CN215679770U

CN215679770U - Rotary teaching demonstration device for Chinese teaching

Info

Publication number: CN215679770U
Application number: CN202122351364.2U
Authority: CN
Inventors: 戚春辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-01-28
Anticipated expiration: 2031-09-27

Abstract

The utility model discloses a rotary teaching demonstration device for Chinese teaching, which comprises a base, a rotating mechanism, a rotating rod, a supporting mechanism and a demonstration board, wherein the rotating rod is movably connected inside the base, the rotating mechanism is arranged inside the base and positioned on one side of the rotating rod, a first gear is fixedly connected to the surface of the rotating rod, the supporting mechanism is arranged on the surface of the rotating rod, a plurality of limiting grooves are arranged inside the rotating rod, the demonstration board is fixedly connected to one end of the rotating rod, a plurality of fixing grooves are arranged on the upper surface of the base, and a plurality of fixing grooves are arranged; the rotating mechanism comprises a second gear, a rotary disc, a movable rod, a spring, a fixed block and a rotating rod, wherein the rotating rod is movably connected with one side of the rotating rod inside the base.

Description

Rotary teaching demonstration device for Chinese teaching

Technical Field

The utility model relates to the technical field of teaching devices, in particular to a rotary teaching demonstration device for Chinese teaching.

Background

The Chinese is a key teaching subject in a basic education course system, the teaching content is language culture, the operation form is also language culture, the Chinese ability is the basis for learning other subjects and science, and is also an important human and social science, and is a tool for people to mutually exchange ideas and the like;

but present chinese teaching is with teaching presentation device is mostly fixed inconvenient rotation to suitable angle when using and makes things convenient for teaching work and the inconvenient extension show plate size to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rotary teaching demonstration device for Chinese teaching, which is convenient for rotating angles and fixing operation, and is convenient for expanding the transverse area of a display board and supporting to facilitate teaching work.

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

a rotary teaching demonstration device for Chinese teaching comprises a base, a rotating mechanism, a rotating rod, a supporting mechanism and a display board, wherein the rotating rod is movably connected inside the base, the rotating mechanism is arranged inside the base and on one side of the rotating rod, the surface of the rotating rod is fixedly connected with a first gear, the supporting mechanism is arranged on the surface of the rotating rod, a plurality of limiting grooves are formed inside the rotating rod, one end of the rotating rod is fixedly connected with the display board, a fixing groove is formed in the upper surface of the base, and a plurality of fixing grooves are formed;

slewing mechanism includes second gear, carousel, movable rod, spring, fixed block and dwang, one side swing joint that the inside of base just is located the rotary rod has the dwang, the fixed surface of dwang is connected with the second gear, the one end fixedly connected with carousel of dwang, the inside swing joint of carousel has the movable rod, the one end fixedly connected with fixed block of movable rod, the lower surface of carousel just is located the fixed surface of movable rod and is connected with the spring.

As a further scheme of the utility model: the movable rod and the fixed block are both T-shaped, and the inner diameter of the fixed block is matched with the size of the fixed groove.

As a further scheme of the utility model: the first gear is meshed with the second gear, and one end of the spring is fixedly connected with the upper surface of the fixing block.

As a further scheme of the utility model: the inside swing joint of show board has the fly leaf, the one end fixedly connected with spacing of fly leaf, the side surface fixedly connected with handle of spacing.

As a further scheme of the utility model: the supporting mechanism comprises a sliding block, a fixing bolt and a connecting rod, the surface of the rotating rod is movably connected with the sliding block, the inside of the sliding block is movably connected with the fixing bolt, and the side surface of the sliding block is movably connected with the connecting rod.

As a further scheme of the utility model: one end of the connecting rod is movably connected with the lower surface of the limiting frame, and the size of the fixing bolt is matched with that of the limiting groove.

The utility model has the beneficial effects that:

1. according to the utility model, the rotating rod is matched with the first gear and the rotating mechanism, when the display board needs to rotate, the movable rod can be pulled to drive the fixed block to ascend, and the movable rod drives the rotating rod to rotate, the rotating rod rotates to drive the second gear to rotate, the second gear drives the first gear to rotate, the first gear drives the display board at one end to rotate to a proper angle, after the rotation is finished, the movable rod is loosened, the movable plate drives the fixed block to reset through the spring and limits the rotating disc through the fixed groove on the upper surface of the base to prevent the display board from moving, the use is convenient, the operation is simple, a user can conveniently rotate the display board according to own needs and conveniently limit the display board to prevent the display board from being shifted due to external factors;

2. according to the utility model, the supporting mechanism and the movable plate are matched with the limiting frame and the handle and the limiting groove, when a user needs to increase the area of the display plate, the limiting frame can be pulled by the handle to draw the movable plate out of the display plate, the sliding block is driven by the connecting rod to ascend on the surface of the rotating rod when the limiting frame moves, and after the movable plate moves to a proper position, the movable plate can be supported and limited by penetrating the rotating fixing bolt into the limiting groove.

Drawings

FIG. 1 is an overall perspective view of a rotary teaching demonstration apparatus for Chinese teaching according to the present invention;

FIG. 2 is an overall internal structural view of the rotary teaching demonstration apparatus for Chinese teaching according to the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2 of the entire rotary teaching demonstration apparatus for Chinese teaching according to the present invention;

illustration of the drawings: 1. a base; 2. a rotating mechanism; 3. rotating the rod; 4. a support mechanism; 5. a display board; 11. fixing grooves; 21. a second gear; 22. a turntable; 23. a movable rod; 24. a spring; 25. a fixed block; 26. rotating the rod; 31. a first gear; 32. a limiting groove; 41. a slider; 42. fixing the bolt; 43. a connecting rod; 51. a movable plate; 52. a limiting frame; 53. a handle.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Specific examples are given below.

Referring to fig. 1 to 3, a rotary teaching demonstration device for Chinese teaching, includes a base 1, a rotating mechanism 2, a rotating rod 3, a supporting mechanism 4 and a demonstration board 5, the inside of the base 1 is movably connected with the rotating rod 3, the rotating mechanism 2 is arranged inside the base 1 and on one side of the rotating rod 3, the surface of the rotating rod 3 is fixedly connected with a first gear 31, the surface of the rotating rod 3 is provided with the supporting mechanism 4, the inside of the rotating rod 3 is provided with a plurality of limiting grooves 32, the number of the limiting grooves 32 is plural, the limiting grooves are used for being matched with fixing bolts 42 to fix a sliding block 41, one end of the rotating rod 3 is fixedly connected with the demonstration board 5, the upper surface of the base 1 is provided with fixing grooves 11, the number of the fixing grooves 11 is plural, and the fixing blocks 25 are used for being matched with the fixing blocks to fix a rotating rod 26;

the rotating mechanism 2 comprises a second gear 21, a rotating disc 22, a movable rod 23, a spring 24, a fixed block 25 and a rotating rod 26, wherein the rotating rod 26 is movably connected inside the base 1 and positioned on one side of the rotating rod 3, the surface of the rotating rod 26 is fixedly connected with the second gear 21, the first gear 31 is meshed with the second gear 21, the rotating rod 3 is conveniently driven to rotate through the rotating rod 26, one end of the rotating rod 26 is fixedly connected with the rotating disc 22, the movable rod 23 is movably connected inside the rotating disc 22, one end of the movable rod 23 is fixedly connected with the fixed block 25, the movable rod 23 and the fixed block 25 are both in a T shape, the movable rod 23 is conveniently drawn in the T shape, the fixed block 25 is conveniently extruded in the T shape, the inner diameter of the fixed block 25 is matched with the size of the fixed groove 11, the rotating disc 22 can be fixed, the spring 24 is fixedly connected on the lower surface of the rotating disc 22 and positioned on the surface of the movable rod 23, one end of the spring 24 is fixedly connected with the upper surface of the fixed block 25, so that the tightness of the fixed block 25 is improved, and the fixed block 25 can be driven to reset;

supporting mechanism 4 includes slider 41, fixing bolt 42 and connecting rod 43, the surperficial swing joint of rotary rod 3 has slider 41, the inside swing joint of slider 41 has fixing bolt 42, conveniently carry out fixing slider 41 and prevent to take place to remove, fixing bolt 42's size and spacing groove 32's size phase-match, slider 41's side surface swing joint has connecting rod 43, be used for supporting fly leaf 51 and prevent to take place to empty, the one end of connecting rod 43 and spacing 52's lower surface swing joint, the inside swing joint of show board 5 has fly leaf 51, be used for increasing the transverse area of show board 5, the one end fixedly connected with spacing 52 of fly leaf 51, spacing 52's side surface fixedly connected with handle 53, conveniently stimulate fly leaf 51.

The working principle is as follows: when the display board 5 needs to rotate, the movable rod 23 can be pulled to drive the fixed block 25 to ascend and the movable rod 23 can be used to drive the rotating rod 26 to rotate, the rotating rod 26 rotates to drive the second gear 21 to rotate, the second gear 21 drives the first gear 31 to rotate, the first gear 31 drives the display board 5 at one end to rotate to a proper angle, after the rotation is completed, the movable rod 23 is loosened, the movable plate 51 drives the fixed block 25 to reset through the spring 24 and limit the rotating disc 22 through the fixed groove 11 on the upper surface of the base 1 to prevent the movement, when a user needs to increase the area of the display board 5, the handle 53 can pull the limiting frame 52 to draw the movable plate 51 out of the display board 5, the connecting rod 43 drives the sliding block 41 to ascend on the surface of the rotating rod 3 when the limiting frame 52 moves, and after the movable plate 51 moves to a proper position, the movable plate 51 may be supported and restrained by rotating the fixing bolt 42 to penetrate into the restraining groove 32.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A rotary teaching demonstration device for Chinese teaching, which is characterized by comprising a base (1), a rotating mechanism (2), a rotating rod (3), a supporting mechanism (4) and a display board (5), a rotating rod (3) is movably connected inside the base (1), a rotating mechanism (2) is arranged inside the base (1) and at one side of the rotating rod (3), a first gear (31) is fixedly connected to the surface of the rotating rod (3), a supporting mechanism (4) is arranged on the surface of the rotating rod (3), a plurality of limiting grooves (32) are arranged in the rotating rod (3), the number of the limiting grooves (32) is more than one, one end of the rotating rod (3) is fixedly connected with a display board (5), the upper surface of the base (1) is provided with a plurality of fixing grooves (11), and the number of the fixing grooves (11) is multiple;

slewing mechanism (2) include second gear (21), carousel (22), movable rod (23), spring (24), fixed block (25) and dwang (26), one side swing joint that the inside of base (1) just is located rotary rod (3) has dwang (26), the fixed surface of dwang (26) is connected with second gear (21), the one end fixedly connected with carousel (22) of dwang (26), the inside swing joint of carousel (22) has movable rod (23), the one end fixedly connected with fixed block (25) of movable rod (23), the lower surface of carousel (22) just is located the fixed surface of movable rod (23) and is connected with spring (24).

2. The rotary type education presentation device for Chinese language teaching according to claim 1 wherein the movable rod (23) and the fixed block (25) are both shaped as a T, and the inner diameter of the fixed block (25) is matched with the size of the fixed groove (11).

3. The rotary type teaching demonstration device for Chinese teaching according to claim 1 wherein said first gear (31) and said second gear (21) are engaged with each other, and one end of said spring (24) is fixedly connected to the upper surface of said fixed block (25).

4. The rotary type teaching demonstration device for Chinese teaching according to claim 1, wherein a movable plate (51) is movably connected to the inside of the demonstration plate (5), a limiting frame (52) is fixedly connected to one end of the movable plate (51), and a handle (53) is fixedly connected to the side surface of the limiting frame (52).

5. The rotary teaching demonstration device for Chinese teaching according to claim 1, wherein the supporting mechanism (4) comprises a sliding block (41), a fixing bolt (42) and a connecting rod (43), the surface of the rotating rod (3) is movably connected with the sliding block (41), the inside of the sliding block (41) is movably connected with the fixing bolt (42), and the side surface of the sliding block (41) is movably connected with the connecting rod (43).

6. The rotary type teaching demonstration device for Chinese teaching according to claim 5, wherein one end of the connecting rod (43) is movably connected with the lower surface of the limiting frame (52), and the size of the fixing bolt (42) is matched with the size of the limiting groove (32).