CN210501988U

CN210501988U - Chinese teaching demonstrating board

Info

Publication number: CN210501988U
Application number: CN201920656377.0U
Authority: CN
Inventors: 强雪梅
Original assignee: Qiang Xuemei
Current assignee: Qiang Xuemei
Priority date: 2019-05-09
Filing date: 2019-05-09
Publication date: 2020-05-12
Anticipated expiration: 2029-05-09

Abstract

The utility model discloses a chinese teaching demonstrating board, including U type frame, the equal fixed mounting in U type frame top both sides has electric telescopic handle, and two electric telescopic handle's flexible end and demonstrating board's bottom both sides fixed connection, the positive both sides equidistance of demonstrating board are pasted and are equipped with a plurality of field word check, and the spout has all been seted up to U type frame inner wall both sides, two spouts respectively with demonstrating board both sides installation slider sliding connection, and the dust collecting vat has been seted up at the middle part on U type frame top. The utility model relates to a chinese teaching demonstrating board, the electric telescopic handle through the installation promotes the lift of demonstrating board, and the teaching of being convenient for through the lift of demonstrating board, the field word check that is equipped with through the demonstrating board surface, the chinese teaching of being convenient for drives the threaded rod through the miniature step motor of installation and rotates, rotates through the threaded rod and drives threaded sleeve reciprocating motion, and the brush through the installation of threaded sleeve bottom is convenient for clear out the inside dust of dust collecting vat.

Description

Chinese teaching demonstrating board

Technical Field

The utility model relates to a teaching demonstrating board, in particular to chinese teaching demonstrating board.

Background

At present, in the process of Chinese teaching, the writing methods of the structure, writing specification, stroke sequence, brush writing and pen writing of Chinese characters are one of important teaching contents, and the teaching blackboard writing of teachers is an important link of teaching and is the embodiment of teaching ideas of teachers.

The existing demonstrating board has the following defects in the using process, 1, the height of the demonstrating board can not be adjusted, and the Chinese teaching is influenced; 2. during the teaching process of the teaching board, the generated dust is not collected, so that the environmental pollution is easily caused; 3. the demonstrating board is inconvenient to move, and the use efficiency of the demonstrating board is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a chinese teaching demonstrating board to current demonstrating board height that proposes in solving above-mentioned background art can not be adjusted, influences the chinese teaching, and the demonstrating board is at the teaching in-process, and the dust of production does not have the collection, causes environmental pollution and the inconvenient removal of demonstrating board easily, influences the problem of demonstrating board's availability factor.

In order to achieve the above object, the utility model provides a following technical scheme: a Chinese teaching demonstration board comprises a U-shaped frame, wherein electric telescopic rods are fixedly mounted on two sides of the top end of the U-shaped frame, the telescopic ends of the electric telescopic rods are fixedly connected with two sides of the bottom end of the demonstration board, a plurality of grid-shaped grids are attached to two sides of the front surface of the demonstration board in an equidistant mode, sliding grooves are formed in two sides of the inner wall of the U-shaped frame, the two sliding grooves are respectively connected with sliding blocks mounted on two sides of the demonstration board in a sliding mode, a dust collecting groove is formed in the middle of the top end of the U-shaped frame, threaded rods are connected to two side groove walls of the dust collecting groove in an inserting mode through embedded bearings, one end of each threaded rod is connected with an output shaft of a micro stepping motor in a rotating mode, the micro stepping motor is fixedly mounted on one side groove wall of the dust collecting groove, a threaded sleeve is connected to the surface of each threaded, two the inside interlude of dust outlet is connected with out the dirt pipe, the equal fixed mounting in bottom both sides of U type frame has the free bearing, two the equal fixed mounting in one end of free bearing has the supporting leg.

As a preferred technical scheme of the utility model, two one side of free bearing all is equipped with two support frames with U type frame fixed connection, two that the position is relative alternate between the support frame and be equipped with the pivot, the middle part of pivot alternates and is connected with the gyro wheel.

As an optimized technical scheme of the utility model, the bottom fixed mounting of U type frame one side has the chalk to collect the box.

As an optimized technical scheme of the utility model, U type frame opposite side fixed mounting has the handle.

As a preferred technical scheme of the utility model, U type frame one side fixed mounting has flush mounting plate of switch, flush mounting plate of switch surface mounting has electric telescopic handle control switch and miniature step motor control switch, electric telescopic handle and miniature step motor are respectively through electric telescopic handle control switch and miniature step motor control switch and external power supply electric connection.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the electric telescopic rod is arranged to push the demonstrating board to lift, teaching is facilitated by lifting the demonstrating board, and Chinese teaching is facilitated by the field grids arranged on the surface of the demonstrating board;

2. the installed micro stepping motor drives the threaded rod to rotate, the threaded sleeve is driven to reciprocate through the rotation of the threaded rod, and dust in the dust collecting tank is conveniently cleaned out through the brush installed at the bottom end of the threaded sleeve;

3. through the free bearing of installation, the folding of supporting leg is convenient for, through the gyro wheel of installation, the removal of the U type frame of being convenient for.

Drawings

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

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

fig. 3 is a schematic view of a partial structure of the present invention.

In the figure: 1. a U-shaped frame; 2. hinging seat; 3. supporting legs; 4. a support frame; 5. a roller; 6. an electric telescopic rod; 7. a chalk collection box; 8. a teaching board; 9. a slider; 10. grid shaped; 11. a handle; 12. a dust outlet pipe; 13. a dust collecting tank; 14. a threaded rod; 15. a micro stepper motor; 16. a threaded sleeve; 17. a brush; 18. a chute.

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, the utility model provides a Chinese teaching demonstration board, which comprises a U-shaped frame 1, wherein both sides of the top end of the U-shaped frame 1 are fixedly provided with electric telescopic rods 6, the telescopic ends of the two electric telescopic rods 6 are fixedly connected with both sides of the bottom end of a demonstration board 8, both sides of the front surface of the demonstration board 8 are equidistantly provided with a plurality of grid grids 10, both sides of the inner wall of the U-shaped frame 1 are provided with chutes 18, the two chutes 18 are respectively connected with sliding blocks 9 arranged on both sides of the demonstration board 8 in a sliding manner, the middle part of the top end of the U-shaped frame 1 is provided with a dust collecting tank 13, both side walls of the dust collecting tank 13 are alternately connected with a threaded rod 14 through embedded bearings, one end of the threaded rod 14 is rotatably connected with an output shaft of a micro stepping motor 15, the micro stepping motor 15 is fixedly arranged on one side wall of the dust collecting tank 13, the, dust outlets have all been seted up to the tank bottom both sides of dust collecting vat 13, and the inside interlude of two dust outlets is connected with out dirt pipe 12, and the equal fixed mounting in bottom both sides of U type frame 1 has free bearing 2, and the equal fixed mounting in one end of two free bearings 2 has supporting leg 3.

Preferably, one side of two free bearings 2 all is equipped with two support frames 4 with 1 fixed connection of U type frame, and the interlude is equipped with the pivot between two support frames 4 relative in position, and the middle part interlude of pivot is connected with gyro wheel 5, through the gyro wheel 5 of installation, the removal of the teaching board 8 of being convenient for.

Preferably, a chalk collecting box 7 is fixedly arranged at the bottom of one side of the U-shaped frame 1, and the chalk is conveniently stored through the installed chalk collecting box 7.

Preferably, the handle 11 is fixedly arranged on the other side of the U-shaped frame 1, and the teaching board 8 is convenient to take and place through the arranged handle 11.

Preferably, one side of the U-shaped frame 1 is fixedly provided with a switch panel, the surface of the switch panel is provided with an electric telescopic rod control switch and a micro stepping motor control switch, and the electric telescopic rod 6 and the micro stepping motor 15 are respectively electrically connected with an external power supply through the electric telescopic rod control switch and the micro stepping motor control switch.

When the Chinese teaching demonstration board 8 is used, firstly, the U-shaped frame 1 is pushed to a designated position through the handle 11, then the supporting legs 3 are moved away through the hinged support 2, the U-shaped frame 1 is placed at the designated position, then a Chinese teacher writes on the surface of the demonstration board 8, when the Chinese teacher writes, the electric telescopic rod 6 is opened through the electric telescopic rod control switch, the demonstration board 8 is pushed to rise and fall through the electric telescopic rod 6, the Chinese teaching is facilitated, then the electric telescopic rod 6 is contracted to drive the demonstration board 8 to contract, dust on the surface of the demonstration board 8 falls into the dust collecting tank 13, then the micro stepping motor 15 is opened through the micro stepping motor control switch, the threaded rod 14 is driven to rotate through the micro stepping motor 15, the threaded rod 14 is driven to rotate to drive the threaded sleeve 16 to reciprocate on the surface of the threaded rod 14, the threaded sleeve 16 reciprocates on the surface of the threaded rod 14, the hairbrush 17 arranged at the bottom end of the threaded sleeve 16 sweeps dust in the dust collecting tank 13 into two sides of the dust collecting tank 13, and the dust is discharged out of the dust collecting tank 13 through the dust outlet pipe 12.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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. A Chinese teaching demonstration board comprises a U-shaped frame (1) and is characterized in that electric telescopic rods (6) are fixedly mounted on two sides of the top end of the U-shaped frame (1), the telescopic ends of the two electric telescopic rods (6) are fixedly connected with two sides of the bottom end of a demonstration board (8), a plurality of grid grids (10) are attached to two front sides of the demonstration board (8) in an equidistance mode, sliding grooves (18) are formed in two sides of the inner wall of the U-shaped frame (1), the two sliding grooves (18) are respectively in sliding connection with sliding blocks (9) mounted on two sides of the demonstration board (8), a dust collection groove (13) is formed in the middle of the top end of the U-shaped frame (1), threaded rods (14) are connected to two side groove walls of the dust collection groove (13) in an inserting mode through embedded bearings, one ends of the threaded rods (14) are rotatably connected with output shafts of miniature stepping motors (15), and the miniature stepping motors (15) are fixedly mounted on one, the surperficial threaded connection of threaded rod (14) has threaded sleeve (16), the bottom fixed mounting of threaded sleeve (16) has brush (17), the dust outlet has all been seted up to the tank bottom both sides of dust collecting vat (13), two the inside interlude of dust outlet is connected with out dirt pipe (12), the equal fixed mounting in bottom both sides of U type frame (1) has free bearing (2), two the equal fixed mounting in one end of free bearing (2) has supporting leg (3).

2. A chinese teaching demonstration board according to claim 1 wherein: two one side of free bearing (2) all is equipped with two support frames (4) with U type frame (1) fixed connection, two that the position is relative alternate between support frame (4) and be equipped with the pivot, the middle part of pivot alternates and is connected with gyro wheel (5).

3. A chinese teaching demonstration board according to claim 1 wherein: and a chalk collecting box (7) is fixedly arranged at the bottom of one side of the U-shaped frame (1).

4. A chinese teaching demonstration board according to claim 1 wherein: and a handle (11) is fixedly arranged on the other side of the U-shaped frame (1).

5. A chinese teaching demonstration board according to claim 1 wherein: u type frame (1) one side fixed mounting has flush mounting plate of switch, flush mounting plate of switch surface mounting has electric telescopic handle control switch and miniature step motor control switch, electric telescopic handle (6) and miniature step motor (15) are respectively through electric telescopic handle control switch and miniature step motor control switch and external power supply electric connection.