CN211748185U

CN211748185U - Novel comprehensive mechanical teaching aid

Info

Publication number: CN211748185U
Application number: CN202020235428.5U
Authority: CN
Inventors: 关锋; 吴志光; 杨高宏
Original assignee: Shanxi Institute of Mechanical and Electrical Engineering
Current assignee: Shanxi Institute of Mechanical and Electrical Engineering
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2020-10-27
Anticipated expiration: 2030-02-28

Abstract

The utility model relates to a teaching aid technical field just discloses a novel comprehensive machinery teaching aid, comprising a supporting base, the equal fixed mounting in the left and right sides of supporting seat bottom has the connecting rod, two the equal movable mounting in bottom of connecting rod has the connecting seat, two the front and the equal fixed mounting in the back of connecting seat bottom have the bracing piece, the bottom fixed mounting of bracing piece has the runner, and is two relative fixed mounting has the stabilizer bar between the bracing piece, the top fixed mounting of supporting seat has the plate body, the front of plate body is seted up flutedly, the inside movable mounting of recess has the blackboard eraser. This novel comprehensive machinery teaching aid through setting up the plate body to make the height of plate body obtain changing, make the height of blackboard can obtain changing, can use the student of different heights to use, the effectual effect that has reached the automatic erasing blackboard, characters on the erasing teaching aid that can be quick have made things convenient for user's use.

Description

Novel comprehensive mechanical teaching aid

Technical Field

The utility model relates to a teaching aid technical field specifically is a novel comprehensive machinery teaching aid.

Background

The teaching aid is used for explaining models, objects, specimens, instruments, charts, slide shows and the like of certain things, and comprises teaching equipment, teaching instruments, practical training equipment, education equipment, experimental equipment, teaching specimens, teaching models and the like.

The teaching aid has the irreplaceable effect of other means as the apparatus of teacher's supplementary teaching, no matter which subject, all can have certain teaching aid as appurtenance, but traditional blackboard teaching aid simple structure has a great deal of inconvenience at the in-process that uses, and does not possess the effect of automatic erasing characters, so provides a novel comprehensive machinery teaching aid.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The not enough to prior art, the utility model provides a novel comprehensive machinery teaching aid possesses the facilitate use and erases advantages such as characters automatically, has solved traditional blackboard teaching aid simple structure, has a great deal of inconvenience at the in-process that uses, and does not possess the problem of the effect of erasing the characters automatically.

(II) technical scheme

For realizing above-mentioned traditional blackboard teaching aid simple structure, there is a great deal of inconvenience at the in-process that uses, and does not possess the purpose of the effect of automatic erasing characters, the utility model provides a following technical scheme: a novel comprehensive mechanical teaching aid comprises a supporting seat, wherein connecting rods are fixedly arranged on the left side and the right side of the bottom of the supporting seat, connecting seats are movably arranged at the bottom ends of the two connecting rods, supporting rods are fixedly arranged on the front surface and the back surface of the bottom of the two connecting seats, a rotating wheel is fixedly arranged at the bottom of each supporting rod, a stabilizing rod is fixedly arranged between the two opposite supporting rods, a plate body is fixedly arranged at the top of the supporting seat, a groove is formed in the front surface of the plate body, an eraser is movably arranged in the groove, a movable rod is fixedly arranged at the right end of the eraser, a mounting box is fixedly arranged at the top of the supporting seat and positioned at the right side of the plate body, a sliding opening is formed in the left side of the mounting box, fixing bolts are connected to the tops of the outer, with one side two fixed mounting has the connecting plate between the bracing piece, the right side fixed mounting of mounting box has driving motor, driving motor's output shaft fixed mounting has the pivot, the outside movable mounting of pivot has the connection rope.

Preferably, the bottom ends of the two connecting rods sequentially penetrate through the two connecting seats and extend to the lower portions of the connecting seats, and the back face of the blackboard eraser is in close contact with the front face of the board body.

Preferably, the bayonet socket has been seted up on the right side of plate body, the right-hand member of movable rod runs through bayonet socket and sliding opening in proper order and extends to the inside of mounting box.

Preferably, the fixing bolt is located above the connecting seat, and the supporting bolt is located below the connecting seat.

Preferably, the stabilizer bar is fixedly installed between the two connecting plates, and the width of the supporting seat is greater than that of the plate body.

Preferably, the output shaft of the driving motor penetrates through the mounting box and extends to the inside of the mounting box, and the right end of the connecting rope is fixedly connected with the top of the movable rod.

(III) advantageous effects

Compared with the prior art, the utility model provides a novel comprehensive machinery teaching aid possesses following beneficial effect:

the novel comprehensive mechanical teaching aid is characterized in that the plate body is arranged, when the mechanical teaching aid is used, if the teaching aid needs to be adjusted in height, the height of the connecting rod can be changed by only rotating the fixing bolt and the supporting bolt, so that the connecting rod moves upwards or downwards above the connecting seat, the height of the plate body is changed, the height of a blackboard can be changed, students with different heights can use the blackboard, the rotating wheel is arranged at the bottom of the supporting rod, the plate body is more convenient to move, and after writing of characters is completed, the characters on the front surface of the plate body need to be erased completely, at the moment, the power switch of the driving motor can be started, the output shaft of the driving motor drives the rotating shaft to rotate, the rotating shaft drives the connecting rope outside the rotating shaft to be tightened or unfolded when rotating, so that the connecting rope drives the movable rod to move upwards or downwards in the sliding opening, the movable rod can drive the blackboard eraser to move upwards or downwards in the groove when moving, the front characters of the blackboard body are erased completely, the effect of automatically erasing the blackboard is effectively achieved, the characters on the teaching aid can be quickly erased, and the use of a user is facilitated.

Drawings

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

fig. 2 is a left side view of the present invention;

fig. 3 is an enlarged view of the structure at a position of the present invention.

In the figure: the blackboard eraser comprises a supporting seat 1, a connecting rod 2, a connecting seat 3, a supporting rod 4, a rotating wheel 5, a stabilizing rod 6, a plate body 7, a groove 8, a blackboard eraser 9, a movable rod 10, a mounting box 11, a sliding opening 12, a fixing bolt 13, a supporting bolt 14, a connecting plate 15, a driving motor 16, a rotating shaft 17 and a connecting rope 18.

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.

Referring to fig. 1-3, a novel comprehensive mechanical teaching aid comprises a supporting seat 1, connecting rods 2 are fixedly mounted on the left side and the right side of the bottom of the supporting seat 1, connecting seats 3 are movably mounted at the bottom ends of the two connecting rods 2, supporting rods 4 are fixedly mounted on the front and the back of the bottoms of the two connecting seats 3, a rotating wheel 5 is fixedly mounted at the bottom of each supporting rod 4, a stabilizing rod 6 is fixedly mounted between the two opposite supporting rods 4, a plate body 7 is fixedly mounted at the top of the supporting seat 1, a groove 8 is formed in the front of the plate body 7, an eraser 9 is movably mounted in the groove 8, the bottom ends of the two connecting rods 2 sequentially penetrate through the two connecting seats 3 and extend to the lower side of the connecting seat 3, the back of the eraser 9 is in close contact with the front of the plate body 7, a movable rod 10 is fixedly mounted at the right end, a sliding opening 12 is formed in the left side of the mounting box 11, a bayonet is formed in the right side of the plate body 7, the right end of the movable rod 10 sequentially penetrates through the bayonet and the sliding opening 12 and extends into the mounting box 11, fixing bolts 13 are connected to the tops of the outer sides of the two support rods 4 in a threaded manner, supporting bolts 14 are connected to the bottoms of the outer sides of the two support rods 4 in a threaded manner, the fixing bolts 13 are located above the connecting seat 3, the supporting bolts 14 are located below the connecting seat 3, a connecting plate 15 is fixedly installed between the two support rods 4 on the same side, the stabilizer bar 6 is fixedly installed between the two connecting plates 15, the width of the supporting seat 1 is larger than that of the plate body 7, a driving motor 16 is fixedly installed on the right side of the mounting box 11, the model of the driving motor 16 can be R-FFK10VAV-08130, a rotating shaft, the output shaft of the driving motor 16 penetrates through the mounting box 11 and extends to the inside of the mounting box 11, the right end of the connecting rope 18 is fixedly connected with the top of the movable rod 10, when the mechanical teaching aid is used, if the teaching aid needs to be subjected to height adjustment, only the fixing bolt 13 and the supporting bolt 14 need to be rotated to change the height of the connecting rod 2, so that the connecting rod 2 moves upwards or downwards above the connecting seat 3, the height of the plate body 7 is changed, the height of a blackboard can be changed, students with different heights can use the blackboard, the rotating wheel 5 is arranged at the bottom of the supporting rod 4, the plate body 7 is more convenient to move, after the writing of characters is completed, the characters on the front side of the plate body 7 need to be erased completely, the power switch of the driving motor 16 can be started at the moment, and the output shaft of the driving motor 16 drives the rotating shaft 17 to rotate, the pivot 17 will drive the connection rope 18 in the pivot 17 outside and tighten up or expand when the pivoted for connecting rope 18 and driving movable rod 10 upwards or move down in the inside of sliding opening 12, movable rod 10 will drive blackboard eraser 9 upwards or move down in the inside of recess 8 when removing, it is clean to erase the positive characters of plate body 7, the effectual effect of erasing the blackboard automatically that has reached, the characters on the erasing teaching aid that can be quick, user's use has been made things convenient for.

When the blackboard eraser is used, when a mechanical teaching aid is used, if the teaching aid needs to be adjusted in height, the height of the connecting rod 2 can be changed by only rotating the fixing bolt 13 and the supporting bolt 14, so that the connecting rod 2 moves upwards or downwards above the connecting seat 3, the height of the blackboard body 7 can be changed, the height of the blackboard can be changed, students with different heights can use the blackboard eraser, the rotating wheel 5 is arranged at the bottom of the supporting rod 4, the blackboard eraser is more convenient to move when the blackboard body 7 is moved, and after writing characters is finished, the characters on the front surface of the blackboard body 7 need to be completely erased, at the moment, a power switch of the driving motor 16 can be started, an output shaft of the driving motor 16 drives the rotating shaft 17 to rotate, the rotating shaft 17 drives the connecting rope 18 outside the rotating shaft 17 to tighten or expand when rotating, so that the connecting rope 18 drives the movable rod 10 to move upwards or downwards in the sliding opening 12, when the movable rod 10 moves, the eraser 9 will be driven to move upwards or downwards inside the groove 8, so as to erase the characters on the front surface of the plate body 7.

In conclusion, the novel comprehensive mechanical teaching aid is provided with the plate body 7, when the mechanical teaching aid is used, if the teaching aid needs to be adjusted in height, the height of the connecting rod 2 is changed by only rotating the fixing bolt 13 and the supporting bolt 14, so that the connecting rod 2 moves upwards or downwards above the connecting seat 3, the height of the plate body 7 is changed, the height of a blackboard can be changed, students with different heights can use the novel comprehensive mechanical teaching aid, the rotating wheel 5 is installed at the bottom of the supporting rod 4, the plate body 7 is more convenient to move, after writing is completed, the front characters of the plate body 7 need to be erased completely, at the moment, the power switch of the driving motor 16 can be started, the output shaft of the driving motor 16 drives the rotating shaft 17 to rotate, the rotating shaft 17 drives the connecting rope 18 outside the rotating shaft 17 to be tightened or unfolded when rotating, make and connect rope 18 to drive movable rod 10 upwards or move down in the inside of sliding opening 12, movable rod 10 will drive blackboard eraser 9 upwards or move down in the inside of recess 8 when removing, it is clean to erase the positive characters of plate body 7, the effectual effect of erasing the blackboard automatically that has reached, the characters on the teaching aid of erasing that can be quick, user's use has been made things convenient for, traditional blackboard teaching aid simple structure has been solved, there is a great deal of inconvenience at the in-process that uses, and do not have the problem of the effect of erasing the characters automatically.

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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 novel comprehensive machinery teaching aid, includes supporting seat (1), its characterized in that: the novel blackboard eraser is characterized in that connecting rods (2) are fixedly mounted on the left side and the right side of the bottom of the supporting seat (1), connecting seats (3) are movably mounted on the bottom ends of the two connecting rods (2), supporting rods (4) are fixedly mounted on the front and the back of the bottom of the two connecting seats (3), a rotating wheel (5) is fixedly mounted on the bottom of each supporting rod (4), a stabilizing rod (6) is fixedly mounted between the two opposite supporting rods (4), a board body (7) is fixedly mounted on the top of the supporting seat (1), a groove (8) is formed in the front of the board body (7), a blackboard eraser (9) is movably mounted in the groove (8), a movable rod (10) is fixedly mounted at the right end of the blackboard eraser (9), a mounting box (11) is fixedly mounted at the top of the supporting seat (1) and positioned on the right side of the board body (7, two equal threaded connection in top in bracing piece (4) outside has fixing bolt (13), two equal threaded connection in bottom in bracing piece (4) outside has supporting bolt (14), with one side two fixed mounting has connecting plate (15) between bracing piece (4), the right side fixed mounting of mounting box (11) has driving motor (16), the output shaft fixed mounting of driving motor (16) has pivot (17), the outside movable mounting of pivot (17) has connection rope (18).

2. A novel comprehensive mechanical teaching aid as claimed in claim 1, wherein: the bottom ends of the two connecting rods (2) sequentially penetrate through the two connecting seats (3) and extend to the lower portions of the connecting seats (3), and the back face of the blackboard eraser (9) is in close contact with the front face of the board body (7).

3. A novel comprehensive mechanical teaching aid as claimed in claim 1, wherein: the bayonet socket has been seted up on the right side of plate body (7), the right-hand member of movable rod (10) runs through bayonet socket and sliding opening (12) in proper order and extends to the inside of mounting box (11).

4. A novel comprehensive mechanical teaching aid as claimed in claim 1, wherein: the fixing bolt (13) is located above the connecting seat (3), and the supporting bolt (14) is located below the connecting seat (3).

5. A novel comprehensive mechanical teaching aid as claimed in claim 1, wherein: the stabilizer bar (6) is fixedly installed between the two connecting plates (15), and the width of the supporting seat (1) is larger than that of the plate body (7).

6. A novel comprehensive mechanical teaching aid as claimed in claim 1, wherein: an output shaft of the driving motor (16) penetrates through the mounting box (11) and extends into the mounting box (11), and the right end of the connecting rope (18) is fixedly connected with the top of the movable rod (10).