Teaching display board

Abstract

The utility model relates to the technical field of teaching aids for teaching, and discloses a teaching display board which comprises a bottom frame and vertical frames, a mounting hole is formed in the middle end of the bottom frame, a counterweight box is arranged at the middle end of the bottom frame through the mounting hole, a mounting adjusting frame assembly is arranged between the two vertical frames, and sliding grooves are formed in the sides, close to each other, of the two vertical frames. A writing display board is arranged on the inner side of the installation adjusting frame assembly. According to the teaching display board, the balance weight box is arranged, cleaning water is added into the balance weight box, the stability of the bottom frame can be effectively guaranteed, after writing is completed, the sealing plate is opened, teaching personnel can conveniently wash hands in time, and meanwhile the cleaning water in the balance weight box can be used for cleaning the writing display board.

Description

Technical Field

[0001] The utility model relates to the technical field of teaching aids, in particular to a teaching display board. Background Art

[0002] Teaching display boards are widely used in teaching and display. Teachers use them for classroom lectures, case analysis, demonstration operations, etc., which can display teaching content and results intuitively and clearly.

[0003] Since the existing teaching display board generally includes a display board body and a frame for mounting and supporting the display board body, the stability of the frame is poor during use. When writing on the display board body, it is easy to shake or even fall over. After writing on the display board body, dust will inevitably stick to the hands. The dust on the hands cannot be cleaned in time and contacts with water cups, books, etc., which not only easily dirty the water cups and books, but also endangers health. In addition, the display board body is generally fixed on the upper end of the frame. When the back of the display board needs to be displayed, the entire frame needs to be rotated, which is time-consuming and laborious. Therefore, it is necessary to provide a teaching display board to solve the above problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a teaching display board to solve the problems mentioned in the above background.

[0005] The utility model provides the following technical solution: a teaching display board, comprising:

[0006] A base frame, wherein a mounting hole is provided at the middle end of the base frame;

[0007] A vertical frame, wherein two vertical frames are provided, and the two vertical frames are respectively fixedly arranged at the centers of both ends of the upper end surface of the bottom frame;

[0008] A counterweight box is provided at the middle end of the base frame through a mounting hole, a mounting and adjusting frame assembly is provided between the two vertical frames, a sliding groove is provided on one side of the two vertical frames close to each other, and a writing display board is provided inside the mounting and adjusting frame assembly;

[0009] The installation adjustment frame assembly comprises an adjustment slide rod, two of which are provided, and the two vertical frames are respectively slidably connected to the two adjustment slide rods through sliding grooves.

[0010] Preferably, the mounting adjustment frame assembly also includes a strip top plate, a U-shaped limiting plug rod and a connecting rod, the strip top plate is fixedly arranged on the upper end surface of the adjustment slide rod, and the connecting rod is arranged at the lower end between the two adjustment slide rods.

[0011] Preferably, a plurality of corresponding positioning holes are formed at equal distances on the side walls of the vertical frame and the adjusting slide rod, and a positioning knob is provided at the upper end of the side wall of the vertical frame through the positioning hole.

[0012] Preferably, a connecting shaft is provided at the center of the upper end surface of the writing display board, and the writing display board is rotatably connected to the strip top plate via the connecting shaft.

[0013] Preferably, both ends of the upper surface of the strip top plate are provided with through holes, the U-shaped limit rod is arranged on the upper end of the strip top plate through the through holes, and both ends of the upper surface of the writing display board are provided with insertion holes that cooperate with the U-shaped limit rod, and the U-shaped limit rod is detachable.

[0014] Preferably, clean water is stored inside the counterweight box, and an opening is provided on one side of the upper end surface of the counterweight box.

[0015] Preferably, a sealing plate is provided at the opening of the counterweight box, and a drainage outlet is provided on the lower end surface of the counterweight box.

[0016] Preferably, a buffer pad is provided at the lower end of the vertical frame and located in the slide groove, and universal wheels are provided at the four corners of the lower end surface of the base frame.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] 1. The teaching display board is provided with an installation adjustment frame assembly. Hold the connecting rod and turn the positioning knob to disengage the positioning hole on the adjusting slide rod. Then, the connecting rod can be driven to move up and down to achieve effective adjustment of the height of the writing display board. After the height adjustment is completed, the positioning knob is tightened again to ensure that the height position of the writing display board is fixed. The operation is simple. The U-shaped limit rod can be pulled upward to remove the U-shaped limit rod, and then the writing display board can be rotated, which is convenient for displaying the back panel of the writing display board, saving time and effort.

[0019] 2. The teaching display board can effectively ensure the stability of the base frame by providing a counterweight box and adding clean water in the counterweight box. When writing is completed, the sealing plate is opened to facilitate the teaching staff to wash their hands in time. At the same time, the clean water inside the counterweight box can be used to clean the writing display board. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is one of the overall structural diagrams of the teaching display board of the utility model;

[0021] Figure 2 This is the second schematic diagram of the overall structure of the teaching display board of the utility model;

[0022] Figure 3 This is a structural schematic diagram of the counterweight box of the utility model;

[0023] Figure 4 This is a schematic diagram of the connection structure of the writing display board of the utility model;

[0024] Figure 5 For this utility model Figure 1 A magnified schematic diagram of the structure in the middle.

[0025] In the figure: 1. base frame; 2. universal wheel; 3. counterweight box; 301. opening; 302. sealing plate; 303. drain outlet; 4. vertical frame; 401. slide groove; 402. buffer pad; 5. installation adjustment frame assembly; 501. adjustment slide rod; 502. strip top plate; 503. U-shaped limit rod; 504. connecting rod; 505. perforation; 6. writing display board; 601. connecting shaft; 602. socket; 7. positioning hole; 8. positioning knob. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-5 , a teaching display board, comprising:

[0028] A base frame 1, wherein a mounting hole is provided at the middle end of the base frame 1;

[0029] A vertical frame 4, wherein two vertical frames 4 are provided, and the two vertical frames 4 are respectively fixedly arranged at the centers of both ends of the upper end surface of the bottom frame 1;

[0030] A counterweight box 3 is provided at the middle end of the bottom frame 1 through a mounting hole, a mounting and adjusting frame assembly 5 is provided between the two vertical frames 4, a slide groove 401 is provided on one side of the two vertical frames 4 close to each other, and a writing display board 6 is provided inside the mounting and adjusting frame assembly 5;

[0031] The mounting adjustment frame assembly 5 comprises an adjustment slide bar 501 , two adjustment slide bars 501 are provided, and the two vertical frames 4 are respectively slidably connected to the two adjustment slide bars 501 through the slide grooves 401 .

[0032] Among them, the installation adjustment frame assembly 5 also includes a strip top plate 502, a U-shaped limit rod 503 and a connecting rod 504. The strip top plate 502 is fixedly arranged on the upper end surface of the adjusting slide bar 501, and the connecting rod 504 is arranged at the lower end between the two adjusting slide bars 501. A number of corresponding positioning holes 7 are evenly spaced on the side walls of the vertical frame 4 and the adjusting slide bar 501. A positioning knob 8 is arranged on the upper end of the side wall of the vertical frame 4 through the positioning hole 7. Hold the connecting rod 504 and turn the positioning knob 8 to disengage from the positioning hole 7 on the adjusting slide bar 501. Then, the connecting rod 504 can be driven up and down to achieve effective adjustment of the height of the writing display board 6. After the height adjustment is completed, the positioning knob 8 is tightened again to ensure that the position of the writing display board 6 is fixed, and the operation is simple.

[0033] Among them; a connecting shaft 601 is arranged at the center of the upper end surface of the writing display board 6, and the writing display board 6 is rotatably connected to the strip top plate 502 through the connecting shaft 601, and through holes 505 are opened at both ends of the upper end surface of the strip top plate 502, and a U-shaped limit rod 503 is arranged at the upper end of the strip top plate 502 through the through holes 505, and holes 602 cooperating with the U-shaped limit rod 503 are opened at both ends of the upper end surface of the writing display board 6, and the U-shaped limit rod 503 is detachable. By pulling the U-shaped limit rod 503 upwards, the U-shaped limit rod 503 can be removed, and then the writing display board 6 can be rotatable, which is convenient for displaying the back panel of the writing display board 6, saving time and effort.

[0034] Among them; clean water is stored inside the counterweight box 3, an opening 301 is opened on one side of the upper surface of the counterweight box 3, a sealing plate 302 is provided at the opening 301 of the counterweight box 3, and a drain outlet 303 is provided on the lower surface of the counterweight box 3. By providing the counterweight box 3 and adding clean water in the counterweight box 3, the stability of the base frame 1 can be effectively guaranteed. When writing is completed, the sealing plate 302 is opened to facilitate teaching staff to wash their hands in time. At the same time, the clean water inside the counterweight box 3 can be used to clean the writing display board 6.

[0035] Among them, a buffer pad 402 is arranged at the lower end of the vertical frame 4 and located in the slide groove 401, and universal wheels 2 are arranged at the four corners of the lower end surface of the base frame 1. When the adjustment frame assembly 5 and the writing display board 6 are lowered and installed, the lower end of the adjustment slide rod 501 contacts and squeezes the buffer pad 402. The buffer pad 402 contracts to effectively buffer the force. The universal wheels 2 are arranged to facilitate the movement of the teaching display board and effectively adjust the position, saving time and effort.

[0036] Working principle: hold the connecting rod 504, turn the positioning knob 8 to disengage the positioning hole 7 on the adjusting slide bar 501, and then the connecting rod 504 can be driven to move up and down to achieve effective adjustment of the height of the writing display board 6. After the height adjustment is completed, re-tighten the positioning knob 8 to ensure that the height position of the writing display board 6 is fixed. The operation is simple. Pull the U-shaped limit rod 503 upwards to remove the U-shaped limit rod 503, and then the writing display board 6 can be rotated, which is convenient for displaying the back panel of the writing display board 6, saving time and effort.

[0037] Furthermore, by providing a counterweight box 3 and adding clean water into the counterweight box 3, the stability of the base frame 1 can be effectively guaranteed. After writing is completed, the sealing plate 302 is opened to facilitate the teaching staff to wash their hands in time. At the same time, the clean water inside the counterweight box 3 can be used to clean the writing display board 6. When the adjustment frame assembly 5 and the writing display board 6 are lowered and installed, the lower end of the adjustment slide rod 501 contacts and squeezes the buffer pad 402. The contraction of the buffer pad 402 can effectively buffer the force. By providing a universal wheel 2, it is convenient to move the teaching display board and effectively adjust the position, saving time and effort.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A teaching display board, comprising: A base frame (1), wherein a mounting hole is provided at a middle end of the base frame (1); A vertical frame (4), wherein two vertical frames (4) are provided, and the two vertical frames (4) are respectively fixedly arranged at the centers of both ends of the upper surface of the bottom frame (1); The invention is characterized in that a counterweight box (3) is provided at the middle end of the base frame (1) through a mounting hole, a mounting adjustment frame assembly (5) is provided between the two vertical frames (4), a sliding groove (401) is provided on one side of the two vertical frames (4) close to each other, and a writing display board (6) is provided inside the mounting adjustment frame assembly (5); The mounting adjustment frame assembly (5) comprises an adjustment slide rod (501), two of the adjustment slide rods (501) are provided, and the two vertical frames (4) are respectively slidably connected to the two adjustment slide rods (501) via slide grooves (401).

2. A teaching display board according to claim 1, characterized in that: The mounting adjustment frame assembly (5) further comprises a strip top plate (502), a U-shaped limiting plug rod (503) and a connecting rod (504); the strip top plate (502) is fixedly arranged on the upper end surface of the adjustment slide rod (501); and the connecting rod (504) is arranged at the lower end between the two adjustment slide rods (501).

3. A teaching display board according to claim 2, characterized in that: A plurality of corresponding positioning holes (7) are provided at equal distances on the side walls of the vertical frame (4) and the adjusting slide rod (501), and a positioning knob (8) is provided at the upper end of the side wall of the vertical frame (4) through the positioning hole (7).

4. A teaching display board according to claim 3, characterized in that: A connecting shaft (601) is provided at the centre of the upper surface of the writing display board (6), and the writing display board (6) is rotatably connected to the strip-shaped top board (502) via the connecting shaft (601).

5. A teaching display board according to claim 4, characterized in that: The upper surface of the strip top plate (502) is provided with through holes (505) at both ends, the U-shaped limit rod (503) is arranged on the upper end of the strip top plate (502) through the through holes (505), and the upper surface of the writing display board (6) is provided with insertion holes (602) that cooperate with the U-shaped limit rod (503), and the U-shaped limit rod (503) is detachable.

6. A teaching display board according to claim 1, characterized in that: Clean water is stored inside the counterweight box (3), and an opening (301) is provided on one side of the upper surface of the counterweight box (3).

7. A teaching display board according to claim 6, characterized in that: A sealing plate (302) is provided at the opening (301) of the counterweight box (3), and a drainage port (303) is provided on the lower end surface of the counterweight box (3).

8. A teaching display board according to claim 1, characterized in that: A buffer pad (402) is provided at the lower end of the vertical frame (4) and located in the slide groove (401), and universal wheels (2) are provided at the four corners of the lower end surface of the bottom frame (1).

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