CN214587634U

CN214587634U - Historical event demonstration model for history course teaching

Info

Publication number: CN214587634U
Application number: CN202120750360.9U
Authority: CN
Inventors: 蒋超群
Original assignee: Nanjing Xiaozhuang University
Current assignee: Nanjing Xiaozhuang University
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-11-02
Anticipated expiration: 2031-04-13

Abstract

The utility model discloses a historical affairs demonstration model is used in history class teaching, including installing the ball in pedestal lower surface four corners department, the last fixed surface of base is connected with the motor, the output fixedly connected with of motor and its synchronous pivoted threaded rod, but the surperficial threaded connection of threaded rod has the screw ring that the level reciprocated, the surface symmetry of screw ring is provided with and is used for supporting the backup pad of placing the box, the inside overlap joint of placing the box has the sand table that is used for teaching demonstration. This historical affairs demonstration model is used in history course teaching, through base, ball, motor, threaded rod, screw ring and the setting of placing box isotructure, the starter motor drives the threaded rod and rotates, makes the screw ring drive the backup pad and removes to can adjust the use height of sand table, simultaneously, turn over the apron and roll over in the surface of placing the box, can carry out effectual protection to the sand table after using again, and then improve the device's practicality.

Description

Historical event demonstration model for history course teaching

Technical Field

The utility model relates to a teaching technical field specifically is a historical affairs demonstration model is used in history class teaching.

Background

Teaching is a human-specific talent training activity consisting of teacher's teaching and student's learning. Through the activities, teachers purposefully, programmatically and organically guide students to learn and master cultural scientific knowledge and skills, and promote the improvement of the qualities of the students, so that the students become people required by the society.

Historical incident demonstration model is used in ideological and political theory teaching disclosed in chinese patent application publication specification CN 209525788U, this historical demonstration model is provided with protection housing and light for teaching, avoid the student to stop light too much, see unclear the inner structure, and be provided with the protection housing, avoid crowded cause demonstration model to damage, this historical demonstration model is provided with solar photovoltaic board and battery for teaching, can charge through the sunlight, reduce the electric power cost and drop into, this historical demonstration model is provided with the removal pulley for teaching, through placing the sand table platform on bearing the frame, through removing the recess removal of pulley on the guide rail, the demonstration model removes, the student of being convenient for closely observes, but still has following defect:

the height adjustment of the sand table platform is inconvenient in the actual use process, the protection effect of the sand table after use is poor, and therefore a historical event demonstration model for history course teaching is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a historical affairs demonstration model is used in history class teaching has solved the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a historical affairs demonstration model is used in history class teaching, is including installing the ball in the pedestal lower surface four corners department, the last fixed surface of base is connected with the motor, the output fixedly connected with of motor and its synchronous pivoted threaded rod, but the surperficial threaded connection of threaded rod has the screw ring that the level reciprocated, the surface symmetry of screw ring is provided with and is used for supporting the backup pad of placing the box, the inside overlap joint of placing the box has the sand table that is used for teaching demonstration, the both sides of placing the box upper surface all have the apron through hinge swing joint, the groove of writing that is used for the teaching is seted up to one side of apron, place the equal fixedly connected with in both sides that the box is positive and be used for adjusting the adjustment mechanism of apron use angle, the upper surface of placing the box has the protective frame that is used for protecting the sand table through spout swing joint.

Optionally, the upper surface of the supporting plate is fixedly connected to the surface of the placing box, and the number of the supporting plates is four.

Optionally, a bolt for adjusting the use height of the protective frame is connected to the surface of the placing box through threads.

Optionally, one end of the threaded rod is movably connected with a sleeve through a shaft seat, the lower surface of the sleeve is fixedly connected with a shell, and the lower surface of the shell is fixedly connected to the surface of the base.

Optionally, the adjusting mechanism includes an adjusting ring fixed on the surface of the placing box, a positioning bolt is inserted into the surface of the adjusting ring, one end of the positioning bolt is connected to the inside of the cover plate in a threaded manner, the positioning bolt is tightly attached to the surface of the adjusting ring, and the center of the adjusting ring and the axis of the cover plate during rotation are located on the same axis.

Optionally, the surface of the sleeve is provided with a movable groove matched with the supporting plate, and the other side of the cover plate is provided with a handle groove.

(III) advantageous effects

The utility model provides a history event demonstration model is used in history class teaching possesses following beneficial effect:

1. this historical affairs demonstration model is used in history course teaching, through base, ball, motor, threaded rod, screw ring and the setting of placing box isotructure, the starter motor drives the threaded rod and rotates, makes the screw ring drive the backup pad and removes to can adjust the use height of sand table, simultaneously, turn over the apron and roll over in the surface of placing the box, can carry out effectual protection to the sand table after using again, and then improve the device's practicality.

2. This historical affairs demonstration model is used in history course teaching, through the apron, write the groove, the setting of protective frame and bolt isotructure, it fixes it to rotate the bolt with protective frame rebound, can protect the sand table when using, simultaneously, turn over a apron in suitable angle, it fixes to rotate positioning bolt to it, thereby can adjust the angle of writing the groove, be convenient for the mr paste or write relevant teaching material and assist the teaching and use, and then improved the device's teaching effect, teacher's daily use has been made things convenient for.

Drawings

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

fig. 2 is a schematic diagram of a second structural configuration of the present invention;

FIG. 3 is a partially disassembled schematic view of the present invention;

FIG. 4 is a schematic sectional view of the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a base; 2. a ball bearing; 3. a motor; 4. a threaded rod; 5. a threaded ring; 6. placing the box; 7. a support plate; 8. a sand table; 9. a cover plate; 10. a writing slot; 11. a protective frame; 12. a bolt; 13. a sleeve; 14. a housing; 15. an adjusting ring; 16. and (6) positioning the bolt.

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.

Referring to fig. 1 to 5, the present invention provides a technical solution: a historical event demonstration model for history course teaching comprises balls 2 arranged at four corners of the lower surface of a base 1, the balls 2 facilitate the movement of the device, a motor 3 is fixedly connected to the upper surface of the base 1, a threaded rod 4 synchronously rotating with the motor 3 is fixedly connected to the output end of the motor 3, one end of the threaded rod 4 is movably connected with a sleeve 13 through a shaft seat, the surface of the sleeve 13 is provided with a movable groove matched with a support plate 7, the movable groove facilitates the movement of the support plate 7, the lower surface of the sleeve 13 is fixedly connected with a shell 14, the shell 14 can protect the motor 3, the lower surface of the shell 14 is fixedly connected to the surface of the base 1, the surface of the threaded rod 4 is in threaded connection with a threaded ring 5 capable of horizontally moving up and down, the support plate 7 for supporting a placing box 6 is symmetrically arranged on the outer surface of the threaded ring 5, and a bolt 12 for adjusting the use height of a protective frame 11 is in threaded connection with the surface of the placing box 6, one end of a bolt 12 is connected in the protective frame 11 in a threaded manner, the upper surface of the supporting plate 7 is fixedly connected on the surface of the placing box 6, the number of the supporting plates 7 is four, a sand table 8 for teaching demonstration is lapped in the placing box 6, the two sides of the upper surface of the placing box 6 are both movably connected with a cover plate 9 through hinges, one side of the cover plate 9 is provided with a writing groove 10 for teaching, the other side of the cover plate 9 is provided with a handle groove, the two front sides of the placing box 6 are both fixedly connected with an adjusting mechanism for adjusting the use angle of the cover plate 9, the upper surface of the placing box 6 is movably connected with the protective frame 11 for protecting the sand table 8 through a sliding groove, the adjusting mechanism comprises an adjusting ring 15 fixed on the surface of the placing box 6, a positioning bolt 16 is inserted in the surface of the adjusting ring 15, one end of the positioning bolt 16 is connected in the cover plate 9 in a threaded manner, and the positioning bolt 16 is tightly attached to the surface of the adjusting ring 15, therefore, the angle of the cover plate 9 can be fixed, when the angle of the cover plate 9 needs to be adjusted, the positioning bolt 16 is rotated to be not in contact with the adjusting ring 15, the cover plate 9 can be rotated, and the circle center of the adjusting ring 15 and the axis of the cover plate 9 in rotation are located on the same axis.

The electrical components appearing in the paper are all electrically connected with an external main controller and 220V mains supply, the main controller can be a conventional known device controlled by a computer and the like, detailed description of known functions and known components is omitted in the specific embodiment of the disclosure, and in order to ensure compatibility of the device, all adopted operation means are consistent with parameters of instruments in the market.

In summary, the operation steps of the historical event demonstration model for teaching the historical lessons are as follows;

1. when the sand table is used, a user starts the motor 3 to drive the threaded rod 4 to rotate, so that the threaded ring 5 drives the supporting plate 7 to move, the use height of the sand table 8 can be adjusted, meanwhile, the cover plate 9 is turned over on the surface of the placing box 6, and the sand table 8 can be effectively protected after being used;

2. turn over a apron 9 in suitable angle, rotate positioning bolt 16 and make it hug closely in the surface of adjustable ring 15 to can carry out effectual fixed to the angle of apron 9, and then can adjust the angle of writing groove 10, the teacher of being convenient for pastes or writes relevant teaching material and assists the teaching and use, with protective frame 11 rebound, rotates bolt 12 and fixes it, can protect sand table 8 when using.

The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and any person skilled in the art should be covered by the scope of protection of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the concept thereof, wherein the standard parts used can be purchased from the market, and can be customized according to the description of the specification and the drawings, the specific connection manner of each part adopts the conventional means of bolt, rivet, welding, etc. developed in the prior art, the machinery, parts and equipment all adopt the conventional models in the prior art, and the parts known to those skilled in the art, the structure and principle thereof can be known to the person skilled in the art through technical manuals or through conventional experimental methods in the description of the present invention, the terms "connect", "mount", "fix", "set" and the like are used in a broad sense, for example, the term "connect" may be a fixed connection or an indirect connection through intermediate components without affecting the relationship and technical effects of the components, or may be an integral connection or a partial connection, and as in this case, for a person skilled in the art, the specific meaning of the above terms in the present invention or the present invention can be understood according to specific situations.

Claims

1. The utility model provides a historical event demonstration model is used in teaching of historical lesson, is including installing ball (2) in base (1) lower surface four corners department, its characterized in that: the upper surface of the base (1) is fixedly connected with a motor (3), the output end of the motor (3) is fixedly connected with a threaded rod (4) which rotates synchronously with the motor, the surface of the threaded rod (4) is in threaded connection with a threaded ring (5) which can move up and down horizontally, the outer surface of the threaded ring (5) is symmetrically provided with supporting plates (7) for supporting the placing box (6), a sand table (8) for teaching demonstration is lapped inside the placing box (6), both sides of the upper surface of the placing box (6) are movably connected with cover plates (9) through hinges, one side of the cover plate (9) is provided with a writing groove (10) for teaching, the two sides of the front surface of the placing box (6) are fixedly connected with adjusting mechanisms for adjusting the use angle of the cover plate (9), the upper surface of the placing box (6) is movably connected with a protective frame (11) used for protecting the sand table (8) through a sliding groove.

2. The model of claim 1, wherein the historical event demonstration model for teaching the historical lessons comprises: the upper surface of the supporting plate (7) is fixedly connected to the surface of the placing box (6), and the number of the supporting plates (7) is four.

3. The model of claim 1, wherein the historical event demonstration model for teaching the historical lessons comprises: the surface of the placing box (6) is in threaded connection with a bolt (12) for adjusting the using height of the protective frame (11).

4. The model of claim 1, wherein the historical event demonstration model for teaching the historical lessons comprises: one end of the threaded rod (4) is movably connected with a sleeve (13) through a shaft seat, the lower surface of the sleeve (13) is fixedly connected with a shell (14), and the lower surface of the shell (14) is fixedly connected to the surface of the base (1).

5. The model of claim 1, wherein the historical event demonstration model for teaching the historical lessons comprises: the adjusting mechanism comprises an adjusting ring (15) fixed on the surface of the placing box (6), a positioning bolt (16) is inserted into the surface of the adjusting ring (15), one end of the positioning bolt (16) is connected to the inside of the cover plate (9) in a threaded mode, the positioning bolt (16) is tightly attached to the surface of the adjusting ring (15), and the circle center of the adjusting ring (15) and the axis of the cover plate (9) during rotation are located on the same axis.

6. The historical event demonstration model for teaching of historical lessons according to claim 4, wherein: the surface of the sleeve (13) is provided with a movable groove matched with the supporting plate (7), the other side of the cover plate (9) is provided with a handle groove, and the inside of the sand table (8) is lapped with a demonstration model.