloth beam (14) described in two have been fixedly and coaxially connected batching driving belt pulley (16), batching described in two
Driving belt pulley (16) passes through belt and batching driven pulley (17) phase being rotatably connected on the cloth roll frame (7)
Even, batching driven pulley (17) described in two is fixedly and coaxially connected the volume being rotatably connected on the cloth roll frame (7)
Wiring round (18) is wound with the rope that the other end is fixedly connected on the supporting plate (6) in batching line wheel (18) described in two
Rope, cloth beam (14) can put down projection cloth when increase cloth roll frame (7).
2. a kind of image procossing according to claim 1 and displaying device, which is characterized in that the lifting transmission mechanism
Including the first lifting and driving belt pulley (19) being fixedly and coaxially connected with the driving gear (9), first lifting is passed
Dynamic belt pulley (19) are connected by belt with the lifting big belt pulley (20) being rotatably connected on the supporting plate (6), the liter
Drop big belt pulley (20) has been fixedly and coaxially connected lifting small belt pulley (21), and the driven gear (10) has been fixedly and coaxially connected
Second lifting and driving belt pulley (22), the second lifting and driving belt pulley (22) pass through belt and the lifting belt lace
(21) are taken turns to be connected.
3. a kind of image procossing according to claim 2 and displaying device, which is characterized in that the body rear is fixed to be connected
It being connected to central rotating shaft (23), the driving structure includes the transfer bevel gear (24) being rotatably connected in the drive shaft,
The driving bevel gear (25) for being rotatably connected on described back plate (2) front end face, institute are engaged with by the transfer bevel gear (24)
The transfer bevel gear (24) stated has been fixedly and coaxially connected driving transfer belt pulley (26), and the driving transfer belt pulley (26) is logical
It crosses around belt and the rotation connection of the first tensioning wheel (27) and the second tensioning wheel (28) being rotatably connected on the supporting plate (6)
Driving driven pulley (29) on the supporting plate (6) is connected, and the driving driven pulley (29) is fixedly and coaxially connected
Have driven wheel of differential (30), the deflecting cone tooth being rotatably connected on the supporting plate (6) is engaged with by the driven wheel of differential (30)
It takes turns (31), the deflecting bevel gear (31) has been fixedly and coaxially connected deflecting belt pulley (32), the deflecting belt pulley (32)
It is connected by belt with the lifting driving belt pulley (33) being rotatably connected on the supporting plate (6), the lifting drive belt
Wheel (33) and the lifting big belt pulley (20) are fixedly and coaxially connected.
4. a kind of image procossing according to claim 1 and displaying device, which is characterized in that the batching line wheel (18)
Shaft on be arranged with both ends fixation be fixedly connected with the reset wind spring (34) on cloth roll frame (7).
5. a kind of image procossing according to claim 3 and displaying device, which is characterized in that supporting plate (6) described in two
Rear end is fixedly connected to driving swing rod (35), and it is driven that driving swing rod (35) other end described in two is fixedly connected to swing
Sprocket wheel (36), swing driven sprocket (36) described in two is rotatably connected on the central rotating shaft (23), described in two
Swing driven sprocket (36) be connected with the wobble drive sprocket wheel (37) being rotatably connected on the bottom plate (1) by chain,
Wobble drive sprocket wheel (37) described in two has been fixedly and coaxially connected swing driven wheel of differential (38), swing described in two from
The wobble drive bevel gear (39) being rotatably connected on the back plate (2) is engaged with by dynamic bevel gear (38).
6. a kind of image procossing according to claim 5 and displaying device, which is characterized in that tooth is bored in driving described in two
The shaft for taking turns wobble drive bevel gear (39) described in (25) and two both passes through the back plate (2) and is fixedly connected with rocking handle
(40).
7. a kind of image procossing according to claim 2 and displaying device, which is characterized in that secondary display screen described in two
(4) gear shaft (41) for horizontally slipping and being connected on two supporting plates (6) is equipped with below front end.
8. a kind of image procossing according to claim 1 and displaying device, which is characterized in that supporting plate (6) described in two
Lower end surface is rotatably connected to multiple guide wheels (42), is offered on the bottom plate (1) sliding slot (43), multiple guide wheels
(42) it is slidably disposed in the sliding slot (43).
9. a kind of image procossing according to claim 1 and displaying device, which is characterized in that bottom plate (1) lower end surface
Quadrangle is fixedly connected to supporting leg (44), and the supporting leg (44) is vulcanie material.
10. a kind of image procossing according to claim 1 and displaying device, which is characterized in that removable on the bottom plate
It unloads and is connected with shell (45), multiple buckles (46) are rotatably connected on the shell (45).
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