CN213458567U

CN213458567U - Supplementary panel of giving lessons

Info

Publication number: CN213458567U
Application number: CN202022641196.6U
Authority: CN
Inventors: 杨萍萍
Original assignee: Nantong Institute of Technology
Current assignee: Nantong Institute of Technology
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-06-15
Anticipated expiration: 2030-11-16

Abstract

The utility model provides a supplementary panel of giving lessons relates to the teaching aid field of giving lessons, including base, backup pad and fixed frame, the backup pad is fixed in the upper surface geometric center department of base, fixed frame fixes the top geometric center department in the backup pad again, the both ends below symmetry of fixed frame is provided with two motor fixing bases, be equipped with three arriss upset panel in the fixed frame and be used for switching over the panel interface fast, three arriss upset panel below is equipped with the dust collecting box, the back of three arriss upset panel is equipped with the cleaning subassembly and is used for cleaing away the handwriting on the panel, and the utility model discloses a through setting up the triangular prism panel that can overturn, can write on three side, increase the actual usable floor area of panel, reduce the time of pausing panel, increase the efficiency of giving lessons; in addition, the arranged wiping component and the dust collecting box can avoid manual wiping, dust can be collected in a centralized manner, and adverse effects of the dust on human health are avoided.

Description

Supplementary panel of giving lessons

Technical Field

The utility model relates to a teaching aid field of giving lessons specifically is an auxiliary panel of giving lessons.

Background

The panel of giving lessons is along with the function is more and more complete, it is more and more convenient to use and is used for providing supplementary teaching aid for the teacher in more and more appearance in the classroom, satisfy student's study needs, the supplementary panel of giving lessons on the market is usually because usable floor area is less and need often to interrupt the teaching process and clean when the teacher uses, the efficiency of giving lessons is influenced, and if the school that uses the chalk to carry out the blackboard writing also can seriously influence the teacher's of giving lessons healthy in chalk dust splash when cleaning.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a supplementary panel of giving lessons to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a supplementary panel of giving lessons, includes base, backup pad and fixed frame, and the backup pad is fixed in the upper surface geometric centre department of base, fixed frame is fixed again in the top geometric centre department of backup pad, the both ends below symmetry of fixed frame is provided with two motor fixing bases, be equipped with three arris upset panel in the fixed frame and be used for the fast switch over panel interface, three arris upset panel below is equipped with the dust collecting box, the back of three arris upset panel is equipped with cleans the subassembly and is used for cleaing away the handwriting on the panel that has used.

Preferably, triangular prism panel includes a plurality of triangular prism panels, prismatic prism, carousel, pivot and servo motor one, the triangular prism panel is arranged by last to down according to fixed distance in proper order, the both ends classification of triangular prism panel is equipped with the connecting rod, the end at the connecting rod is fixed to the prismatic prism, the last equidistance of being equipped with three constant head tank on the carousel, the closed angle of prismatic prism and the constant head tank meshing of carousel, the carousel is the same with the quantity of triangular prism panel and is fixed in the pivot by last to arranging in proper order according to fixed distance down, the end of pivot is equipped with driven gear, the rotation of pivot both ends is installed in fixed frame, driven gear with install the driving gear meshing on servo motor one, servo motor one is fixed in the motor fixing base.

Preferably, the triangular prism panel and the axicon are installed in a staggered manner.

Preferably, the upper end of backup pad is equipped with mounting groove, the side of backup pad is equipped with the air cock mounting hole, air cock mounting hole inboard is equipped with the cassette, the dust collecting box is fixed in mounting groove, the side of dust collecting box is equipped with the aspirating hole, the aspirating hole corresponds and the coincidence of the two axis with the position of air cock mounting hole, the air cock mounting hole internal thread installs the air cock.

Preferably, clean the subassembly and clean board, belt pulley one, belt pulley two, servo motor two, guide arm and threaded rod including the wave, the working face that the board was cleaned to the wave corresponds two side settings of triangular prism panel, the wave is cleaned on the board passes through the installation through-hole sliding connection guide arm at the back, the intermediate position that the board back was cleaned to the wave is equipped with the screw hole, screw hole threaded connection is on the threaded rod, the both ends of guide arm are fixed in fixed frame, the one end of threaded rod is fixed with belt pulley one, the side of belt pulley one is equipped with the bearing of cup jointing on the threaded rod, and the threaded rod passes through the bearing and installs in fixed frame, belt pulley one is connected with belt pulley two through the belt, belt pulley two is fixed on servo motor two, servo motor two is installed

Preferably, a baffle is arranged behind the wiping component and fixed in the fixed frame.

Preferably, the lower end of the fixing frame is provided with a Y-shaped funnel hole.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model can realize the purpose of writing on three sides by arranging the rotatable triangular prism display board, increase the actual use area of the display board, reduce the time of cleaning the display board during the teaching and increase the teaching efficiency;

2. the utility model discloses a subassembly and dust collecting box are cleaned through the setting can avoid the manpower to carry out the panel and clean, and the dust after cleaning also can concentrate the collection, avoids the harmful effects that the dust caused to the health.

Drawings

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

FIG. 2 is a schematic structural view of the present invention with the fixing frame removed;

FIG. 3 is a schematic view of the structure of the back side of the utility model with the fixing frame removed;

FIG. 4 is an enlarged view of the structure at A in FIG. 2;

fig. 5 is a side view of the present invention;

fig. 6 is a top view of the present invention;

FIG. 7 is an enlarged view of the structure at G in FIG. 5;

FIG. 8 is an enlarged view of the structure at B in FIG. 3;

FIG. 9 is a cross-sectional view taken at D-D of FIG. 6;

fig. 10 is an enlarged view of the structure at F in fig. 9.

In the figure: 1-a base; 2-a support plate; 3-fixing the frame; 4-three-edged turnover display board; 5-dust collecting box; 6-a wiping component; 7-triangular prism panel; 8-axicon prism; 9-a turntable; 10-a rotating shaft; 11-a servo motor I; 12-a connecting rod; 13-positioning grooves; 14-a driven gear; 15-a drive gear; 16-motor fixing base; 17-mounting a groove; 18-air tap mounting hole; 19-a filter disc; 20-air extraction holes; 21-a suction nozzle; 22-a wavy wiper plate; 23-a first belt pulley; 24-pulley two; 25-a servo motor II; 26-a guide rod; 27-a threaded rod; 28-mounting through holes; 29-a threaded hole; 30-a bearing; 31-a belt; 32-a baffle; 33-funnel holes.

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 to 10, the present invention provides a technical solution: the utility model provides a supplementary panel of giving lessons, includes base 1, backup pad 2 and fixed frame 3, and backup pad 2 is fixed in the geometric center department of upper surface of base 1, fixed frame 3 is fixed again in the geometric center department of top of backup pad 2, the both ends below symmetry of fixed frame 3 is provided with two motor fixing base 16, be equipped with three-edged upset panel 4 in the fixed frame 3 and be used for the fast switch panel interface, three-edged upset panel 4 below is equipped with dust collecting box 5, the back of three-edged upset panel 4 is equipped with cleans subassembly 6 and is used for cleaing away the handwriting on the panel that has used.

In this embodiment, the triangular prism overturning exhibition plate 4 comprises a plurality of triangular prism exhibition plates 7, an axicon 8, a rotary table 9, a rotary shaft 10 and a servo motor 11, the triangular prism exhibition plates 7 are sequentially arranged from top to bottom according to a fixed distance, two ends of the triangular prism exhibition plates 7 are respectively provided with a connecting rod 12 in a classified manner, the axicon 8 is fixed at the tail end of the connecting rod 12, the equiangular triangular prism exhibition plates 9 are provided with three positioning grooves 13, the sharp corners of the axicon 8 are engaged with the positioning grooves 13 of the rotary table 9, the rotary table 9 and the triangular prism exhibition plates 7 are in the same number and are sequentially arranged and fixed on the rotary shaft 10 from top to bottom according to the fixed distance, the tail end of the rotary shaft 10 is provided with a driven gear 14, two ends of the rotary shaft 10 are rotatably installed in the fixed frame 3, the driven gear 14 is engaged with a driving gear 15 installed on the, the servo motor I11 is fixed in the motor fixing seat 16, the triangular prism display board 7 can rotate around the connecting rod 12, the side face of the written triangular prism is turned to the inner side, and the side face which is not written is turned to the outer side for subsequent writing.

In this embodiment, the triangular prism panel 7 and the axicon 8 are installed in a staggered manner, and the staggered angle of the triangular prism side surfaces of the triangular prism panel and the axicon 8 is 30 °.

In this embodiment, the upper end of backup pad 2 is equipped with mounting groove 17, the side of backup pad 2 is equipped with air cock mounting hole 18, air cock mounting hole 18 inboard is equipped with cassette 19, dust collecting box 5 is fixed in mounting groove 17, the side of dust collecting box 5 is equipped with aspirating hole 34, aspirating hole 34 corresponds and the coincidence of the two axis with the position of air cock mounting hole 18, air cock 21 is installed to air cock mounting hole 18 internal thread, will clean the dust that subassembly 6 cleaned down through the mode of taking out the air in dust collecting box 5 into the negative pressure from air cock 21 and concentrate the collection, avoids the dust to cause the harm to the human body.

In this embodiment, the wiping assembly 6 includes a wave-shaped wiping plate 22, a first belt pulley 23, a second belt pulley 24, a second servo motor 25, a guide rod 26 and a threaded rod 27, the working surface of the wave-shaped wiping plate 22 is disposed corresponding to two sides of the triangular prism panel 7, the wave-shaped wiping plate 22 is slidably connected to the guide rod 26 through a mounting through hole 28 on the back surface, a threaded hole 29 is disposed in the middle of the back surface of the wave-shaped wiping plate 22, the threaded hole 29 is threadedly connected to the threaded rod 27, two ends of the guide rod 26 are fixed in the fixing frame 3, a first belt pulley 23 is fixed at one end of the threaded rod 27, a bearing 30 sleeved on the threaded rod 27 is disposed on the side surface of the first belt pulley 23, the threaded rod 27 is mounted in the fixing frame 3 through the bearing 30, the first belt pulley 23 is connected to the second belt pulley 24, the second servo motor 25 is installed in the fixing frame 3, the threaded rod 27 is utilized to drive the wave-shaped wiping plate 22 to wipe the turned triangular prism display plate 7 back and forth, and writing after writing can be completely cleared.

In the present embodiment, a baffle 32 is provided behind the wiping unit 6, and the baffle 32 is fixed in the fixed frame 3.

In this embodiment, the lower end of the fixed frame 3 is provided with a "Y" shaped funnel hole 33, and the wiped dust flows through the funnel hole 33 to the dust collecting box 5.

The working principle is as follows: firstly, turning over one side surface of a triangular prism display board 7 which is not written to the outer side for writing, starting a servo motor I11 when the handwriting on the side surface needs to be cleared after writing, starting the servo motor I11 to drive a driving gear 15 to rotate, driving a rotating shaft 10 to rotate by a driven gear 14 meshed with the driving gear 15, starting a rotary table 9 arranged on the rotating shaft 10 to rotate, starting a rotary prism 8 meshed in one positioning groove 13 during the rotation process to drive the triangular prism display board 7 to rotate, turning over one side of the written display board into the inner side, turning over the side which is not written to the outer side for subsequent writing, then immediately starting a servo motor II 25 to drive a belt pulley II 24 to rotate, starting a belt pulley I23 connected with the belt pulley II 24 through a belt 31 to rotate together, driving a threaded rod 27 to rotate while rotating, and starting a wave-shaped wiping board 22 in threaded connection with the threaded rod 27 to move along the guide rod, the writing of writing on triangular prism panel 7 is wiped away in the time of the motion, if the dust that produces when using the writing of chalk to clean can be concentrated by the dust collecting box 5 that the negative pressure environment was formed to the suction nozzle 21 below bleeding, is equipped with cassette 19 in the air cock mounting hole 18 of the suction nozzle 21 other end, can prevent to bleed the time with the dust together taking out, cleans clean back servo motor two 25 and stops, waits for the upset of next round and cleans the work.

Based on the above, the rotatable triangular prism display board can realize the purpose of writing on three sides, the actual use area of the display board is increased, the time for wiping the display board during the teaching pause is reduced, and the teaching efficiency is increased; in addition, the wiping component and the dust collecting box can avoid manual display board wiping, and the wiped dust can be collected in a centralized manner, so that adverse effects of the dust on human health are avoided.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.

Claims

1. The utility model provides a supplementary panel of giving lessons, includes base (1), backup pad (2) and fixed frame (3), its characterized in that: the utility model discloses a three-in-one's exhibition board, including base (1), backup pad (2), fixed frame (3) are fixed again in the geometric center of top department of backup pad (2), the both ends below symmetry of fixed frame (3) is provided with two motor fixing bases (16), be equipped with three-edged upset panel (4) in fixed frame (3) and be used for the fast switch panel interface, three-edged upset panel (4) below is equipped with dust collecting box (5), the back of three-edged upset panel (4) is equipped with cleans subassembly (6) and is used for cleaing away the writing on the panel that has used.

2. A teaching assistance display board according to claim 1, wherein: the triangular prism overturning display board (4) comprises a plurality of triangular prism display boards (7), an axicon (8), a turntable (9), a rotating shaft (10) and a servo motor (11), wherein the triangular prism display boards (7) are sequentially arranged from top to bottom according to a fixed distance, connecting rods (12) are arranged at the two ends of the triangular prism display boards (7) in a classified mode, the axicon (8) is fixed at the tail ends of the connecting rods (12), three positioning grooves (13) are formed in the turntable (9) at equal angles, the sharp corners of the axicon (8) are meshed with the positioning grooves (13) of the turntable (9), the turntable (9) is the same as the triangular prism display boards (7) in quantity and is sequentially arranged and fixed on the rotating shaft (10) from top to bottom according to the fixed distance, a driven gear (14) is arranged at the tail end of the rotating shaft (10), and the two ends of the rotating shaft (10) are rotatably installed in the fixing frame (3), the driven gear (14) is meshed with a driving gear (15) arranged on a first servo motor (11), and the first servo motor (11) is fixed in a motor fixing seat (16).

3. A teaching assistance display board according to claim 2, wherein: the triangular prism display plate (7) and the axicon (8) are installed in a staggered mode.

4. A teaching assistance display board according to claim 1, wherein: the upper end of backup pad (2) is equipped with mounting groove (17), the side of backup pad (2) is equipped with air cock mounting hole (18), air cock mounting hole (18) inboard is equipped with cassette (19), dust collecting box (5) are fixed in mounting groove (17), the side of dust collecting box (5) is equipped with aspirating hole (20), aspirating hole (20) correspond with the position of air cock mounting hole (18) and the coincidence of the two axis, air cock (21) are installed to air cock mounting hole (18) internal thread.

5. A teaching assistance display board according to claim 2, wherein: clean subassembly (6) including the wave clean board (22), belt pulley (23), belt pulley two (24), servo motor two (25), guide arm (26) and threaded rod (27), the working face that the wave cleaned board (22) corresponds two side settings of triangular prism panel (7), the wave cleans board (22) through on back mounting hole (28) sliding connection guide arm (26), the intermediate position that the wave cleaned board (22) the back is equipped with screw hole (29), screw hole (29) threaded connection is on threaded rod (27), the both ends of guide arm (26) are fixed in fixed frame (3), the one end of fixed frame (27) is fixed with belt pulley (23), the side of belt pulley (23) is equipped with bearing (30) of cup jointing on threaded rod (27), threaded rod (27) are installed in fixed frame (3) through bearing (30), the first belt pulley (23) is connected with the second belt pulley (24) through a belt (31), the second belt pulley (24) is fixed on the second servo motor (25), and the second servo motor (25) is installed in the fixing frame (3).

6. A teaching assistance display board according to claim 5, wherein: a baffle (32) is arranged behind the wiping component (6), and the baffle (32) is fixed in the fixed frame (3).

7. A teaching assistance display board according to claim 1, wherein: the lower end of the fixed frame (3) is provided with a Y-shaped funnel hole (33).