CN219467413U

CN219467413U - Movable flexible teaching board

Info

Publication number: CN219467413U
Application number: CN202223311623.XU
Authority: CN
Inventors: 黄泽栋; 林楚贝; 郑锦汤; 吴伟福; 李平
Original assignee: Guangzhou Huashang Vocational College
Current assignee: Guangzhou Huashang Vocational College
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-08-04
Anticipated expiration: 2032-12-09

Abstract

The utility model discloses a movable flexible teaching board, which relates to the field of whiteboards, and aims at solving the problems of inconvenient overturning and use and low space utilization rate of the existing teaching auxiliary whiteboards, the utility model provides a scheme that the movable flexible teaching board comprises a bracket, a roll shaft frame mechanism and a flexible white board belt, wherein the bracket supports the roll shaft frame mechanism, the flexible white board belt is sleeved with the roll shaft frame mechanism, the flexible white board belt periodically moves through the roll shaft frame mechanism, the roll shaft frame mechanism comprises an upper cover plate, a lower cover plate and a vertical plate, the upper cover plate and the lower cover plate are semicircular, the straight edges of the upper cover plate and the lower cover plate are fixedly connected with the top end and the bottom end of the vertical plate respectively, and the upper cover plate and the lower cover plate are connected with each other: the arc edge is rotationally connected with a plurality of groups of second roll shafts. The utility model has novel structure, and the device not only solves the problems of inconvenient overturning and use and low space utilization rate of the traditional teaching auxiliary whiteboard, but also improves the convenience of operation and expands more writing area.

Description

Movable flexible teaching board

Technical Field

The utility model relates to the field of white boards, in particular to a movable flexible teaching board.

Background

The teaching board generally refers to a whiteboard which is more convenient to use, and among a plurality of whiteboard products on the market, the teaching board has the auxiliary effect of teaching, the product is characterized in that the whiteboard is small in area and provided with a portable bracket, the teaching board can be placed on two sides of a large screen, a podium and the like, the defect of the product is quite obvious, the writing area of the whiteboard is small, so that upgrading products appear on the market subsequently, the two sides of the whiteboard can be written, but the whiteboard needs to be turned over for use, and a large amount of space is reserved between the whiteboard and a corner of a classroom when the classroom corner is placed, so that the mobile flexible teaching board with larger expansion area, finer operation and higher indoor corner space utilization rate is provided.

Disclosure of Invention

The utility model provides a movable flexible teaching board, which solves the problems of inconvenient overturning and use and low space utilization rate of the traditional teaching auxiliary whiteboard.

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

the movable flexible teaching board comprises a bracket, a roll shaft frame mechanism and a flexible white board belt, wherein the bracket supports the roll shaft frame mechanism, the flexible white board belt is sleeved with the roll shaft frame mechanism, and the flexible white board belt periodically moves through the roll shaft frame mechanism;

the roll shaft frame mechanism comprises an upper cover plate, a lower cover plate and a vertical plate, wherein the upper cover plate and the lower cover plate are semicircular, the straight edges of the upper cover plate and the lower cover plate are fixedly connected with the top end and the bottom end of the vertical plate respectively, and the upper cover plate and the lower cover plate are connected with each other: the flexible whiteboard belt is sleeved with the first roll shafts, the second roll shafts and the vertical plates, and the outer sides of the flexible whiteboard belt are arranged at the vertical plates to form writing areas;

and a tensioning mechanism is further arranged between the flexible whiteboard belt and the roll shaft frame mechanism.

Preferably, the upper cover plate and the lower cover plate are perpendicular to the vertical plate, the first roll shaft and the second roll shaft are parallel to each other, and the first roll shaft and the second roll shaft are perpendicular to the upper cover plate.

Preferably, the tensioning mechanism: the second roll shafts are sleeved on the outer sides of the flexible whiteboard belts, and two ends of each second roll shaft penetrate through the upper cover plate and the lower cover plate respectively and are screwed with nuts.

Preferably, the upper cover plate and the lower cover plate are provided with strip-shaped grooves at two ends of the second roller shaft for tensioning, and a tensioning adjusting space is provided for the second roller shaft.

Preferably, hexagonal columns and threaded pipes are respectively arranged at the top ends of the two groups of first roll shafts, and a crank is rotatably sleeved at the top end of the upper cover plate and is sleeved with the hexagonal columns.

Preferably, the threaded pipe is rotatably sleeved with the upper cover plate, a third screw is arranged at the top end of the upper cover plate, and the third screw is in threaded connection with the threaded pipe.

Preferably, the bracket vertically penetrates through the lower cover plate upwards, and a second screw penetrates through the upper cover plate to be fastened with the bracket through threads is arranged at the top end of the upper cover plate.

Preferably, the top of the bracket is radially provided with a supporting arm, the supporting arm is distributed in an annular array with respect to the bracket, the tail ends of the bracket are provided with positioning pins, and the positioning pins are spliced with the upper cover plate.

Preferably, the bottom end of the bracket is provided with a plurality of groups of rollers,

preferably, the vertical plates are positioned at four corners of the inner side and are respectively provided with a fixing lug, and the upper cover plate, the lower cover plate and the fixing lugs are fastened through first screws.

The beneficial effects of the utility model are as follows:

1. the device is different from a white board turned over in the market, the part of the flexible white board belt, which is positioned at the back of the device and is approximately semicircular, is a writing expansion area, and compared with the white board with two planes in the market, more writing area is obviously increased;

2. the white board can only be turned or not turned on the market, the flexible white board of the device can be adjusted steplessly between the blank area and the writing area through the crank, and the operation range is small, simple and convenient;

3. when the device is placed on two sides of a large screen, a platform and the like, the semi-cylindrical shape of the device can fully utilize the space of the inner wall corner of a classroom, and the device is quite in line with the positioning of the teaching auxiliary function of the product.

In sum, the device not only solves the problems of inconvenient overturning and use and low space utilization rate of the traditional teaching auxiliary whiteboard, but also improves the convenience of operation and expands more writing area.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic diagram of an upper cover plate splitting structure of the present utility model.

Fig. 3 is a schematic view of the present utility model with the screws of fig. 2 further disassembled.

Fig. 4 is an enlarged view of the structure of fig. 3 a according to the present utility model.

Fig. 5 is a schematic structural view of the lower cover plate of fig. 2 after being detached.

Fig. 6 is an exploded view of the structure of the present utility model.

Fig. 7 is a schematic diagram of an embodiment of the present utility model.

Reference numerals in the drawings: 1. an upper cover plate; 2. a lower cover plate; 3. a riser; 301. a fixed ear; 302. a first screw; 4. a bracket; 401. a support arm; 402. a positioning pin; 403. a second screw; 5. a first roller shaft; 501. hexagonal columns; 502. a threaded tube; 503. a crank; 504. a third screw; 6. a second roller shaft; 601. a nut; 7. a flexible whiteboard tape.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-7, a portable flexible teaching board, including support 4, roller frame mechanism and flexible whiteboard area 7, support 4 supports roller frame mechanism, flexible whiteboard area 7 cup joints with roller frame mechanism, and flexible whiteboard area 7 carries out periodic movement through roller frame mechanism, roller frame mechanism includes upper cover plate 1, lower apron 2 and riser 3, and upper cover plate 1 and lower apron 2 become semi-circular, upper cover plate 1 and lower apron 2 straight flange respectively with the top of riser 3, bottom fixed connection, riser 3 is located inboard four corners all and is provided with fixed ear 301, and fasten through first screw 302 between upper cover plate 1 and lower apron 2 and the fixed ear 301, between upper cover plate 1 and the lower apron 2: the first roller shafts 5, the second roller shafts 6 and the vertical plates 3 are connected with each other in a rotating mode at the edge of the circular arc, the first roller shafts 5, the second roller shafts 6 and the vertical plates 3 are connected with each other in a rotating mode at the two ends of the straight edge, the outer sides of the flexible white board belts 7 are located at the vertical plates 3 to form writing areas, the first roller shafts 5 are driven to rotate through rotating the crank 503, the flexible white board belts 7 are driven to operate through friction, and the blank areas located at the back of the device are rotated to the outer vertical face writing areas of the vertical plates 3.

Referring to fig. 3 and 4, a tensioning mechanism is further provided between the flexible whiteboard belt 7 and the roller frame mechanism: the two ends of the second roll shaft 6 respectively penetrate through the upper cover plate 1 and the lower cover plate 2 and are fastened with nuts 601 in a threaded manner, the upper cover plate 1 and the lower cover plate 2 are positioned at the two ends of the tensioned second roll shaft 6 and are provided with strip-shaped grooves, tensioning adjusting spaces are provided for the second roll shaft 6, hexagonal columns 501 and threaded pipes 502 are respectively arranged at the top ends of the two groups of first roll shafts 5, a crank 503 is rotatably sleeved at the top end of the upper cover plate 1, the crank 503 is sleeved with the hexagonal columns 501, the threaded pipes 502 are rotatably sleeved with the upper cover plate 1, third screws 504 are arranged at the top end of the upper cover plate 1, and the third screws 504 are in threaded connection with the threaded pipes 502.

Referring to fig. 6, a bracket 4 vertically penetrates through a lower cover plate 2 upwards, a second screw 403 is arranged at the top end of an upper cover plate 1 and penetrates through the upper cover plate 1 to be fastened with the bracket 4 in a threaded manner, a supporting arm 401 is arranged at the top end of the bracket 4 along the radial direction of the supporting arm, the supporting arm 401 is distributed in an annular array with respect to the bracket 4, positioning pins 402 are arranged at the tail ends of the bracket 4, and the positioning pins 402 are spliced with the upper cover plate 1. The structural design has the effect of reinforcing the stability of the roll shaft frame mechanism, and the bottom end of the support 4 is provided with a plurality of groups of rollers for the movement of the device.

The device solves the working principle that the existing teaching auxiliary whiteboard is inconvenient to overturn and use and low in space utilization rate: referring to fig. 7, the device writes in the plane supporting area of the riser 3, and can drive the first roller shaft 5 to rotate at any time by rotating the crank 503, and drive the flexible whiteboard belt 7 to operate by friction force, so that the blank area positioned at the back of the device is rotated to the outer vertical writing area of the riser 3;

the advantages of the design are firstly that, unlike the white board turned over in the market, the part of the flexible white board belt 7, which is positioned at the back of the device and is approximately semicircular, is a writing expansion area, compared with the white board with two planes in the market, more writing areas are obviously increased, secondly, the white board turned over in the market can only be turned over or not turned over, and the blank area of the flexible white board belt 7 and the writing area of the device can be adjusted steplessly through the crank 503.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The movable flexible teaching board comprises a support (4), a roll shaft frame mechanism and a flexible whiteboard belt (7), and is characterized in that the support (4) supports the roll shaft frame mechanism, the flexible whiteboard belt (7) is sleeved with the roll shaft frame mechanism, and the flexible whiteboard belt (7) periodically moves through the roll shaft frame mechanism;

the roller shaft frame mechanism comprises an upper cover plate (1), a lower cover plate (2) and a vertical plate (3), the upper cover plate (1) and the lower cover plate (2) are semicircular, the straight edges of the upper cover plate (1) and the lower cover plate (2) are fixedly connected with the top end and the bottom end of the vertical plate (3) respectively, and the upper cover plate (1) and the lower cover plate (2) are connected with each other: the flexible whiteboard belt (7) is sleeved with the first roll shafts (5), the second roll shafts (6) and the vertical plates (3), and the outer sides of the flexible whiteboard belt (7) are positioned at the vertical plates (3) to be set as writing areas;

a tensioning mechanism is further arranged between the flexible whiteboard belt (7) and the roll shaft frame mechanism.

2. A mobile flexible teaching board according to claim 1, characterized in that the upper cover plate (1) and the lower cover plate (2) are perpendicular to the vertical plate (3), the first roll shaft (5) and the second roll shaft (6) are parallel to each other, and the first roll shaft (5) and the second roll shaft (6) are perpendicular to the upper cover plate (1).

3. The mobile flexible teaching board of claim 1, wherein said tensioning mechanism: one group of second roll shafts (6) are sleeved on the outer side of the flexible whiteboard belt (7), and two ends of each second roll shaft (6) respectively penetrate through the upper cover plate (1) and the lower cover plate (2) and are tightly screwed with nuts (601).

4. A mobile flexible teaching board according to claim 3 and characterized in that the upper cover plate (1) and the lower cover plate (2) are provided with bar-shaped grooves at two ends of the second roller shaft (6) for tensioning, and a tensioning adjusting space is provided for the second roller shaft (6).

5. The mobile flexible teaching board according to claim 1, wherein hexagonal columns (501) and threaded pipes (502) are respectively arranged at the top ends of the two groups of first roller shafts (5), a crank (503) is rotatably sleeved at the top end of the upper cover plate (1), and the crank (503) is sleeved with the hexagonal columns (501).

6. The mobile flexible teaching board according to claim 5, wherein the threaded pipe (502) is rotatably sleeved with the upper cover plate (1), a third screw (504) is arranged at the top end of the upper cover plate (1), and the third screw (504) is in threaded connection with the threaded pipe (502).

7. A mobile flexible teaching board according to claim 1 and characterized in that the bracket (4) vertically penetrates the lower cover plate (2) upwards, and the top end of the upper cover plate (1) is provided with a second screw (403) penetrating the upper cover plate (1) and being fastened with the bracket (4) in a threaded manner.

8. The mobile flexible teaching board according to claim 7, characterized in that the top end of the bracket (4) is provided with a supporting arm (401) along the radial direction thereof, the supporting arm (401) is distributed in an annular array with respect to the bracket (4), the tail ends of the bracket (4) are provided with positioning pins (402), and the positioning pins (402) are spliced with the upper cover plate (1).

9. The mobile flexible teaching board according to claim 7, characterized in that a plurality of groups of rollers are arranged at the bottom end of the bracket (4).

10. The mobile flexible teaching board according to claim 1, characterized in that fixing lugs (301) are arranged at four corners of the inner side of the vertical board (3), and the upper cover board (1) and the lower cover board (2) are fastened with the fixing lugs (301) through first screws (302).