CN106205224A - A kind of distance for dais of imparting knowledge to students rotatable integration projector structure - Google Patents

A kind of distance for dais of imparting knowledge to students rotatable integration projector structure Download PDF

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Publication number
CN106205224A
CN106205224A CN201610494953.7A CN201610494953A CN106205224A CN 106205224 A CN106205224 A CN 106205224A CN 201610494953 A CN201610494953 A CN 201610494953A CN 106205224 A CN106205224 A CN 106205224A
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CN
China
Prior art keywords
projector
dais
projection
motor
distance
Prior art date
Application number
CN201610494953.7A
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Chinese (zh)
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CN106205224B (en
Inventor
李梦
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武汉均姆机械设备有限公司
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Priority to CN201610494953.7A priority Critical patent/CN106205224B/en
Publication of CN106205224A publication Critical patent/CN106205224A/en
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Publication of CN106205224B publication Critical patent/CN106205224B/en

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Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B5/00Electrically-operated educational appliances
    • G09B5/02Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES OR APPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS OR SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/04Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES OR APPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS OR SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/18Heads with mechanism for moving the apparatus relatively to the stand
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/54Accessories

Abstract

A kind of distance for dais of imparting knowledge to students rotatable integration projector structure, including dais main body and the perspective plane mechanism being located in the main body of dais, projector mechanism, what perspective plane mechanism included being stained with curtain says table top, switching mechanism, made by switching mechanism and say that the bolted connector of table top is from being vertically pushed into level, allow perspective plane from horizontal rotation to vertical direction, it is achieved be stained with curtain says that table top is available for projection and uses;Projector engine is hidden in dais body interior, and including projector, power delivery device, projector is raised to proper height by power delivery device, and projector is pushed into the outside suitably projected position in dais by power delivery device.Perspective plane and projector are integrated in one the integrated level of the system that improves by this projector mechanism, use and are said that the perspective plane that table top is constituted reduces the volume of system by be stained with curtain;This projector mechanism has that integration degree is high, controllability is strong, easy and simple to handle, compact conformation, feature with low cost.

Description

A kind of distance for dais of imparting knowledge to students rotatable integration projector structure

Technical field

The present invention relates to a kind of distance for dais of imparting knowledge to students rotatable integration projector structure.

Background technology

Multimedia transmission education informations can be very easy to accomplish that the picture and text sound of education informations cyclopentadienyl are to strengthen the true of information True feeling and representability.Such as, in Britain's multimedia teaching, the auxiliary software of application reaches more than 1,600 kinds, many The application of multi media for teaching not merely improves the efficiency of teaching of teacher, the most also can improve student learning interest, Well realize the interactive teaching between teacher and student so that the most withered weary tasteless course becomes animation visualization.One Overlap while complete multimedia teaching facility can be effectively improved student learning efficiency and can also reduce preparing lessons of teacher Pressure, plays the most important effect in daily teaching.

How the most integrated perspective plane and projector in conventional teaching dais, thus obtain that controllability is good, integrated level is high Integration projector structure, be the key point of multimedia teaching.At present, the conventional technology building projector mechanism mainly educates suspension Fixed projection, movement can build formula projection etc..Hang fixed projection, use and be suspended on metope, with spy by fixing for scialyscope Fixed distance and angle complete projection process to the mode that the projection screen of far-end projects, but hang fixed projection due to projection Machine is fixed, and can only use in stationary applica-tions place, has a significant limitation, and movement can build formula projection can portable use, can Adapting to different environment, but fraud is complicated in building equipment, projection correction takes time and effort.

Summary of the invention

It is an object of the invention to provide a kind of distance for dais of imparting knowledge to students rotatable integration projector structure, the present invention In projector mechanism use integrated structure, be integrated with perspective plane and two modules of projector, broken away from and individually set up one in the past The constraint of individual control perspective plane mechanism, it is achieved that the parallel practice of black board teaching during in projection teaching, making up can be the most normal Deficiency with teaching projection mechanism.

The present invention provides a kind of distance for dais of imparting knowledge to students rotatable integration projector structure, including dais main body and The perspective plane mechanism that is located in the main body of dais, projector mechanism, what described perspective plane mechanism included being stained with curtain says table top, tipper Structure, made by switching mechanism and say the bolted connector of table top from being vertically pushed into level, allow perspective plane from horizontal rotation to On vertical direction, it is achieved be stained with curtain says that table top is available for projection and uses;Described projector engine is hidden in dais body interior, Including projector, power delivery device, projector is raised to proper height by power delivery device, and power delivery device will projection Instrument is pushed into the outside suitably projected position in dais.By coordinating of the distance between projection screen with projector and angle, it is achieved Projecting function.

Further, described dais main body is the internal frame case for ghost of closed front, and its front end face is provided with for projection The projection import and export that the push rod actuating unit of instrument mechanism is flexible, its upper surface is provided with and coordinates the cooperation mouth saying table top.

Further, the switching mechanism of described perspective plane mechanism includes motor, slide rail, turnover hinge, hinge, described motor Outfan is connected with one end of slide rail, and the other end of slide rail connects one end of turnover hinge, and the other end of turnover hinge connects to be said Table top, what described gemel connection said the edge, one end of table top and dais main body says that table top coordinates the edge, one end of mouth.When motor leads to Electricity rear motor drives slide rail to do protrusive movement, and slide rail jack-up turnover hinge forward will be stained with the dais of projection screen by hinge Face rise certain angle is easy to projection.

Further, the power delivery device of described projector engine includes rotary lifting mechanism, projection transfer bar mechanism, projection Transfer bar mechanism is located on rotary lifting mechanism.Projector can be raised to proper height by rotary lifting mechanism, projects transfer bar mechanism Projector is pushed into the outside suitably projected position in dais.

Rotary lifting mechanism includes that motor, gear train, hoistable platform, support platform, described support platform are located at dais master Internal bottom, is propped the structure of top board by four pillars, and hoistable platform is divided into upper mounting plate plate, lower platform plate and rotates screw rod, under Being provided with the location hole corresponding with four shore position at landing slab corner, lower platform plate is connected to four pillars by hole, location On, up and down motion can be balanced;The one end rotating screw rod is connected to lower platform plate middle position by bearing;The top board of support platform Being provided with the screwed hole coordinated with described rotation screw rod, described rotation screw rod connects upper mounting plate plate through screwed hole is fixing;Upper flat Platen connects projection transfer bar mechanism.Described motor is fixed on lower platform plate, and gear train is fixed on rotation screw rod and motor output shaft On.

Projection transfer bar mechanism includes fixing bar, the first motor, one-level slide rail, the second motor, two grades of slide rails, guide rail mechanism, 3rd motor, rotary shaft, described fixing bar is fixed on rotary lifting mechanism upper end, and the first motor connects one-level slide rail, and one-level is sliding One end of rail connects fixing bar;The other end of one-level slide rail connects two grades of slide rails, the second motor and two grades of slide rails and connects;Described lead One end of rail mechanism is fixed on fixing bar, and two grades of slide rails connect connection parallel with guide rail mechanism, can slide at guide rail mechanism, protect Hold the stable motion of two grades of slide rails;The other end of described two grades of slide rails connects projector, described 3rd electricity by connecting rotary shaft Machine connects rotary shaft, drives projector to rotate.

The invention has the beneficial effects as follows: the present invention uses lifting to draw high formula projector, and telescopic projection transfer bar mechanism can Automatically adjusting the distance of projector and projection screen plate, and project template and desktop integrated, the upset of desktop forms projection screen Plate, liftable projector also can reduce the space of equipment so that compact conformation.

Accompanying drawing explanation

The structure chart that Fig. 1 present invention is overall;

The structure chart of Fig. 2 rotation and lifting;

Fig. 3 projects the structure chart of transfer bar mechanism;

The structure chart of Fig. 4 perspective plane mechanism.

Detailed description of the invention

The present invention will be further described with embodiment in explanation below in conjunction with the accompanying drawings.

In Fig. 1-Fig. 4, a kind of distance for dais of imparting knowledge to students rotatable integration projector structure, including dais main body and The perspective plane mechanism 3 that is located in the main body of dais, projector mechanism, described perspective plane mechanism 3 includes being stained with saying table top 16, turning over of curtain Rotation mechanism, is made by switching mechanism and says that the bolted connector of table top 16, from being vertically pushed into level, allows perspective plane from level Rotate to vertical direction, it is achieved be stained with curtain says that table top 16 is available for projection and uses;Described projector engine is hidden in dais Body interior, including projector, power delivery device, projector is raised to proper height by power delivery device, and power pushes Projector is pushed into the outside suitably projected position in dais by mechanism.By the distance between projection screen and projector and angle Coordinate, it is achieved projecting function.

Wherein perspective plane mechanism 3, the power source of projector mechanism are all heavy-duty motors.

The power delivery device of described projector mechanism includes rotary lifting mechanism 1, projection transfer bar mechanism 2, projects push rod machine Structure 2 is fixed on rotary lifting mechanism 1.Projector can be raised to proper height by rotary lifting mechanism 1, projects transfer bar mechanism 2 Projector is pushed into the outside suitably projected position in dais.

The switching mechanism of described perspective plane mechanism 3 includes motor 13, slide rail 301, turnover hinge 14, hinge 15, described electricity The outfan of machine 13 is connected with one end of slide rail 301, and the other end of slide rail 301 connects one end of turnover hinge 14, turnover hinge The other end of 14 connects says table top 16, and what described hinge 15 connected the edge, one end saying table top 16 and dais main body says that table top 16 is joined The edge, one end healed up.When motor 13 rear motor that is energized drives slide rail to do protrusive movement, slide rail jack-up 14 turnover hinge forward is logical Cross hinge 15 table 16 being stained with projection screen is risen certain angle be easy to projection.

Wherein, slide rail 301 is a high-power line handspike, and motor 13 is direct current generator, by DC motor Driver, makes With say that the bolted connector of table top 16, from being vertically pushed into level, allows perspective plane from horizontal rotation to vertical direction, it is achieved Be stained with curtain says that table top 16 is available for the function that projection uses.Perspective plane is connected with contiguous block right angle, big by using Turnover hinge is pushed into level and can produce a desired effect by the motor of power, and this structure is the most attractive in appearance but also saves space.

Rotary lifting mechanism 1 includes motor 4, gear train 5, hoistable platform, support platform 105, and described support platform is located at Dais main body inner bottom part, is propped the structure of top board 102 by four pillars, and hoistable platform is divided into upper mounting plate plate 101, lower platform plate 103 and rotate screw rod, be provided with the location hole corresponding with four shore position at lower platform plate 103 4 jiaos, lower platform plate 103 passes through Hole, location is connected on four pillars, can balance up and down motion;The one end rotating screw rod is connected to lower platform plate 103 by bearing Middle position;The top board 102 of support platform is provided with the screwed hole coordinated with described rotation screw rod, and described rotation screw rod passes spiral shell Pit is fixing connects upper mounting plate plate 101;Upper mounting plate plate 101 connects projection transfer bar mechanism 2.Described motor 4 is fixed on lower platform plate 103, gear train 5 is fixed on rotation screw rod and motor output shaft.Rotary lifting mechanism 1 as shown in Figure 2, when motor 4 energising turns Become driven gear 5 after Dong again to rotate, hoistable platform will be driven to rise by the gear motion of gear, to reach to show material object Suitably height.

Projection transfer bar mechanism 2 includes fixing bar, the first motor 6, one-level slide rail the 8, second motor 7, two grades of slide rails 9, guide rails Mechanism the 10, the 3rd motor 13, rotary shaft 11, described fixing bar is fixed on rotary lifting mechanism 1 upper end, and the first motor 6 connects one Level slide rail 8, one end of one-level slide rail 8 connects fixing bar;The other end of one-level slide rail 8 connects two grades of slide rails 9, the second motor 7 with Two grades of slide rails 9 connect;One end of described guide rail mechanism 10 is fixed on fixing bar, and two grades of slide rails 9 connect flat with guide rail mechanism 10 Row connects, and can slide at guide rail mechanism 10, keeps the stable motion of two grades of slide rails 9;The other end of described two grades of slide rails 9 is by even Connecing rotary shaft 11 and connect projector, described 3rd motor 13 connects rotary shaft 11, drives projector to rotate.Project as shown in Figure 3 Part, the motor 6 rear stage slide rail 8 that is energized travels forward, and at this moment projector will be stretched inside desk body.When motor 7 starts Rear two grades of slide rails 9 travel forward projector further outside desk body mobile well reach required appropriate location, due to two grades of slide rails Mechanism head, in order to stablize the motion of two grades of slide rails, loads guide rail mechanism 10.Motor 12 rear motor that is energized is rotated 11 turns of axle Dynamic, and then the rotation of drive projector, facilitate multi-direction projection.

Projection transfer bar mechanism 2 is raised to proper height by rotary lifting mechanism 1, and projector is pushed away by projection transfer bar mechanism 2 again The outside suitably projected position to dais.By coordinating of the distance between projection screen with projector and angle, it is achieved projection Function.

In the present embodiment, also can arrange index dial between rotary shaft and projector, projector is fixed on index dial, necessary Time also can be rotated to project on other directions, it is achieved the comprehensive projection of projector.Steady during in order to ensure pushrod movement Determine row, big push rod is provided with spacing polished rod, make projection transfer bar mechanism 2 normally work.

These are only some embodiments of the present invention, to those skilled in the art, without departing from this On the premise of bright creation design, also can carry out some deformation and improvement, these broadly fall into protection scope of the present invention.

Claims (8)

1. one kind for imparting knowledge to students the distance rotatable integration projector structure at dais, it is characterised in that: include dais main body and The perspective plane mechanism that is located in the main body of dais, projector mechanism, what described perspective plane mechanism included being stained with curtain says table top, tipper Structure, made by switching mechanism and say the bolted connector of table top from being vertically pushed into level, allow perspective plane from horizontal rotation to On vertical direction, it is achieved be stained with curtain says that table top is available for projection and uses;Described projector engine is hidden in dais body interior, Including projector, power delivery device, projector is raised to proper height by power delivery device, and power delivery device will projection Instrument is pushed into the outside suitably projected position in dais;By coordinating of the distance between projection screen with projector and angle, it is achieved Projecting function.
A kind of distance for dais of imparting knowledge to students the most according to claim 1 rotatable integration projector structure, its feature It is: described dais main body is the internal frame case for ghost of closed front, and its front end face is provided with pushing away for projector engine The projection import and export that bar actuating unit is flexible, its upper surface is provided with and coordinates the cooperation mouth saying table top.
A kind of distance for dais of imparting knowledge to students the most according to claim 1 rotatable integration projector structure, its feature It is: the switching mechanism of described perspective plane mechanism includes motor, slide rail, turnover hinge, hinge, the outfan of described motor and cunning One end of rail connects, and the other end of slide rail connects one end of turnover hinge, and the other end of turnover hinge connects says table top, described conjunction Page connect say the edge, one end of table top and dais main body say that table top coordinates the edge, one end of mouth;When electrical power rear motor drives Slide rail does protrusive movement, slide rail jack-up turnover hinge forward, by hinge by be stained with projection screen say table top rise certain angle Degree is easy to projection.
A kind of distance for dais of imparting knowledge to students the most according to claim 1 rotatable integration projector structure, its feature Being: the power delivery device of described projector engine includes rotary lifting mechanism, projection transfer bar mechanism, projection transfer bar mechanism sets On rotary lifting mechanism;Projector can be raised to proper height by rotary lifting mechanism, and projector is pushed away by projection transfer bar mechanism The outside suitably projected position to dais.
A kind of distance for dais of imparting knowledge to students the most according to claim 4 rotatable integration projector structure, its feature It is: rotary lifting mechanism includes that motor, gear train, hoistable platform, support platform, described support platform are located in the main body of dais Bottom, is propped the structure of top board by four pillars, and hoistable platform is divided into upper mounting plate plate, lower platform plate and rotates screw rod, lower platform Being provided with the location hole corresponding with four shore position at plate corner, lower platform plate is connected on four pillars by hole, location, can Balance moves up and down;The one end rotating screw rod is connected to lower platform plate middle position by bearing;Set on the top board of support platform Having the screwed hole coordinated with described rotation screw rod, described rotation screw rod connects upper mounting plate plate through screwed hole is fixing;Upper mounting plate plate Connect projection transfer bar mechanism;Described motor is fixed on lower platform plate, and gear train is fixed on rotation screw rod and motor output shaft.
A kind of distance for dais of imparting knowledge to students the most according to claim 4 rotatable integration projector structure, its feature Be: projection transfer bar mechanism includes fixing bar, the first motor, one-level slide rail, the second motor, two grades of slide rails, guide rail mechanism, the 3rd Motor, rotary shaft, described fixing bar is fixed on rotary lifting mechanism upper end, and the first motor connects one-level slide rail, one-level slide rail One end connects fixing bar;The other end of one-level slide rail connects two grades of slide rails, the second motor and two grades of slide rails and connects;Described guide rail machine One end of structure is fixed on fixing bar, and two grades of slide rails connect connection parallel with guide rail mechanism, can slide at guide rail mechanism, keep two The stable motion of level slide rail;The other end of described two grades of slide rails connects projector by connecting rotary shaft, and described 3rd motor is even Connect rotary shaft, drive projector to rotate.
A kind of distance for dais of imparting knowledge to students the most according to claim 6 rotatable integration projector structure, its feature It is: also can arrange index dial between rotary shaft and projector, projector is fixed on index dial, the most also can be rotated to it Other party upwards projects, it is achieved the comprehensive projection of projector.
A kind of distance for dais of imparting knowledge to students the most according to claim 6 rotatable integration projector structure, its feature It is: on shadow transfer bar mechanism, be provided with the spacing polished rod of stable row when ensureing pushrod movement, make projection transfer bar mechanism normal Work.
CN201610494953.7A 2016-06-29 2016-06-29 A kind of rotatable integration projector structure of long range for dais of imparting knowledge to students CN106205224B (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108682193A (en) * 2018-05-09 2018-10-19 德州职业技术学院(德州市技师学院) A kind of computer-assisted instruction device
CN108835876A (en) * 2018-09-03 2018-11-20 温州大学 A kind of intelligent tutoring dais
CN109036206A (en) * 2018-08-17 2018-12-18 广西紫极科技有限公司 A kind of computer networking technology exploitation displaying device
CN110173613A (en) * 2019-06-05 2019-08-27 厦门翟湾电脑有限公司 A kind of concealed installation equipment of optical projection system
CN110310527A (en) * 2019-06-20 2019-10-08 启东威艾信息技术有限公司 A kind of intelligent instructional device
CN111098621A (en) * 2019-03-28 2020-05-05 莱芜职业技术学院 Tourism management teaching auxiliary system based on chinese language teaching

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CN104957887A (en) * 2015-07-21 2015-10-07 苏州新颖新材料科技股份有限公司 Multifunctional intelligent tea table
CN105467740A (en) * 2015-12-15 2016-04-06 重庆触视科技有限公司 Bottom-up projection screen

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US3828695A (en) * 1972-08-08 1974-08-13 F Skarky Table apparatus
JP2002095539A (en) * 2000-09-25 2002-04-02 I D K Design Kenkyusho:Kk Cabinet with built-in screen
CN201654433U (en) * 2010-03-04 2010-11-24 极品影视设备科技(深圳)有限公司 Cabinet projection screen with function for automatic lifting cover
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108682193A (en) * 2018-05-09 2018-10-19 德州职业技术学院(德州市技师学院) A kind of computer-assisted instruction device
CN109036206A (en) * 2018-08-17 2018-12-18 广西紫极科技有限公司 A kind of computer networking technology exploitation displaying device
CN108835876A (en) * 2018-09-03 2018-11-20 温州大学 A kind of intelligent tutoring dais
CN111098621A (en) * 2019-03-28 2020-05-05 莱芜职业技术学院 Tourism management teaching auxiliary system based on chinese language teaching
CN110173613A (en) * 2019-06-05 2019-08-27 厦门翟湾电脑有限公司 A kind of concealed installation equipment of optical projection system
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CN110310527A (en) * 2019-06-20 2019-10-08 启东威艾信息技术有限公司 A kind of intelligent instructional device

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