CN216119168U

CN216119168U - Chinese teaching demonstration equipment for middle and primary schools

Info

Publication number: CN216119168U
Application number: CN202122444676.8U
Authority: CN
Inventors: 易群梅
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-03-22
Anticipated expiration: 2031-10-11

Abstract

The utility model belongs to the technical field of teaching equipment, and particularly relates to Chinese teaching demonstration equipment for primary and secondary schools, aiming at the problem that teaching demonstration cannot be carried out in all directions during teaching demonstration of Chinese teaching demonstration equipment for primary and secondary schools in the prior art, so that the teaching quality is reduced. The height of the Chinese teaching demonstration board for middle and primary schools is adjusted, so that different requirements can be met, the demonstration board can be driven to rotate in a reciprocating mode, and synchronous angle display can be achieved.

Description

Chinese teaching demonstration equipment for middle and primary schools

Technical Field

The utility model relates to the technical field of teaching equipment, in particular to primary and secondary school Chinese teaching demonstration equipment.

Background

The Chinese is a profound discipline, and is a Chinese and Chinese tool for people to mutually exchange ideas, the well-learned Chinese is very important for people, the well-learned Chinese is important for people, the well-learned Chinese, the learning interest, the good learning habit and the like are all very important, most students feel that the learning Chinese is a very boring thing, mainly because most of the commonly learned Chinese is purely written, the language looks boring and tasteless, and especially for pupils just beginning to learn, the teacher properly adds pictures to demonstrate more importantly in class.

In the prior art, the Chinese teaching demonstration equipment for primary and secondary schools cannot carry out teaching demonstration in all directions during teaching demonstration, so that the teaching quality is reduced, and therefore the Chinese teaching demonstration equipment for primary and secondary schools is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that teaching demonstration equipment for Chinese teaching in primary and secondary schools in the prior art cannot carry out teaching demonstration in all directions during teaching demonstration, so that the teaching quality is reduced, and provides the Chinese teaching demonstration equipment for the primary and secondary schools.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a middle and primary school Chinese teaching demonstration device comprises a base, a demonstration board and a frame body, wherein a screw rod is rotatably installed at the top of the base, a threaded hole is formed in the bottom of the frame body, the screw rod is in threaded connection with the inside of the threaded hole, a knob is fixedly installed at the top end of the screw rod, a mounting hole is formed in the top of the frame body, a rotating shaft is rotatably installed in the mounting hole, a placing frame is fixedly installed at the top end of the rotating shaft, the demonstration board is placed in the placing frame, a first bevel gear is fixedly installed on the rotating shaft, a mounting plate is fixedly installed on one side of the top of the frame body, a transverse hole is formed in one side of the mounting plate, a transverse shaft is rotatably installed in the transverse hole, a second bevel gear and a transmission gear are respectively and fixedly installed at two ends of the transverse shaft, the first bevel gear is meshed with the second bevel gear, a transverse groove is formed in one side of the frame body, and a sliding plate is slidably installed in the transverse groove, the top fixed mounting of slide has the rack, and the rack meshes with drive gear mutually, and the equal fixed mounting in both sides has the round bar around the slide, and the outside of round bar is rotated and has been cup jointed the connecting plate, one side fixed mounting of framework has two curb plates, and one side that two curb plates are close to each other is rotated and is connected with same connecting axle, and worm wheel and two carousels have been cup jointed to the outside of connecting axle is fixed, and the equal fixed mounting in one side that two carousels kept away from each other has the circle axle, and two connecting plates rotate respectively and cup joint in the outside of the circle axle that corresponds, fixed mounting has the motor on the lateral wall of framework, fixedly connected with worm on the output shaft of motor, the worm meshes with the worm wheel mutually.

Preferably, the top of the base is fixedly provided with a fixing plate, the bottom of the frame body is provided with a guide hole, and the fixing plate is connected in the guide hole in a sliding manner.

Preferably, the four corners of the bottom of the base are fixedly provided with a support, and the support is rotatably provided with rollers.

Preferably, the same limiting rod is fixedly connected to the inner wall of the top and the inner wall of the bottom of the transverse groove, and the sliding plate is sleeved on the outer side of the limiting rod in a sliding mode.

Preferably, the bolt rods are installed on the two sides of the placing frame in a threaded mode, and one ends of the two bolt rods are movably abutted to the two sides of the demonstration board respectively.

Preferably, the bottom end of the rotating shaft is fixedly provided with a baffle, and the baffle is movably abutted against the inner wall of the bottom of the frame body.

According to the Chinese teaching demonstration device for the middle and primary schools, the demonstration board is placed in the placing frame, the two bolt rods are screwed to fix the demonstration board, the screw rod is driven to rotate through the rotary knob, the screw rod is in threaded transmission with the threaded hole, and the frame body is driven to move up and down under the guiding action of the fixing plate, so that the demonstration board is adjusted in height;

according to the Chinese teaching demonstration device for middle and primary schools, a motor is started, a worm is fixedly connected to an output shaft of the motor, the worm is meshed with a worm wheel to drive a connecting shaft and two rotating discs to rotate, so that the two circular shafts are driven to do circular motion, the two circular shafts respectively drive a sliding plate and a rack to do reciprocating motion up and down through corresponding connecting plates, the rack drives a cross shaft to do reciprocating motion through meshing with a transmission gear, the cross shaft drives a rotating shaft to do reciprocating motion through meshing of a second bevel gear and a first bevel gear, and the rotating shaft drives a demonstration board to do reciprocating motion through a placing frame, so that the demonstration board can perform demonstration at different angles, and the demonstration effect is improved;

the utility model has reasonable structural design, can conveniently meet different requirements by adjusting the height of the Chinese teaching demonstration board of middle and primary schools, and can drive the demonstration board to rotate in a reciprocating way, thereby being capable of carrying out synchronous angle display work and having high reliability.

Drawings

FIG. 1 is a schematic perspective view of a Chinese teaching demonstration device for primary and secondary schools according to the present invention;

FIG. 2 is a schematic cross-sectional structural diagram of a Chinese teaching demonstration device for primary and secondary schools according to the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 1;

fig. 4 is a partially enlarged view of a portion B in fig. 2.

In the figure: 1. a base; 2. a demonstration board; 3. placing the frame; 4. a rotating shaft; 5. a frame body; 6. a fixing plate; 7. A bolt shank; 8. a screw rod; 9. a motor; 10. a worm; 11. a connecting shaft; 12. a worm gear; 13. a connecting plate; 14. a circular shaft; 15. a turntable; 16. a transverse slot; 17. a slide plate; 18. a rack; 19. a transmission gear; 20. A horizontal axis; 21. a first bevel gear; 22. a second bevel gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a middle and primary school Chinese teaching demonstration device, comprising a base 1, a demonstration board 2 and a frame body 5, wherein a screw rod 8 is rotatably installed at the top of the base 1, a threaded hole is formed at the bottom of the frame body 5, the screw rod 8 is screwed in the threaded hole, a knob is fixedly installed at the top end of the screw rod 8, a mounting hole is formed at the top end of the frame body 5, a rotating shaft 4 is rotatably installed in the mounting hole, a placing frame 3 is fixedly installed at the top end of the rotating shaft 4, the demonstration board 2 is placed in the placing frame 3, a first bevel gear 21 is fixedly installed on the rotating shaft 4, a mounting plate is fixedly installed at one side of the top of the frame body 5, a transverse hole is formed at one side of the mounting plate, a transverse shaft 20 is rotatably installed in the transverse hole, a second bevel gear 22 and a transmission gear 19 are respectively fixedly installed at two ends of the transverse shaft 20, the first bevel gear 21 is engaged with the second bevel gear 22, and a transverse groove 16 is formed at one side of the frame body 5, sliding installation has slide 17 in the transverse groove 16, slide 17's top fixed mounting has rack 18, rack 18 meshes with drive gear 19 mutually, and the equal fixed mounting in both sides has the round bar around slide 17, the outside of round bar is rotated and is cup jointed connecting plate 13, one side fixed mounting of framework 5 has two curb plates, one side that two curb plates are close to each other is rotated and is connected with same connecting axle 11, the fixed cover in the outside of connecting axle 11 has worm wheel 12 and two carousel 15, the equal fixed mounting in one side that two carousel 15 kept away from each other has round axle 14, two connecting plates 13 rotate respectively and cup joint in the outside of the round axle 14 that corresponds, fixed mounting has motor 9 on framework 5's the lateral wall, fixedly connected with worm 10 on motor 9's the output shaft, worm 10 meshes with worm wheel 12 mutually.

In the utility model, the top of the base 1 is fixedly provided with the fixing plate 6, the bottom of the frame body 5 is provided with the guide hole, and the fixing plate 6 is connected in the guide hole in a sliding manner to guide the frame body 5.

In the utility model, the four corners of the bottom of the base 1 are fixedly provided with the brackets, and the rollers are rotatably arranged in the brackets, so that the base 1 can be conveniently moved.

In the utility model, the same limiting rod is fixedly connected to the top inner wall and the bottom inner wall of the transverse groove 16, and the sliding plate 17 is slidably sleeved on the outer side of the limiting rod to guide and limit the sliding plate 17.

In the utility model, bolt rods 7 are respectively installed on both sides of the placing frame 3 in a threaded manner, and one ends of the two bolt rods 7 are respectively movably abutted against both sides of the demonstration board 2, so that the demonstration board 2 is conveniently positioned.

In the utility model, the bottom end of the rotating shaft 4 is fixedly provided with a baffle, and the baffle is movably abutted against the inner wall of the bottom of the frame body 5 to limit the rotating shaft 4.

In the utility model, when in use, the demonstration board 2 is placed in the placing frame 3, then the two bolt rods 7 are screwed to fix the demonstration board 2, then the screw rod 8 is driven to rotate by the rotating knob, the screw rod 8 drives the frame body 5 to perform lifting motion under the guiding action of the fixing plate 6 through the thread transmission with the threaded hole, so as to adjust the height of the demonstration board 2, then the worm 10 is fixedly connected on the output shaft of the motor 9 by starting the motor 9, the worm 10 drives the connecting shaft 11 and the two turntables 15 to rotate through the meshing with the worm wheel 12, so as to drive the two circular shafts 14 to perform circular motion, the two circular shafts 14 respectively drive the sliding plate 17 and the rack 18 to perform reciprocating motion up and down through the corresponding connecting plate 13, the rack 18 drives the transverse shaft 20 to perform reciprocating rotation through the meshing with the transmission gear 19, the transverse shaft 20 drives the rotating shaft 4 to perform reciprocating rotation through the meshing of the second bevel gear 22 and the first bevel gear 21, pivot 4 drives demonstration board 2 through placing frame 3 and reciprocates to make demonstration board 2 carry out the demonstration of different angles, promote the demonstration effect.

Claims

1. The Chinese teaching demonstration device for the middle and primary schools comprises a base (1), a demonstration board (2) and a frame body (5), and is characterized in that a lead screw (8) is installed at the top of the base (1) in a rotating mode, a threaded hole is formed in the bottom of the frame body (5), the lead screw (8) is connected into the threaded hole in a threaded mode, a knob is fixedly installed at the top end of the lead screw (8), a mounting hole is formed in the top of the frame body (5), a rotating shaft (4) is installed in the mounting hole in a rotating mode, a placing frame (3) is fixedly installed at the top end of the rotating shaft (4), a first bevel gear (21) is fixedly installed on the rotating shaft (4), a mounting plate is fixedly installed on one side of the top of the frame body (5), a transverse hole is formed in one side of the mounting plate, a transverse shaft (20) is installed in the transverse hole in a rotating mode, a second bevel gear (22) and a transmission gear (19) are fixedly installed at the two ends of the transverse shaft (20) respectively, the first bevel gear (21) is meshed with the second bevel gear (22), a transverse groove (16) is formed in one side of the frame body (5), a sliding plate (17) is arranged in the transverse groove (16) in a sliding mode, a rack (18) is fixedly arranged at the top of the sliding plate (17), the rack (18) is meshed with the transmission gear (19), round rods are fixedly arranged on the front side and the rear side of the sliding plate (17), a connecting plate (13) is sleeved on the outer side of each round rod in a rotating mode, two side plates are fixedly arranged on one side of the frame body (5), one side, close to each other, of each side plate is connected with the same connecting shaft (11) in a rotating mode, a worm wheel (12) and two turntables (15) are fixedly sleeved on the outer side of each connecting shaft (11), a round shaft (14) is fixedly arranged on one side, far away from each other, of each turntable (15), and the two connecting plates (13) are respectively connected to the outer sides of the corresponding round shafts (14) in a rotating mode, the side wall of the frame body (5) is fixedly provided with a motor (9), an output shaft of the motor (9) is fixedly connected with a worm (10), and the worm (10) is meshed with a worm wheel (12).

2. The primary and secondary school Chinese teaching demonstration device according to claim 1, wherein a fixing plate (6) is fixedly mounted at the top of the base (1), a guide hole is formed in the bottom of the frame body (5), and the fixing plate (6) is slidably connected in the guide hole.

3. The primary and secondary school Chinese teaching demonstration device according to claim 1, wherein four corners of the bottom of the base (1) are fixedly provided with brackets, and rollers are rotatably arranged in the brackets.

4. A middle and primary school chinese teaching demonstration device according to claim 1, wherein the same stop bar is fixedly connected to the top inner wall and the bottom inner wall of the transverse groove (16), and the sliding plate (17) is slidably sleeved on the outer side of the stop bar.

5. The primary and secondary school Chinese teaching demonstration device according to claim 1, wherein bolt rods (7) are respectively installed on two sides of the placing frame (3) in a threaded manner, and one ends of the two bolt rods (7) are respectively movably abutted against two sides of the demonstration board (2).

6. The middle and primary school Chinese teaching demonstration device according to claim 1, wherein a baffle is fixedly mounted at the bottom end of the rotating shaft (4), and the baffle is movably abutted against the inner wall of the bottom of the frame body (5).