CN212460839U - Electronic blackboard with exhibition stand - Google Patents

Abstract

The utility model discloses an electronic blackboard with a display stand, the structure of which comprises a mainboard, a control switch, a power line, a fixed rod, a threaded rod and a first blackboard, an auxiliary fastening device is arranged in the display stand, a driving mechanism is started through the control switch, the driving mechanism drives a main shaft to rotate, the main shaft drives a connecting rod to rotate, so that the fastening plate slides oppositely at the top of a slide rail through a second slider, the fastening plate moves at the inner side surface of a chute to achieve the effect of auxiliary fastening of teaching materials, a driving mechanism is arranged in a mounting plate, a second motor is started through the control switch, the second motor drives a rotating shaft to rotate, the rotating shaft drives a second bevel gear to rotate, the second bevel gear drives a first bevel gear to rotate, the first bevel gear drives the main shaft to rotate, the main shaft drives the connecting rod to rotate, and the effect of driving the connecting rod is, the device is convenient to use and simple to operate, and the working efficiency is effectively improved.

Description

Electronic blackboard with exhibition stand

Technical Field

The utility model relates to an electronic blackboard technical field, concretely relates to electronic blackboard with stand.

Background

The electronic blackboard is a high-tech electronic product replacing a traditional blackboard, adopts a stable and reliable infrared sensing positioning technology, a liquid crystal display screen technology and a computer technology to be integrated, is different from the electronic whiteboard, integrates a plurality of office equipment functions such as a projector, the electronic whiteboard, a liquid crystal television, a computer and the like, and is added with special writing software, so that the information processing is more convenient, the demonstration is more vivid, the complex installation and debugging are not needed, the system cost is reduced, and the electronic blackboard with the exhibition stand is required to be used in the using process of the electronic blackboard.

But the electronic blackboard that has the stand generally all starts first motor through control switch, first motor drives the threaded rod and rotates, make first slider slide on the threaded rod surface, first slider drives first blackboard and removes, reach the effect of adjusting first blackboard, but the electronic blackboard that the tradition had the stand is relatively poor to teaching material fastening effect, teaching material receives external force to influence easily and drops from the stand in the use, lead to the impaired unable normal use of teaching material, the electronic blackboard that the tradition had the stand simultaneously is relatively poor to connecting rod drive effect, lead to using inconveniently.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome prior art not enough, the electronic blackboard with stand has been proposed at present, and it is relatively poor to teaching material fastening effect to have solved the electronic blackboard that the tradition had the stand, and teaching material receives external force to influence easily and drops from the stand in the use, leads to the impaired unable normal use of teaching material, and the electronic blackboard that the tradition had the stand simultaneously is relatively poor to connecting rod drive effect, leads to using inconvenient problem.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides an electronic blackboard with a display stand, which comprises a main board,

the auxiliary fastening device is used for carrying out auxiliary fixing on the teaching material;

the fixing rod is used for fixedly mounting the threaded rod;

the threaded rod is used for driving the first sliding block to slide;

the first sliding block is used for driving the first blackboard;

a guide rail for guiding the first blackboard;

furthermore, the inner middle part of the first sliding block is provided with internal threads, and the first sliding block is in threaded connection with the outer surface of the threaded rod;

furthermore, the number of the guide rails is two, and the inner side surface of each guide rail is a smooth plane.

Further, mainboard right front end is fixed with control switch, mainboard left side front end is provided with the power cord to the power cord is connected with the control switch electricity, the level is provided with the dead lever relatively around the mainboard left end, the inside threaded rod that is provided with of dead lever, first motor is installed to the dead lever bottom, and the threaded rod rotates with first motor output and is connected, threaded rod surface upper end is provided with first slider, first slider right-hand member is fixed with first blackboard, mainboard right side lower extreme is fixed with the stand, the level imbeds relatively around the stand top has the spout, the inside supplementary fastener that is provided with of stand, the level relatively fixed has the guide rail around the mainboard to first blackboard and guide rail medial surface sliding connection, the mainboard right-hand member is provided with the second blackboard.

Further, supplementary fastener includes mounting panel, support, fixing base, slide rail, second slider, mounting plate, movable rod, connecting rod, main shaft and actuating mechanism, mounting panel top middle part is provided with the support, the fixing base runs through in support left side front end, the level relatively fixed has the slide rail about the fixing base top, second slider and slide rail top sliding connection, mounting plate and second slider top fixed connection, movable rod and mounting plate bottom middle part swing joint, connecting rod and movable rod right-hand member swing joint, the main shaft runs through in the connecting rod middle part, the inside actuating mechanism that is provided with of mounting panel, the inside fixed connection of mounting panel and stand, mounting plate and spout medial surface sliding connection.

Furthermore, actuating mechanism includes first bevel gear, second bevel gear, pivot and second motor, first bevel gear upper right end is provided with the second bevel gear, pivot and second bevel gear right-hand member fixed connection, the second motor is installed in the mounting panel right-hand member to the pivot rotates with second motor output and is connected, first bevel gear and main shaft surface lower extreme fixed connection.

Furthermore, the included angle between the movable rod and the connecting rod gradually increases when the movable rod swings, and the included angle between the movable rod and the connecting rod ranges from 60 degrees to 180 degrees.

Furthermore, the number of the sliding rails is four, and the sliding distance of the second sliding block on the top of the sliding rail ranges from 5 cm to 10 cm.

Further, the diameter of the second bevel gear is set to be 6 cm, and the outer surfaces of the first bevel gears of the second bevel gears are meshed with each other.

Furthermore, the central line of the rotating shaft and the output end of the second motor are in the same horizontal direction, and the second motor drives the rotating shaft to rotate by 360 degrees.

Further, the fastening plate is made of aluminum alloy.

Furthermore, the main board is made of stainless steel.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

1) the relatively poor problem of teaching material fastening effect of the electronic blackboard who has the stand for solving the tradition, through set up supplementary fastener in stand inside, start actuating mechanism through control switch, actuating mechanism drives the main shaft and rotates, the main shaft drives the connecting rod and rotates, the connecting rod drives the movable rod swing, the movable rod drives the mounting plate and moves about, make the mounting plate slide in the slide rail top in opposite directions through the second slider, the mounting plate moves about at the spout medial surface simultaneously, make the mounting plate support teaching material surface mutually, reach the effect of supplementary fastening teaching material.

2) The relatively poor problem of the traditional electronic blackboard that has the stand to connecting rod drive effect for solving, through set up actuating mechanism in the mounting panel inside, start the second motor through control switch, the second motor drives the pivot and rotates, the pivot drives second bevel gear and rotates, second bevel gear and first bevel gear surface intermeshing, second bevel gear drives first bevel gear and rotates, first bevel gear drives the main shaft and rotates, the main shaft drives the connecting rod and rotates, reach the effect of drive connecting rod.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the first blackboard of the present invention in an open state;

FIG. 3 is a schematic structural view of the auxiliary fastening device of the present invention;

FIG. 4 is a front sectional structural view of the auxiliary fastening device of the present invention;

fig. 5 is a front sectional structural schematic view of the driving mechanism of the present invention.

In the figure: the blackboard comprises a main board-1, a control switch-2, a power line-3, a fixed rod-4, a threaded rod-5, a first motor-6, a first sliding block-7, a first blackboard-8, a display stand-9, a sliding chute-10, an auxiliary fastening device-11, a guide rail-12, a second blackboard-13, a mounting plate-111, a bracket-112, a fixed seat-113, a sliding rail-114, a second sliding block-115, a fastening plate-116, a movable rod-117, a connecting rod-118, a main shaft-119, a driving mechanism-1110, a first bevel gear-11101, a second bevel gear-11102, a rotating shaft-11103 and a second motor-11104.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, 2, 3, 4 and 5, the present invention provides an electronic blackboard with a display stand: comprises a main board 1 and a plurality of auxiliary boards,

the auxiliary fastening device 11 is used for performing auxiliary fixing on the teaching materials;

the fixing rod 4 is used for fixedly mounting the threaded rod 5;

the threaded rod 5 is used for driving the first sliding block 7 to slide;

a first slider 7 for driving the first blackboard 8;

a guide rail 12 for guiding the first blackboard 8;

wherein, the inner middle part of the first sliding block 7 is provided with internal threads, and the first sliding block 7 is in threaded connection with the outer surface of the threaded rod 5;

wherein, the guide rail 12 is provided with two altogether, and the inside surface of guide rail 12 is smooth plane.

Wherein, a control switch 2 is fixed at the right front end of the main board 1, a power cord 3 is arranged at the left front end of the main board 1, and the power cord 3 is electrically connected with the control switch 2, the front and the back of the left end of the main board 1 are horizontally and oppositely provided with a fixed rod 4, a threaded rod 5 is arranged in the fixed rod 4, a first motor 6 is arranged at the bottom of the fixed rod 4, and the threaded rod 5 is rotationally connected with the output end of the first motor 6, the upper end of the outer surface of the threaded rod 5 is provided with a first sliding block 7, a first blackboard 8 is fixed at the right end of the first sliding block 7, a display stand 9 is fixed at the right lower end of the main board 1, sliding grooves 10 are horizontally and oppositely embedded in the front and the back of the top of the exhibition stand 9, an auxiliary fastening device 11 is arranged in the exhibition stand 9, guide rails 12 are horizontally and oppositely fixed in the front and the back of the main board 1, the first blackboard 8 is connected with the inner side surface of the guide rail 12 in a sliding way, and the right end of the main board 1 is provided with a second blackboard 13.

Wherein, the auxiliary fastening device 11 comprises a mounting plate 111, a support 112, a fixed seat 113, a sliding rail 114, a second sliding block 115, a fastening plate 116, a movable rod 117, a connecting rod 118, a main shaft 119 and a driving mechanism 1110, the middle part of the top end of the mounting plate 111 is provided with the support 112, which is beneficial for fixedly mounting the support 112, the fixed seat 113 penetrates through the left front end of the support 112, the sliding rail 114 is relatively fixed horizontally at the left and right of the top of the fixed seat 113, which is beneficial for fixedly mounting the sliding rail 114, the second sliding block 115 is connected with the sliding rail 114 in a sliding manner, the fastening plate 116 is fixedly connected with the top of the second sliding block 115, the movable rod 117 is movably connected with the middle part of the bottom end of the fastening plate 116, which is beneficial for fixedly mounting the movable rod 117, the connecting rod 118 is movably connected with the right end of the movable rod 117, mounting panel 111 and the inside fixed connection of stand 9, mounting plate 116 and spout 10 medial surface sliding connection.

The driving mechanism 1110 comprises a first bevel gear 11101, a second bevel gear 11102, a rotating shaft 11103 and a second motor 11104, wherein the second bevel gear 11102 is arranged at the upper right end of the first bevel gear 11101, so that the second bevel gear 11102 can be fixedly mounted, the rotating shaft 11103 is fixedly connected with the right end of the second bevel gear 11102, so that the rotating shaft 11103 can be fixedly mounted, the second motor 11104 is mounted at the right end of the mounting plate 111, the rotating shaft 11103 is rotatably connected with the output end of the second motor 11104, so that the second motor 11104 can be fixedly mounted, and the first bevel gear 11101 is fixedly connected with the lower end of the outer surface of the spindle 119.

The included angle between the movable rod 117 and the connecting rod 118 gradually increases when the movable rod 117 swings, and the included angle between the movable rod 117 and the connecting rod 118 ranges from 60 degrees to 180 degrees, so that the connecting rod 118 can drive the movable rod 117 to swing better.

The number of the sliding rails 114 is four, and the sliding distance of the second sliding block 115 on the top of the sliding rail 114 ranges from 5 cm to 10 cm, so as to achieve a better auxiliary fastening effect.

Wherein the second bevel gear 11102 has a diameter of 6 cm, and the second bevel gear 11102 is engaged with the outer surface of the first bevel gear 11101. So as to achieve better driving effect.

The central line of the rotating shaft 11103 and the output end of the second motor 11104 are in the same horizontal direction, and the second motor 11104 drives the rotating shaft 11103 to rotate by 360 degrees, so that the second motor 11104 can drive the rotating shaft 11103 to rotate better.

The fastening plate 116 is made of aluminum alloy, and has the advantage of higher corrosion resistance.

Wherein, mainboard 1 is stainless steel material, has longer life's advantage.

The first bevel gear 11101 described in this patent is used to transmit the motion and power between two intersecting axes, in general machinery, the angle of intersection between two axes of the bevel gear is equal to 90 ° (but may not be equal to 90 °), and like cylindrical gears, the bevel gear has a reference cone, an addendum cone, a dedendum cone and a base cone, the cone has a large end and a small end, and the circles corresponding to the large end are respectively called a reference circle (the radius of which is r), an addendum circle, a dedendum circle and a base circle, and the motion of a pair of bevel gears is equivalent to a pair of pitch cones to perform pure rolling.

The utility model discloses an electronic blackboard with stand, its theory of operation as follows:

firstly, moving the device to a place needing to be used, fixing a fixed rod 4 on a wall surface through a bolt, and inserting a power line 3 into a power supply;

secondly, writing is carried out on the first blackboard 8 through the electronic pen, when the first blackboard 8 needs to be adjusted, the first motor 6 is started through the control switch 2, the first motor 6 drives the threaded rod 5 to rotate inside the fixed rod 4, the first sliding block 7 slides upwards on the outer surface of the threaded rod 5 through internal threads, the first sliding block 7 drives the first blackboard 8 to move upwards, and the second blackboard 13 is exposed and used;

thirdly, a second motor 11104 is started through a control switch 2, the second motor 11104 drives a rotating shaft 11103 to rotate, the rotating shaft 11103 drives a second bevel gear 11102 to rotate, the second bevel gear 11102 is meshed with the outer surface of the first bevel gear 11101, the second bevel gear 11102 drives the first bevel gear 11101 to rotate, and the first bevel gear 11101 drives a main shaft 119 to rotate;

fourthly, the main shaft 119 drives the connecting rod 118 to rotate, the connecting rod 118 drives the movable rod 117 to swing, the movable rod 117 drives the fastening plate 116 to move, so that the fastening plate 116 slides oppositely on the top of the sliding rail 114 through the second sliding block 115, and meanwhile, the fastening plate 116 moves on the inner side surface of the sliding groove 10, so that the fastening plate 116 abuts against the outer surface of the teaching material, and the effect of assisting in fastening the teaching material is achieved;

fifthly, after the device is used, the first motor 6 is started through the control switch 2, the first blackboard 8 is enabled to be recovered to the original position, the second motor 11104 is started through the control switch 2, the second motor 11104 is moved through the main shaft 119 connecting rod 118 and the movable rod 117, the movable rod 117 drives the fastening plate 116 to move, the fastening plate 116 moves in the opposite direction and is separated from the outer surface of the teaching material, then the teaching material is taken down from the exhibition stand 9, and finally the power line 3 is pulled out from the power supply.

The basic principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, conventional model, and conventional connection mode in the prior art is adopted in addition to circuit connection, and the details are not repeated here.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. The utility model provides an electronic blackboard with stand, includes mainboard (1), its characterized in that still includes:

the auxiliary fastening device (11) is used for carrying out auxiliary fixing on the teaching material;

the fixing rod (4) is used for fixedly mounting the threaded rod (5);

the threaded rod (5) is used for driving the first sliding block (7) to slide;

a first slider (7) for driving the first blackboard (8);

a guide rail (12) for guiding the first blackboard (8);

the inner middle part of the first sliding block (7) is provided with internal threads, and the first sliding block (7) is in threaded connection with the outer surface of the threaded rod (5);

the two guide rails (12) are arranged, and the inner side surfaces of the guide rails (12) are smooth planes.

2. The electronic blackboard with a display stand according to claim 1, characterized in that: the improved multifunctional display board is characterized in that a control switch (2) is fixed at the right front end of the mainboard (1), a power line (3) is arranged at the left front end of the mainboard (1), the power line (3) is electrically connected with the control switch (2), a fixing rod (4) is arranged at the front and back of the left end of the mainboard (1) relatively in a horizontal mode, a threaded rod (5) is arranged inside the fixing rod (4), a first motor (6) is installed at the bottom of the fixing rod (4), the threaded rod (5) is rotatably connected with the output end of the first motor (6), a first sliding block (7) is arranged at the upper end of the outer surface of the threaded rod (5), a first blackboard (8) is fixed at the right end of the first sliding block (7), a display board (9) is fixed at the right lower end of the mainboard (1), a sliding groove (10) is embedded into the front and, the blackboard eraser is characterized in that guide rails (12) are horizontally and relatively fixed on the front and the back of the main board (1), a first blackboard (8) is in sliding connection with the inner side faces of the guide rails (12), and a second blackboard (13) is arranged at the right end of the main board (1).

3. The electronic blackboard with a display stand according to claim 1, characterized in that: the auxiliary fastening device (11) comprises a mounting plate (111), a support (112), a fixed seat (113), a sliding rail (114), a second sliding block (115), a fastening plate (116), a movable rod (117), a connecting rod (118), a main shaft (119) and a driving mechanism (1110), wherein the support (112) is arranged in the middle of the top end of the mounting plate (111), the fixed seat (113) penetrates through the left front end of the support (112), the sliding rail (114) is horizontally and relatively fixed on the left side and the right side of the top of the fixed seat (113), the second sliding block (115) is in sliding connection with the top of the sliding rail (114), the fastening plate (116) is fixedly connected with the top of the second sliding block (115), the movable rod (117) is in movable connection with the middle of the bottom end of the fastening plate (116), the connecting rod (118) is in movable connection with the right end of the movable rod (117), and, mounting panel (111) inside actuating mechanism (1110) of being provided with, mounting panel (111) and inside fixed connection of stand (9), mounting plate (116) and spout (10) medial surface sliding connection.

4. The electronic blackboard with a display stand according to claim 3, characterized in that: the driving mechanism (1110) comprises a first bevel gear (11101), a second bevel gear (11102), a rotating shaft (11103) and a second motor (11104), wherein the second bevel gear (11102) is arranged at the upper right end of the first bevel gear (11101), the rotating shaft (11103) is fixedly connected with the right end of the second bevel gear (11102), the second motor (11104) is installed at the right end of the installation plate (111), the rotating shaft (11103) is rotatably connected with the output end of the second motor (11104), and the first bevel gear (11101) is fixedly connected with the lower end of the outer surface of the main shaft (119).

5. The electronic blackboard with a display stand according to claim 3, characterized in that: the included angle between the movable rod (117) and the connecting rod (118) is gradually increased when the movable rod (117) swings, and the included angle between the movable rod (117) and the connecting rod (118) ranges from 60 degrees to 180 degrees.

6. The electronic blackboard with a display stand according to claim 3, characterized in that: the number of the sliding rails (114) is four, and the sliding distance of the second sliding block (115) on the top of the sliding rails (114) ranges from 5 cm to 10 cm.

7. The electronic blackboard with a display stand according to claim 4, characterized in that: the second bevel gear (11102) is set to have a diameter of 6 cm, and the second bevel gear (11102) is engaged with the outer surface of the first bevel gear (11101).

8. The electronic blackboard with a display stand according to claim 4, characterized in that: the central line of the rotating shaft (11103) and the output end of the second motor (11104) are in the same horizontal direction, and the second motor (11104) drives the rotating shaft (11103) to rotate by 360 degrees.

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