CN214796459U

CN214796459U - Sand table training aid for teaching of economics major

Info

Publication number: CN214796459U
Application number: CN202120812778.8U
Authority: CN
Inventors: 林涵; 孙迪靖; 杨江源
Original assignee: Yango University
Current assignee: Yango University
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2021-11-19
Anticipated expiration: 2031-04-20

Abstract

The utility model relates to a teaching equipment technical field just discloses a real teaching aid of instructing of sand table that economics specialty teaching was used, the power distribution box comprises a box body, surface symmetry is fixed with the extension board under the box, the gear groove has been seted up to the side about the box is inside, the inside lower fixed surface of box has first motor, first motor output shaft top is fixed with the threaded rod, threaded rod surface threaded connection has a screw thread section of thick bamboo, screw thread section of thick bamboo top is fixed with the sand table, the utility model discloses a set up spacer, dice, protecting cover, second motor, turning block, spring, rubber ball, switch, press the switch and drive the turning block rotation through second motor function, drive two springs and two rubber ball rotation swing by the turning block again, two rubber balls constantly hit the spacer during the swing, drive dice through the spacer tremor constantly change the point of rolling, the order that student and mr can come more random fair decision demonstration operation through the dice or the order that the role was selected.

Description

Sand table training aid for teaching of economics major

Technical Field

The utility model relates to a teaching equipment technical field specifically is a real teaching aid of instructing of sand table that economics specialty teaching was used.

Background

Sand table simulation teaching is a comparatively novel experience formula teaching mode, and it can let the student experience, study with complicated, abstract theoretical knowledge with the most audio-visual mode, through the effectual interest of study that arouses the student of lively visual sensation, improves learning efficiency, but current sand table can't accomplish automatic folding and accomodate or expand the use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a real teaching aid of instructing of sand table that economics specialty teaching was used has solved the problem that current sand table can't accomplish automatic folding to accomodate or expand the use.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a sand table training aid for teaching of economics major comprises a box body, wherein support plates are symmetrically fixed on the lower surface of the box body, gear grooves are formed in the left side and the right side of the interior of the box body, a first motor is fixed on the lower surface of the interior of the box body, a threaded rod is fixed on the top of an output shaft of the first motor, a threaded cylinder is in threaded connection with the outer surface of the threaded rod, a sand table is fixed on the top of the threaded cylinder, racks are fixed on the left side and the right side of the sand table, pinions are respectively in meshed connection with the back sides of the interior of the two gear grooves, the front ends and the back ends of the two pinions are respectively in rotary connection with the front surfaces and the back surfaces of the interior of the two gear grooves, gear conveyor belts are respectively in meshed connection with the back sides of the two pinions, two rotary drums are respectively divided into two groups, the outer surfaces of the two rotary drums in each group are respectively attached to the inner side walls of the gear conveyor belts, the front ends and the rear ends of the four rotary drums are respectively and rotatably connected with the front surfaces and the rear surfaces inside the two gear grooves, the tops of the two gear conveyor belts are respectively engaged and connected with a semicircular gear, the opposite ends of the two semicircular gears are respectively fixed with a cover plate, two transverse shafts are fixed between the front surface and the rear surface of the box body, the two transverse shafts respectively penetrate through the two cover plates and the two semicircular gears, the upper surface of the sand table is provided with a groove, a spacer is fixed in the groove, the left end and the right end of the spacer are respectively fixed with the left side and the right side in the groove, a second motor is fixed on the lower surface of the inner part of the groove below the spacer, dice is arranged on the upper surface of the spacer, the sand table is characterized in that a rotating block is fixed at the left end of an output shaft of the second motor, springs are fixed at the upper end and the lower end of the rotating block, rubber balls are fixed at the left ends of the two springs, and a switch is fixed on the upper surface of the sand table.

Preferably, a protecting cover is fixed on the upper surface of the sand table above the groove.

Preferably, the protecting cover is made of transparent glass.

Preferably, the spacer is made of elastic plastic.

Preferably, the second motor and the first motor are both electrically connected with an external power supply.

Preferably, the switch is electrically connected to the second motor.

Preferably, the front surface and the rear surface of the sand table are respectively attached to the front surface and the rear surface inside the box body.

(III) advantageous effects

The utility model provides a real teaching aid of instructing of sand table that economics specialty teaching was used possesses following beneficial effect:

(1) the utility model discloses a set up first motor, the threaded rod, a threaded section of thick bamboo, the sand table, the rack, the pinion, gear conveyer belt, the rotary drum, half round gear, the apron, make the teacher can drive the threaded rod rotary drum through first motor when needing to use the sand table and make a threaded section of thick bamboo and sand table rise, simultaneously through the pinion, the rack, gear conveyer belt, linkage relation makes the apron upset between the half round gear, can make the desktop space increase more make things convenient for the student to use when carrying out the real standard of sand table after the apron upset, accomodate the apron linkage upset simultaneously through first motor with the sand table decline when not needing to use, can regard as ordinary teaching table to use after accomodating.

(2) The utility model discloses a set up spacer, dice, protecting cover, second motor, commentaries on classics piece, spring, rubber ball, switch, it is rotatory to drive the commentaries on classics piece through the second motor function according to moving the switch, drive two springs and two rotatory swings of rubber ball by the commentaries on classics piece again, two rubber balls constantly hit during the swing and hit the spacer, it constantly rolls the transform point number to drive the dice through the spacer tremor, the student can come the order of more random fair's decision demonstration operation or the order that the role was selected to the student through the dice.

Drawings

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

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a box body; 2. a support plate; 3. a gear groove; 4. a first motor; 5. a threaded rod; 6. a threaded barrel; 7. a sand table; 8. a rack; 9. a pinion gear; 10. a gear conveyor; 11. a rotating drum; 12. a semi-circular gear; 13. a cover plate; 14. a horizontal axis; 15. a groove; 16. a spacer; 17. a dice; 18. a protective cover; 19. a second motor; 20. rotating the block; 21. a spring; 22. a rubber ball; 23. and (4) switching.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: a sand table training aid for teaching of economics major comprises a box body 1, wherein support plates 2 are symmetrically fixed on the lower surface of the box body 1, gear grooves 3 are formed in the left side and the right side of the interior of the box body 1, a first motor 4 is fixed on the lower surface of the interior of the box body 1, a threaded rod 5 is fixed on the top of an output shaft of the first motor 4, a threaded cylinder 6 is in threaded connection with the outer surface of the threaded rod 5, a sand table 7 is fixed on the top of the threaded cylinder 6, racks 8 are fixed on the left side and the right side of the sand table 7, the back sides of the two racks 8 are in meshed connection with pinions 9, the front ends and the rear ends of the two pinions 9 are respectively in rotary connection with the front surface and the rear surface of the interior of the two gear grooves 3, gear conveyor belts 10 are in meshed connection with the back sides of the two pinions 9, two rotary drums 11 are arranged in two groups, the outer surfaces of the two rotary drums 11 in each group are attached to the inner side wall of the gear conveyor belts 10, four rotary drums 11 front and back ends are connected with two inside front and back surface rotations in gear groove 3 respectively, two equal meshing in gear conveyer belt 10 tops are connected with semicircular gear 12, two semicircular gear 12 looks remote site all are fixed with apron 13, be fixed with two cross axles 14 between 1 front and back surface of box, two cross axles 14 run through two apron 13 and two semicircular gear 12 respectively, sand table 7 upper surface is seted up flutedly 15, 15 inside partitions 16 that are fixed with of recess, the end is fixed with recess 15 inside left and right sides respectively about partitions 16, the inside lower surface that is located partition 16 below of recess 15 is fixed with second motor 19, partition 16 upper surface is equipped with

dice

17, 19 output shaft left end of second motor is fixed with commentaries on classics piece 20, the upper and lower ends of commentaries on classics piece 20 all are fixed with spring 21, two spring 21 left ends all are fixed with rubber ball 22, sand table 7 upper surface is fixed with switch 23, make the teacher can drive threaded rod 5 rotary drum through first motor 4 and make threaded cylinder 6 and sand table 7 when needing to use sand table 7 Rise, make apron 13 upset through linkage relation between rack 8, pinion 9, gear conveyer belt 10, the semicircle gear 12 simultaneously, can make the desktop space increase more make things convenient for the student to use when instructing carrying out the reality after apron 13 upset, accomodate apron 13 linkage upset simultaneously through first motor 4 with sand table 7 decline when not needing to use, can regard as ordinary teaching table to use after accomodating.

Furthermore, a protecting cover 18 is fixed on the upper surface of the sand table 7 above the groove 15, and the protecting cover 18 can protect dust entering the groove 15.

Furthermore, the protecting cover 18 is made of transparent glass, and the number of the dice 17 below the protecting cover 18 can be visually observed through the transparent glass.

Further, the spacer 16 is made of elastic plastic, and the spacer can vibrate better to achieve the effect of rolling the dice 17.

Further, second motor 19, first motor 4 all with external power source electric connection, external power source can increase the cost of internal battery by less teaching aid.

Further, the switch 23 is electrically connected to the second motor 19, and the second motor 19 can be operated by pressing the switch 23, so as to control the dice 17 to roll over and throw out points.

Further, the surface is laminated with the inside front and back surface of box 1 respectively around sand table 7, can play spacing effect when the screw thread goes up and down for sand table 7 can not rock about.

To sum up, the utility model discloses a work flow: when the teachers need to use the sand table 7, the first motor 4 can drive the threaded rod 5 to rotate the barrel to enable the threaded barrel 6 and the sand table 7 to ascend, meanwhile, the cover plate 13 is turned over through the linkage relation among the rack 8, the pinion 9, the gear conveyor belt 10 and the semicircular gear 12, the space of a table top can be enlarged after the cover plate 13 is turned over, so that the table top can be more conveniently used by students in practical training, when the table top is not needed to be used, the sand table 7 is lowered and stored through the first motor 4, the cover plate 13 is turned over in a linkage way, the table top can be used as a common teaching table after being stored, the rotating block 20 is driven to rotate by the operation of the second motor 19 through the pressing switch 23 in the practical training, the two springs 21 and the two rubber balls 22 are driven to rotate and swing by the rotating block 20, the two rubber balls 22 continuously hit the spacer 16 during the swinging, the dice 17 is driven to roll continuously through the tremor of the spacers 16, so that the number of points can be changed, and students and teachers can determine the sequence of demonstration operations or the sequence of role selection of the students more randomly and fairly through the dice 17.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a real teaching aid of instructing of sand table that economics specialty teaching was used, includes box (1), its characterized in that: a support plate (2) is symmetrically fixed on the lower surface of the box body (1), gear grooves (3) are formed in the left side and the right side of the interior of the box body (1), a first motor (4) is fixed on the lower surface of the interior of the box body (1), a threaded rod (5) is fixed on the top of an output shaft of the first motor (4), a threaded cylinder (6) is in threaded connection with the outer surface of the threaded rod (5), a sand table (7) is fixed on the top of the threaded cylinder (6), racks (8) are fixed on the left side and the right side of the sand table (7), the back sides of the two racks (8) are respectively in meshed connection with pinions (9), the front ends and the rear ends of the two pinions (9) are respectively in rotary connection with the front surface and the rear surface of the interior of the two gear grooves (3), the back sides of the two pinions (9) are respectively in meshed connection with gear conveyor belts (10), and two rotary drums (11) are arranged in the interior of the gear conveyor belts (10), the four rotary drums (11) are equally divided into two groups, the outer surface of each group of two rotary drums (11) is attached to the inner side wall of the gear conveyor belt (10), the front end and the rear end of each rotary drum (11) are respectively connected with the front surface and the rear surface inside the gear groove (3) in a rotating mode, the top of each gear conveyor belt (10) is connected with a semicircular gear (12) in a meshing mode, the opposite ends of the two semicircular gears (12) are respectively fixed with a cover plate (13), two transverse shafts (14) are fixed between the front surface and the rear surface of the box body (1), the two transverse shafts (14) respectively penetrate through the two cover plates (13) and the two semicircular gears (12), the upper surface of the sand table (7) is provided with a groove (15), a spacer (16) is fixed inside the groove (15), and the left end and the right end of the spacer (16) are respectively fixed with the left side and the right side inside the groove (15), the inside lower surface of recess (15) is located spacer (16) below is fixed with second motor (19), spacer (16) upper surface is equipped with dice (17), second motor (19) output shaft left end is fixed with commentaries on classics piece (20), it all is fixed with spring (21) to change piece (20) upper and lower end, two spring (21) left end all is fixed with rubber ball (22), sand table (7) upper surface is fixed with switch (23).

2. The sand table training aid for teaching of economics specialty according to claim 1, which is characterized in that: the upper surface of the sand table (7) is positioned above the groove (15) and is fixedly provided with a protective cover (18).

3. The sand table training aid for teaching of economics specialty according to claim 2, which is characterized in that: the protecting cover (18) is made of transparent glass.

4. The sand table training aid for teaching of economics specialty according to claim 1, which is characterized in that: the spacer (16) is made of elastic plastic.

5. The sand table training aid for teaching of economics specialty according to claim 1, which is characterized in that: the second motor (19) and the first motor (4) are both electrically connected with an external power supply.

6. The sand table training aid for teaching of economics specialty according to claim 1, which is characterized in that: the switch (23) is electrically connected with the second motor (19).

7. The sand table training aid for teaching of economics specialty according to claim 1, which is characterized in that: the front surface and the rear surface of the sand table (7) are respectively attached to the front surface and the rear surface inside the box body (1).