CN205285519U - Intelligent digital podium - Google Patents
Intelligent digital podium Download PDFInfo
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- CN205285519U CN205285519U CN201521086003.8U CN201521086003U CN205285519U CN 205285519 U CN205285519 U CN 205285519U CN 201521086003 U CN201521086003 U CN 201521086003U CN 205285519 U CN205285519 U CN 205285519U
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Abstract
The utility model discloses an intelligent digital podium, base, the mesa of setting on the base of accuse case in the side is equipped with, the mesa includes a master face and covers two concatenation mesas of the left and right sides of master face, the upper surface of master face is equipped with LCD and control panel, and LCD passes through tilting mechanism and is connected with the rotation of master face to make LCD have the operating condition that state and upwards upset slope were accomodate to a horizontally, the concatenation mesa passes through closing mechanism and becomes sliding connection with the master shape of face to make two splicing station masks have a concatenation together and the closure state and one that cover the master face respectively to the left and right sides the open state of back overlap joint in the master face left and right sides that slide. The utility model discloses safe convenient, the warehousing and transportation of being convenient for of compact structure, operation, has sufficient space in order to place other supplementary teaching equipment simultaneously.
Description
Technical field
The utility model relates to a kind of education, teaching equipment, especially relates to a kind of intelligentized numeral dais.
Background technology
Along with the fast development of digital technology, traditional dais is substituted by the digital dais of various novelty. Existing numeral dais has main computer, center-control unit, indicating meter, direct supply and keyboard with key supporting etc. usually, by the connection with projector etc., can conveniently manipulate projector to play the contents of courses such as ppt courseware, thus realize multimedia teaching. But there are the following problems at existing digital dais: on the one hand, the table top at dais is shown device, keyboard, control panel etc. and occupies, and therefore, vacant table top is few, cannot place the objects such as notebook computer; On the other hand, if expanding the table top at dais, then take space big, thus difficulty when causing storage, transport.
Disclosed one " Intelligent platform " in Chinese patent literature, its notification number is CN203913900U, comprises the dais main body with dais table top, dais table top has an opening, extends an accommodating space along opening to direction, ground; The power supply device that Intelligent platform comprises the intelligent tutoring device being placed in accommodating space and powers to intelligent tutoring device; Wherein, intelligent tutoring device comprises frame panel, Intelligent touch operating mechanism, display screen, data interaction interface, circuit card and rear cover plate, frame panel and rear cover plate cooperatively interact and form a shell, Intelligent touch operating mechanism, display screen and circuit card are fixed between frame panel and rear cover plate successively, and Intelligent touch operating mechanism and display screen are electrically connected with circuit card respectively, data interaction interface is arranged on rear cover plate and is electrically connected with circuit card. This Intelligent platform can realize the Intelligent control in multimedia teaching. But it is little that such scheme still exists table top, it is difficult to place other utility appliance, the table tops such as notebook computer and greatly then causes the problem storing transport difficult.
Practical novel content
The purpose of this utility model is little in order to solve the table top existing for existing numeral dais, is difficult to place other utility appliance, the table top such as notebook computer and greatly then causes the problem storing transport difficult, it is provided that a kind of compact construction, operational safety be convenient, be convenient to accumulating, have sufficient space to place the intelligent digital dais of other utility appliance simultaneously.
In order to realize above-mentioned purpose, the utility model by the following technical solutions:
A kind of intelligent digital dais, comprise the base that side is provided with middle control case, the table top being arranged on base, described table top comprises the main table top of a rectangle and covers the splicing table top of two rectangles in left and right of main table top, the upper surface of described main table top is provided with liquid-crystal display and control panel, liquid-crystal display is rotationally connected by switching mechanism and main table top, thus make liquid-crystal display have the receiving state of a level and the working order of upwards tip tilt, described splicing table top is formed by closing mechanism and main table top and is slidably connected, thus make two splicing table tops have one and be stitched together and cover the closed state of main table top and one respectively to the opened condition being overlapped on main table-board to right or left both sides after the slippage of the left and right sides.
Table top of the present utility model adopts splicing construction; when splicing table top and be in closed state; two, left and right splicing table top is spliced to form a complete table top; it can use as general dais; and make the equipment such as the liquid-crystal display on main table top obtain good protection; the physical dimension of table top can be reduced simultaneously to greatest extent, be conducive to the accumulating at numeral dais. When making two splicing table tops remove respectively to the left and right sides by the control closing mechanism action of middle control case, splicing table top enters opened condition, now whole table top is spliced by the splicing table top of the main table top of centre and the left and right sides, making the devices such as the liquid-crystal display on main table top and control panel be in the state of exposing so that manipulation and use, the area that the splicing table top of both sides then substantially increases table top is convenient to place teaching aid equipment and the devices such as notebook computer simultaneously. In addition, liquid-crystal display upwards overturns by switching mechanism, thus makes teaching people have a good visual angle.
As preferably, described closing mechanism comprises the rectangle framework being arranged on the downside of main table top, the outside being separated from each other on two splicing table top downsides is installed with horizontal sliding bar and motor fixed rack respectively, the sliding bar of two splicing table tops extends to the inside and the left and right sides with rectangle framework is slidably connected respectively, described motor fixed rack side is provided with the screw mandrel sleeve pipe laterally extended to the inside, coaxial opening and closing screw mandrel and the opening and closing spiral shell cover being threaded on opening and closing screw mandrel it is provided with in screw mandrel sleeve pipe, the sidewall of screw mandrel sleeve pipe is provided with the chute extended vertically, the outside of opening and closing spiral shell cover is provided with the spacing preiection radially stretching out chute, spacing preiection stretches out in the pilot hole of chute part screens on rectangle framework, another side of motor fixed rack is provided with opening and closing motor, the motor shaft of described opening and closing motor is coaxially connected with opening and closing screw mandrel, the loop of opening and closing motor is provided with overcurrent protection device.
Opening and closing spiral shell owing to connecting with opening and closing wire rod thread puts the spacing preiection being provided with screens in chute, therefore the rotation that opening and closing spiral shell overlaps can be stoped, simultaneously spacing preiection screens is in the pilot hole of rectangle framework, and what therefore can stop that opening and closing spiral shell overlap moves axially, thus opening and closing spiral shell cover is reliably located. When we need outwards to move splicing table top, make opening and closing driven by motor opening and closing screw mandrel just to rotation by the manipulation of control panel, now opening and closing screw mandrel axially can move laterally under the effect of opening and closing spiral shell cover, thus drive splicing table top to move laterally by opening and closing motor, motor fixed rack, now splice the sliding bar on the downside of table top and play the support guide effect to splicing table top, it is ensured that splicing table top steadily moves smoothly. Meanwhile, screw mandrel sleeve pipe is then moved together with opening and closing motor laterally by motor fixed rack, correspondingly, and spacing preiection then relative movement in the chute of screw mandrel sleeve pipe. Particularly, opening and closing screw mandrel can be played a good protection by screw mandrel sleeve pipe, avoids entering of foreign material to make opening and closing screw mandrel stuck phenomenon occur, avoids Internal cable etc. to be wrapped on opening and closing screw mandrel simultaneously. And
As preferably, described splicing table top comprise table top main body that the upper surface with main table top fits and by the front side edge of table top main body, back side edge, outer side edges edge vertically bending downwards extend to form enclose limit, the front and back sides laminating enclosing limit and main table top of side before and after table top main body, described in enclose the flange that the lower edge on limit bends inwards with being also provided with level. When splicing table top and be closed, if being subject to the obstruction of foreign matter, the electric current of opening and closing motor can rise rapidly, now overcurrent protection device action breaking circuits, thus can effectively avoid closing mechanism impaired, human body is played protective effect simultaneously.
Before and after table top main body, both sides encloses limit and encloses the flange that limit lower edge bends inwards and make splicing table top reliably coated main table top, thus both be conducive to splicing supporting and location when moving playing surface, be conducive to again improving aesthetics, and the limit of enclosing enclosing limit and side, front and back outside table top main body links into an integrated entity, rigidity and the intensity of splicing table top can be improved significantly, avoid it to be out of shape.
As preferably, described motor fixed rack is by being fitted in the splicing web plate of table top downside and the mounting plate that is integrally connected on web plate vertically downward is formed, thus make motor fixed rack L-shaped, described screw mandrel sleeve pipe is fixedly connected on the side of mounting plate, mounting plate is provided with at corresponding screw mandrel sleeve pipe place and connected hole, opening and closing motor is fixedly connected on another side of mounting plate, the motor shaft of opening and closing motor through connecting hole after be connected with opening and closing screw mandrel, the through mounting plate of described chute.
The motor fixed rack structure simple strength height of L-shaped. Particularly, the through mounting plate of chute on screw mandrel sleeve pipe, like this, can first opening and closing spiral shell cover be threaded on opening and closing screw mandrel during assembling, and then by the opening and closing screw mandrel connected with the motor shaft of opening and closing motor together with opening and closing spiral shell cover loading in screw mandrel sleeve pipe in hole by connecting away from screw mandrel sleeve pipe side from mounting plate, the spacing preiection that now opening and closing spiral shell puts then can conveniently enter from through to the chute of mounting plate. When opening and closing screw mandrel is in place, opening and closing motor can be fixed on the mounting plate of motor fixed rack. Then the spacing preiection stretching out chute can be loaded in the pilot hole of rectangle framework by we, and is fixedly attached to by the web plate of motor fixed rack on the downside of splicing table top, thus conveniently completes assembling.
As preferably, described main table top upper surface is provided with indicating meter open holes, described switching mechanism comprises the base plate being arranged on bottom indicating meter open holes, the indicating meter being positioned at indicating meter open holes installs framework, indicating meter is installed framework and is comprised the dividing plate of rectangle and be arranged on separator edge and the frame crossing with divider upright, thus install in framework at indicating meter and form upper and lower two cavitys, described liquid-crystal display is positioned at the cavity of indicating meter installation framework upper and is fixedly connected with dividing plate, the rear portion of the base plate left and right sides is respectively equipped with supporting base, the rear side that indicating meter installs framework left and right sides frame is rotationally connected by the supporting base of the first rotating shaft and the base plate left and right sides respectively, middle part on the downside of dividing plate is provided with to be arranged and rotating upset screw mandrel along the longitudinal direction, one motor shaft being fixedly installed on the upset motor on the downside of dividing plate is connected with upset screw mandrel, also laterally being provided with on the downside of dividing plate can the cross bar of slide anteroposterior, described upset screw mandrel is formed with the middle part of cross bar and is threaded, the middle part of the base plate left and right sides is respectively equipped with strut seat, the two ends, left and right of cross bar are hinged with strut respectively, the other end of two struts is hinged with the strut seat of corresponding side by the 2nd rotating shaft respectively, the downside that described indicating meter installs framework is provided with the indicating meter rolling-proof device that can control to overturn motor.
Switching mechanism is convenient to the adjustment of the viewing angle of liquid-crystal display, when overturning driven by motor upset screw mandrel just to rotation, thus drive the cross bar being threaded on upset screw mandrel to move backward, and then drive strut upwards to rotate, make indicating meter that framework be installed and upwards overturn. Owing to cross bar is threaded on upset screw mandrel, therefore can realize the self-locking of cross bar, make the liquid-crystal display upwards reversed reliably can upwards overturn and locate; In addition, owing to upset screw mandrel has a bigger reduction ratio when driving strut upwards to rotate, therefore, both the steady upset of liquid-crystal display had been conducive to, the power of upset motor can be reduced again, and then be conducive to reducing the volume of upset motor, be convenient to its installation in main table top. Particularly, when indicating meter overturns reset downwards, if being subject to the obstruction of foreign matter, indicating meter rolling-proof device makes upset motor shut down rapidly, thus avoids switching mechanism impaired, human body is played protective effect simultaneously.
As preferably, the end face of described strut near the 2nd rotating shaft one end is half cylindrical surface coaxial with the 2nd rotating shaft, described first rotating shaft is arranged near rims upside edge place, described dividing plate downside is respectively equipped with the guide rail parallel with overturning screw mandrel in the left and right sides, the two ends, left and right of described cross bar are respectively equipped with slide block, and slide block is being provided with, near dividing plate side, the U shape chute being slidably connected with guide rail.
Owing to the first rotating shaft is arranged near rims upside edge place, therefore, when indicating meter installation framework drives liquid-crystal display upwards to overturn, indicating meter is installed framework and can not be produced to interfere with base plate. And the end face of strut near the 2nd rotating shaft one end is half cylindrical surface coaxial with the 2nd rotating shaft, therefore, we can by the 2nd rotating shaft as far as possible near base plate, and strut can not produce to interfere with base plate when rotating, thus be conducive to increasing the distance overturn between screw mandrel and the 2nd rotating shaft, the moment of torsion produced when upset screw mandrel is worked increases, and then is conducive to reducing power and the physical dimension of upset motor. Particularly, slide block is slidably connected by U shape chute and guide rail, therefore just with its assembling.
As preferably, described indicating meter rolling-proof device comprises the installation bar being arranged on indicating meter installation framework lower left side, lower right side and front downside, being provided with some first vernier switches on described installation bar equally spacedly, described first vernier switch is connected in parallel in the pilot circuit of described upset motor.
When liquid-crystal display overturns reset downwards, if running into the foreign matter below it, foreign matter touches the first vernier switch, and now namely the first vernier switch sends triggering signal to pilot circuit, though pilot circuit upset motor breaking and stopping action.
As preferably, described base is connected with table top by lifting device, the retaining plate that described lifting device is arranged in base with comprising level, it is arranged on the portable plate above retaining plate and it is spaced apart and arranged in above portable plate the top board for loading floor, retaining plate is provided with vertical tail rod and elevating screw, portable plate is slidably connected on the guide bar, portable plate is provided with lifting spiral shell cover rotationally that be threaded with elevating screw, portable plate is also installed with lifting motor, lifting motor drives lifting spiral shell cover to rotate by transmission rig, it is connected by vertical support bar between top board with portable plate, the desktop decline rolling-proof device of lifting controllable motor it is provided with in the downside of main table top.
When lifting motor drives lifting spiral shell cover just to rotation by transmission rig, lifting spiral shell cover can rise along elevating screw, thus drives top board to rise by portable plate, and then makes table top automatically increase, to realize the automatic lifting of table top, it is applicable to the user of different height. Particularly, when table top moves down reset, if table top is subject to the obstruction of downside foreign matter, desktop decline rolling-proof device makes lifting motor shut down rapidly, thus avoids lifting device impaired, human body is played protective effect simultaneously.
As preferably, described desktop decline rolling-proof device comprises the portable plate below retaining plate and retaining plate, retaining plate is fixedly connected on the lower section of main table top by connecting post, the edge of described portable plate bends inwards after vertically upwards bending again, thus retaining plate is enclosed in portable plate actively, lower surface at retaining plate is provided with some 2nd vernier switches, and described 2nd vernier switch is connected in parallel in the pilot circuit of described lifting motor.
When moving under table top, if running into the obstruction of foreign matter below it, foreign matter can promote and move on portable plate and touch the 2nd vernier switch, and now namely the 2nd vernier switch sends triggering signal to pilot circuit, though pilot circuit lifting motor open circuit and stopping action.
As preferably, thus can effectively avoid the random operation of unrelated person.
As preferably, described middle control case is provided with the fingerprint control master switch that can control opening and closing motor, the bottom surface of described base is respectively equipped with locking universal take turns at four corners place, at least one locking universal mounting plate taking turns top is provided with coupling shaft straight up, base is provided with hatch straight up in corresponding coupling shaft position, coupling shaft is axially connected in hatch slidably, it is provided with stage clip between the upper end and the bottom surface of hatch of coupling shaft, chassis outer side is provided with the lock only screw of through hatch in corresponding hatch position level, lock stops the lock only screw being provided with the coupling shaft compressing in hatch in screw, the lock rear end that only screw exposes to lock only screw is provided with rotation disk, the edge rotating disk is provided with some at the equally distributed semicircle breach of circumferential direction.
Fingerprint control master switch can avoid the random operation of unrelated person effectively, locking universal take turns the movement and location of being convenient to dais, when we stop screw by rotating the loosening lock of disk, can be stretched out downwards in hatch under the effect of stage clip by the lock coupling shaft that only screw lock stops, thus whole locking universal wheels is all reliably contacted with ground, now locking lock stops screw again, can guarantee the steady secure support at dais, avoids the impact because dais is caused by ground injustice.
Therefore, the utility model has following useful effect: compact construction, be convenient to accumulating, operational safety is convenient, have sufficient space to place other teaching aid equipment simultaneously.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is the structural representation that splicing table top is in opened condition.
Fig. 3 is the part sectioned view of table top.
Fig. 4 is a kind of structural representation of closing mechanism.
Fig. 5 is the connection structural representation of opening and closing motor and opening and closing screw mandrel.
Fig. 6 is a kind of structural representation of switching mechanism.
Fig. 7 is the sectional view of switching mechanism.
Fig. 8 is slide block and the structural representation sliding bar junction in switching mechanism.
Fig. 9 is a kind of structural representation of lifting device.
Figure 10 is the structural representation of desktop decline rolling-proof device.
Figure 11 locking universal takes turns the connection structural representation with base.
Figure 12 is the structural representation rotating disk.
In figure: 1, base 11, middle control case 12, hatch 13, lock is screw 2 only, table top 21, main table top 211, indicating meter open holes 22, splicing table top 221, table top main body 222, enclose limit 223, flange 23, rectangle framework 24, sliding bar 25, motor fixed rack 251, web plate 252, mounting plate 253, connected hole 26, screw mandrel sleeve pipe 27, opening and closing motor 28, opening and closing screw mandrel 281, supporting annulus 29, opening and closing spiral shell cover 291, spacing preiection 3, liquid-crystal display 4, control panel 50, base plate 51, indicating meter installs framework 511, dividing plate 512, frame 52, supporting base 521, first rotating shaft 53, strut 54, upset screw mandrel 55, upset motor 56, cross bar 561, slide block 562, U shape chute 57, guide rail 58, strut seat 581, 2nd rotating shaft 60, retaining plate 61, portable plate 62, top board 63, support bar 64, tail rod 65, elevating screw 66, lifting spiral shell cover 67, lifting motor 68, drive sprocket 69, driven sprocket wheel 691, chain drive-belt 7, fingerprint control master switch 8, locking universal take turns 81, mounting plate 82, coupling shaft 83, stage clip 84, lock is screw 85 only, rotate disk 851, semicircle breach 9, desktop decline rolling-proof device 91, connect post 92, retaining plate 93, portable plate.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is further described.
Embodiment 1: as shown in Figure 1 and Figure 2, a kind of intelligent digital dais, the table top 2 comprise base 1, being arranged on base, after base, side surface upper part controls case 11 in being provided with, base then comprises the pedestal of bottom and can be arranged on the sound box bodies on pedestal top up or down, is provided with loud speaker in sound box bodies. It should be noted that, the direction in the present embodiment is taking the user at dais as benchmark, is namely rear side near user side, is front side away from user side, and correspondingly definition left side and right side, wherein direction, left and right be laterally, and front and back are to being longitudinal direction. For ease of the area of expanding table top, table top comprise one be connected with the sound box bodies of base and rectangular main table top 21 and symmetry cover the same rectangular splicing table top 22 in two, the left and right of main table top, the upper surface of main table top arranges liquid-crystal display 3, control panel 4 for manipulating, splicing table top is formed by closing mechanism and main table top and is slidably connected, thus makes two to splice table tops and have one and be stitched together and cover the closed state of main table top and one respectively to the opened condition being overlapped on main table-board to right or left both sides after the slippage of the left and right sides. In addition, as shown in Figure 3, splicing table top comprises the table top main body 221 that the upper surface with main table top is fitted, what the edge splicing the front side edge of table top main body of table top, back side edge and left side in left side had vertically that bending downwards extends to form encloses limit 222, analogously, what the edge splicing the front side edge of table top main body of table top, back side edge and right edge on right side had vertically that bending downwards extends to form encloses limit, that is, the exposed lateral side of each splicing table top all has encloses limit, thus is conducive to improving intensity and aesthetics. In addition, the front and back side laminating enclosing limit and main table top of side before and after table top main body, and the flange 223 that the lower edge enclosing limit bends inwards with being also provided with level, make splicing table top can reliably be socketed on main table top.
As shown in Figure 4, closing mechanism of the present utility model comprises one and is arranged on the rectangle framework 23 on the downside of main table top, the outside being separated from each other on two splicing table top downsides is installed with sliding bar 24 and the motor fixed rack 25 of two transverse directions in front and back respectively, the sliding bar of two splicing table tops extends relatively to the inside and the left and right sides with rectangle framework is slidably connected respectively, certainly, we can arrange corresponding sliding cover on rectangle framework, sliding bar is located in corresponding sliding cover, thus make sliding bar and rectangle framework form good being slidably connected, sliding bar can form supporting role by the splicing table top after the slippage of the subtend left and right sides simultaneously. in addition, rectangle framework can arrange two at the centre of rectangle framework and avris interval for supporting the sliding cover of the sliding bar of above, and the sliding cover of the centre of corresponding two splicing table tops can be arranged to one, thus be conducive to improving the stability supported, the splicing table top after sliding opening is made to have better rigidity, certainly, we need the length increasing corresponding sliding bar, and the sliding bar before two, left and right splicing table top answers front-back staggered to arrange.
As shown in Figure 5, motor fixed rack is by fitting and is fixed in the splicing web plate 251 of table top downside and the mounting plate 252 that is integrally connected to vertically downward on web plate is formed, thus makes motor fixed rack L-shaped. It is fixedly connected with the screw mandrel sleeve pipe 26 laterally extended to the inside near the inner side at center, dais at mounting plate, mounting plate arranges at corresponding screw mandrel sleeve pipe place and connected hole 253, be fixedly connected with an opening and closing motor 27 in another side of mounting plate, the motor shaft of opening and closing motor through connecting hole after be connected with the opening and closing screw mandrel 28 coaxially being arranged in screw mandrel sleeve pipe. In addition, the opening and closing spiral shell that has been threaded on opening and closing screw mandrel cover 29, the sidewall of screw mandrel sleeve pipe arranges and extends vertically and the chute 261 of through mounting plate, the arranged outside of opening and closing spiral shell cover radially stretches out the spacing preiection 291 of chute, and spacing preiection stretches out in the pilot hole of chute part screens on rectangle framework. During assembling, can first opening and closing spiral shell cover be threaded on opening and closing screw mandrel, and then by the opening and closing screw mandrel connected with the motor shaft of opening and closing motor together with opening and closing spiral shell cover loading in screw mandrel sleeve pipe in hole by connecting away from screw mandrel sleeve pipe side from mounting plate, the spacing preiection that now opening and closing spiral shell puts then can conveniently enter from through to the chute of mounting plate. When opening and closing screw mandrel is in place, opening and closing motor can be fixed on the mounting plate of motor fixed rack. Then the spacing preiection stretching out chute can be loaded in the pilot hole of rectangle framework by we, and is fixedly attached to by the web plate of motor fixed rack on the downside of splicing table top, thus conveniently completes assembling. It should be appreciated that the radial depth of mounting plate upper hopper chute should be greater than the radial height of spacing preiection, so that it is guaranteed that opening and closing spiral shell cover can smoothly by the connection of mounting plate hole. When we need outwards to move splicing table top, make opening and closing driven by motor opening and closing screw mandrel just to rotation by the manipulation of control panel, owing to opening and closing spiral shell cover is located, now opening and closing screw mandrel axially can move laterally under the effect of opening and closing spiral shell cover, thus drive splicing table top to move laterally by opening and closing motor, motor fixed rack, now splice the sliding bar on the downside of table top and play the support guide effect to splicing table top, it is ensured that splicing table top steadily moves smoothly. Meanwhile, screw mandrel sleeve pipe is then moved together with opening and closing motor laterally by motor fixed rack, correspondingly, and spacing preiection then relative movement in the chute of screw mandrel sleeve pipe. Certainly, we also can arrange a supporting annulus 281 at the end winding support of opening and closing screw mandrel, and the outer side of supporting annulus and the inner side-wall of screw mandrel sleeve pipe are suitable, like this, opening and closing screw mandrel can be made to be supported reliably, it is ensured that can relative movement smoothly between opening and closing screw mandrel and screw mandrel sleeve pipe.
In order to guarantee the safety of closing mechanism; we can arrange overcurrent protection device in the loop of opening and closing motor; like this; when splicing table top and be closed, if being subject to the obstruction of foreign matter, the electric current of opening and closing motor can rise rapidly and exceed its load current value 0.68A; when the electric current of opening and closing motor reaches the 1.2A of setting; overcurrent protection device action breaking circuits makes opening and closing motor stopping work, thus can effectively avoid closing mechanism impaired, human body is played protective effect simultaneously.
In order to improve the screen visual angle of liquid-crystal display, liquid-crystal display of the present utility model is rotationally connected by switching mechanism and main table top, thus makes liquid-crystal display have the working order of the receiving state of a level and front side upwards tip tilt. for ease of the layout of switching mechanism, as shown in Figure 2, we need to arrange recessed indicating meter open holes 211 at main table top upper surface, such as Fig. 6, shown in Fig. 7, switching mechanism is arranged on the base plate 50 bottom indicating meter open holes with comprising level, the indicating meter being positioned at indicating meter open holes installs framework 51, indicating meter is installed framework and is comprised the dividing plate 511 of rectangle and be arranged on separator edge and the frame 512 crossing with divider upright, thus install in framework at indicating meter and form upper and lower two cavitys, liquid-crystal display is positioned at the cavity of indicating meter installation framework upper and is fixedly connected with dividing plate. arranging supporting base 52 respectively at the rear portion of the base plate left and right sides, the rear side that indicating meter installs framework left and right sides frame is rotationally connected by the supporting base of the first rotating shaft 521 with the base plate left and right sides respectively. in addition, the middle part on the downside of dividing plate is arranged to be arranged and rotating upset screw mandrel 54 along the longitudinal direction, and being fixedly installed upset motor 55 on the downside of dividing plate, the motor shaft of upset motor is connected with upset screw mandrel simultaneously, thus upset screw mandrel can be driven to rotate. also laterally arrange on the downside of dividing plate can the cross bar 56 of slide anteroposterior, the correspondence upset screw mandrel place, middle part of cross bar arranges corresponding spiral shell cover, and upset screw mandrel overlaps formation with the spiral shell in the middle part of cross bar and is threaded. like this, when overturning screw mandrel and rotate, cross bar can be driven to move forward and backward. in addition, dividing plate downside arranges the guide rail 57 parallel with overturning screw mandrel respectively in the left and right sides, and the two ends, left and right of cross bar then arrange slide block 561 respectively. as shown in Figure 8, slide block is arranging U shape chute 562 near dividing plate side, the guide rail of the dividing plate left and right sides respectively screens thus form and be slidably connected in the U shape chute of two ends, cross bar left and right slide block. further, the middle part of the base plate left and right sides arranges strut seat 58 respectively, and the other end of two ends, a left and right hinged strut 53, two struts of difference of cross bar is hinged with the strut seat of corresponding side by the 2nd rotating shaft 581 respectively. like this, two struts support cross bar jointly, and cross bar then supports indicating meter and installs framework. owing to the opening of U shape chute is towards dividing plate side, therefore cross bar can not with dividing plate on the downside of guide rail be separated, simultaneously the U shape chute of opening just with its assembling.
When we need upwards overturning liquid crystal display time, make upset driven by motor upset screw mandrel just to rotation by control panel, thus drive cross bar to move side backward, namely strut now upwards overturns, thus by cross bar, indicating meter install framework driving liquid crystal displays upwards tip tilt and enter working order. Otherwise, we make upset driven by motor upset screw mandrel rotate backward by control panel, thus driving cross bar forward side to move, namely strut now overturns reset downwards, thus is overturn downwards by cross bar, indicating meter installation framework driving liquid crystal displays and put flat and enter receiving state. It should be noted that, the end face of strut near the 2nd rotating shaft one end should be arranged to half cylindrical surface coaxial with the 2nd rotating shaft, thus make the 2nd rotating shaft can try one's best near base plate, and the first rotating shaft should be arranged near rims upside edge place, thus make first, second rotating shaft have enough spacing in the height direction of framework, so that upset screw mandrel produces enough moments of torsion thus driving liquid crystal displays upwards overturns.
In order to guarantee the safety of switching mechanism, we can indicating meter install framework downside arrange can control overturn motor indicating meter rolling-proof device. Specifically, indicating meter rolling-proof device comprises the installation bar being arranged on indicating meter installation framework lower left side, lower right side and front downside, and every bar is installed and arranged 9 the first vernier switches equally spacedly on bar, and the first vernier switch is connected in parallel in the pilot circuit of upset motor. Like this, when liquid-crystal display overturns reset downwards, if running into the foreign matter below it, foreign matter touches the first vernier switch, now namely the first vernier switch sends triggering signal to the pilot circuit of upset motor, even if pilot circuit upset motor breaking and stopping action, so that it is guaranteed that the safety of switching mechanism, human body is played protective effect simultaneously.
In order to make the height at dais can be applicable to the user of different height, base is connected with table top by lifting device, specifically, as shown in Figure 9, retaining plate 60 that lifting device is arranged in the pedestal of base with comprising level rectangle, being arranged on portable plate 61 parallel with retaining plate above retaining plate and be spaced apart and arranged in above portable plate the top board 62 for loading floor, the vertical support bar 63 being arranged on corner place by four between top board with portable plate is connected. four corners place of retaining plate is fixedly installed a tail rod 64 straight up respectively, it is fixedly installed an elevating screw 65 straight up respectively in the mid-way of retaining plate four sides simultaneously, portable plate arranges corresponding sliding cover in corresponding tail rod position, thus portable plate is slidably connected on four tail rods. in addition, on portable plate, corresponding elevating screw position arranges the lifting spiral shell cover 66 being threaded with elevating screw rotationally, lifting motor 67 also it is installed with on the upside of portable plate, lifting motor vertically is passed down through on the motor shaft of portable plate to arrange a drive sprocket 68, correspondingly, the outer sheath of four lifting spiral shell covers is provided with driven sprocket wheel 69, chain drive-belt 691 winding on four driven sprocket wheels, and drive sprocket is then meshed with the outside of chain drive-belt. when lifting motor passes through drive sprocket, when chain drive-belt and driven chain wheel drive lifting spiral shell cover are just to rotation, lifting spiral shell cover can rise along elevating screw, thus drive top board to rise by portable plate, and then make table top automatically increase, otherwise, when lifting motor passes through drive sprocket, when chain drive-belt and driven chain wheel drive lifting spiral shell cover rotate backward, lifting spiral shell cover can decline along elevating screw, thus drive top board decline by portable plate, and then table top is declined automatically together with the sound box bodies of base, to realize the automatic lifting of table top, it is applicable to the user of different height. it should be noted that, we also can arrange one piece of stiffening plate above portable plate, and stiffening plate, portable plate are linked into an integrated entity by the support bar on top board, thus can effectively improve intensity and rigidity.
In order to guarantee the safety of lifting device, we can arrange the desktop decline rolling-proof device 9 of lifting controllable motor in the downside of table top. Specifically, as shown in Figure 10, desktop decline rolling-proof device comprise by connect post 91 be fixedly connected on the retaining plate 92 of the rectangle on the downside of main table top and be arranged on the portable plate 93 of rectangle below retaining plate, the edge of portable plate is inwardly level bending again after vertically upwards bending, thus retaining plate is enclosed in portable plate actively, that is, activity is done and is left gap between retaining plate. In addition, the lower surface at retaining plate arranges 24 the 2nd vernier switches, and the 2nd vernier switch is connected in parallel in the pilot circuit of lifting motor. Like this, when moving under table top, if running into the obstruction of foreign matter below main table top, foreign matter pushing set can be connected on the portable plate on retaining plate to move and touch the 2nd vernier switch, now namely the 2nd vernier switch sends triggering signal to the pilot circuit of lifting motor, even if pilot circuit lifting motor open circuit and stopping action, so that it is guaranteed that the safety of lifting device, human body is played protective effect simultaneously.
Further, as shown in Figure 1, middle control case is also provided with the fingerprint control master switch 7 that can control opening and closing motor, can effectively avoid the random operation of unrelated person. During use, first teaching people controls master switch by fingerprint and opens spliced table top, and now the liquid-crystal display on main table top and control panel etc. expose, and then namely carry out various manipulation by control panel, as made liquid-crystal display upwards overturn, or make table top rising etc.
Finally, we also can arrange respectively at four corners, bottom surface place of base and locking universal take turns 8, three locking universal mounting plates taking turns top are fixed by screws on the bottom surface of base, such as Figure 11, shown in Figure 12, another is locking universal takes turns the coupling shaft 82 arranged on the mounting plate 81 on top straight up, base arranges hatch 12 straight up in corresponding coupling shaft position, coupling shaft is axially plugged in hatch slidably, between the upper end and the bottom surface of hatch of coupling shaft, stage clip 83 is set, simultaneously chassis outer side arranges the lock only screw 15 of through hatch in corresponding hatch position level, lock stops the lock only screw 84 that screw internal thread connects the coupling shaft that compresses in hatch, lock only screw expose to lock and be only fixedly connected with and rotate disk 85 in the rear end of screw, the edge rotating disk arranges six at the equally distributed semicircle breach 851 of circumferential direction. when dais is placed on ground by we, lock only screw is loosened by rotating disk, now three locking universal wheels being fixedly connected with base can form a bearing surface, then automatically can move up under the effect of neutrality with what base was slidably connected, or automatically stretch out downwards to touch ground under the effect of stage clip, then we by rotate disk tighten lock only screw can make to contact with ground while of four, make dais obtain reliable and stable support.
It should be appreciated that closing mechanism in the present embodiment, switching mechanism and lifting device all can arrange the travel switch of corresponding two limit positions, thus said mechanism auto stop when arriving limit position can be guaranteed.
Claims (10)
1. an intelligent digital dais, comprise the base that side is provided with middle control case, the table top being arranged on base, it is characterized in that, described table top comprises the main table top of a rectangle and covers the splicing table top of two rectangles in left and right of main table top, the upper surface of described main table top is provided with liquid-crystal display and control panel, liquid-crystal display is rotationally connected by switching mechanism and main table top, thus make liquid-crystal display have the receiving state of a level and the working order of upwards tip tilt, described splicing table top is formed by closing mechanism and main table top and is slidably connected, thus make two splicing table tops have one and be stitched together and cover the closed state of main table top and one respectively to the opened condition being overlapped on main table-board to right or left both sides after the slippage of the left and right sides.
2. a kind of intelligent digital dais according to claim 1, it is characterized in that, described closing mechanism comprises the rectangle framework being arranged on the downside of main table top, the outside being separated from each other on two splicing table top downsides is installed with horizontal sliding bar and motor fixed rack respectively, the sliding bar of two splicing table tops extends to the inside and the left and right sides with rectangle framework is slidably connected respectively, described motor fixed rack side is provided with the screw mandrel sleeve pipe laterally extended to the inside, coaxial opening and closing screw mandrel and the opening and closing spiral shell cover being threaded on opening and closing screw mandrel it is provided with in screw mandrel sleeve pipe, the sidewall of screw mandrel sleeve pipe is provided with the chute extended vertically, the outside of opening and closing spiral shell cover is provided with the spacing preiection radially stretching out chute, spacing preiection stretches out in the pilot hole of chute part screens on rectangle framework, another side of motor fixed rack is provided with opening and closing motor, the motor shaft of described opening and closing motor is coaxially connected with opening and closing screw mandrel, the loop of opening and closing motor is provided with overcurrent protection device.
3. a kind of intelligent digital dais according to claim 2, it is characterized in that, described splicing table top comprise table top main body that the upper surface with main table top fits and by the front side edge of table top main body, back side edge, outer side edges edge vertically bending downwards extend to form enclose limit, the front and back sides laminating enclosing limit and main table top of side before and after table top main body, described in enclose the flange that the lower edge on limit bends inwards with being also provided with level.
4. a kind of intelligent digital dais according to claim 2, it is characterized in that, described motor fixed rack is by being fitted in the splicing web plate of table top downside and the mounting plate that is integrally connected on web plate vertically downward is formed, thus make motor fixed rack L-shaped, described screw mandrel sleeve pipe is fixedly connected on the side of mounting plate, mounting plate is provided with at corresponding screw mandrel sleeve pipe place and connected hole, opening and closing motor is fixedly connected on another side of mounting plate, the motor shaft of opening and closing motor through connecting hole after be connected with opening and closing screw mandrel, the through mounting plate of described chute.
5. a kind of intelligent digital dais according to claim 1, it is characterized in that, described main table top upper surface is provided with indicating meter open holes, described switching mechanism comprises the base plate being arranged on bottom indicating meter open holes, the indicating meter being positioned at indicating meter open holes installs framework, indicating meter is installed framework and is comprised the dividing plate of rectangle and be arranged on separator edge and the frame crossing with divider upright, thus install in framework at indicating meter and form upper and lower two cavitys, described liquid-crystal display is positioned at the cavity of indicating meter installation framework upper and is fixedly connected with dividing plate, the rear portion of the base plate left and right sides is respectively equipped with supporting base, the rear side that indicating meter installs framework left and right sides frame is rotationally connected by the supporting base of the first rotating shaft and the base plate left and right sides respectively, middle part on the downside of dividing plate is provided with to be arranged and rotating upset screw mandrel along the longitudinal direction, one motor shaft being fixedly installed on the upset motor on the downside of dividing plate is connected with upset screw mandrel, also laterally being provided with on the downside of dividing plate can the cross bar of slide anteroposterior, described upset screw mandrel is formed with the middle part of cross bar and is threaded, the middle part of the base plate left and right sides is respectively equipped with strut seat, the two ends, left and right of cross bar are hinged with strut respectively, the other end of two struts is hinged with the strut seat of corresponding side by the 2nd rotating shaft respectively, the downside that described indicating meter installs framework is provided with the indicating meter rolling-proof device that can control to overturn motor.
6. a kind of intelligent digital dais according to claim 5, it is characterized in that, the end face of described strut near the 2nd rotating shaft one end is half cylindrical surface coaxial with the 2nd rotating shaft, described first rotating shaft is arranged near rims upside edge place, described dividing plate downside is respectively equipped with the guide rail parallel with overturning screw mandrel in the left and right sides, the two ends, left and right of described cross bar are respectively equipped with slide block, and slide block is being provided with, near dividing plate side, the U shape chute being slidably connected with guide rail.
7. a kind of intelligent digital dais according to claim 5, it is characterized in that, described indicating meter rolling-proof device comprises the installation bar being arranged on indicating meter installation framework lower left side, lower right side and front downside, being provided with some first vernier switches on described installation bar equally spacedly, described first vernier switch is connected in parallel in the pilot circuit of described upset motor.
8. a kind of intelligent digital dais according to claim 1, it is characterized in that, described base is connected with table top by lifting device, the retaining plate that described lifting device is arranged in base with comprising level, it is arranged on the portable plate above retaining plate and it is spaced apart and arranged in above portable plate the top board for loading floor, retaining plate is provided with vertical tail rod and elevating screw, portable plate is slidably connected on the guide bar, portable plate is provided with lifting spiral shell cover rotationally that be threaded with elevating screw, portable plate is also installed with lifting motor, lifting motor drives lifting spiral shell cover to rotate by transmission rig, it is connected by vertical support bar between top board with portable plate, the desktop decline rolling-proof device of lifting controllable motor it is provided with in the downside of main table top.
9. a kind of intelligent digital dais according to claim 8, it is characterized in that, described desktop decline rolling-proof device comprises the portable plate below retaining plate and retaining plate, retaining plate is fixedly connected on the lower section of main table top by connecting post, the edge of described portable plate bends inwards after vertically upwards bending again, thus retaining plate is enclosed in portable plate actively, lower surface at retaining plate is provided with some 2nd vernier switches, and described 2nd vernier switch is connected in parallel in the pilot circuit of described lifting motor.
10. a kind of intelligent digital dais according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9, it is characterized in that, described middle control case is provided with the fingerprint control master switch that can control opening and closing motor, the bottom surface of described base is respectively equipped with locking universal take turns at four corners place, at least one locking universal mounting plate taking turns top is provided with coupling shaft straight up, base is provided with hatch straight up at correspondence position, coupling shaft is axially connected in hatch slidably, chassis outer side is provided with the lock only screw of through hatch in corresponding hatch position level, lock stops the lock only screw being provided with the coupling shaft compressing in hatch in screw, the lock rear end that only screw exposes to lock only screw is provided with rotation disk, the edge rotating disk is provided with some at the equally distributed semicircle breach of circumferential direction.
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| CN201521086003.8U CN205285519U (en) | 2015-12-23 | 2015-12-23 | Intelligent digital podium |
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| CN201521086003.8U CN205285519U (en) | 2015-12-23 | 2015-12-23 | Intelligent digital podium |
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| CN205285519U true CN205285519U (en) | 2016-06-08 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106820580A (en) * | 2017-02-28 | 2017-06-13 | 广州市富可士数码科技有限公司 | Fully-automatic intelligent multimedia lectern |
| CN106846945A (en) * | 2017-03-28 | 2017-06-13 | 江苏海事职业技术学院 | A kind of teaching information management system |
| CN108039088A (en) * | 2017-12-04 | 2018-05-15 | 广州黑曜石科技有限公司 | A kind of intelligence tutor auxiliary platform equipment |
| CN108269445A (en) * | 2018-02-01 | 2018-07-10 | 杨建斌 | For the checking device of Management Science and Engineering teaching |
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| CN115177092A (en) * | 2022-07-04 | 2022-10-14 | 国网浙江省电力有限公司温州供电公司 | Multifunctional alternating-current movable room |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106820580A (en) * | 2017-02-28 | 2017-06-13 | 广州市富可士数码科技有限公司 | Fully-automatic intelligent multimedia lectern |
| CN106846945A (en) * | 2017-03-28 | 2017-06-13 | 江苏海事职业技术学院 | A kind of teaching information management system |
| CN108039088A (en) * | 2017-12-04 | 2018-05-15 | 广州黑曜石科技有限公司 | A kind of intelligence tutor auxiliary platform equipment |
| CN108269445A (en) * | 2018-02-01 | 2018-07-10 | 杨建斌 | For the checking device of Management Science and Engineering teaching |
| CN108668487A (en) * | 2018-07-04 | 2018-10-16 | 合肥科塑信息科技有限公司 | A kind of traffic guidance net control station |
| CN109176427A (en) * | 2018-08-24 | 2019-01-11 | 芜湖凯兴汽车电子有限公司 | A kind of pressure sensor manufacture multistation processing unit (plant) |
| CN111012039A (en) * | 2019-12-02 | 2020-04-17 | 安徽工程大学 | Multimedia teaching lectern based on thing networking |
| CN111642895A (en) * | 2020-06-11 | 2020-09-11 | 李焱 | Multi-functional portable mathematical education platform |
| CN111642895B (en) * | 2020-06-11 | 2023-07-28 | 安徽科技学院 | Multifunctional movable mathematical education table |
| CN112932068A (en) * | 2021-02-23 | 2021-06-11 | 焦作大学 | Platform is explained in portable information-based education |
| CN112932068B (en) * | 2021-02-23 | 2022-11-25 | 焦作大学 | Platform is explained in portable information-based education |
| CN115177092A (en) * | 2022-07-04 | 2022-10-14 | 国网浙江省电力有限公司温州供电公司 | Multifunctional alternating-current movable room |
| CN115177092B (en) * | 2022-07-04 | 2023-11-14 | 国网浙江省电力有限公司温州供电公司 | Multifunctional communication activity room |
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