Teaching board convenient to use

Abstract

The utility model relates to the technical field of teaching appliances, in particular to a teaching board convenient to use, which can adjust the height of the teaching board, is convenient for students with different heights to use, brings convenience for teachers to write teaching contents, and improves the use convenience. Comprising an H-shaped support and a U-shaped frame, bottom plates are fixedly connected to the bottoms of the two sides of the H-shaped support, guide rails are fixedly arranged at the front end and the rear end of the U-shaped frame, two sets of sliding grooves are symmetrically formed in the inner side of the H-shaped support, and the U-shaped frame is slidably installed on the H-shaped support through cooperation of the guide rails and the sliding grooves; a hand wheel is fixedly arranged at the left end of the adjusting lead screw, a transmission plate is arranged on the adjusting lead screw in a screwed and sleeved mode, the bottom end of the transmission plate makes contact with the bottom end of the inner side of the L-shaped supporting plate, two sets of connecting rods are symmetrically and rotationally arranged on the transmission plate, a connecting base is fixedly arranged at the bottom end of the left side of the U-shaped frame, and the tops of the two sets of connecting rods rotationally sleeve the connecting base.

Description

TECHNICAL FIELD

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

[0002] In the primary school teaching process, the teacher sometimes uses the teaching board, and the teaching board is a commonly used teaching aid in the primary school teaching, and the teaching board is usually placed in the classroom, and the content is written by chalk or water-based pen, which plays a role of explanation and demonstration, and the teacher can write the main content to be explained in class in advance on the teaching board, thereby saving the time of blackboard writing in class, improving the teaching efficiency of the classroom, and providing great convenience for the teacher's preparation and teaching.

[0003] When the teacher uses the teaching board to teach, the students are sometimes allowed to write on the teaching board, so as to understand the mastering situation of the students, but the existing teaching board cannot adjust the height when being used, so that it is inconvenient for students of different heights to use, and the teacher is also inconvenient when writing teaching content, and the use convenience is poor. UTILITY MODEL CONTENT

[0004] To solve the above technical problems, the utility model provides a convenient teaching board which can adjust the height of the teaching board, is convenient for students of different heights to use, brings convenience to the teacher when writing teaching content, and improves the use convenience.

[0005] TECHNICAL SCHEME

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a convenient teaching board, including teaching component and lifting adjusting mechanism, the teaching component includes H type support and U type frame, and the bottom of both sides of the H type support is fixedly connected with the bottom plate, and the front and rear ends of the U type frame are fixedly provided with guide rails, and the inner side of the H type support is symmetrically provided with two groups of sliding grooves, and the U type frame is slidably installed on the H type support through the cooperation of the guide rail and the sliding groove, and the teaching board is rotatably installed on the U type frame, and the support assembly for adjusting the angle of the teaching board is arranged between the U type frame and the teaching board, the lifting adjusting mechanism includes L type support plate, the L type support plate is fixedly installed on the left end of the H type support, the L type support plate and the H type support are rotatably installed with the adjusting screw rod, the left end of the adjusting screw rod is fixedly provided with the hand wheel, the adjusting screw rod is screwedly provided with the transmission plate, the bottom end of the transmission plate is in contact with the inner bottom end of the L type support plate, two groups of connecting rods are rotatably arranged on the transmission plate, the left bottom end of the U type frame is fixedly provided with the connecting seat, and the top of the two groups of connecting rods is rotatably sleeved on the connecting seat.

[0007] Preferably, the support assembly comprises two sets of support rods and two sets of sliding blocks, the bottom of the teaching board is fixedly provided with shaft heads on both sides, the bottom of the two sets of support rods is rotatably sleeved on the two sets of shaft heads, the inner side of the U-shaped frame is symmetrically provided with two sets of sliding grooves, the right end of the U-shaped frame is provided with guide grooves in communication with the sliding grooves on both sides, the right end of the two sets of sliding blocks is fixedly provided with threaded guide columns, the two sets of sliding blocks are slidably installed on the two sets of sliding grooves through the cooperation of the threaded guide columns and the guide grooves, the inner side of the two sets of sliding blocks is fixedly provided with connecting columns, the top of the two sets of support rods is rotatably sleeved on the two sets of connecting columns, and the two sets of threaded guide columns are screwed with butterfly nuts, and the two sets of butterfly nuts are tightly attached to the right end of the U-shaped frame.

[0008] Preferably, the teaching board is fixedly connected with a tray at the right end of the bottom side, and the tray is fixedly provided with a handle at the right end.

[0009] Preferably, the bottom end of the two sets of bottom plates is symmetrically fixedly provided with two sets of universal wheels, and each set of universal wheels is provided with a brake.

[0010] Preferably, the H-shaped support is symmetrically fixedly connected with two sets of reinforcing rods between the top end of the two sets of bottom plates on both sides.

[0011] Preferably, a crank handle is rotatably arranged on the left end of the handle.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: in use, the teacher can write teaching content on the teaching board, and the height of the teaching board can be adjusted according to the length of the written content; in the adjusting process, the hand wheel is rotated to adjust the lead screw, the lead screw drives the transmission plate to move to the right, the transmission plate drives the U-shaped frame to move upwards through the cooperation of the connecting rod and the connecting seat under the guidance of the guide rail, the U-shaped frame drives the teaching board to move upwards, the height of the teaching board is increased, the situation that the teacher needs to bend down when writing to the low part of the teaching board is avoided, the teacher is facilitated to write teaching content, the height of the teaching board can be adjusted according to the height of the student when the student needs to write on the teaching board, the height of the teaching board can adapt to the use of students with different heights, the height of the teaching board can be adjusted, students with different heights are facilitated to use, the teacher is facilitated to write teaching content, and the use convenience is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is the axonometric structure schematic view of the utility model;

[0014] Figure 2 is the left view structure schematic view of the utility model;

[0015] Figure 3 is the partial axonometric structure schematic view of the utility model;

[0016] Figure 4is the axial measurement structure schematic view of the U-shaped frame in the utility model;

[0017] Figure 5 is the partial enlarged structure schematic view of the sliding block and the U-shaped frame sliding groove cooperation in the utility model;

[0018] Marked in the drawing: 1, H type support;2, bottom plate;3, U-shaped frame;4, guide rail;5, L type support plate;6, adjusting screw;7, hand wheel;8, transmission plate;9, connecting seat;10, connecting rod;11, teaching board;12, shaft head;13, support rod;14, sliding block;15, threaded guide column;16, connecting column;17, butterfly nut;18, tray;19, handle;20, universal wheel;21, reinforcing rod;22, crank. DETAILED DESCRIPTION

[0019] The specific implementation of the utility model will be described in further detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

[0020] EXAMPLE

[0021] Please refer to Figures 1-5The utility model discloses a convenient teaching board, including H type support 1 and U type frame 3, the bottom of both sides of H type support 1 is fixedly connected with bottom plate 2, and the front and rear both ends of U type frame 3 are fixedly provided with guide rail 4, and the inside symmetry of H type support 1 is equipped with two groups of sliding slot, and U type frame 3 is slidably installed on H type support 1 through the cooperation of guide rail 4 and sliding slot, and the rotation is installed with teaching board 11 on U type frame 3, and the support assembly for adjusting the angle of teaching board 11 is equipped between U type frame 3 and teaching board 11, and L type support 5 is fixedly installed in the left end of H type support 1, and the rotation is installed with adjusting screw rod 6 on L type support 5 and H type support 1, and hand wheel 7 is fixedly arranged in the left end of adjusting screw rod 6, and the transmission plate 8 is screw-mounted on adjusting screw rod 6, and the bottom end of transmission plate 8 is in contact with the inside bottom end of L type support 5, and the rotation is symmetrically equipped with two groups of connecting rods 10 on transmission plate 8, and the left bottom end of U type frame 3 is fixedly provided with connecting seat 9, and the top of two groups of connecting rods 10 is rotatably sleeved on connecting seat 9, when using, the teacher can write the teaching content on teaching board 11, and the height of teaching board 11 can be adjusted according to the length of writing content, when adjusting, adjusting screw rod 6 is rotated through hand wheel 7, and adjusting screw rod 6 drives transmission plate 8 to move right, and transmission plate 8 drives U type frame 3 to move up under the guidance of guide rail 4 through the cooperation of connecting rod 10 and connecting seat 9, and U type frame 3 drives teaching board 11 to move up, and the height of teaching board 11 is increased, avoids the situation that it still needs to bend when writing to the low place of teaching board 11, brings the convenience for the teacher to write the teaching content, and when the student needs to write on teaching board 11, the height of teaching board 11 can be adjusted according to the height of student, and the height of teaching board 11 can adapt to the use of students of different heights, so that the height of teaching board can be adjusted, is convenient for the student of different heights to use, brings the convenience for the teacher to write the teaching content, improves the use convenience.

[0022] The support assembly comprises two groups of support rods 13 and two groups of sliding blocks 14, the teaching board 11 is fixed with shaft heads 12 on both sides of the bottom, the two groups of support rods 13 are rotatably sleeved on the two groups of shaft heads 12 respectively, the inner side of the U-shaped frame 3 is symmetrically provided with two groups of sliding grooves, the right end of the U-shaped frame 3 is provided with guide grooves communicating with the sliding grooves on both sides, the right end of the two groups of sliding blocks 14 is fixedly provided with threaded guide columns 15, the two groups of sliding blocks 14 are slidably installed on the two groups of sliding grooves through the cooperation of the threaded guide columns 15 and the guide grooves, the inner side of the two groups of sliding blocks 14 is fixedly provided with connecting columns 16, the top of the two groups of support rods 13 is rotatably sleeved on the two groups of connecting columns 16 respectively, the two groups of threaded guide columns 15 are screwed with butterfly nuts 17, and the two groups of butterfly nuts 17 are tightly attached to the right end of the U-shaped frame 3; when writing on the teaching board 11, in addition to adjusting the height of the teaching board 11, the inclination angle of the teaching board 11 can also be adjusted through the support assembly, initially, the teaching board 11 and the support rod 13 are both vertical, when adjustment is needed, the butterfly nuts 17 on both sides are loosened, then the teaching board 11 can be rotated outward, the teaching board 11 pulls the sliding block 14 to slide downward along the sliding groove through the cooperation of the support rod 13 and the connecting column 16, after the teaching board 11 is adjusted to the appropriate inclination angle, the butterfly nuts 17 on both sides are tightened to fix the position of the sliding block 14, and then the support rod 13 stably supports the teaching board 11, further facilitating writing.

[0023] The teaching board 11 is fixedly connected with a tray 18 at the right end of the lower side, and the tray 18 is fixedly provided with a handle 19; in use, the tray 18 can be conveniently placed with utensils for writing, and the handle 19 can be pulled to rotate the teaching board 11, thereby facilitating the angle adjustment of the teaching board 11.

[0024] The bottom plate 2 is fixedly installed with two groups of universal wheels 20 at the bottom end, and each group of universal wheels 20 is provided with a brake; the universal wheels 20 can facilitate the movement of the device and the adjustment of the placement position.

[0025] The H-shaped support 1 is fixedly connected with two groups of reinforcing rods 21 between the top end of the two groups of bottom plates 2 and the two sides; the reinforcing rods 21 can make the connection between the bottom plate 2 and the H-shaped support 1 more firm and stable.

[0026] The hand wheel 7 is rotatably provided with a crank 22 on the left end; the crank 22 can make the hand wheel 7 more convenient to rotate.

[0027] The utility model discloses a convenient teaching board, its working principle, in use, the teacher can write the teaching content on teaching board 11, can adjust the height of teaching board 11 according to the length of writing content when writing, when adjusting, through hand wheel 7 rotation adjustment screw rod 6, make adjustment screw rod 6 drive transmission plate 8 move to right, and transmission plate 8 then through the cooperation of connecting rod 10 and connecting seat 9 push U type frame 3 under the guidance of guide rail 4 and move upwards, make U type frame 3 drive teaching board 11 and move upwards, height of teaching board 11 is elevated, avoid the situation of needing to bend when writing to the low place of teaching board 11, bring the convenience of writing teaching content to the teacher, and when student needs to write on teaching board 11, can adjust the height of teaching board 11 according to the height of student, make the height of teaching board 11 can adapt to the student use of different height, when writing on teaching board 11, in addition to adjusting the height of teaching board 11, still can adjust the inclination angle of teaching board 11 through supporting assembly, initially teaching board 11 and support rod 13 are all in vertical, when needing to adjust, the butterfly nut 17 on both sides is loosened, then can rotate teaching board 11 outward, make teaching board 11 pull along sliding block 14 and slide down along the sliding slot through the cooperation of support rod 13 and connecting column 16, after adjusting teaching board 11 to suitable inclination angle, again the butterfly nut 17 on both sides is tightened, make sliding block 14 position fixed, further make support rod 13 stably support teaching board 11, further bring the convenience for writing.

[0028] The utility model discloses a convenient teaching board, its installation mode, connecting mode or setting mode are all common mechanical mode, can be implemented as long as reaching its beneficial effect, the universal wheel of the utility model discloses a convenient teaching board is purchased on the market, and the technical personnel in this industry only needs to install and operate according to its attached instruction manual.

[0029] The above only is the preferred implementation mode of the utility model, should point out, for the ordinary technical personnel of this technical field, on the premise of not departing from the technical principle of the utility model, still can make a number of improvements and variations, these improvements and variations also should be regarded as the protection range of the utility model.

Claims

1. A teaching board which is easy to use, characterized in that, The teaching assembly comprises an H-shaped support (1) and a U-shaped frame (3), the bottom of the H-shaped support (1) is fixedly connected with a bottom plate (2), the front and rear ends of the U-shaped frame (3) are fixedly provided with guide rails (4), the inner side of the H-shaped support (1) is symmetrically provided with two groups of sliding grooves, the U-shaped frame (3) is slidingly installed on the H-shaped support (1) through the cooperation of the guide rails (4) and the sliding grooves, the U-shaped frame (3) is rotatably installed with a teaching plate (11), and a supporting assembly for adjusting the angle of the teaching plate (11) is arranged between the U-shaped frame (3) and the teaching plate (11). The lifting adjusting mechanism comprises an L-shaped support plate (5), the L-shaped support plate (5) is fixedly installed at the left end of the H-shaped support (1), the L-shaped support plate (5) and the H-shaped support (1) are rotatably installed with an adjusting lead screw (6), the left end of the adjusting lead screw (6) is fixedly provided with a hand wheel (7), the adjusting lead screw (6) is screwedly provided with a transmission plate (8), the bottom end of the transmission plate (8) is in contact with the inner bottom end of the L-shaped support plate (5), the transmission plate (8) is symmetrically rotatably provided with two groups of connecting rods (10), the left bottom end of the U-shaped frame (3) is fixedly provided with a connecting seat (9), and the top portions of the two groups of connecting rods (10) are rotatably sleeved on the connecting seat (9). The supporting assembly comprises two groups of supporting rods (13) and two groups of sliding blocks (14), the bottom sides of the teaching plate (11) are fixedly provided with shaft heads (12), the bottoms of the two groups of supporting rods (13) are rotatably sleeved on the two groups of shaft heads (12), the inner side of the U-shaped frame (3) is symmetrically provided with two groups of sliding grooves, the right ends of the U-shaped frame (3) are provided with guide grooves in communication with the sliding grooves, the right ends of the two groups of sliding blocks (14) are fixedly provided with threaded guide columns (15), the two groups of sliding blocks (14) are slidingly installed on the two groups of sliding grooves in a threaded guide column (15) and a guide groove matched mode, the inner sides of the two groups of sliding blocks (14) are fixedly provided with connecting columns (16), the tops of the two groups of supporting rods (13) are rotatably sleeved on the two groups of connecting columns (16), the two groups of threaded guide columns (15) are screwedly provided with butterfly nuts (17), and the two groups of butterfly nuts (17) are tightly attached to the right end of the U-shaped frame (3).

2. A convenient teaching board as claimed in claim 1, wherein, The right end of the teaching plate (11) is fixedly connected with a tray (18), and the right end of the tray (18) is fixedly provided with a handle (19).

3. A convenient teaching board as claimed in claim 2, wherein, The bottoms of the two groups of bottom plates (2) are symmetrically fixedly installed with two groups of universal wheels (20), and each group of universal wheels (20) is provided with a brake.

4. A convenient teaching board as claimed in claim 3, wherein, The two sides of the H-shaped support (1) and the tops of the two groups of bottom plates (2) are symmetrically fixedly connected with two groups of reinforcing rods (21).

5. A convenient teaching board as claimed in claim 4, wherein, The left end of the hand wheel (7) is rotatably provided with a crank (22).

6. A convenient teaching board as claimed in claim 5, wherein, ​

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