Colorful staff teaching board

Abstract

The utility model belongs to the technical field of teaching aids, and particularly relates to a colored staff teaching board, which comprises a base and a main board body, a cavity is arranged in the base, a screw rod is rotatably inserted in the cavity, a worm gear is fixedly sleeved on the screw rod, a worm meshed with the worm gear is rotatably inserted in the cavity, and the main board body is fixedly sleeved on the worm gear. One end of the worm penetrates through the inner wall of the cavity and is fixedly connected with a rotary knob, a fastening bolt is inserted into the rotary knob in a threaded mode, a plurality of fastening grooves corresponding to the fastening bolt are formed in the outer wall of the base in a surrounding mode, the top of the screw penetrates through the inner wall of the cavity and extends upwards, and the extending end of the screw is sleeved with a threaded sleeve in a threaded mode; a plurality of supporting blocks are fixedly connected to the outer wall of the threaded sleeve and connected with the top of the base through telescopic rods. According to the utility model, through the arrangement of a plurality of adjusting mechanisms, the teaching board can be freely adjusted according to actual installation requirements, so that the use convenience of the staff teaching board is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of teaching tools, in particular to a colorful five-line teaching board. Background Art

[0002] Teaching with staff notation is an important part of music teaching. Currently, teaching with staff notation is generally done by drawing five lines on a flat blackboard, and then drawing the names of the notes in a stepped "bean sprout" pattern. After the teacher plays a note on the piano keyboard, he stands up and points out the location of the note name on the blackboard.

[0003] The five-line staff records the frequency (Hertz, abbreviated as HZ), duration (length of sound) and intensity (volume of sound) of sounds by marking various notes (including but not limited to whole notes, half notes, quarter notes, eighth notes, sixteenth notes, thirty-second notes, sixty-fourth notes, etc.) on the staff at different positions of the note heads.

[0004] However, the existing teaching board for five-line staff has a relatively simple structure, and the teaching board cannot be freely adjusted according to actual installation needs, thereby affecting the convenience of using the five-line staff teaching board. Utility Model Content

[0005] The utility model aims to solve the problem that the teaching board proposed in the above background technology cannot be freely adjusted according to the actual installation needs, and proposes a color five-line teaching board.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A color five-line music teaching board, comprising a base and a main board body, wherein a cavity is arranged in the base, a screw is rotatably inserted in the cavity, a worm wheel is fixedly sleeved on the screw, a worm engaged with the worm wheel is rotatably inserted in the cavity, one end of the worm passes through the inner wall of the cavity and is fixedly connected with a knob, a fastening bolt is threadedly inserted on the knob, a plurality of fastening grooves corresponding to the fastening bolts are arranged around the outer wall of the base, the top of the screw passes through the inner wall of the cavity and extends upward, and a screw is threadedly sleeved on one end of the extended screw A threaded sleeve, a plurality of support blocks are fixedly connected to the outer wall of the threaded sleeve, the support blocks are connected to the top of the base by a telescopic rod, the top of the threaded sleeve is rotatably connected to a support frame, the bottom of the support frame is rotatably connected to an arc-shaped clamping rod by a pin shaft, a plurality of clamping grooves corresponding to the arc-shaped clamping rod are arranged around the threaded sleeve, the bottom of the main board body is rotatably connected to the support frame by a rotating rod, one end of the rotating rod is fixedly connected to a handle, a locking groove is provided on the outer wall of the support frame, and a locking mechanism corresponding to the handle is fixedly connected in the locking groove.

[0008] Preferably, a plurality of fixing blocks are fixedly connected to the bottom of the base, and fixing holes are provided on the fixing blocks.

[0009] Preferably, one end of the screw rod located in the threaded sleeve is fixedly connected to a limiting block.

[0010] Preferably, a torsion spring is sleeved on the pin shaft, and two ends of the torsion spring are respectively against the arc-shaped clamping rod and the support frame.

[0011] Preferably, the locking mechanism comprises a support rod, an L-shaped rod is slidably sleeved on the support rod, a spring is sleeved on the support rod, and two ends of the spring are respectively fixedly connected to the L-shaped rod and the inner wall of the locking groove.

[0012] Preferably, the main board body is coated with a colorful stave.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The worm is driven to rotate by turning the knob, and the screw is driven to rotate by the meshing action between the worm and the worm wheel, so that the support frame is driven to move up and down through the threaded sleeve to adjust the height of the main board body. The direction of the main board body can be adjusted by turning the support frame, and the angle of the main board body can be adjusted by turning the handle to drive the rotating rod to rotate. In the utility model, multiple adjustment mechanisms are set up, so that the teaching board can be freely adjusted according to the actual installation needs, thereby effectively improving the convenience of using the five-line teaching board;

[0015] 2. The setting of the fixed block can facilitate the fixing of the base. At the same time, the telescopic rod can prevent the threaded sleeve from shaking. The setting of the arc-shaped clamping rod can fix the support frame. The spring can provide a certain elastic support for the L-shaped plug rod.

[0016] 3. The setting of colored musical notation. In terms of function, the colored musical notation can visually enable learners and performers to find the pitch position of the music score more quickly, predict the direction of the melody in advance, and improve the efficiency of learning the musical notation. From an aesthetic point of view, the color makes the music score more beautiful, attracts the attention of performers and learners, and increases the fun of learning. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural schematic diagram of a colored five-line musical notation teaching board proposed by the utility model;

[0018] Figure 2 It is a side view structural diagram of the worm gear in a color five-line musical notation teaching board proposed by the utility model;

[0019] Figure 3 for Figure 1 Schematic diagram of the structure at point A in .

[0020] In the figure: 1 base, 2 main body, 3 screw, 4 worm gear, 5 worm, 6 knob, 7 fastening bolt, 8 threaded sleeve, 9 support block, 10 telescopic rod, 11 support frame, 12 pin shaft, 13 arc clamping rod, 14 rotating rod, 15 handle, 16 fixing block, 17 limit block, 18 support rod, 19 L-shaped plug rod, 20 spring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figure 1-3 A color stave teaching board includes a base 1 and a main board body 2. A plurality of fixing blocks 16 are fixedly connected to the bottom of the base 1. The fixing blocks 16 are provided with fixing holes for conveniently fixing the base 1. The main board body 2 is coated with a color stave. A cavity is provided in the base 1. A screw 3 is rotatably inserted in the cavity to drive a threaded sleeve 8 to move up and down. A worm wheel 4 is fixedly sleeved on the screw 3. A worm 5 meshing with the worm wheel 4 is rotatably inserted in the cavity. One end of the worm 5 passes through the inner wall of the cavity and is fixedly connected with a knob 6 to drive the worm 5 to rotate.

[0023] In this embodiment, a fastening bolt 7 is threadedly inserted on the knob 6, and a plurality of fastening grooves corresponding to the fastening bolts 7 are arranged around the outer wall of the base 1 for fixing the knob 6. The top of the screw rod 3 passes through the inner wall of the cavity and extends upward. One end of the extended screw rod 3 is threadedly sleeved with a threaded sleeve 8. One end of the screw rod 3 located in the threaded sleeve 8 is fixedly connected to a limiting block 17 to prevent the screw rod 3 from falling off from the threaded sleeve 8. A plurality of support blocks 9 are fixedly connected to the outer wall of the threaded sleeve 8. The support blocks 9 are connected to the top of the base 1 through a telescopic rod 10 to prevent the threaded sleeve 8 from shaking.

[0024] In this embodiment, the top of the threaded sleeve 8 is rotatably connected to the support frame 11, and the bottom of the support frame 11 is rotatably connected to the arc-shaped clamping rod 13 through the pin shaft 12. A torsion spring is sleeved on the pin shaft 12, and the two ends of the torsion spring are respectively against the arc-shaped clamping rod 13 and the support frame 11, providing a certain torsion support for the arc-shaped clamping rod 13. A plurality of clamping grooves corresponding to the arc-shaped clamping rod 13 are arranged around the threaded sleeve 8, and the bottom of the main body 2 is rotatably connected to the support frame 11 through a rotating rod 14;

[0025] In this embodiment, one end of the rotating rod 14 is fixedly connected to a handle 15 for driving the rotating rod 14 to rotate. A locking groove is provided on the outer wall of the support frame 11, and a locking mechanism corresponding to the handle 15 is fixedly connected in the locking groove. The locking mechanism includes a support rod 18, and an L-shaped plug rod 19 is slidably sleeved on the support rod 18. A spring 20 is sleeved on the support rod 18. The two ends of the spring 20 are respectively fixedly connected to the L-shaped plug rod 19 and the inner wall of the locking groove, providing a certain elastic support for the L-shaped plug rod 19.

[0026] In this embodiment, the worm 5 is driven to rotate by rotating the knob 6, and the screw 3 is driven to rotate through the meshing action between the worm 5 and the worm wheel 4, so that the support frame 11 is driven to move up and down through the threaded sleeve 8 to adjust the height of the main board body 2. The support frame 11 can be rotated to adjust the direction of the main board body 2. The handle 15 drives the rotating rod 14 to rotate to adjust the angle of the main board body 2, and then the handle 15 is fixed by the locking mechanism.

[0027] In this embodiment, the setting of colored five-line music scores, in terms of function, the colored music scores can visually enable learners and performers to find the pitch position of the music score more quickly, predict the melody direction in advance, and improve the efficiency of learning the five-line music scores. From an aesthetic point of view, the color makes the music score more beautiful, can better attract the attention of performers and learners, and increase the fun of learning.

[0028] In this embodiment, by setting up multiple adjustment mechanisms, the teaching board can be freely adjusted according to actual installation needs, thereby effectively improving the convenience of using the staff teaching board.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A colored five-line musical notation teaching board, comprising a base (1) and a main board body (2), characterized in that: The base (1) is provided with a cavity, a screw (3) is rotatably inserted in the cavity, a worm wheel (4) is fixedly sleeved on the screw (3), a worm (5) meshing with the worm wheel (4) is rotatably inserted in the cavity, one end of the worm (5) passes through the inner wall of the cavity and is fixedly connected to a knob (6), a fastening bolt (7) is threadedly inserted on the knob (6), a plurality of fastening grooves corresponding to the fastening bolts (7) are arranged around the outer wall of the base (1), the top of the screw (3) passes through the inner wall of the cavity and extends upward, one end of the screw (3) is threadedly sleeved with a threaded sleeve (8), and a plurality of screws (8) are fixedly connected to the outer wall of the threaded sleeve (8). A support block (9) is connected to the top of the base (1) through a telescopic rod (10); the top of the threaded sleeve (8) is rotatably connected to a support frame (11); the bottom of the support frame (11) is rotatably connected to an arc-shaped clamping rod (13) through a pin shaft (12); a plurality of clamping grooves corresponding to the arc-shaped clamping rod (13) are arranged around the threaded sleeve (8); the bottom of the main body (2) is rotatably connected to the support frame (11) through a rotating rod (14); one end of the rotating rod (14) is fixedly connected to a handle (15); a locking groove is provided on the outer wall of the support frame (11); a locking mechanism corresponding to the handle (15) is fixedly connected in the locking groove.

2. A color staff teaching board according to claim 1, characterized in that: A plurality of fixing blocks (16) are fixedly connected to the bottom of the base (1), and fixing holes are provided on the fixing blocks (16).

3. A color staff teaching board according to claim 1, characterized in that: One end of the screw rod (3) located inside the threaded sleeve (8) is fixedly connected to a limiting block (17).

4. A color staff teaching board according to claim 1, characterized in that: A torsion spring is sleeved on the pin shaft (12), and two ends of the torsion spring are respectively against the arc-shaped clamping rod (13) and the support frame (11).

5. A color staff teaching board according to claim 1, characterized in that: The locking mechanism comprises a support rod (18), an L-shaped plug rod (19) is slidably sleeved on the support rod (18), a spring (20) is sleeved on the support rod (18), and two ends of the spring (20) are respectively fixedly connected to the L-shaped plug rod (19) and the inner wall of the locking groove.

6. A color staff teaching board according to claim 1, characterized in that: The main board body (2) is coated with a colorful stave.

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