CN220180442U - Writing board teaching aid - Google Patents

Abstract

The utility model relates to a writing board teaching aid, which comprises a writing board body, wherein a movable base is arranged below the bottom of the writing board body, a supporting rod is fixedly arranged on the movable base, the rear side of the writing board body is in sliding connection with the supporting rod through a sliding block, sliding grooves are formed in inner cavities at two ends of the writing board body, writing auxiliary boards are slidably arranged in the inner cavities of the sliding grooves, a cleaning rod is arranged in an opening of the sliding grooves, a fixed box is fixedly arranged at the bottom of the writing board body, a rotating shaft is rotatably arranged in the inner cavity of the fixed box, a movable rod is slidably arranged at the front side of the writing board body, two ends of the movable rod are slidably connected with two ends of the writing board body, the height of the writing board body can be adjusted, the area for teaching writing can be increased through the writing auxiliary boards, the movable board can be taken out after the writing board is used, the writing board can be quickly erased, the rotating shaft in the fixed box is periodically rotated, the fixed box is cleaned, and the chalk dust accumulated too much can be prevented from affecting the erasing effect.

Description

Writing board teaching aid

Technical Field

The utility model relates to a writing board teaching aid, and belongs to the technical field of teaching aids.

Background

In the aspect of teaching, the writing board is a teaching tool which is necessary to use, and the utility model of patent number 201621216043.4 provides a dust-free English teaching writing board which comprises a writing panel, an erasing block which is arranged in a sliding way up and down relative to the writing panel, and an erasing block moving driving mechanism; the left end and the right end of the writing panel are symmetrically provided with inverted T-shaped sliding grooves respectively, and each inverted T-shaped sliding groove is connected with a sliding block in a sliding manner; a mounting cross beam is arranged between the two sliding blocks, and the erasing block is movably mounted on the mounting cross beam; the erasing block comprises a wet erasing layer and dry erasing layers arranged on two sides of the wet erasing layer in parallel; compared with the prior art, the cleaning device has the characteristics of avoiding a large amount of dust generated in the cleaning process, being rapid in erasure, and avoiding the problems of missing erasure, incomplete erasure, uneven erasure and the like; but during teaching, along with the increase of teaching contents, the content that the teacher write can be more and more, the condition that the clipboard is not enough to use appears easily, and after erasing writing, chalk dust can all be stained with on erasing the piece moreover, untimely teaching clearance can influence subsequent erasing effect.

Disclosure of Invention

Aiming at the problems in the related art, the utility model provides a writing board teaching aid to overcome the technical problems in the prior art.

For this purpose, the utility model adopts the following specific technical scheme:

the utility model provides a tablet teaching aid, includes the tablet body, tablet body bottom below is equipped with the removal base, the fixed bracing piece that is equipped with on the removal base, tablet body rear side is through sliding block and bracing piece sliding connection, the sliding tray has been seted up to tablet body both ends inner chamber, the sliding tray inner chamber slides and is equipped with the writing auxiliary board, be equipped with the clean pole in the sliding tray opening, tablet body bottom is fixed and is equipped with the fixed box, fixed box inner chamber rotation is equipped with the pivot, tablet body front side sideslip is equipped with the movable rod, movable rod both ends and tablet body both ends sliding connection.

Preferably, the bottom of the movable base is fixedly provided with a movable wheel with a brake pad, the sliding block is sleeved on the supporting rods, fixing bolts penetrate through the sliding block, cross rods are fixedly arranged between the supporting rods, threaded rods are rotatably arranged between the cross rods, and the back of the writing board body is in sliding connection with the threaded rods through the sliding screw blocks.

Preferably, a spring rod is fixedly arranged at the rear side of the sliding groove and connected with the side wall of the sliding groove through a reset spring, positioning holes are uniformly formed in the back surface of the writing auxiliary plate, and the movable end of the spring rod is inserted into the positioning holes.

Preferably, the top of the sliding groove is provided with a mounting groove, the cleaning rod is arranged in the mounting groove, the cleaning rod is provided with a soft brush strip, the soft brush strip is contacted with the writing auxiliary board, and the bottom of the sliding groove is in through connection with the fixing box.

Preferably, guide bars are fixedly arranged at two ends of the writing board body, two ends of the moving rod are arranged in the guide bars, a protective cover is arranged on the outer side of the moving rod, an blackboard eraser is fixedly arranged on the inner wall of the moving rod, and a handle is fixedly arranged on the protective cover.

Preferably, the bottom end of the guide strip is positioned in the fixed box, one end of the rotating shaft is fixedly provided with a rotating handle, the rotating shaft is uniformly and fixedly provided with a hard brush, and the hard brush is contacted with the blackboard eraser.

The beneficial effects of the utility model are as follows:

1. through setting up the writing board body that removes, when using, can adjust the height of writing board body on the bracing piece to be more suitable for the teacher of different heights to use, also can let the student watch conveniently when teaching, increase its practicality;

2. by arranging the writing auxiliary board, the writing auxiliary board can be pulled out when needed, more contents can be written, the whole area of the writing board is not increased, the teaching writing area is increased, more teaching contents are written, and the student understanding is facilitated;

3. through setting up the movable rod, when erasing the clipboard, can pull out the movable rod in the fixed box, reciprocate at the clipboard body, can wipe the content on the clipboard, it is more convenient to use, then let the movable rod get into in the fixed box again to rotatory the pivot in the fixed box, thereby clear up the blackboard eraser on the movable rod, avoid piling up too much chalk dust and influence its effect of erasing.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain the utility model.

FIG. 1 is a schematic diagram of the overall construction of a tablet teaching aid of the present utility model;

FIG. 2 is a schematic view of a lifting structure of a support bar of a tablet teaching aid according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a stationary box and a movable rod of a tablet teaching aid of the present utility model;

FIG. 4 is a schematic view of the structure of the sliding slot of the teaching aid of the present utility model;

reference numerals in the drawings: 1. a writing board body; 2. a movable base; 3. a sliding block; 4. a support rod; 5. a sliding groove; 6. a writing sub-board; 7. a cleaning lever; 8. a fixed box; 9. a moving rod; 10. a rotating shaft; 11. a cross bar; 12. a threaded rod; 13. a spring rod; 14. positioning holes; 15. a mounting groove; 16. a guide bar; 17. a protective cover; 18. and (5) an blackboard eraser.

Detailed Description

For the purpose of further illustrating the various embodiments, the present utility model provides the accompanying drawings, which are a part of the disclosure of the present utility model, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present utility model, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.

According to an embodiment of the present utility model, a tablet teaching aid is provided.

Example 1

As shown in fig. 1-4, according to the embodiment of the utility model, the tablet teaching aid comprises a tablet body 1, a movable base 2 is arranged below the bottom of the tablet body 1, a supporting rod 4 is fixedly arranged on the movable base 2, the rear side of the tablet body 1 is slidably connected with the supporting rod 4 through a sliding block 3, sliding grooves 5 are formed in inner cavities at two ends of the tablet body 1, a writing auxiliary board 6 is slidably arranged in the inner cavities of the sliding grooves 5, a cleaning rod 7 is arranged in an opening of the sliding grooves 5, a fixing box 8 is fixedly arranged at the bottom of the tablet body 1, a rotating shaft 10 is rotatably arranged in the inner cavities of the fixing box 8, a movable rod 9 is slidably arranged in front of the tablet body 1, two ends of the movable rod 9 are slidably connected with two ends of the tablet body 1, a movable wheel with a brake pad is fixedly arranged at the bottom of the movable base 2, the sliding block 3 is sleeved on the supporting rod 4, fixing bolts penetrate through the sliding block 3, a cross rod 11 is fixedly arranged between the supporting rods 4, a threaded rod 12 is rotatably arranged between the cross rods 11, the back of the tablet body 1 can be screwed with the threaded rod 12 through the sliding block 12, and then the tablet body can be adjusted to be higher than the proper height by a teacher through the sliding body 1, and the threaded rod can be adjusted to be higher than the threaded rod 1.

Example two

As shown in fig. 1-4, a tablet teaching aid according to an embodiment of the present utility model comprises a tablet body 1, a movable base 2 is provided below the bottom of the tablet body 1, a support rod 4 is fixedly provided on the movable base 2, the rear side of the tablet body 1 is slidably connected with the support rod 4 through a sliding block 3, sliding grooves 5 are provided in inner cavities at both ends of the tablet body 1, a tablet 6 is slidably provided in the inner cavity of the sliding grooves 5, a cleaning rod 7 is provided in the opening of the sliding grooves 5, a fixing box 8 is fixedly provided at the bottom of the tablet body 1, a rotating shaft 10 is rotatably provided in the inner cavity of the fixing box 8, a moving rod 9 is slidably provided in front of the tablet body 1, both ends of the moving rod 9 are slidably connected with both ends of the tablet body 1, a spring 13 is fixedly provided on the rear side of the sliding grooves 5, and the spring 13 is connected with the side walls of the sliding grooves 5 through a reset spring, positioning holes 14 are uniformly provided on the rear side of the tablet 6, the spring 13 is inserted into the positioning holes 14, the spring 13 is firstly pulled out of the sliding grooves, the tablet 6 is pulled out of the sliding grooves, a cleaning rod 7 is pulled out of the tablet 6, and the brush 5 is not drawn out of the sliding grooves 7 and is placed in contact with the top of the sliding grooves 6, and the sliding grooves 15 is not occupied by the sliding grooves 7, and the sliding grooves 15 are not in contact with the top of the tablet body 5, and the sliding grooves 5 is mounted with the sliding grooves 5, and the brush grooves are not at any side of the top groove is mounted on the bottom of the top groove 5, and the top groove is cleaned, and the bottom of the tablet is mounted on the tablet body is mounted on the bottom of the tablet body and the tablet body is mounted. The next use is convenient.

Example III

As shown in fig. 1-4, a tablet teaching aid according to an embodiment of the utility model comprises a tablet body 1, a movable base 2 is arranged below the bottom of the tablet body 1, a supporting rod 4 is fixedly arranged on the movable base 2, the rear side of the tablet body 1 is in sliding connection with the supporting rod 4 through a sliding block 3, sliding grooves 5 are formed in inner cavities of two ends of the tablet body 1, a writing auxiliary tablet 6 is slidably arranged in the inner cavities of the sliding grooves 5, a cleaning rod 7 is arranged in an opening of the sliding grooves 5, a fixed box 8 is fixedly arranged at the bottom of the tablet body 1, a rotating shaft 10 is rotatably arranged in the inner cavities of the fixed box 8, a movable rod 9 is slidably arranged in front of the tablet body 1, two ends of the movable rod 9 are slidably connected with two ends of the tablet body 1, guide strips 16 are fixedly arranged at two ends of the movable rod 9 and are respectively arranged in the guide strips 16, a protective cover 17 is fixedly arranged on the outer side of the movable rod 9, a brush 18 is fixedly arranged on the inner wall of the inner wall, a handle is fixedly arranged on the protective cover 17, the protective cover 9 is conveniently arranged on the front side of the tablet body 1, a cleaning rod 7 is rotatably provided with a cleaning rod 7, a rotating shaft 10 is rotatably arranged in the front of the tablet body, a brush 10 is rotatably arranged on the brush, the brush 10 is rotatably arranged in the brush box, the brush box is fixedly arranged at the bottom of the brush box 18, and can be cleaned up by the brush 20, dust can be effectively cleaned by the brush 20 is more quickly, and the brush dust can be effectively removed by the brush or the brush is quickly and is fixed at the end of the brush 20 and is in the brush box and has the brush or the brush box is in the brush box and the brush box is in the condition and the brush condition and has the brush condition and the brush condition is in the condition and has the brush dust can and has the dust can and the dust can be cleaned.

In summary, by means of the technical scheme of the utility model, when the device is used, the height of the writing board body 1 on the supporting rod 4 can be adjusted, so that the device is more suitable for teachers with different heights to use, students can conveniently watch the writing board, the practicability is improved, the writing board 6 can be pulled out while teaching, the teaching writing area of the writing board is increased while the whole area of the writing board is not increased, more teaching contents are written, the teaching contents are facilitated, after teaching, the writing board 6 is pushed back into the sliding groove 5, the movable rod 9 is pulled out from the fixed box 8, the writing board body 1 moves up and down, the contents on the writing board can be erased, the use is more convenient, then the movable rod enters the fixed box 8, the rotating shaft 10 in the fixed box is rotated, and the blackboard eraser 18 on the movable rod 9 is cleaned, so that the effect of erasing the blackboard eraser is prevented from being influenced by too much accumulated chalk dust.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (6)

1. The utility model provides a clipboard teaching aid, includes clipboard body (1), its characterized in that: the utility model discloses a writing board, including writing board body (1), fixed box (8) that is equipped with in writing board body (1), writing board body (1) bottom below is equipped with and removes base (2), it is equipped with bracing piece (4) to remove fixed on base (2) to remove, writing board body (1) rear side is through sliding block (3) and bracing piece (4) sliding connection, sliding tray (5) have been seted up to writing board body (1) both ends inner chamber, sliding tray (5) inner chamber slip is equipped with writing subplate (6), be equipped with cleaning rod (7) in sliding tray (5) opening, writing board body (1) bottom is fixed and is equipped with fixed box (8), fixed box (8) inner chamber rotation is equipped with pivot (10), writing board body (1) front side sideslip is equipped with movable rod (9), movable rod (9) both ends and writing board body (1) both ends sliding connection.

2. A writing board teaching aid according to claim 1 and characterized in that: the movable wheel with the brake pads is fixedly arranged at the bottom of the movable base (2), the sliding block (3) is sleeved on the supporting rod (4), fixing bolts penetrate through the sliding block (3), a cross rod (11) is fixedly arranged between the supporting rods (4), a threaded rod (12) is rotatably arranged between the cross rods (11), and the back of the writing board body (1) is in sliding connection with the threaded rod (12) through the sliding screw blocks.

3. A tablet teaching aid as claimed in claim 2, wherein: the utility model discloses a writing instrument, including sliding tray (5), spring rod (13), locating hole (14) have evenly been seted up to sliding tray (5) rear side, and spring rod (13) are connected with sliding tray (5) lateral wall through reset spring, writing accessory board (6) back, spring rod removes the end and inserts in locating hole (14).

4. A tablet teaching aid according to claim 3 and characterised in that: the utility model discloses a brush pen, including fixed box (8), fixed box, sliding tray (5), cleaning rod (7), mounting groove (15) have been seted up at sliding tray (5) top, cleaning rod (7) set up in mounting groove (15), be equipped with the soft brush strip on cleaning rod (7), and soft brush strip and write accessory board (6) contact, sliding tray (5) bottom and fixed box (8) through connection.

5. A writing board teaching aid according to claim 4 and wherein: the blackboard writing board is characterized in that guide strips (16) are fixedly arranged at two ends of the writing board body (1), two ends of the movable rod (9) are arranged in the guide strips (16), a protective cover (17) is arranged on the outer side of the movable rod (9), an blackboard eraser (18) is fixedly arranged on the inner wall of the protective cover, and a handle is fixedly arranged on the protective cover (17).

6. A writing board teaching aid according to claim 5 and wherein: the bottom end of the guide strip (16) is positioned in the fixed box (8), a rotating handle is fixedly arranged at one end of the rotating shaft (10), a hard brush is uniformly and fixedly arranged on the rotating shaft (10), and the hard brush is in contact with the blackboard eraser (18).