CN219418309U

CN219418309U - Teaching display board

Info

Publication number: CN219418309U
Application number: CN202320158007.0U
Authority: CN
Inventors: 余晶
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-02-08
Filing date: 2023-02-08
Publication date: 2023-07-25
Anticipated expiration: 2033-02-08

Abstract

The utility model discloses a teaching demonstration board which comprises a demonstration board body and a box body, wherein supporting columns are fixedly arranged at two ends of the demonstration board body, and a plurality of clamping holes and a plurality of clamping and fixing devices are respectively arranged on the front end face of the demonstration board body. The bottom of the inner cavity of the box body is fixedly connected with a lifting motor, the lower end surfaces of the two supporting columns are respectively provided with an inner screw hole, and the lower ends of the two supporting columns respectively penetrate through the lifting sleeve and are in threaded connection with the threaded rod. According to the utility model, during teaching, the lifting switch can be adjusted according to classroom environment, so that the display board body is positioned at the optimal height, and the universal wheels are arranged to enable the display board body to move at will. The plurality of clamping supporting arms are obliquely inserted into the clamping holes, and can hang the displayed objects through the fixing hooks or fix the paper on the display board body through the clamping plates. The utility model is convenient for teaching and hanging, and has more convenient movement, stronger practicability and more complete functions.

Description

Teaching display board

Technical Field

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

Background

The teaching board is a board surface placed in a classroom or a meeting room, plays a role in explaining and demonstrating, and is an important tool for teaching and receiving a teacher. Most of the existing teaching demonstration boards are fixed, the height of the demonstration boards cannot be reasonably adjusted, and the demonstration boards cannot be moved, so that the use of the teaching demonstration boards is limited. In addition, when teaching show article, need through manual holding, but manual holding is unable to carry out blackboard writing or concrete explanation, has influenced the teaching quality.

Disclosure of Invention

The utility model aims to provide the teaching demonstration board which is simple in structure, convenient to use, has the movable and lifting functions and can be used for fixedly displaying objects.

The utility model provides the following technical scheme:

the teaching display board comprises a display board body and a box body, and is characterized in that two ends of the display board body are respectively fixedly provided with supporting columns, the lower ends of the two supporting columns are respectively connected with the box body, a plurality of clamping holes and a plurality of clamping fixing devices are respectively formed in the front end face of the display board body, clamping supporting arms are respectively clamped in the clamping holes, and fixing hooks are fixedly arranged at the lower parts of the outer ends of the clamping supporting arms;

the clamping fixing devices are respectively and fixedly arranged on the front end face of the upper part of the display board body, each clamping fixing device comprises a connecting frame and a clamping handle, each connecting frame is of a right-angle structure, one end of each connecting frame is fixedly arranged on the front end face of the upper part of the display board body, a movable hole is formed in a vertical wall parallel to the connecting frame and the display board body, the front end of each clamping handle penetrates through the movable hole, a clamping plate is fixedly arranged at the front end of each clamping handle, a spring is sleeved on a clamping handle rod between each clamping plate and each connecting frame, and a rubber anti-slip layer is fixedly arranged on the front end face of each clamping plate;

preferably, the bottom fixedly connected with elevator motor of box inner chamber, elevator motor's output fixedly connected with transfer line, the equal fixedly connected with bevel gear of outer end of two transfer lines, the both sides bottom all passes through bearing fixedly connected with threaded rod in the box, and the lower part of threaded rod is fixedly installed and is gone up and down bevel gear, go up and down bevel gear and bevel gear meshing, the both sides of box upper end are fixed respectively and are provided with the lift sleeve pipe, be provided with interior screw on the lower terminal surface of two supporting columns respectively, the lower extreme of two supporting columns passes lift sleeve pipe and threaded rod threaded connection respectively.

Preferably, 4 universal wheels are fixedly arranged on the lower end face of the box body.

Preferably, 4 clamping and fixing devices are arranged on the front end face of the upper part of the display board body.

Preferably, the front end of the clamping supporting arm is in a Z-shaped structure, and the front convex edges and the rear convex edges of the clamping supporting arm are respectively clamped on the inner hole wall and the outer hole wall of the clamping hole.

The utility model has the technical effects and advantages that:

in the utility model, the lifting switch can be adjusted according to the classroom environment during teaching, so that the display board body is positioned at the optimal height, and in addition, the display board body can be moved at will due to the arrangement of the universal wheels. In addition, can carry out the teaching with the mark pen at the one end side of show plate body, when needing the demonstration entity article, can insert a plurality of joint supporting arms slope in the inside of joint hole according to the size of entity article, the article of hanging the demonstration through fixed couple.

When the paper graphics and texts need to be displayed in teaching, the upper end of the paper is placed between the connecting frame and the display board body, the clamping handle is pulled up to enable a gap to be formed between the clamping plate and the display board body, the upper end of the paper is inserted into the gap to loosen the clamping handle, and the paper is fixed on the display board body through the clamping plate. Meanwhile, the side edge of the display board body can be directly written, so that the display board is convenient to hang when being convenient for teaching, convenient to move, high in practicality and complete in function.

Drawings

FIG. 1 is a schematic view of the overall structure provided by the present utility model;

FIG. 2 is a cross-sectional view of a tank provided by the present utility model;

FIG. 3 is a schematic view of a clamping and fixing device according to the present utility model;

fig. 4 is a schematic view of a structure of a clamping support arm according to the present utility model.

The reference numerals are: 1. a display board body; 2. a case; 3. a connecting frame; 4. a clamping handle; 5. a movable hole; 6. a clamping plate; 7. a rubber anti-slip layer; 8. a support column; 9. a clamping hole; 10. the clamping supporting arm; 11. a fixed hook; 12. a lifting motor; 13. a transmission rod; 14. bevel gears; 15. a threaded rod; 16. lifting bevel gears; 17. lifting the sleeve; 18. a universal wheel; 19. and (3) a spring.

Description of the embodiments

In order to make the technical problems, technical solutions and advantages to be solved more apparent, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, the embodiment of the utility model provides a teaching demonstration board, which comprises a demonstration board body 1 and a box body 2, wherein supporting columns 8 are respectively and fixedly arranged at two ends of the demonstration board body 1, the lower ends of the two supporting columns 8 are respectively connected with the box body 2, 4 universal wheels 18 are fixedly arranged on the lower end surface of the box body 2, and the universal wheels 18 are arranged, so that the demonstration board can freely move and be carried more conveniently.

As shown in fig. 3, the plurality of clamping and fixing devices are respectively and fixedly arranged on the front end face of the upper portion of the display board body 1, the clamping and fixing devices comprise a connecting frame 3 and a clamping handle 4, the connecting frame 3 is of a right-angle structure, one end of the connecting frame 3 is fixedly arranged on the front end face of the upper portion of the display board body 1, a movable hole 5 is formed in a vertical wall parallel to the connecting frame 3 and the display board body 1, the front end of the clamping handle 4 penetrates through the movable hole 5, a clamping plate 6 is fixedly arranged at the front end of the clamping handle 4, a spring 19 is sleeved on a clamping handle 4 rod between the clamping plate 6 and the connecting frame 3, a rubber anti-slip layer 7 is fixedly arranged on the front end face of the clamping plate 6, and the rubber anti-slip layer 7 can prevent displayed paper from slipping.

As shown in fig. 4, the front end surface of the display board body 1 is respectively provided with a plurality of clamping holes 9 and a plurality of clamping and fixing devices, the clamping holes 9 are respectively internally provided with clamping supporting arms 10, and the lower parts of the outer ends of the clamping supporting arms 10 are fixedly provided with fixing hooks 11. The front end of the specific clamping supporting arm 10 is of a Z-shaped structure, the front convex edges and the rear convex edges of the specific clamping supporting arm are respectively clamped on the inner hole wall and the outer hole wall of the clamping hole 9, the clamping supporting arm 10 is convenient to mount and dismount on the display board body 1, and the fixed hooks 11 are arranged to facilitate hanging of display objects.

As shown in fig. 2, the bottom of the inner cavity of the box body 2 is fixedly connected with a lifting motor 12, the output ends of the lifting motor 12 are fixedly connected with transmission rods 13, the outer ends of the two transmission rods 13 are fixedly connected with bevel gears 14, the bottoms of the two sides in the box body 2 are fixedly connected with threaded rods 15 through bearings, lifting bevel gears 16 are fixedly arranged at the lower parts of the threaded rods 15, the lifting bevel gears 16 are meshed with the bevel gears 14, lifting sleeves 17 are respectively and fixedly arranged at the two sides of the upper end of the box body 2, inner screw holes are respectively formed in the lower end faces of the two supporting columns 8, and the lower ends of the two supporting columns 8 respectively penetrate through the lifting sleeves 17 and are in threaded connection with the threaded rods 15.

When the display board body 1 is required to be moved in use, the lifting motor 12 is started to drive the transmission rod 13 to rotate, the transmission rod 13 drives the bevel gear 14 to rotate, the bevel gear 14 drives the lifting bevel gear 16 to rotate, the lifting bevel gear 16 drives the threaded rod 15 to rotate, the threaded rod 15 drives the supporting column 8 to move up and down, and the supporting column 8 drives the display board body 1 to move, so that the height of the display board body 1 is adjusted.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a teaching show board, includes show plate body (1) and box (2), its characterized in that, the both ends of show plate body (1) are fixed respectively and are provided with supporting column (8), and the lower extreme of two supporting columns (8) is connected with box (2) respectively, be provided with a plurality of joint holes (9) and a plurality of centre gripping fixing device on the preceding terminal surface of show plate body (1) respectively, the joint is equipped with joint supporting arm (10) in joint hole (9) respectively card, the fixed couple (11) that are provided with in outer end lower part of joint supporting arm (10);

the utility model provides a show that a plurality of centre gripping fixing device are fixed respectively and are set up on the terminal surface before the upper portion of show plate body (1), centre gripping fixing device, including link (3) and centre gripping handle (4), link (3) are right angle shape structure, and the one end fixed mounting of link (3) is provided with movable hole (5) on the terminal surface before the upper portion of show plate body (1) on the vertical wall that link (3) are parallel with show plate body (1), the front end of centre gripping handle (4) passes movable hole (5), and the front end of centre gripping handle (4) is fixed to be provided with grip block (6), and the cover is equipped with spring (19) on grip block (4) pole between grip block (6) and link (3), fixedly on the terminal surface is provided with rubber non-slip layer (7) before grip block (6).

2. The teaching board according to claim 1, wherein the bottom of the inner cavity of the box body (2) is fixedly connected with a lifting motor (12), the output ends of the lifting motor (12) are fixedly connected with transmission rods (13), the outer ends of the two transmission rods (13) are fixedly connected with bevel gears (14), the bottoms of the two sides in the box body (2) are fixedly connected with threaded rods (15) through bearings, lifting bevel gears (16) are fixedly arranged at the lower parts of the threaded rods (15), the lifting bevel gears (16) are meshed with the bevel gears (14), lifting sleeves (17) are fixedly arranged at the two sides of the upper end of the box body (2) respectively, inner screw holes are formed in the lower end faces of the two supporting columns (8) respectively, and the lower ends of the two supporting columns (8) respectively penetrate through the lifting sleeves (17) and are in threaded connection with the threaded rods (15).

3. A teaching demonstration board according to claim 1, characterized in that the lower end face of the box body (2) is fixedly provided with 4 universal wheels (18).

4. A teaching demonstration board according to claim 1, characterized in that 4 clamping and fixing devices are arranged on the front end surface of the upper part of the demonstration board body (1).

5. The teaching demonstration board according to claim 1, wherein the front end of the clamping supporting arm (10) is of a Z-shaped structure, and the front convex edge and the rear convex edge of the clamping supporting arm are respectively clamped on the inner hole wall and the outer hole wall of the clamping hole (9).