CN219154104U

CN219154104U - Teaching show board

Info

Publication number: CN219154104U
Application number: CN202222099169.XU
Authority: CN
Inventors: 张昀
Original assignee: Tourism College Of Changchun University
Current assignee: Tourism College Of Changchun University
Priority date: 2022-08-10
Filing date: 2022-08-10
Publication date: 2023-06-09
Anticipated expiration: 2032-08-10

Abstract

The utility model discloses a teaching display board, which belongs to the technical field of display boards and comprises a support, wherein an outer frame is rotationally connected to the inner wall of the support through a pin shaft, a display board is fixedly connected to the inner wall of the outer frame, a motor is fixedly connected to the inner wall of the outer frame, a first supporting plate is fixedly connected to the top of the outer frame, a first rotating shaft is fixedly connected to one end of an output shaft of the motor, the first rotating shaft is rotationally connected to the surface of the first rotating shaft through a bearing, a threaded column is fixedly connected to the other end of the first rotating shaft, the motor is operated through a control button, so that the threaded column is driven to rotate, the threaded cap is driven to move under the cooperation of the threaded column and the threaded cap, so that a connecting plate and a sliding sleeve are driven to slide on the surface of a sliding rod, the display board is driven to wipe, the pressure of the display board is automatically erased, and the spring telescopic rod is arranged, so that the pressure of the display board can be automatically adjusted.

Description

Teaching show board

Technical Field

The utility model relates to the technical field of display boards, in particular to a teaching display board.

Background

The japanese is closely related to chinese, and in ancient times (tangsheng), a large amount of ancient chinese vocabulary is affected by chinese culture, and a large number of chinese vocabulary is transferred into japan along with chinese characters from the north-northeast of china in the Bohai country and korea, etc., so that japanese teaching courses are developed in many schools or training institutions.

The display board for Japanese teaching disclosed in Chinese patent comprises the following components: CN211968993U, publication date: 20201120 through the blackboard eraser groove and the pen groove isotructure in the box of placing that sets up, be used for accomodating blackboard eraser and whiteboard pen, avoid because the teacher frequently removes or rotates the whiteboard and lead to blackboard eraser and whiteboard pen to drop, the fixed pin through setting up supports the show board main part, take place to slide when avoiding the teacher to write, cause the teacher to write inconvenient, however, the device does not possess automatic erasing function, because the mr will show the panel after writing full, need erase the content, in order to conveniently carry out following teaching, a lesson needs to clean a lot of content, more waste time, and if use the chalk to write, there is a large amount of dust entering mr's nasal cavity in the wiping process, can harm mr's health.

Disclosure of Invention

(1) Technical problem to be solved

Aiming at the defects existing in the prior art, the utility model aims to provide a teaching display board which has the characteristics of automatic erasing and dust collection.

(2) Technical proposal

In order to achieve the above purpose, the utility model provides a teaching demonstration board, which comprises a bracket, the support inner wall is rotationally connected with an outer frame through a pin shaft, the outer frame inner wall is fixedly connected with a display board, the outer frame inner wall is fixedly connected with a motor, the outer frame top is fixedly connected with a first supporting board, one end of a motor output shaft is fixedly connected with a first rotating shaft, the first rotating shaft is rotationally connected to the surface of the first rotating shaft through a bearing, the other end of the first rotating shaft is fixedly connected with a threaded column, the other end of the threaded column is fixedly connected with a second rotating shaft, the second rotating shaft is rotationally connected to the inner frame through a bearing, the threaded column surface is in threaded connection with a threaded cap, the top of the outer frame is fixedly connected with a limiting board, the threaded cap is in sliding connection with a connecting board, the side of the threaded cap is fixedly connected with a sliding bar, the bottom of the outer frame is fixedly connected with a second supporting board, the side of the second supporting board is fixedly connected with a sliding bar, the other end of the second supporting board is fixedly connected with the inner frame, the sliding bush is connected with the surface of the sliding bush, the lower surface of the first rotating shaft is fixedly connected with a plurality of spring rods, the lower surface of the connecting board is fixedly connected with a telescopic brush, the telescopic brush is fixedly connected with the other side of the telescopic brush, the other end is fixedly connected with the other side of the plastic hose, and is fixedly connected with the other side of the plastic hose.

Use when this technical scheme's a teaching show board, make motor work through controlling the button to it is rotatory to drive the screw thread post, under the cooperation of screw thread post and screw cap, make the screw cap remove, thereby drive connecting plate and sliding sleeve at the slide bar surface slip, drive and wipe the board and wipe the panel, thereby reach the function of automatic erasure, through setting up the spring telescopic link, can automatically regulated wipe the board to the pressure of panel, through setting up the brush, reset the in-process with the brush, thereby wipe the dust on board surface with wiping, the convenience wipes the board and carries out the wiping of next time.

Further, the filter component comprises a shell, the shell fixed connection is at the frame lower surface, shells inner wall fixedly connected with a plurality of first springs, a plurality of first spring other end fixedly connected with presss from both sides tight frame, press from both sides tight frame opposite side fixedly connected with sealed pad, the casing side is connected with the apron through the round pin axle rotation, apron surface fixedly connected with another sealed pad, apron surface threaded connection has the bolt, apron and shell pass through bolt fixed connection.

Further, frame one side is connected with first gear through round pin axle fixedly connected with, support one side is connected with the third pivot through the bearing rotation, third pivot surface transmission is equipped with the second gear, the second gear meshes with first gear mutually, third pivot one end fixedly connected with connecting rod, the dead lever has been cup jointed to the connecting rod lower extreme, the second spring has been cup jointed on the dead lever surface, dead lever surface fixedly connected with baffle, a plurality of spacing holes have been seted up to the support side, the dead lever surface is provided with the antislip strip.

Further, a plurality of floodlights are fixedly connected to the front face of the outer frame.

Further, the front of the outer frame is fixedly connected with a control button.

Further, the lower surface of the bracket is fixedly connected with a plurality of pulleys.

(3) Advantageous effects

In summary, the utility model has the following beneficial effects:

1. this teaching show board makes the motor work through controlling the button to drive the screw thread post and rotate, under the cooperation of screw thread post and screw thread cap, make the screw thread cap remove, thereby drive connecting plate and sliding sleeve and slide on the slide bar surface, drive the board of rubbing and clean the panel, thereby reach the function of automatic erasure, through setting up the spring telescopic link, can automatically regulated rub the board to the pressure of panel, through setting up the brush, in the board reset process of rubbing, rub the dust on board surface with the brush, make things convenient for the board of rubbing to wipe next time;

2. this teaching show board, work through the aspirator pump, make the breathing pipe produce suction under the effect of plastic hose, inhale the filter component with the dust through two induction ports in, thereby reach the purpose of automatic dust absorption, through setting up first spring and clamp frame, conveniently change the filter screen, through setting up sealed pad, prevent that the dust from getting into the aspirator pump from the gap in, cause the aspirator pump to damage, through setting up bolt and apron, conveniently seal the casing and filter screen change, through setting up the button of controlling, can control the floodlight, aspirator pump and motor, through setting up the pulley, conveniently remove the show board;

3. this teaching show board through extracting the dead lever from spacing downthehole, shakes the dead lever, drives the second gear rotation, through the meshing of first gear and second gear, makes the frame rotate under the effect of round pin axle to can adjust the viewing angle of panel, loosen the dead lever, make the dead lever insert spacing downthehole under the effect of second spring and baffle, spacing frame and panel, through setting up the antislip strip, prevent skidding when applying force to the dead lever, through setting up the astigmatic lamp, throw light on the panel when light on darkly.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the description of the embodiments or the prior art will be briefly described, and it is apparent that the drawings in the following description are only one embodiment of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a front cross-sectional structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A;

FIG. 3 is a schematic side sectional view of the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3B;

FIG. 5 is a schematic side view of the present utility model;

fig. 6 is an enlarged schematic view of fig. 5 at C.

The marks in the drawings are:

1. a bracket; 2. an outer frame; 3. a display board; 4. a motor; 5. a first support plate; 6. a first rotating shaft; 7. a threaded column; 8. a second rotating shaft; 9. a threaded cap; 10. a limiting plate; 11. a connecting plate; 12. a second support plate; 13. a slide bar; 14. a sliding sleeve; 15. a spring telescoping rod; 16. a rubbing plate; 17. a brush; 18. an air suction pipe; 19. a plastic hose; 20. a filter assembly; 201. a housing; 202. a first spring; 203. a clamping frame; 204. a sealing gasket; 205. a cover plate; 206. a bolt; 21. a getter pump; 22. a first gear; 23. a third rotating shaft; 24. a second gear; 25. a connecting rod; 26. a fixed rod; 27. a second spring; 28. a baffle; 29. a limiting hole; 30. an anti-slip strip; 31. a floodlight; 32. controlling the keys; 33. and (3) a pulley.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the present utility model easy to understand, the technical solutions in the embodiments of the present utility model are clearly and completely described below to further illustrate the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, not all versions.

Examples:

the utility model is described in further detail below with reference to fig. 1-6.

Referring to fig. 1-6, the present utility model provides a technical solution: a teaching display board comprises a bracket 1, wherein the inner wall of the bracket 1 is rotationally connected with an outer frame 2 through a pin shaft, the inner wall of the outer frame 2 is fixedly connected with a display board 3, the inner wall of the outer frame 2 is fixedly connected with a motor 4, the top of the outer frame 2 is fixedly connected with a first supporting plate 5, one end of an output shaft of the motor 4 is fixedly connected with a first rotating shaft 6, the first rotating shaft 6 is rotationally connected with the surface of the first rotating shaft 6 through a bearing, the other end of the first rotating shaft 6 is fixedly connected with a threaded column 7, the other end of the threaded column 7 is fixedly connected with a second rotating shaft 8, the second rotating shaft 8 is rotationally connected with the inner wall of the outer frame 2 through a bearing, the surface of the threaded column 7 is in threaded connection with a threaded cap 9, the top of the outer frame 2 is fixedly connected with a limiting plate 10, the threaded cap 9 is in sliding connection with the surface of the limiting plate 10, the side surface of the threaded cap 9 is fixedly connected with a connecting plate 11, the bottom of the outer frame 2 is fixedly connected with a second supporting plate 12, the side surface of the second supporting plate 12 is fixedly connected with a sliding rod 13, the other end of the sliding rod 13 is fixedly connected with the inner wall of the outer frame 2, the surface of the sliding rod 13 is slidably connected with a sliding sleeve 14, the other end of the connecting plate 11 is fixedly connected with the side surface of the sliding sleeve 14, the lower surface of the connecting plate 11 is fixedly connected with a plurality of spring telescopic rods 15, the other end of the spring telescopic rods 15 is fixedly connected with a scraping plate 16, the inner wall of the outer frame 2 is fixedly connected with a hairbrush 17, the upper surface of the hairbrush 17 is lapped on the lower surface of the scraping plate 16, the motor 4 is operated through a control button 32 so as to drive a threaded column 7 to rotate, under the cooperation of the threaded column 7 and a threaded cap 9, the threaded cap 9 is moved so as to drive the connecting plate 11 and the sliding sleeve 14 to slide on the surface of the sliding rod 13, the scraping plate 16 is driven to wipe the display plate 3, the automatic erasing function is achieved, the pressure of the scraping plate 16 to the display plate 3 can be automatically adjusted through the arrangement of the spring telescopic rods 15, through setting up brush 17, in the reset process of wipe board 16, rub with brush 17 to wipe the dust on wipe board 16 surface, make things convenient for wipe board 16 to carry out the wiping of next time.

The connecting plate 11 surface fixedly connected with breathing pipe 18, breathing pipe 18 are provided with two induction ports, and set up in the board 16 both sides of rubbing, and breathing pipe 18 side fixedly connected with plastic hose 19, plastic hose 19 overlap joint are in frame 2 bottom, and plastic hose 19 other end fixedly connected with filter unit 20, work through aspirator pump 21, make breathing pipe 18 produce suction under plastic hose 19's effect, inhale the filter unit 20 with the dust through two induction ports in to reach the purpose of automatic dust absorption.

The filter component 20 comprises a shell 201, the shell 201 is fixedly connected to the lower surface of an outer frame 2, a plurality of first springs 202 are fixedly connected to the inner wall of the shell 201, a clamping frame 203 is fixedly connected to the other ends of the first springs 202, a sealing pad 204 is fixedly connected to the other sides of the clamping frame 203, a cover plate 205 is rotatably connected to the side face of the shell 201 through a pin shaft, another sealing pad 204 is fixedly connected to the surface of the cover plate 205, a bolt 206 is connected to the surface of the cover plate 205 in a threaded manner, the cover plate 205 and the shell 201 are fixedly connected through the bolt 206, an air suction pump 21 is fixedly connected to the other side of the filter component 20, the filter screen is conveniently replaced through the first springs 202 and the clamping frame 203, dust is prevented from entering the air suction pump 21 from a gap through the sealing pad 204, the air suction pump 21 is damaged, and the shell 201 is conveniently sealed and the filter screen is conveniently replaced through the bolt 206 and the cover plate 205.

Specifically, frame 2 one side is connected with first gear 22 through the round pin axle fixedly, and support 1 one side is connected with third pivot 23 through the bearing rotation, and third pivot 23 surface passes and is equipped with second gear 24, and second gear 24 meshes with first gear 22 mutually, and third pivot 23 one end fixedly connected with connecting rod 25, connecting rod 25 lower extreme cover has connect dead lever 26, and the dead lever 26 surface has cup jointed second spring 27, and dead lever 26 surface fixedly connected with baffle 28, and a plurality of spacing holes 29 have been seted up to support 1 side, and dead lever 26 surface is provided with antislip strip 30.

Through adopting above-mentioned technical scheme, through extracting dead lever 26 from spacing hole 29, shake dead lever 26, drive second gear 24 rotation, through the meshing of first gear 22 and second gear 24, make frame 2 rotate under the effect of round pin axle, thereby can adjust the viewing angle of panel 3, loosen dead lever 26, make dead lever 26 insert spacing hole 29 under the effect of second spring 27 and baffle 28, spacing frame 2 and panel 3, through setting up antislip strip 30, prevent skidding when applying force to dead lever 26.

Specifically, a plurality of floodlights 31 are fixedly connected to the front of the housing 2.

By adopting the above technical scheme, the display panel 3 is illuminated when the light is darker by arranging the floodlight 31.

Specifically, the control button 32 is fixedly connected to the front of the outer frame 2.

By adopting the above technical scheme, the floodlight 31, the getter pump 21 and the motor 4 can be controlled by providing the manipulation key 32.

Specifically, the lower surface of the bracket 1 is fixedly connected with a plurality of pulleys 33.

Through adopting above-mentioned technical scheme, through setting up pulley 33, conveniently remove the show board.

The working principle of the utility model is as follows: firstly, under the action of a pulley 33, the display board is moved to a proper position, a teaching person pulls out the fixing rod 26 from the limiting hole 29, shakes the fixing rod 26, drives the second gear 24 to rotate, enables the outer frame 2 to rotate under the action of a pin shaft through the meshing of the first gear 22 and the second gear 24, adjusts the display board 3 to a proper viewing angle, releases the fixing rod 26, enables the fixing rod 26 to be inserted into the limiting hole 29 under the action of the second spring 27 and the baffle 28, limits the outer frame 2 and the display board 3, prevents slipping when the fixing rod 26 is forced under the action of the anti-skid strip 30, enables the motor 4 and the suction pump 21 to work simultaneously under the action of the control key 32, enables the screw column 7 to rotate under the action of the motor 4, enables the screw cap 9 to move under the cooperation of the screw column 7 and the screw cap 9, thereby driving the connecting plate 11 and the sliding sleeve 14 to slide on the surface of the sliding rod 13, driving the scraping plate 16 to wipe the display board 3, automatically adjusting the pressure of the scraping plate 16 to the display board 3 under the action of the spring telescopic rod 15, simultaneously, the suction pump 21 works, the suction pipe 18 generates suction force under the action of the plastic hose 19, dust is sucked into the filter assembly 20 through the two suction ports, thereby achieving the purpose of automatic dust collection, the brush 17 rubs with the brush 17 in the resetting process of the scraping plate 16, thereby wiping the dust on the surface of the scraping plate 16, facilitating the next wiping of the scraping plate 16, when the filter screen needs to be replaced, the cover plate 205 is opened through the bolt 206, a new filter screen is placed on the side surface of the clamping frame 203, the filter screen is clamped under the action of the first spring 202, the dust is prevented from entering the suction pump 21 from the gap under the action of the sealing pad 204, and the damage of the suction pump 21 is caused, when the light is dark, the floodlight 31 is turned on to illuminate the display panel 3.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Claims

1. The utility model provides a teaching show board, includes support (1), its characterized in that: the utility model discloses a sliding rod sliding device, including frame (1) inner wall, frame (2) inner wall fixedly connected with panel (3) through the round pin axle, frame (2) inner wall fixedly connected with motor (4), frame (2) top fixedly connected with first backup pad (5), motor (4) output shaft one end fixedly connected with first pivot (6), first pivot (6) are rotated through the bearing and are connected at first pivot (6) surface, first pivot (6) other end fixedly connected with screw thread post (7), screw thread post (7) other end fixedly connected with second pivot (8), second pivot (8) are rotated through the bearing and are connected at frame (2) inner wall, screw thread post (7) surface threaded connection has screw thread cap (9), frame (2) top fixedly connected with limiting plate (10), screw thread cap (9) sliding connection is on limiting plate (10) surface, screw thread cap (9) side fixedly connected with connecting plate (11), frame (2) bottom fixedly connected with second backup pad (12), second backup pad (12) other end fixedly connected with second pivot (8) is connected with sliding rod (13) side, sliding rod (13) is connected with sliding rod (13), connecting plate (11) other end fixed connection is in sliding sleeve (14) side, fixedly connected with a plurality of spring telescopic links (15) under connecting plate (11), a plurality of spring telescopic links (15) other end fixedly connected with is wiped board (16), frame (2) inner wall fixedly connected with brush (17), brush (17) upper surface overlap joint is in wiping board (16) lower surface, connecting plate (11) fixedly connected with breathing pipe (18), breathing pipe (18) are provided with two induction ports, and set up in wiping board (16) both sides, breathing pipe (18) side fixedly connected with plastic hose (19), plastic hose (19) overlap joint is in frame (2) bottom, plastic hose (19) other end fixedly connected with filter element (20), filter element (20) opposite side fixedly connected with pump (21).

2. A teaching demonstration board according to claim 1, wherein: the filter assembly (20) comprises a shell (201), the shell (201) is fixedly connected to the lower surface of an outer frame (2), a plurality of first springs (202) are fixedly connected to the inner wall of the shell (201), the other ends of the first springs (202) are fixedly connected with a clamping frame (203), sealing gaskets (204) are fixedly connected to the other sides of the clamping frame (203), a cover plate (205) is rotatably connected to the side face of the shell (201) through a pin shaft, another sealing gasket (204) is fixedly connected to the surface of the cover plate (205), bolts (206) are connected to the surface of the cover plate (205) through threads, and the cover plate (205) is fixedly connected with the shell (201) through the bolts (206).

3. A teaching demonstration board according to claim 1, wherein: the novel anti-slip device comprises an outer frame (2), a first gear (22) is fixedly connected to one side of the outer frame through a pin shaft, a third rotating shaft (23) is rotatably connected to one side of a support (1) through a bearing, a second gear (24) is arranged on the surface of the third rotating shaft (23), the second gear (24) is meshed with the first gear (22), a connecting rod (25) is fixedly connected to one end of the third rotating shaft (23), a fixing rod (26) is sleeved at the lower end of the connecting rod (25), a second spring (27) is sleeved on the surface of the fixing rod (26), a baffle (28) is fixedly connected to the surface of the fixing rod (26), a plurality of limiting holes (29) are formed in the side face of the support (1), and anti-slip strips (30) are arranged on the surface of the fixing rod (26).

4. A teaching demonstration board according to claim 1, wherein: the front of the outer frame (2) is fixedly connected with a plurality of floodlights (31).

5. A teaching demonstration board according to claim 1, wherein: the front of the outer frame (2) is fixedly connected with an operation button (32).

6. A teaching demonstration board according to claim 1, wherein: the lower surface of the bracket (1) is fixedly connected with a plurality of pulleys (33).