CN106409126B - Multimedia teaching facility - Google Patents
Multimedia teaching facility Download PDFInfo
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- CN106409126B CN106409126B CN201611093300.4A CN201611093300A CN106409126B CN 106409126 B CN106409126 B CN 106409126B CN 201611093300 A CN201611093300 A CN 201611093300A CN 106409126 B CN106409126 B CN 106409126B
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- Prior art keywords
- projector
- map
- layer
- multimedia teaching
- column
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- 238000003475 lamination Methods 0.000 claims abstract description 4
- 230000003750 conditioning effect Effects 0.000 claims description 34
- 238000004804 winding Methods 0.000 claims description 20
- 239000011159 matrix material Substances 0.000 claims description 15
- 210000000078 claw Anatomy 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 239000000741 silica gel Substances 0.000 claims description 7
- 229910002027 silica gel Inorganic materials 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- 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
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/06—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes for surveying; for geography, e.g. relief models
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- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Projection Apparatus (AREA)
Abstract
The present invention relates to a kind of multimedia teaching facilities.The multimedia teaching facility includes display board, projector and support frame, the display board includes framework and the map plate body being set in the framework, the map plate body includes basal layer and the map layer that is set on basal layer, the map layer is the concave-convex lamination being arranged according to various regions height above sea level, the projector is set on support frame as described above and is oppositely arranged with the display board, the projector is used for the color image to display board projection world map, and the color image of the world map matches with the map layer.The bandwagon effect of the multimedia teaching facility is preferable.
Description
Technical field
The present invention relates to a kind of multimedia teaching facilities.
Background technique
With the development of multimedia technology, teaching equipment has also obtained significant progress.For classes such as the fine arts or geography
Journey can use multimedia technology and carry out image displaying.For example, the geographical map looks in order to show various countries, can use projector
In being projected on display screen, to show the image of various countries.However, since the display screen is plane, it can not
The height above sea level for three-dimensionally showing various countries is unfavorable for promoting bandwagon effect.
Summary of the invention
Based on this, it is necessary to provide a kind of multimedia teaching facility for being conducive to promote bandwagon effect.
A kind of multimedia teaching facility, including display board, projector and support frame, the display board include framework and
The map plate body being set in the framework, the map plate body include basal layer and the map layer that is set on basal layer,
The map layer is the concave-convex lamination being arranged according to various regions height above sea level, the projector be set on support frame as described above and with institute
It states display board to be oppositely arranged, the projector is used for the color image to display board projection world map, the world
The color image of figure matches with the map layer.
In one embodiment, the framework is rectangular box.
In one embodiment, the inner peripheral of the framework is recessed with installing slot, the periphery projection of the map plate body
In the installing slot.
In one embodiment, the bottom of the installing slot is provided with adhered layer, and the periphery of the map plate body is pasted on
On the adhered layer.
In one embodiment, the adhered layer with a thickness of 1-2 millimeters.
In one embodiment, it is formed with clamping part on the side wall of the installing slot, the clamping part is arranged in describedly
On chart board body.
In one embodiment, spacial flex, the map layer exposure of the map plate body are formed on the inside of the framework
In the spacial flex.
In one embodiment, the thickness of the map layer is greater than the thickness of the basal layer.
In one embodiment, the basal layer is made of rubber.
Since the map layer can show the height above sea level of various regions, and the projector can be by the colour of world map
Image projection matches on the map layer and with the map layer, therefore the teaching equipment can three-dimensionally show various countries
Height above sea level, and by the color image of the world map to promote bandwagon effect.
Detailed description of the invention
Fig. 1 is the schematic diagram of the multimedia teaching facility of an embodiment.
Fig. 2 is the cross-sectional view of the display board of an embodiment.
Fig. 3 is the schematic diagram of the projector of an embodiment, support frame and transverse shifting component.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case where violating intension of the present invention, therefore the present invention is not limited to the specific embodiments disclosed below.
The present invention relates to a kind of multimedia teaching facilities.The multimedia teaching facility include display board, projector and
Support frame, the display board include framework and the map plate body being set in the framework, and the map plate body includes substrate
Layer and the map layer being set on basal layer.For example, the map layer is the concave-convex lamination being arranged according to various regions height above sea level,
The projector is set on support frame as described above and is oppositely arranged with the display board.For example, the projector is used for described
Display board projects the color image of world map, and the color image of the world map matches with the map layer.
Please refer to Fig. 1 and Fig. 2, a kind of multimedia teaching facility 100, including display board 10, projector 20 and support frame
30, the display board includes framework 11 and the map plate body 12 being set in the framework, and the map plate body includes substrate
Layer 121 and the map layer 123 being set on basal layer, the map layer are that the bumps being arranged according to various regions height above sea level are folded
Layer, the projector are set on support frame as described above and are oppositely arranged with the display board, and the projector is used for the exhibition
Show that the color image of plate projection world map, the color image of the world map match with the map layer.
Since the map layer can show the height above sea level of various regions, and the projector can be by the colour of world map
Image projection is on the map layer and making the color image match with the map layer, therefore the teaching equipment can
Three-dimensionally show the height above sea level of various countries, and cooperate the color image of the world map, and then bandwagon effect can be promoted.
For example, for the ease of installing the map plate body, the framework is rectangular box.The inner peripheral of the framework is recessed
Equipped with installing slot 111, the periphery of the map plate body is convexly equipped in the installing slot.The bottom of the installing slot is provided with stickup
Layer 112, the periphery of the map plate body is pasted on the adhered layer.The adhered layer with a thickness of 1-2 millimeters.The installing
Clamping part 113 is formed on the side wall of slot, the clamping part is arranged on the map plate body.It is formed on the inside of the framework
The map layer of spacial flex 114, the map plate body is exposed in the spacial flex.The thickness of the map layer is greater than described
The thickness of basal layer.The basal layer is made of rubber.It is advantageous since the inner peripheral of the framework is recessed with installing slot
It is installed in the framework in by the map plate body.
For example, the multimedia teaching facility further includes broadcaster, described to broadcast for the ease of explaining to world map
Sound device is set on the projector, and the broadcaster is for playing sound to say the world map on the display board
Solution mentions so that the multimedia teaching facility is capable of providing the experience of many levels such as sound, image, three-dimensional concave-convex sense
Rise teaching efficiency.
For example, support frame as described above includes pedestal and setting in order to enable the projector can be directed at the display board
Conditioning box on the pedestal, the pedestal include cylinder and convexedly stretch in support column on the cylinder, the tune
Section frame is set on the support column.The projector is set in the conditioning box, and multiple cards are provided on the support column
Pawl, the multiple claw card set the projector.Actuator is provided in the cylinder, the support column is connected to the drive
On moving part, it is additionally provided with guide rod on the cylinder, limiting slot is recessed in the guide rod, the support column is screw rod,
It is arranged on the screw rod and is combined with lifters, one end of the lifters is slidingly arranged in the limiting slot.It is the multiple
Claw is set in the lifters.The conditioning box is set in the lifters, and the multiple claw is contained in the tune
It saves in frame.The projector includes shell and the projection device that is set in the shell, and the side of the shell is recessed with
Guiding groove, the guiding groove include interconnected guide portion and receiving portion, and the screw rod is arranged in the receiving portion, institute
Guide rod is stated to be arranged in the guide portion.Flexible slit, the elasticity are formed between the guide portion and the receiving portion
Elastic insert is set in the two lateral walls of slit, and width is less than the diameter of the screw rod between described two elastic inserts.
The bottom surface interval pre-determined distance of the screw rod and the receiving portion.The bottom surface of the receiving portion is provided with layer of silica gel, the silica gel
Multiple thread grooves are provided on layer, the multimedia teaching facility further includes elastic lanyard, one end connection of the elasticity lanyard
In on ceiling, the other end is connected on the shell of the projector.The elasticity lanyard is connected to the projector far from institute
It states the side of guide rod and is arranged in the conditioning box, the elasticity lanyard is slideably positioned in far from one end of the projector
On ceiling, so that the elasticity lanyard is for keeping vertical.Transverse shifting component, the liter are additionally provided in the conditioning box
The sliding part that part includes matrix part and is set in described matrix portion drops, and described matrix portion is screwed together on the screw rod, described
Sliding groove is offered on matrix part, the sliding groove is strip groove, and the sliding part is slidingly arranged in described matrix portion.Institute
It states multiple claws to be set on the sliding part, the sliding part is bar shaped, and middle part is convexly equipped with disk table, the multiple clamping
It is installed in the periphery of the disk table and is arranged on the shell of the projector.The glide direction of the sliding part is vertically described
The length direction of screw rod, the transverse shifting component include tension rope, push against column, adjustment barrel and shake handle.The abutting
Column and the adjustment barrel are respectively arranged at the two sides of the projector, and the abutting column is slideably positioned on the conditioning box and neighbour
The nearly screw rod setting, the adjustment barrel are rotatably arranged on the conditioning box, and in the projector far from the spiral shell
The side of bar, the end for pushing against column are pushed against on the projector.It is offered on the shell of the projector and pushes against hole, institute
State and push against hole and opened up adjacent to the guiding groove, the bottom for pushing against hole is convexly equipped with abutting salient point, the abuttings column be it is cylindric,
Its end offers location hole, and the abutting column is inserted into the abutting hole, and the abutting salient point pushed against in hole is caught in described
In the location hole for pushing against column, the both ends of the tension rope are separately connected the peripheral wall of the adjustment barrel and the shell of the projector,
Winding bar is provided in the adjustment barrel, the winding bar includes cross bar and the linkage section for being set to the cross bar both ends, institute
It states two linkage sections to be fixed in the adjustment barrel, the end of the tension rope is fixed on the cross bar.The tension rope packet
Two linkage sections for including stretch section and being connected to the stretch section both ends, described two linkage sections are connected to the projection
On the shell of instrument and the adjustment barrel.It further include pullling item on the transverse shifting component, one end winding for pullling item
In the adjustment barrel, the other end is fixed on the abutting column.Through hole is offered on the shell of the projector, it is described to pass through
Perforation is connected to the abutting hole, and the item of pullling is arranged in the through hole and is fixed on the end for pushing against column.
Locating slot is offered on the conditioning box, the bottom of the locating slot offers pivot slot, and the pivot slot diameter is less than described
The diameter of locating slot, the adjustment barrel include an ontology and the pivot rods for convexedly stretching in the cylinder body bottom portion, the winding bar
It is set on the side wall of the cylinder ontology.The cylinder ontology is convexly equipped in the outside of the conditioning box, and the pivot rods are rotationally set
It is placed in the pivot slot.The outboard peripheries of the cylinder ontology offer multiple winding grooves, and the multiple winding groove is around described
The outboard peripheries of cylinder ontology open up.The outer diameter of the cylinder ontology is less than the internal diameter of the locating slot, and the locating slot can accommodate
The cylinder ontology and the tension rope being wound on the cylinder ontology pull item and the winding bar.The bottom of the locating slot
Face is provided with multiple positioning protrusion, and the multiple positioning protrusion is around the end face periphery setting for pivoting slot.The cylinder ontology
End face offer multiple positioning grooves, the multiple positioning groove is arranged around the periphery of the pivot rods.The conditioning box
On be also provided with slit, the slit is connected to the locating slot.The tension rope and the item of pullling of the neighbouring adjustment barrel are worn
In the slit, driver slot is offered in the cylinder ontology, and multiple driving protrusions are provided on the peripheral wall of the driver slot,
Multiple driving grooves are provided in the shake handle, the driving protrusion is caught in the multiple driving groove, the shake
Handle is removably inserted into the adjustment barrel.The shake handle includes interconnecting piece and is connected to the interconnecting piece both ends
Driving portion and grip part, the driving portion is vertical with the interconnecting piece with the grip part, and the driving portion is held with described
It is parallel to hold portion, the multiple driving groove is opened on the driving portion.The length of the interconnecting piece is greater than the grip part
Length, the transverse shifting component further include resetting rope, and described one end for resetting rope connects on the shell of the projector, another
End is connected on the guide rod, and the reset rope is elastic drag rope.The pulling force for resetting rope is less than the drawing of the tension rope
Power.The transverse shifting component further includes pressure spring, and the both ends of the pressure spring are connected to the pivot rods and the projector
Shell on.Be also provided with accepting hole on the conditioning box, the accepting hole cross connection in the pivot slot, the pressure spring
One end is arranged in the accepting hole and is held on the pivot rods in the pivot slot.The pivot rods are cylindrical rod body,
One end of the pressure spring is formed with arc supporting surface, and the arc supporting surface cooperation is held on the pivot rods.
For example, in order to which the specific structure of support frame as described above and the transverse shifting component is described in further detail and beneficial to effect
Fruit, also referring to Fig. 3, support frame as described above includes pedestal and the conditioning box being set on the pedestal 31, the pedestal packet
It includes cylinder and convexedly stretches in the support column 32 on the cylinder, the conditioning box is set on the support column.The throwing
Shadow instrument is set in the conditioning box, for example, being provided with multiple cards on the support column for the ease of installing the projector
Pawl, the multiple claw card set the projector.For example, for the ease of adjusting the high and low position of the projector, the cylinder
It is provided with actuator in vivo, the support column is connected on the actuator, and the actuator is for driving the support column to revolve
Turn.It is additionally provided with guide rod 33 on the cylinder, limiting slot is recessed in the guide rod, the support column is screw rod, institute
It states to be arranged on screw rod and is combined with lifters 34, one end of the lifters is slidingly arranged in the limiting slot.When the drive
When moving part rotates, the lifters are only capable of the relatively described screw rod lifting under the limitation of the limiting slot, and the multiple claw is set
It is placed in the lifters.The conditioning box is set in the lifters, and the multiple claw is contained in the conditioning box.
Therefore, when needing to adjust the height of the projector, the screw rod rotation is driven to may make institute merely with the actuator
State conditioning box lifting.
For example, for the ease of convenient for consolidating the projector, the projector includes shell 21 and is set to the shell
Projection device 22 in body, the side of the shell are recessed with guiding groove, the guiding groove include interconnected guide portion with
And receiving portion, the screw rod are arranged in the receiving portion, the guide rod is arranged in the guide portion.The guide portion with
Flexible slit is formed between the receiving portion, and elastic insert is set in the two lateral walls of the elasticity slit, it is described two
Width is less than the diameter of the screw rod between elastic insert.The bottom surface interval pre-determined distance of the screw rod and the receiving portion.
It, can be using the guide rod and the screw rod to the guidance due to offering guiding groove on the shell of the projector
Slot positioning moves up and down so that the projector edge be guided to be correctly oriented, and the side wall of the guiding groove can be to the throwing
Shadow instrument plays the role of certain fixing, prevents the projector from falling down from the side of the screw rod.For example, the spiral shell in order to prevent
Bar collides the projector, and the bottom surface of the receiving portion is provided with layer of silica gel, multiple thread grooves, institute are provided in the layer of silica gel
Layer of silica gel is stated for preventing the screw rod to the hard collision of the projector.For example, in order to further stablize the projector,
The multimedia teaching facility further includes elastic lanyard 23, and one end of the elasticity lanyard is connected on ceiling, and the other end connects
It is connected on the shell of the projector.The elasticity lanyard is connected to side of the projector far from the guide rod and wears
In the conditioning box, so as to play the role of certain hanging support to the projector, for example, the elasticity lanyard is far from institute
The one end for stating projector is slideably positioned on ceiling, so that the elasticity lanyard is for keeping vertical.
For example, in order to adjust the lateral position of the projector, even if the left and right displacement of the projector, the conditioning box
In be additionally provided with transverse shifting component 35, the lifters include matrix part 341 and the sliding that is set in described matrix portion
Portion 342, described matrix portion are screwed together on the screw rod, and sliding groove is offered in described matrix portion, and the sliding groove is strip groove,
The sliding part is slidingly arranged in described matrix portion.The multiple claw is set on the sliding part, the sliding part
For bar shaped, middle part is convexly equipped with disk table, and the multiple periphery for being installed in the disk table is simultaneously arranged in the projection
On the shell of instrument.For example, the length direction of the vertical screw rod of the glide direction of the sliding part, i.e., the sliding of the described sliding part
Direction is horizontal direction.Due to being provided with sliding part in the lifters, can be driven using the sliding of the sliding part
The projector moves left and right, and facilitates the adjustment to the projector lateral position.The transverse shifting component includes tensing
Rope 351 pushes against column 352, adjustment barrel 353 and shake handle.The abutting column and the adjustment barrel are respectively arranged at the throwing
The two sides of shadow instrument, the abutting column is slideably positioned on the conditioning box and the neighbouring screw rod is arranged, the adjustment barrel rotation
Ground is set on the conditioning box, and is in side of the projector far from the screw rod, and the end for pushing against column pushes against
In on the projector.For example, offering abutting on the shell of the projector for the ease of the abutting operation for pushing against column
Hole, the abutting hole are opened up adjacent to the guiding groove, and the bottom for pushing against hole is convexly equipped with abutting salient point, and the abutting column is circle
Column, end offer location hole, and the abutting column is inserted into the abutting hole, and the abutting salient point pushed against in hole is caught in
In the location hole for pushing against column, to realize the positioning to the shell of the projector.The both ends of the tension rope connect respectively
The peripheral wall of the adjustment barrel and the shell of the projector are connect, to pull and support the projector.The shake handle is inserted into institute
The adjustment barrel is stated in adjustment barrel and rotates, to wind the tension rope, and then the mobile projection using the adjustment barrel
Instrument realizes the movement to the projector lateral position.For example, winding bar 3531 is provided in the adjustment barrel, the winding
Bar includes cross bar and the linkage section for being set to the cross bar both ends, and described two linkage sections are fixed in the adjustment barrel, institute
The end for stating tension rope is fixed on the cross bar.When adjustment barrel rotation, the tension rope can be wound in the tune
It saves on the peripheral wall of cylinder and covers the winding bar, the winding bar can increase the length for the tension rope that the adjustment barrel is wound
Degree.
For example, in order to avoid hardness of the tension rope to the projector is pullled, the tension rope include stretch section with
And be connected to two linkage sections at the stretch section both ends, described two linkage sections be connected to the shell of the projector with
And in the adjustment barrel.By the elastic reaction of stretch section on the tension rope, the projector transverse shifting can pulled
During, the elastic reaction of the stretch section is played, the hardness of the shell to the projector is avoided to pull, to prevent institute
State the shaking of projector.For example, the abutting column can follow simultaneously in order to while the tension rope pulls the projector
The shell of the projector is pushed against, further includes pullling item 354 on the transverse shifting component, described one end for pullling item is wound in
In the adjustment barrel, the other end is fixed on the abutting column.Through hole is offered on the shell of the projector, it is described to run through
Hole is connected to the abutting hole, and the item of pullling is arranged in the through hole and is fixed on the end for pushing against column.Cause
This, when pulling the projector using the tension rope, the item of pullling can be wound in the adjustment barrel, and then be pulled
The abutting column is mobile, and the abutting column is enabled to follow and position the projector.
For example, when pull the projector in place when, in order to fix the adjustment barrel, positioning is offered on the conditioning box
Slot presses the adjustment barrel using the shake handle, and being inserted into the adjustment barrel in the locating slot can be completed to described
The fixation of adjustment barrel, to prevent adjustment barrel return under the pulling of the tension rope.For example, the bottom of the locating slot
Pivot slot, the diameter for pivoting slot diameter and being less than the locating slot are offered, the adjustment barrel includes cylinder ontology and protrudes out
In the pivot rods of the cylinder body bottom portion, the winding bar is set on the side wall of the cylinder ontology.It is described in winding process
Cylinder ontology is convexly equipped in the outside of the conditioning box, and the pivot rods are rotatably arranged in the pivot slot.The cylinder ontology
Outboard peripheries offer multiple winding grooves, and the multiple winding groove is opened up around the outboard peripheries of the cylinder ontology.It is the multiple
Winding groove is for winding and accommodating the tension rope and described pull item.For example, the outer diameter of the cylinder ontology is less than the positioning
The internal diameter of slot, the locating slot can accommodate the cylinder ontology and the tension rope being wound on the cylinder ontology, pull item with
And the winding bar.The bottom surface of the locating slot is provided with multiple positioning protrusion, and the multiple positioning protrusion surrounds the pivot
The end face periphery of slot is arranged.The end face of the cylinder ontology offers multiple positioning grooves, and the multiple positioning groove is around described
The periphery of pivot rods is arranged.When needing to wind the tension rope using the adjustment barrel, it is described fixed that the cylinder ontology is extracted
Position slot, only make it is described be rotatably arranged in the pivot slot, i.e., using the shake handle drive cylinder sheet
Body rotation, to wind the tension rope and described pull item.When needing to position the adjustment barrel, by pressing the cylinder sheet
Body so that the cylinder ontology enter the locating slot in, merely in the locating slot multiple positioning protrusion and the adjustment barrel
Multiple positioning grooves cooperation, that is, may make the adjustment barrel to be positioned in the locating slot of the conditioning box, therefore make
The positioning for obtaining the adjustment barrel is more convenient.For example, positioning the tension rope for the ease of receiving pulls item, the tune with described
It is also provided with slit on section frame, the slit is connected to the locating slot.When the adjustment barrel is contained in the locating slot,
The tension rope and the item of pullling of the neighbouring adjustment barrel can be arranged in the slit, so that the conditioning box gear be avoided to set
The tension rope and described pull item.
For example, offering driver slot, the peripheral wall of the driver slot in the cylinder ontology for the ease of rotating the adjustment barrel
On be provided with multiple drivings protrusion 3533, be provided with multiple driving grooves in the shake handle, the driving protrusion is caught in institute
It states in multiple driving grooves, so that the shake handle is caught in the cylinder ontology, is conducive to the shake handle driving
The adjustment barrel.For example, the shake handle is removably inserted into the adjustment barrel.For example, for the ease of rotating the tune
Cylinder is saved, the shake handle includes interconnecting piece and the driving portion for being connected to the interconnecting piece both ends and grip part, the drive
Dynamic portion is vertical with the interconnecting piece with the grip part, and the driving portion is parallel with the grip part, and the multiple driving is recessed
Slot is opened on the driving portion.Using grip part, that is, rotatable driving portion, the adjustment barrel rotation can be driven to twine
Around the tension rope.For example, the length of the interconnecting piece is greater than the length of the grip part, so as to be made using lever principle
It is more laborsaving to obtain the shake handle.
For example, for the ease of to the mobile projector of other direction, the transverse shifting component further includes resetting rope
355, described one end for resetting rope connects on the shell of the projector, and the other end is connected on the guide rod, the reset
Rope is elastic drag rope.The pulling force for resetting rope is less than the pulling force of the tension rope.When discharging the tension rope, the reset
Rope can pull the projector to move in the opposite direction, and push the abutting column mobile.For example, being resetted for the ease of enhancing
Effect, the transverse shifting component further include pressure spring 356, and the both ends of the pressure spring are connected to the pivot rods and the throwing
On the shell of shadow instrument.For example, be also provided with accepting hole on the conditioning box, the accepting hole cross connection in the pivot slot,
One end of the pressure spring is arranged in the accepting hole and is held on the pivot rods in the pivot slot.For example, the pivot
Bar is cylindrical rod body, and one end of the pressure spring is formed with arc supporting surface, and the arc supporting surface cooperation is held in the pivot
On bull stick, so that by certain press force when the pivot rods rotate, and then promote the spin stabilization of the adjustment barrel
Degree.
Other embodiments of the invention further include that be formed by can for technical characteristic intercombination in the various embodiments described above
The technical solution of implementation.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (9)
1. a kind of multimedia teaching facility, which is characterized in that including display board, projector and support frame, the display board packet
The map plate body for including framework and being set in the framework, the map plate body include basal layer and are set on basal layer
Map layer, the map layer is the concave-convex lamination being arranged according to various regions height above sea level, and the projector is set to the support
It being oppositely arranged on frame and with the display board, the projector is used for the color image to display board projection world map,
The color image of the world map matches with the map layer；
Support frame as described above includes pedestal and the conditioning box that is set on the pedestal, and the pedestal includes cylinder and protrudes out
Support column on the cylinder, the conditioning box are set on the support column, and the projector is set to the adjusting
In frame, multiple claws are provided on the support column, the multiple claw card sets the projector, is provided in the cylinder
Actuator, the support column are connected on the actuator, and guide rod, the guide rod concave are additionally provided on the cylinder
Equipped with limiting slot, the support column is screw rod, is arranged on the screw rod and is combined with lifters, one end of the lifters is slidably
It is set in the limiting slot, the multiple claw is set in the lifters, and the conditioning box is set to the lifters
On, the multiple claw is contained in the conditioning box, and the projector includes shell and the throwing that is set in the shell
Shadow device, the side of the shell are recessed with guiding groove, and the guiding groove includes interconnected guide portion and receiving portion, institute
It states screw rod to be arranged in the receiving portion, the guide rod is arranged in the guide portion, the guide portion and the receiving portion
Between form flexible slit, elastic insert is set in the two lateral walls of the elasticity slit, described two elastic inserts
Between width be less than the screw rod diameter, the bottom surface interval pre-determined distance of the screw rod and the receiving portion, the receiving portion
Bottom surface be provided with layer of silica gel, multiple thread grooves are provided in the layer of silica gel；
The multimedia teaching facility further includes elastic lanyard, and one end of the elasticity lanyard is connected on ceiling, the other end
It is connected on the shell of the projector, the elasticity lanyard is connected to side of the projector far from the guide rod and wears
In the conditioning box, the elasticity lanyard is slideably positioned on ceiling far from one end of the projector, so that described
Elastic lanyard is additionally provided with transverse shifting component for keeping vertical in the conditioning box, the lifters include matrix part with
And it is set to the sliding part in described matrix portion, described matrix portion is screwed together on the screw rod, and cunning is offered in described matrix portion
Dynamic slot, the sliding groove are strip groove, and the sliding part is slidingly arranged in described matrix portion, and the multiple claw is set to
On the sliding part, the sliding part is bar shaped, and middle part is convexly equipped with disk table, and the multiple claw is installed in the disk table
Periphery and be arranged on the shell of the projector, the length direction of the vertical screw rod of the glide direction of the sliding part；
The transverse shifting component includes tension rope, pushes against column, adjustment barrel and shake handle, the abutting column and the adjusting
Cylinder is respectively arranged at the two sides of the projector, and the abutting column is slideably positioned on the conditioning box and the neighbouring screw rod is set
It sets, the adjustment barrel is rotatably arranged on the conditioning box, and is in side of the projector far from the screw rod, described
The end for pushing against column is pushed against on the projector, offering abutting hole on the shell of the projector, and the abutting hole is neighbouring
The guiding groove opens up, and the bottom for pushing against hole is convexly equipped with abutting salient point, the abuttings column be it is cylindric, end offers
Location hole, the abutting column are inserted into the abutting hole, and the abutting salient point pushed against in hole is caught in the positioning for pushing against column
Kong Zhong, the both ends of the tension rope are separately connected the peripheral wall of the adjustment barrel and the shell of the projector, in the adjustment barrel
It is provided with winding bar, the winding bar includes cross bar and the linkage section for being set to the cross bar both ends, described two linkage sections
Be fixed in the adjustment barrel, the end of the tension rope is fixed on the cross bar, the tension rope include stretch section and
Be connected to two linkage sections at the stretch section both ends, described two linkage sections be connected to the projector shell and
In the adjustment barrel；
It further include pullling item on the transverse shifting component, described one end for pullling item is wound in the adjustment barrel, the other end
It being fixed on the abutting column, through hole is offered on the shell of the projector, the through hole is connected to the abutting hole,
The item of pullling is arranged in the through hole and is fixed on the end for pushing against column.
2. multimedia teaching facility as described in claim 1, which is characterized in that the framework is rectangular box.
3. multimedia teaching facility as claimed in claim 2, which is characterized in that the inner peripheral of the framework is recessed with installing
Slot, the periphery of the map plate body are convexly equipped in the installing slot.
4. multimedia teaching facility as claimed in claim 3, which is characterized in that the bottom of the installing slot is provided with stickup
Layer, the periphery of the map plate body are pasted on the adhered layer.
5. multimedia teaching facility as claimed in claim 4, which is characterized in that the adhered layer with a thickness of 1-2 millimeters.
6. multimedia teaching facility as claimed in claim 5, which is characterized in that be formed with card on the side wall of the installing slot and set
Portion, the clamping part are arranged on the map plate body.
7. multimedia teaching facility as claimed in claim 6, which is characterized in that it is empty to be formed with displaying on the inside of the framework
Between, the map layer of the map plate body is exposed in the spacial flex.
8. multimedia teaching facility as claimed in claim 7, which is characterized in that the thickness of the map layer is greater than the substrate
The thickness of layer.
9. multimedia teaching facility as claimed in claim 8, which is characterized in that the basal layer is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611093300.4A CN106409126B (en) | 2016-12-01 | 2016-12-01 | Multimedia teaching facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611093300.4A CN106409126B (en) | 2016-12-01 | 2016-12-01 | Multimedia teaching facility |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106409126A CN106409126A (en) | 2017-02-15 |
| CN106409126B true CN106409126B (en) | 2019-03-01 |
Family
ID=58083513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611093300.4A Expired - Fee Related CN106409126B (en) | 2016-12-01 | 2016-12-01 | Multimedia teaching facility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106409126B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2384284Y (en) * | 1999-07-01 | 2000-06-21 | 李同 | 3-D map |
| CN2781492Y (en) * | 2005-04-27 | 2006-05-17 | 王武安 | Three dimentional map |
| CN202795790U (en) * | 2012-06-25 | 2013-03-13 | 海尔集团电器产业有限公司 | Multimedia teaching equipment |
| CN104361823A (en) * | 2014-11-26 | 2015-02-18 | 崔蕾 | Push-and-pull blackboard with digitalized terrain teaching demonstration function |
| CN104376747A (en) * | 2014-11-26 | 2015-02-25 | 崔蕾 | Blackboard with digital terrain teaching demonstration function |
-
2016
- 2016-12-01 CN CN201611093300.4A patent/CN106409126B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2384284Y (en) * | 1999-07-01 | 2000-06-21 | 李同 | 3-D map |
| CN2781492Y (en) * | 2005-04-27 | 2006-05-17 | 王武安 | Three dimentional map |
| CN202795790U (en) * | 2012-06-25 | 2013-03-13 | 海尔集团电器产业有限公司 | Multimedia teaching equipment |
| CN104361823A (en) * | 2014-11-26 | 2015-02-18 | 崔蕾 | Push-and-pull blackboard with digitalized terrain teaching demonstration function |
| CN104376747A (en) * | 2014-11-26 | 2015-02-25 | 崔蕾 | Blackboard with digital terrain teaching demonstration function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106409126A (en) | 2017-02-15 |
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