CN214873853U

CN214873853U - Convenient foreign language teaching demonstration teaching aid

Info

Publication number: CN214873853U
Application number: CN202120850621.4U
Authority: CN
Inventors: 郭晓
Original assignee: Xuzhou University of Technology
Current assignee: Xuzhou University of Technology
Priority date: 2021-04-24
Filing date: 2021-04-24
Publication date: 2021-11-26
Anticipated expiration: 2031-04-24

Abstract

The utility model discloses a convenient foreign language teaching demonstration teaching aid, including supporting seat, abutment sleeve, backup pad, fixed frame and teaching board, the surface of supporting seat has the abutment sleeve through the bolt fastening, sliding connection has the support column in the abutment sleeve, the surface of support column has the backup pad through the bolt fastening, the cavity has been seted up in the backup pad, the left side outer wall of backup pad has the suction fan through the bolt fastening, the right side outer wall of backup pad has rotating electrical machines through the bolt fastening, it is connected with adjusting screw to rotate through the bearing that bonds in the cavity of backup pad, adjusting screw passes through shaft coupling and rotating electrical machines's output shaft fixed connection, the surface of backup pad has fixed frame through the bolt fastening, rotate through the pivot in the fixed frame and be connected with the teaching board. This convenient foreign language teaching demonstration teaching aid not only can increase and write the area, can also go the chalk dust and carry out effectual absorption.

Description

Convenient foreign language teaching demonstration teaching aid

Technical Field

The utility model belongs to the technical field of teaching aid, concretely relates to convenient foreign language teaching demonstration teaching aid.

Background

In English teaching, the blackboard is an indispensable teaching aid, and the teacher writes the content of saying on the blackboard, and the student can study very directly perceivedly. However, the existing blackboard is generally single in design and can be used for writing on one surface, when writing contents are more, the blackboard needs to be repeatedly cleaned for next writing, more chalk dust can be generated in the process of writing by using chalks, and the chalk dust can pollute the classroom environment and cause certain damage to the health of teachers.

Therefore, in view of the current situation, it is urgently needed to design and produce a convenient demonstration teaching aid for foreign language teaching so as to meet the requirement of practical use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a convenient foreign language teaching demonstration teaching aid to solve the problem of proposing in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a convenient foreign language teaching demonstration teaching aid, which comprises a supporting seat, a supporting sleeve, a supporting plate, a fixing frame and a teaching plate, a support sleeve is fixed on the surface of the support seat through a bolt, a support column is connected in the support sleeve in a sliding way, a supporting plate is fixed on the surface of the supporting column through a bolt, a cavity is arranged in the supporting plate, a suction fan is fixed on the outer wall of the left side of the supporting plate through a bolt, an air inlet pipe of the suction fan extends into the cavity of the supporting plate, a rotating motor is fixed on the outer wall of the right side of the supporting plate through a bolt, an adjusting screw rod is rotatably connected in the cavity of the supporting plate through a bonded bearing, the adjusting screw passes through shaft coupling and rotating electrical machines's output shaft fixed connection, the surface of backup pad is fixed with fixed frame through the bolt, it is connected with the teaching board to rotate through the pivot in the fixed frame.

Preferably, a driving motor is fixed in the supporting sleeve through a bolt, a lifting screw rod is fixed on an output shaft of the driving motor through a coupler, a threaded hole is formed in the supporting column, and the lifting screw rod extends into the threaded hole of the supporting column and is in threaded connection with the supporting column.

Preferably, adjusting screw's outer wall threaded connection has the scraper blade, pass through the bolt fastening spacing post in the cavity of backup pad, the scraper blade slides in the outside of spacing post, a plurality of dust absorption holes have been seted up on the surface of backup pad, the blown down tank has been seted up to the bottom plate of backup pad, the bottom of backup pad has the collection box through magnet adsorption, the collection box is located the below of blown down tank.

Preferably, two fixed orificess have been seted up with the bottom symmetry at the top of teaching board, the guiding hole has been seted up on the surface of fixed frame, sliding connection has the fixed pin in the guiding hole of fixed frame, the top welded fastening of fixed pin has the regulating block, the outside cover of fixed pin is equipped with fixed spring, fixed spring's both ends respectively with fixed frame and regulating block welded fastening.

Preferably, the bottom of supporting seat has seted up the mounting groove, be fixed with two pneumatic cylinders through the bolt symmetry in the mounting groove of supporting seat, the bottom of pneumatic cylinder is fixed with the deflector through the bolt, the bottom four corners of deflector is fixed with four auto-lock universal wheels through the bolt symmetry.

The utility model discloses a technological effect and advantage: according to the convenient demonstration teaching aid for foreign language teaching, the teaching board is rotatably connected with the fixing frame through the rotating shaft, so that the teaching board can be turned over, writing on two sides of the teaching board is realized, the writing area is increased, and the blackboard erasing frequency is reduced; the suction fan sucks air into the cavity of the supporting plate to form negative pressure in the cavity of the supporting plate, so that chalk dust can be adsorbed into the cavity of the supporting plate when chalk writing is carried out, and the pollution of the chalk dust to the classroom environment and the harm to the health of teachers are reduced; drive adjusting screw through the rotating electrical machines and rotate to can drive the scraper blade round trip movement in the cavity of backup pad, can clear up chalk dust automatically, this convenient foreign language teaching demonstration teaching aid not only can increase and write the area, can also go chalk dust to carry out effectual absorption.

Drawings

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

FIG. 2 is a cross-sectional view of the support base of the present invention;

FIG. 3 is a cross-sectional view of a support sleeve and support post of the present invention;

fig. 4 is a partial cross-sectional view of a support plate of the present invention;

fig. 5 is a cross-sectional view of the fixing frame and the teaching board of the present invention;

fig. 6 is an enlarged view of a portion a in fig. 5 according to the present invention.

In the figure: the device comprises a supporting seat 1, a hydraulic cylinder 2, a guide plate 3, a supporting sleeve 4, a supporting column 5, a driving motor 6, a lifting screw 7, a supporting plate 8, a suction fan 9, a rotating motor 10, an adjusting screw 11, a scraping plate 12, a limiting column 13, a collecting box 14, a fixing frame 15, a teaching plate 16, a fixing pin 17 and a fixing spring 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.

Unless the direction is defined separately, the directions of up, down, left, right, front, back, etc. referred to herein are the directions of up, down, left, right, front, back, etc. in the drawings of the present invention, and are herein incorporated by reference.

The utility model provides a as shown in fig. 1-6 a convenient foreign language teaching demonstration teaching aid, including supporting seat 1, supporting sleeve 4, backup pad 8, fixed frame 15 and teaching board 16, there is supporting sleeve 4 on the surface of supporting seat 1 through the bolt fastening, sliding connection has support column 5 in the supporting sleeve 4, there is backup pad 8 on the surface of support column 5 through the bolt fastening, the cavity has been seted up in the backup pad 8, there is suction fan 9 on the left side outer wall of backup pad 8 through the bolt fastening, suction fan 9's model can select to be: RB-73D-1, the intake pipe of suction fan 9 extends to in the cavity of backup pad 8, the right side outer wall of backup pad 8 is fixed with rotating electrical machines 10 through the bolt, the model of rotating electrical machines 10 can be selected as: 2RK6A-A, an adjusting screw rod 11 is rotatably connected in a cavity of the supporting plate 8 through a bonded bearing, the adjusting screw rod 11 is fixedly connected with an output shaft of a rotating motor 10 through a coupler, a fixing frame 15 is fixed on the surface of the supporting plate 8 through bolts, and a teaching plate 16 is rotatably connected in the fixing frame 15 through a rotating shaft.

Specifically, a driving motor 6 is fixed in the supporting sleeve 4 through a bolt, and the type of the driving motor 6 can be selected as follows: the two-phase step motor of 86BYG, driving motor 6's output shaft is fixed with lifting screw 7 through the shaft coupling, threaded hole has been seted up in the support column 5, lifting screw 7 extends to the threaded hole of support column 5 and is connected with support column 5 threaded connection.

Specifically, adjusting screw 11's outer wall threaded connection has scraper blade 12, there is spacing post 13 through the bolt fastening in backup pad 8's the cavity, scraper blade 12 slides in spacing post 13's outside, a plurality of dust absorption holes have been seted up on backup pad 8's surface, the blown down tank has been seted up to backup pad 8's bottom plate, there is collection box 14 bottom backup pad 8 through magnet adsorption, collection box 14 is located the below of blown down tank.

Specifically, two fixed orificess have been seted up with the bottom symmetry at the top of teaching board 16, the guiding hole has been seted up on the surface of fixed frame 15, sliding connection has fixed pin 17 in the guiding hole of fixed frame 15, the top welded fastening of fixed pin 17 has the regulating block, the outside cover of fixed pin 17 is equipped with fixed spring 19, fixed spring 19's both ends respectively with fixed frame 15 and regulating block welded fastening.

Specifically, the mounting groove has been seted up to the bottom of supporting seat 1, be fixed with two pneumatic cylinders 2 through the bolt symmetry in the mounting groove of supporting seat 1, the bottom of pneumatic cylinder 2 is fixed with deflector 3 through the bolt, the bottom four corners of deflector 3 is fixed with four auto-lock universal wheels through the bolt symmetry.

Working principle, this convenient foreign language teaching demonstration teaching aid, when using, start driving motor 6, driving motor 6 drives lifting screw 7 and rotates, thereby drive support column 5 and remove in support sleeve 4, adjust teaching board 16 to suitable height, after the height adjustment of teaching board 16 is accomplished, write on teaching board 16 through the chalk, carry out english teaching, in the process of writing, start suction fan 9, suction fan 9 inhales to the cavity of backup pad 8, make the cavity of backup pad 8 form the negative pressure, when going on the chalk writing, can adsorb the chalk ash and carry out in the cavity of backup pad 8, reduce the pollution of chalk ash to classroom environment and the harm to teacher's health, when writing ten thousand on one side of teaching board 16, upwards pull fixed pin 17, stretch fixed spring 19, make fixed pin 17 separate with the fixed orifices of teaching board 16, overturn the teaching board 16, behind the teaching board 16 upset, peg graft fixed pin 17 in the fixed orifices of teaching board 16 again, accomplish the fixed to teaching board 16, regularly start rotating electrical machines 10, rotating electrical machines 10 drives adjusting screw 11 and rotates to drive scraper blade 12 and remove in the cavity of backup pad 8, with chalk dust propelling movement to collecting box 14 in, accomplish the clearance to chalk dust.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a convenient foreign language teaching demonstration teaching aid, includes supporting seat (1), supporting sleeve (4), backup pad (8), fixed frame (15) and teaching board (16), its characterized in that: the surface of the supporting seat (1) is fixedly provided with a supporting sleeve (4) through bolts, the supporting sleeve (4) is internally and slidably connected with a supporting column (5), the surface of the supporting column (5) is fixedly provided with a supporting plate (8) through bolts, a cavity is formed in the supporting plate (8), the outer wall of the left side of the supporting plate (8) is fixedly provided with a suction fan (9) through bolts, an air inlet pipe of the suction fan (9) extends into the cavity of the supporting plate (8), the outer wall of the right side of the supporting plate (8) is fixedly provided with a rotating motor (10) through bolts, the cavity of the supporting plate (8) is rotatably connected with an adjusting screw rod (11) through a bonded bearing, the adjusting screw rod (11) is fixedly connected with an output shaft of the rotating motor (10) through a coupler, and the surface of the supporting plate (8) is fixedly provided with a fixing frame (15) through bolts, the inside of the fixed frame (15) is rotatably connected with a teaching board (16) through a rotating shaft.

2. A portable demonstration teaching aid for foreign language teaching as claimed in claim 1 wherein: there are driving motor (6) through the bolt fastening in support sleeve (4), the output shaft of driving motor (6) is fixed with lifting screw (7) through the shaft coupling, set up the screw hole in support column (5), lifting screw (7) extend to the threaded hole of support column (5) downthehole and support column (5) threaded connection.

3. A portable demonstration teaching aid for foreign language teaching as claimed in claim 1 wherein: the outer wall threaded connection of adjusting screw (11) has scraper blade (12), through bolt fastening spacing post (13) in the cavity of backup pad (8), scraper blade (12) slide in the outside of spacing post (13), a plurality of dust absorption holes have been seted up on the surface of backup pad (8), the blown down tank has been seted up to the bottom plate of backup pad (8), the bottom of backup pad (8) has collection box (14) through magnet adsorption, it is located the below of blown down tank to collect box (14).

4. A portable demonstration teaching aid for foreign language teaching as claimed in claim 1 wherein: two fixed orificess have been seted up with the bottom symmetry at the top of teaching board (16), the guiding hole has been seted up on the surface of fixed frame (15), sliding connection has fixed pin (17) in the guiding hole of fixed frame (15), the top welded fastening of fixed pin (17) has the regulating block, the outside cover of fixed pin (17) is equipped with fixed spring (19), the both ends of fixed spring (19) respectively with fixed frame (15) and regulating block welded fastening.

5. A portable demonstration teaching aid for foreign language teaching as claimed in claim 1 wherein: the bottom of supporting seat (1) has been seted up the mounting groove, be fixed with two pneumatic cylinders (2) through the bolt symmetry in the mounting groove of supporting seat (1), the bottom of pneumatic cylinder (2) is fixed with deflector (3) through the bolt, the bottom four corners of deflector (3) is fixed with four auto-lock universal wheels through the bolt symmetry.