CN203966353U - A kind of teaching display device of activity - Google Patents
A kind of teaching display device of activity Download PDFInfo
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- CN203966353U CN203966353U CN201420398407.XU CN201420398407U CN203966353U CN 203966353 U CN203966353 U CN 203966353U CN 201420398407 U CN201420398407 U CN 201420398407U CN 203966353 U CN203966353 U CN 203966353U
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- blackboard
- teaching display
- dragging track
- pulley
- display board
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Abstract
The teaching display device of activity of the present utility model, comprises support, teaching display board and dragging track; Dragging track along continuous straight runs is fixedly installed on blackboard top, and parallel with blackboard panel, and dragging track is provided with the chute of upward opening along its track length direction; Support upper end is provided with the first pulley, and the first pulley is arranged in the chute of dragging track, and can roll along chute; Teaching display board is vertically fixed on support, and the display surface of teaching display board blackboard dorsad.Teaching display device is arranged on metope, takes in conveniently.Teaching display board is rack-mount, and support can slide in dragging track.While being a teacher conventional teaching, teaching display board can be slided into the position that does not take blackboard writing on the blackboard area, teaching display board does not take the area of teacher's writing on the blackboard.Simple in structure, with low cost, expansibility is good.
Description
Technical field
The utility model relates to mechanical manufacturing field, relates in particular to a kind of teaching display device of activity.
Background technology
Along with scientific and technological development, auxiliary teaching display board is widely used in classroom instruction, progressively replaces the classroom instruction form of tradition " blackboard adds chalk ".Auxiliary teaching display board comprises blank and multimedia display plate, and blank is the writing implement that similarly can repeatedly wipe with blackboard, and blank is used special white board marker to write, and wiping blank is to produce pen ash.Multimedia display plate comprises multi-media whiteboard, large-screen liquid crystal display television or touch-screen liquid crystal integral machine, have audio-visual, write, the numeral of the function such as interactive shows the general designation of class education and instruction product.Multimedia display plate is to use computerized information treatment technology, Internet technology, take sound, the optical, electrical multi-party interactive platform of building as medium.
Multimedia display plate is generally all fixedly installed in certain one end of blackboard, has occupied nearly half blackboard, and teacher's writing on the blackboard area is reduced.Take conventional teaching as main, and multimedia is that under auxiliary teaching pattern, the blackboard writing on the blackboard area that teacher can use in conventional teaching is less, uses inconvenient.And blank mostly is and blackboard teaching aid independently, there is a shelf that can slidably reciprocate on the ground, although it does not take blackboard area.But taken a part of space, classroom, taken in inconvenience.
Utility model content
For above shortcomings in prior art, the purpose of this utility model is, how to provide a kind of and takes in conveniently, during mobilizable, teacher's conventional teaching, and teaching display board does not take the movable teaching display device of blackboard writing on the blackboard area.
For solving the problems of the technologies described above, realize utility model object, the technical solution adopted in the utility model is as follows:
A teaching display device for activity, comprises support, teaching display board and dragging track; Dragging track along continuous straight runs is fixedly installed on blackboard top, and parallel with blackboard panel, and dragging track is provided with the chute of upward opening along its track length direction; Support upper end is provided with the first pulley, and the first pulley is arranged in the chute of dragging track, and can roll along chute; Teaching display board is vertically fixed on support, and the display surface of teaching display board blackboard dorsad.
As the further optimization of such scheme, blackboard one side is extended in described dragging track one end, makes teaching display board integral body can along dragging track, slide into by support the side of blackboard region.
Further optimization as such scheme, the inner bottom surface of the chute of described dragging track is along its bearing of trend positive stop strip that is provided with protruding upward, described the first pulley is circumferentially with race along its rolling side, and the first pulley can be connected on the positive stop strip of chute and be slided by its race.
As the further optimization of such scheme, described dragging track is channel-section steel, the chute by the groove of channel-section steel as dragging track; Described positive stop strip consists of an angle steel and a band steel that is fixed on along its length opening one side of angle steel, and two long limits of band steel are connected with angle steel; In the mode under angle steel opening one side direction, the bearing of trend along channel-section steel groove is arranged in the groove of channel-section steel described positive stop strip, and utilizes bolt to be fixed by the band steel of positive stop strip and the bottom surface of channel-section steel groove; The cross section of the race on described the first pulley rolling side is V-shape, and matches with the shape of the section of angle steel.
As the further optimization of such scheme, be provided with the hang rail parallel with dragging track between above described dragging track below and described blackboard, hang and on rail, be provided with several and movably link up with.
As the further optimization of such scheme, described teaching display board is multimedia display plate; The wire of multimedia display plate is suspended on hook.
Further optimization as such scheme, also comprise that several are connected to dragging track and hang the web member between rail, the upper end face that described web member comprises the fixing back side on the wall, fix with described dragging track bottom and hang the bottom surface that rail fixes with described, upper end face is connected with the back side is vertical respectively with bottom surface.
Further optimization as such scheme, described support comprises that two concurrently along the vertical steel bar arranging, described the first pulley is two, and the rotating shaft of two the first pulleys is fixedly mounted on respectively the back side of two steel bar upper ends, and the back side of described teaching display board is fixedly mounted on the front of steel bar.
Further optimization as such scheme, on the back side of described two steel bar bottoms, be also installed with respectively vertical the second pulley arranging of a rotating shaft, while making teaching display board slide into blackboard region, the second pulley support can be passed through on the plate face of blackboard in the bottom of two steel bars, and is vertical state by being fixedly mounted on two teaching display boards supports on steel bar.
Further optimization as such scheme, described dragging track extends blackboard one side, and at dragging track, extend and on the metope of blackboard one side, be positioned at the same height and position of the second pulley place along continuous straight runs and be fixedly installed strip cushion block, the thickness of strip cushion block equates with blackboard thickness, and strip cushion block is connected on the side of blackboard near the end of blackboard.
Than prior art, the utlity model has following advantage:
1, the teaching display device of activity of the present utility model is arranged on metope, takes in conveniently.Teaching display board is rack-mount, and support can slide in dragging track.While being a teacher conventional teaching, teaching display board can be slided into the position that does not take blackboard writing on the blackboard area, easy to use.
2, the teaching display device of activity of the present utility model, during not teaching of use display board, dragging track extends the place of blackboard one side for placing teaching display board.Avoided teaching display board in order not take blackboard writing on the blackboard area, to occur frequent phenomenon of sliding.
3, the teaching display device of activity of the present utility model, simple in structure, with low cost, and expansibility is good.
Accompanying drawing explanation
Fig. 1 is the structural representation in the movable teaching display device front optimized in the present embodiment.
Fig. 2 is the structural representation of the movable teaching display device side optimized in the present embodiment.
Fig. 3 is the structural representation of the dragging track optimized in the present embodiment.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Embodiment:
A teaching display device for activity, as shown in Figure 1, the structural representation of its side as shown in Figure 2, comprises support, teaching display board 4 and dragging track 2 to its positive structural representation; Dragging track 2 along continuous straight runs are fixedly installed on blackboard 1 top, and parallel with blackboard 1 plate face, and dragging track 2 is provided with the chute of upward opening along its track length direction; Support upper end is provided with the first pulley 31, the first pulleys 31 and is arranged in the chute of dragging track, and can roll along chute; Teaching display board is vertically fixed on support, and the display surface of teaching display board blackboard dorsad.The first pulley not only plays the effect of sliding in dragging track, also support has been played to supporting role.Like this, teaching display board is rack-mount, and support can slide in dragging track.While being a teacher conventional teaching, teacher uses after the blackboard of left side, teaching display board can be slided to blackboard left side and put temporarily.Teacher uses after the blackboard of right side, teaching display board can be slided to blackboard right side and put temporarily.Teaching display board does not take the area of teacher's writing on the blackboard.Teaching display device is arranged on metope, does not take space, classroom, convenient for collecting.During concrete enforcement, dragging track exceeds 20 ~ 40 centimeters of blackboard upsides.Dragging track is answered long enough, and the support that has made to install teaching display board can slide into the optional position of blackboard panel.
For fear of teaching display board while not using, support slides continually in dragging track, and blackboard one side is extended in described dragging track one end, makes teaching display board integral body can along dragging track, slide into by support the side of blackboard region.Blackboard one side can be blackboard left side or right side.The position that dragging track extends blackboard one side is teaching display board Zan Fang district, like this, when teaching display board is not used, teaching display board all can be slid into teaching display board Zan Fang district.
More stable for support is slided, the inner bottom surface of the chute of described dragging track is along its bearing of trend positive stop strip that is provided with protruding upward, and positive stop strip has played guiding function.Described the first pulley is circumferentially with race along its rolling side, and the first pulley can be connected on the positive stop strip of chute and be slided by its race.Like this, the first pulley is not easy to come off from chute.For cost-saving, the present embodiment provides a kind of dragging track structure of optimization, and as shown in Figure 3, described dragging track is channel-section steel 21, the chute by the groove of channel-section steel 21 as dragging track; Described positive stop strip consists of an angle steel 22 and a band steel 23 that is fixed on along its length opening one side of angle steel, and two long limits of band steel 23 are connected with angle steel 22; In the mode under angle steel 22 opening one side direction, the bearing of trend along channel-section steel 21 grooves is arranged in the groove of channel-section steel 21 described positive stop strip, and utilizes bolt to be fixed by the band steel 23 of positive stop strip with the bottom surface of channel-section steel 21 grooves; The cross section of the race on described the first pulley rolling side is V-shape, and matches with the shape of the section of angle steel.The angle steel of positive stop strip is to the first pulley, to play guiding to slide, and the band steel of positive stop strip, for fixing with channel-section steel, can be easily installed on channel-section steel positive stop strip.During concrete enforcement, on band steel, can be provided with threaded hole, and be fixed by screws on channel-section steel.On the first pulley, the race of V-shape can match with the outside surface of angle steel better.Channel-section steel, angle steel and band steel are all common steel, can directly buy and obtain or obtain after processing, and work flow is simple, and installation process is simple, and expansibility is good, and whole dragging track is simple in structure.During concrete enforcement, dragging track can consist of channel-section steel or above-mentioned positive stop strip separately.
As the teaching display device of optimizing, teaching display board comprises blank and multimedia display plate, when teaching display board is multimedia display plate, power lead 41 for convenient for collecting multimedia display plate, between described dragging track 2 belows and described blackboard 1 top, be provided with parallel with the dragging track rail 6 that hangs, hang and on rail 6, be provided with several and movably link up with 7.The wire 41 of multimedia display plate hangs and is connected on hook 7.Like this, the wire of multimedia display plate is arranged between dragging track and described blackboard, is not easy to block blackboard.When multimedia display plate slides, its power lead is being followed multimedia display plate and is being moved to relevant position, and not only convenient for collecting power lead, and its power lead also can not take the writing on the blackboard area of blackboard.
The present embodiment also provides a kind of web member simple in structure 5 for fixing dragging track 2 and hangs rail 6, the upper end face that described web member 5 comprises the fixing back side on the wall, fix with the outer bottom of described dragging track 2 and hang the bottom surface that rail 6 fixes with described, upper end face is connected with the back side is vertical respectively with bottom surface.Like this, can first dragging track 2 and the upper end face of web member be fixed, hang rail 6 and fix with the bottom surface of web member, then, the back side of web member is fixing on the wall.Wherein, can use the mode of screw to fix.Thereby realize dragging track and hang the fixing function on the wall of rail.In order to install firmly, can be provided with a plurality of web members, a plurality of web members can equidistantly be arranged side by side.
In order to make whole teaching display device structure simpler, described support comprises that two concurrently along the vertical steel bar 3 arranging, described the first pulley is two, and the rotating shaft of two the first pulleys is fixedly mounted on respectively the back side of two steel bar upper ends, the back side of described teaching display board is fixedly mounted on the front of steel bar 3.The back side of steel bar refers to that steel bar is towards the one side of blackboard, and the back side of teaching display board refers to the teaching display board one side of display surface dorsad.Two steel bars 3 are separately positioned on the left and right sides of teaching display board, and equate apart from the side distance of teaching display board, have guaranteed like this to install the situation that support after teaching display board is not easy to occur deflection.If teaching display board is multimedia display plate, because the back side of general multimedia display plate is all provided with several mounting holes, so can the mounting hole of steel bar and multimedia display plate be fixed with screw.If teaching display board is blank, can be provided with clip in the lower end of steel bar, the upper end of blank is fixedly clamped.
Supporting structure based on above-mentioned, steel bar only has upper end to be connected in dragging track to slide, and steel bar only has a strong point.If multimedia display plate is arranged on steel bar, whole steel bar can because multimedia display plate self with weight can not keep vertical state, there is heeling condition, so long-time use, support easily comes off from dragging track.Therefore, can on steel bar, be provided with in addition a fulcrum, make whole steel bar guarantee all the time vertical state, on the back side of described two steel bar bottoms, be also installed with respectively vertical the second pulley 32 arranging of a rotating shaft, while making teaching display board slide into blackboard region, the bottom of two steel bars can be supported on the plate face of blackboard by the second pulley 32, and is vertical state by being fixedly mounted on two teaching display boards supports on steel bar.The second pulley not only plays the effect of fulcrum, and it also needs to follow support and rolls in the horizontal direction, and therefore, the rotating shaft of the second pulley vertically arranges, and such the second pulley just can roll by along continuous straight runs.In order to guarantee that whole steel bar is always vertical direction, the position that requires to arrange on steel bar the first pulley equates with the distance of the position that the second pulley is set on steel bar to metope to the distance of metope.During concrete enforcement, in the time of can first recording steel bar maintenance vertical direction, the position of the second pulley is set to the distance of metope on steel bar, then, its distance is deducted to the thickness of blackboard, according to this result, the setting height(from bottom) of the second pulley is arranged.The second pulley is preferably arranged on the lower end of steel bar.If dragging track extends blackboard one side, on dragging track extends the metope of blackboard one side, be positioned at the same height and position of the second pulley place along continuous straight runs and be fixedly installed strip cushion block, the thickness of strip cushion block equates with blackboard thickness, and strip cushion block is connected on the side of blackboard near the end of blackboard.Like this, when support skids off after blackboard, the second pulley of support slides on strip cushion block, makes support remain in the vertical direction.
In sum, the teaching display device of activity of the present utility model is arranged on metope, takes in conveniently.Teaching display board is rack-mount, and support can slide in dragging track.While being a teacher conventional teaching, teaching display board can be slided into the position that does not take blackboard writing on the blackboard area, teaching display board does not take the area of teacher's writing on the blackboard.Simple in structure, with low cost, expansibility is good.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (10)
1. a movable teaching display device, is characterized in that, comprises support, teaching display board and dragging track; Dragging track along continuous straight runs is fixedly installed on blackboard top, and parallel with blackboard panel, and dragging track is provided with the chute of upward opening along its track length direction; Support upper end is provided with the first pulley, and the first pulley is arranged in the chute of dragging track, and can roll along chute; Teaching display board is vertically fixed on support, and the display surface of teaching display board blackboard dorsad.
2. the teaching display device of activity as claimed in claim 1, is characterized in that, blackboard one side is extended in described dragging track one end, makes teaching display board integral body can along dragging track, slide into by support the side of blackboard region.
3. the teaching display device of activity as claimed in claim 1, it is characterized in that, the inner bottom surface of the chute of described dragging track is along its bearing of trend positive stop strip that is provided with protruding upward, described the first pulley is circumferentially with race along its rolling side, and the first pulley can be connected on the positive stop strip of chute and be slided by its race.
4. the teaching display device of activity as claimed in claim 3, is characterized in that, described dragging track is channel-section steel, the chute by the groove of channel-section steel as dragging track; Described positive stop strip consists of an angle steel and a band steel that is fixed on along its length opening one side of angle steel, and two long limits of band steel are connected with angle steel; In the mode under angle steel opening one side direction, the bearing of trend along channel-section steel groove is arranged in the groove of channel-section steel described positive stop strip, and utilizes bolt to be fixed by the band steel of positive stop strip and the bottom surface of channel-section steel groove; The cross section of the race on described the first pulley rolling side is V-shape, and matches with the shape of the section of angle steel.
5. the teaching display device of activity as claimed in claim 1, is characterized in that, is provided with the hang rail parallel with dragging track between above described dragging track below and described blackboard, hangs on rail, to be provided with several and movably to link up with.
6. the teaching display device of activity as claimed in claim 5, is characterized in that, described teaching display board is multimedia display plate; The wire of multimedia display plate is suspended on hook.
7. the teaching display device of activity as claimed in claim 5, it is characterized in that, also comprise that several are connected to dragging track and hang the web member between rail, the upper end face that described web member comprises the fixing back side on the wall, fix with described dragging track bottom and hang the bottom surface that rail fixes with described, upper end face is connected with the back side is vertical respectively with bottom surface.
8. the teaching display device of activity as claimed in claim 1, it is characterized in that, described support comprises that two concurrently along the vertical steel bar arranging, described the first pulley is two, and the rotating shaft of two the first pulleys is fixedly mounted on respectively the back side of two steel bar upper ends, the back side of described teaching display board is fixedly mounted on the front of steel bar.
9. the teaching display device of activity as claimed in claim 8, it is characterized in that, on the back side of described two steel bar bottoms, be also installed with respectively vertical the second pulley arranging of a rotating shaft, while making teaching display board slide into blackboard region, the second pulley support can be passed through on the plate face of blackboard in the bottom of two steel bars, and is vertical state by being fixedly mounted on two teaching display boards supports on steel bar.
10. the teaching display device of activity as claimed in claim 9, it is characterized in that, described dragging track extends blackboard one side, and at dragging track, extend and on the metope of blackboard one side, be positioned at the same height and position of the second pulley place along continuous straight runs and be fixedly installed strip cushion block, the thickness of strip cushion block equates with blackboard thickness, and strip cushion block is connected on the side of blackboard near the end of blackboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420398407.XU CN203966353U (en) | 2014-07-18 | 2014-07-18 | A kind of teaching display device of activity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420398407.XU CN203966353U (en) | 2014-07-18 | 2014-07-18 | A kind of teaching display device of activity |
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| CN203966353U true CN203966353U (en) | 2014-11-26 |
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| CN201420398407.XU Active CN203966353U (en) | 2014-07-18 | 2014-07-18 | A kind of teaching display device of activity |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108806393A (en) * | 2018-06-29 | 2018-11-13 | 泰山医学院 | A kind of Music education music score writing demonstration device |
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2014
- 2014-07-18 CN CN201420398407.XU patent/CN203966353U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108806393A (en) * | 2018-06-29 | 2018-11-13 | 泰山医学院 | A kind of Music education music score writing demonstration device |
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