Music score display board

Abstract

The utility model provides a music score display board, which belongs to the technical field of display teaching, aims to solve the problems that the drawing time is longer, the labor capacity of workers is larger, the waiting time of viewers is longer and the learning efficiency is influenced when the existing display board is used, and comprises a display bracket, the display board is fixedly connected to the upper part of the display bracket; the vertical drawing sliding seat is vertically slidably connected to the front end face of the display board. The small pitch line drawing plate is connected to the interior of the vertical drawing sliding seat in a sliding mode, and small pitch line drawing pens are evenly arranged on the rear side face of the small pitch line drawing plate; the nodal line drawing transmission assembly is arranged in the vertical drawing sliding seat and drives the nodal line drawing plate to slide intermittently. The removing and drawing transmission assembly is arranged in the left-right sliding seat, and the operation handle achieves sliding of the removing plate / the score line drawing plate through the removing and drawing transmission assembly. According to the utility model, nodal lines and spectral lines can be drawn quickly, and the display efficiency and the display effect are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of display teaching, and more specifically, particularly relates to a music score display board. Background Art

[0002] In the demonstration teaching of music and vocal music, it is often necessary to display the music score through a display board. The display board is a plate-like structure, and the music score is written on the display board by chalk or whiteboard pen. When using it, the score lines are first drawn on the display board, and then the music score and bar lines are written on the score lines.

[0003] Based on the above, the existing display board needs to draw the music scores one by one during use, which takes a long time and requires a lot of labor for the staff. At the same time, during the music score drawing process, the viewers need to wait for the drawing to be completed before writing and explaining the music scores. The waiting time for the viewers is long, which affects the learning efficiency. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a music score display board to solve the problem that the existing display board needs to draw the score lines one by one during use, which takes a long time and requires a lot of labor for the staff. At the same time, during the score drawing process, the viewers need to wait for the drawing to be completed before writing and explaining the score, which takes a long time for the viewers and affects the learning efficiency.

[0005] The purpose and effect of the music score display board of the utility model are achieved by the following specific technical means:

[0006] A sheet music display board comprises a display bracket;

[0007] A display board, the display board is fixedly connected to the upper part of the display bracket;

[0008] A vertical drawing sliding seat, which slides up and down and is connected to the front end surface of the display board;

[0009] A bar line drawing board, the bar line drawing board is slidably connected to the inside of the vertical drawing sliding seat, and bar line drawing pens are evenly arranged on the rear side of the bar line drawing board;

[0010] A bar line drawing transmission component is arranged inside the vertical drawing sliding seat, and the bar line drawing transmission component drives the bar line drawing plate to slide intermittently;

[0011] A left-right sliding seat, which is slidably connected to the front end of the display board;

[0012] An operating handle, the operating handle is rotatably connected to the middle of the front end surfaces of the left and right sliding seats;

[0013] A cleaning plate, the cleaning plate is slidably connected inside the left and right sliding seats, and a cleaning wipe is fixedly connected to the bottom of the cleaning plate;

[0014] A spectrum line drawing board, which is slidably connected inside the left and right sliding seats;

[0015] A clearing and drawing transmission component is arranged inside the left and right sliding seats, and the operating handle realizes the sliding of the clearing plate / spectrum line drawing plate through the clearing and drawing transmission component.

[0016] Furthermore, the right end of the vertical drawing sliding seat is a flat structure, there is a gap between the rear of the left and right sliding seats and the display board, and a rectangular opening is provided on the top of the left and right sliding seats.

[0017] Furthermore, the bar line drawing transmission component includes:

[0018] Rollers, there are two rollers in total, the two rollers are rotatably connected to the bottom of the left and right sides of the vertical drawing sliding seat, the outer side of the rollers are evenly arranged with anti-slip grooves, and the rollers are pressed tightly on the display board;

[0019] A first gear, the first gear is coaxially fixedly connected to the inner side of the roller;

[0020] An intermediate transmission shaft, the intermediate transmission shaft is rotatably connected inside the vertical drawing sliding seat;

[0021] The second gear is coaxially fixedly connected to both ends of the intermediate transmission shaft, and the first gear is meshed with the second gear to form a gear transmission structure;

[0022] Active bevel gear, there are two active bevel gears in total, and the two active bevel gears are coaxially fixedly connected to the left and right sides of the intermediate transmission shaft respectively;

[0023] A drawing cam, the drawing cam is rotatably connected to the inside of the left and right sides of the vertical drawing sliding seat;

[0024] The driven bevel gear is fixedly connected to the end of the drawing cam, and the driving bevel gear and the driven bevel gear on the same side are meshed to form a bevel gear transmission structure.

[0025] Furthermore, a spring is provided on both sides of the bar line drawing plate, and the bar line drawing plate is elastically connected to the vertical drawing sliding seat through the spring. Two drawing cams are respectively pressed on the left and right sides of the bar line drawing plate, and the drawing cam and the bar line drawing plate together constitute a cam transmission structure.

[0026] Furthermore, bar line drawing pens are evenly arranged and installed on the bottom of the bar line drawing board.

[0027] Furthermore, the clear drawing transmission component includes:

[0028] A protrusion, a disc is coaxially fixedly connected to the bottom of the operating handle, a protrusion is fixedly connected to the bottom edge of the disc, a spring is arranged on the upper and lower sides of the clearing plate, a spring is arranged on the upper and lower sides of the spectrum drawing board, there is a gap between the clearing plate and the spectrum drawing board, the protrusion and the clearing plate / spectrum drawing board form a cam transmission mechanism, in use, when the operating handle is in a horizontal state, the protrusion is located in the gap between the clearing plate and the spectrum drawing board, at this time, the clearing plate and the spectrum drawing board are both in a pop-up state, when it is necessary to draw a spectrum, the operating handle is rotated counterclockwise, the protrusion slides to the top of the spectrum drawing board, and the spectrum drawing board is pressed down.

[0029] Furthermore, a cleaning wipe is fixedly connected to the bottom of the cleaning plate, and when the cleaning plate is pressed down, the cleaning wipe is pressed tightly against the display board.

[0030] Furthermore, a plurality of groups of spectrum drawing pens are evenly arranged and installed on the bottom of the spectrum drawing board, and each group of spectrum drawing pens has a total of five pens. When the spectrum drawing board is pressed down, the spectrum drawing pens are pressed tightly against the display board.

[0031] Compared with the prior art, the utility model has the following beneficial effects:

[0032] The utility model realizes intermittent drawing of bar lines and automatic line division by adopting the roller and cam structures, greatly reduces drawing operation actions and improves work efficiency.

[0033] The utility model realizes the switching between cleaning and spectrum drawing by arranging an eccentric protrusion at the bottom of the operating handle, which is simple to operate and better improves the work efficiency.

[0034] The utility model can realize the rapid drawing of bar lines and staves, and can realize the cleaning of the content on the display board at the same time; the operation is simple, and there is no need to draw one by one, which can greatly improve the work efficiency, reduce the labor intensity of the staff, reduce the waiting time of the viewers, and improve the display efficiency and display effect; the drawing and cleaning structure in the utility model is small in size, will not have a great impact on the display, and has a good use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0036] Figure 2 It is a schematic diagram of the installation structure of the vertical drawing sliding seat and the left and right sliding seats of the utility model.

[0037] Figure 3 It is a schematic diagram of the bottom structure of the left and right sliding seats of the utility model.

[0038] Figure 4It is a schematic diagram of the structure of a clearing and drawing transmission component of the utility model.

[0039] Figure 5 It is a structural schematic diagram of an operating handle of the utility model.

[0040] Figure 6 It is a vertical drawing schematic diagram of the bottom structure of the sliding seat of the utility model.

[0041] Figure 7 It is a schematic diagram of the structure of a bar line drawing transmission component of the utility model.

[0042] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0043] 1. Display bracket; 2. Display board; 3. Vertical drawing sliding seat; 4. Roller; 401. First gear; 5. Intermediate transmission shaft; 501. Second gear; 502. Active bevel gear; 6. Drawing cam; 601. Driven bevel gear; 7. Bar line drawing board; 701. Bar line drawing pen; 8. Operating handle; 801. Bump; 9. Clearing board; 901. Clearing eraser; 10. Music line drawing board; 1001. Music line drawing pen; 11. Left and right sliding seat. DETAILED DESCRIPTION

[0044] The implementation of the utility model is further described in detail below in conjunction with the drawings and examples.

[0045] Embodiment 1:

[0046] As attached Figure 1 , Attachment Figure 2 , Attachment Figure 6 and attached Figure 7 As shown:

[0047] The utility model provides a music score display board, comprising a display bracket 1;

[0048] A display board 2, the display board 2 is fixedly connected to the upper part of the display bracket 1;

[0049] A vertical drawing sliding seat 3, which is slidably connected to the front end surface of the display board 2;

[0050] A bar line drawing board 7, the bar line drawing board 7 is slidably connected to the inside of the vertical drawing sliding seat 3, and bar line drawing pens 701 are evenly arranged on the rear side of the bar line drawing board 7;

[0051] The bar line drawing transmission component is arranged inside the vertical drawing sliding seat 3, and the bar line drawing transmission component drives the bar line drawing plate 7 to slide intermittently.

[0052] Among them, as attached Figure 2As shown, the right end portion of the vertical drawing sliding seat 3 is a flat structure, there is a gap between the rear of the left and right sliding seats 11 and the display board 2, and a rectangular opening is provided on the top of the left and right sliding seats 11. In actual use, when the vertical drawing sliding seat 3 slides up and down, the flat structure at the right end portion of the vertical drawing sliding seat 3 will slide in the gap behind the left and right sliding seats 11, and when the left and right sliding seats 11 slide left and right, the rectangular opening on the top of the left and right sliding seats 11 slides over the top of the vertical drawing sliding seat 3.

[0053] Among them, the bar line drawing transmission component includes:

[0054] Roller 4, there are two rollers 4, the two rollers 4 are rotatably connected to the bottom of the left and right sides of the vertical drawing sliding seat 3, the outer side of the roller 4 is evenly arranged with anti-slip grooves, and the roller 4 is pressed tightly on the display board 2;

[0055] A first gear 401, the first gear 401 is coaxially fixedly connected to the inner side of the roller 4;

[0056] An intermediate transmission shaft 5, the intermediate transmission shaft 5 is rotatably connected to the interior of the vertical drawing sliding seat 3;

[0057] The second gear 501 is coaxially fixedly connected to both ends of the intermediate transmission shaft 5, and the first gear 401 is meshed with the second gear 501 to form a gear transmission structure;

[0058] A driving bevel gear 502, which includes two driving bevel gears 502, and the two driving bevel gears 502 are coaxially fixedly connected to the left and right sides of the intermediate transmission shaft 5;

[0059] A drawing cam 6, which is rotatably connected to the inside of the left and right sides of the vertical drawing sliding seat 3;

[0060] The driven bevel gear 601 is fixedly connected to the end of the drawing cam 6, and the driving bevel gear 502 on the same side is meshed with the driven bevel gear 601 to form a bevel gear transmission structure. In use, when the vertical drawing sliding seat 3 slides up and down, the roller 4 rolls on the display board 2, and the roller 4 drives the intermediate transmission shaft 5 to rotate through the gear transmission structure composed of the first gear 401 and the second gear 501. The intermediate transmission shaft 5 drives the drawing cam 6 to rotate through the bevel gear transmission structure composed of the driving bevel gear 502 and the driven bevel gear 601.

[0061] Among them, a spring is arranged on both sides of the bar line drawing plate 7, and the bar line drawing plate 7 is elastically connected to the vertical drawing sliding seat 3 through the spring. Two drawing cams 6 are respectively pressed on the left and right sides of the bar line drawing plate 7. The drawing cam 6 and the bar line drawing plate 7 together constitute a cam transmission structure. In use, when the drawing cam 6 rotates, the drawing cam 6 realizes intermittent sliding of the bar line drawing plate 7 through the cam structure.

[0062] Among them, bar line drawing pens 701 are evenly arranged and installed on the bottom of the bar line drawing board 7. During use, when the bar line drawing board 7 slides to the rear, the bar line drawing pens 701 contact the display board 2, and the bar lines are drawn by the bar line drawing pens 701.

[0063] Embodiment 2:

[0064] As attached Figure 3 To Attachment Figure 5 As shown:

[0065] The utility model provides a music score display board, comprising

[0066] A left-right sliding seat 11, the left-right sliding seat 11 is slidably connected to the front end surface of the display board 2;

[0067] An operating handle 8, the operating handle 8 is rotatably connected to the middle of the front end surface of the left and right sliding seats 11;

[0068] A cleaning plate 9, the cleaning plate 9 is slidably connected inside the left and right sliding seats 11, and a cleaning wipe 901 is fixedly connected to the bottom of the cleaning plate 9;

[0069] A spectrum drawing board 10, wherein the spectrum drawing board 10 is slidably connected inside the left and right sliding seats 11;

[0070] The clearing and drawing transmission assembly is arranged inside the left and right sliding seats 11, and the operating handle 8 realizes the sliding of the clearing plate 9 / spectral line drawing plate 10 through the clearing and drawing transmission assembly.

[0071] Among them, clearing the drawing transmission components includes:

[0072] Bump 801, a disc is coaxially fixedly connected to the bottom of the operating handle 8, and a bump 801 is fixedly connected to the bottom edge of the disc. A spring is provided on the upper and lower sides of the cleaning plate 9, and a spring is provided on the upper and lower sides of the spectrum drawing board 10. There is a gap between the cleaning plate 9 and the spectrum drawing board 10. The bump 801 and the cleaning plate 9 / spectrum drawing board 10 constitute a cam transmission mechanism. In use, when the operating handle 8 is in a horizontal state, the bump 801 is located in the gap between the cleaning plate 9 and the spectrum drawing board 10. At this time, the cleaning plate 9 and the spectrum drawing board 10 are both in a pop-up state. When it is necessary to draw a spectrum, the operating handle 8 is rotated counterclockwise, and the bump 801 slides to the top of the spectrum drawing board 10 to press the spectrum drawing board 10 down. When cleaning is required, the operating handle 8 is rotated clockwise, and the bump 801 slides to the top of the cleaning plate 9 to press the cleaning plate 9 down.

[0073] Among them, a cleaning wipe 901 is fixedly connected to the bottom of the cleaning plate 9. When the cleaning plate 9 is pressed down, the cleaning wipe 901 is pressed tightly on the display board 2. When the left and right sliding seats 11 slide left and right, the cleaning wipe 901 cleans the display board 2.

[0074] Among them, multiple groups of spectrum drawing pens 1001 are evenly arranged and installed on the bottom of the spectrum drawing board 10, and each group of spectrum drawing pens 1001 is provided with five pieces in total. When the spectrum drawing board 10 is pressed down, the spectrum drawing pens 1001 are pressed tightly on the display board 2. When the left and right sliding seats 11 slide left and right, the spectrum drawing pens 1001 draw spectrum lines on the display board 2.

[0075] The specific usage and function of this embodiment are as follows:

[0076] When drawing bar lines, the vertical drawing sliding seat 3 slides up and down, and the roller 4 rolls on the display board 2. The roller 4 drives the intermediate transmission shaft 5 to rotate through the gear transmission structure composed of the first gear 401 and the second gear 501. The intermediate transmission shaft 5 drives the drawing cam 6 to rotate through the bevel gear transmission structure composed of the active bevel gear 502 and the driven bevel gear 601. The drawing cam 6 realizes intermittent sliding of the bar line drawing board 7 through the cam structure. When the bar line drawing board 7 slides to the rear, the bar line drawing pen 701 contacts the display board 2, and the bar line drawing pen 701 is used to realize the bar line drawing. drawing; when it is necessary to draw a spectrum, rotate the operating handle 8 counterclockwise, the protrusion 801 slides to the top of the spectrum drawing board 10, press the spectrum drawing board 10, press the spectrum drawing pen 1001 on the display board 2, slide the left and right sliding seat 11 left and right, and the spectrum drawing pen 1001 draws a spectrum on the display board 2; when it is necessary to clean the content on the display board 2, rotate the operating handle 8 clockwise, the protrusion 801 slides to the top of the cleaning plate 9, press the cleaning plate 9, press the cleaning wipe 901 on the display board 2, slide the left and right sliding seat 11 left and right, and clean the display board 2 with the cleaning wipe 901.

Claims

1. A music score display board, characterized in that: The music score display board comprises a display stand (1); A display board (2), wherein the display board (2) is fixedly connected to the upper part of the display bracket (1); A vertical drawing sliding seat (3), the vertical drawing sliding seat (3) being slidably connected to the front end surface of the display board (2) in an up-and-down manner; A bar line drawing board (7), wherein the bar line drawing board (7) is slidably connected to the interior of the vertical drawing sliding seat (3), and bar line drawing pens (701) are evenly arranged on the rear side of the bar line drawing board (7); A bar line drawing transmission component, wherein the bar line drawing transmission component is arranged inside the vertical drawing sliding seat (3), and the bar line drawing transmission component drives the bar line drawing plate (7) to slide intermittently; A left-right sliding seat (11), the left-right sliding seat (11) being slidably connected to the front end surface of the display board (2); An operating handle (8), the operating handle (8) being rotatably connected to the middle of the front end surfaces of the left and right sliding seats (11); A cleaning plate (9), wherein the cleaning plate (9) is slidably connected inside the left and right sliding seats (11), and a cleaning wiper (901) is fixedly connected to the bottom of the cleaning plate (9); A spectrum line drawing plate (10), wherein the spectrum line drawing plate (10) is slidably connected inside the left and right sliding seats (11); A clearing and drawing transmission assembly is provided inside the left and right sliding seats (11), and the operating handle (8) realizes the sliding of the clearing plate (9) / spectral line drawing plate (10) through the clearing and drawing transmission assembly.

2. A music score display board as claimed in claim 1, characterized in that: The right end of the vertical drawing sliding seat (3) is a flat structure, a gap exists between the rear of the left and right sliding seats (11) and the display board (2), and a rectangular opening is provided on the top of the left and right sliding seats (11).

3. A music score display board as claimed in claim 1, characterized in that: The bar line drawing transmission component includes: Rollers (4), wherein two rollers (4) are provided in total, and the two rollers (4) are rotatably connected to the bottom of the left and right sides of the vertical drawing sliding seat (3), and the outer sides of the rollers (4) are evenly arranged with anti-slip grooves, and the rollers (4) are pressed tightly against the display board (2); A first gear (401), the first gear (401) being coaxially fixedly connected to the inner side of the roller (4); An intermediate transmission shaft (5), the intermediate transmission shaft (5) being rotatably connected inside the vertical drawing sliding seat (3); A second gear (501), the second gear (501) being coaxially fixedly connected to two ends of the intermediate transmission shaft (5), the first gear (401) being meshed with the second gear (501) to form a gear transmission structure; A driving bevel gear (502), wherein two driving bevel gears (502) are provided, and the two driving bevel gears (502) are coaxially fixedly connected to the left and right sides of the intermediate transmission shaft (5); A drawing cam (6), wherein the drawing cam (6) is rotatably connected to the inside of the left and right sides of the vertical drawing sliding seat (3); A driven bevel gear (601) is fixedly connected to the end of the drawing cam (6), and the driving bevel gear (502) and the driven bevel gear (601) on the same side are meshed to form a bevel gear transmission structure.

4. A music score display board as claimed in claim 3, characterized in that: A spring is provided on both the left and right sides of the bar line drawing plate (7), and the bar line drawing plate (7) is elastically connected to the vertical drawing sliding seat (3) via the spring. Two drawing cams (6) are respectively pressed on the left and right sides of the bar line drawing plate (7), and the drawing cams (6) and the bar line drawing plate (7) together form a cam transmission structure.

5. A music score display board as claimed in claim 4, characterized in that: Bar line drawing pens (701) are evenly arranged and installed on the bottom of the bar line drawing board (7).

6. A music score display board as claimed in claim 1, characterized in that: The clear drawing transmission component includes: The bottom of the operating handle (8) is coaxially fixedly connected with a disc, the bottom edge of the disc is fixedly connected with a protrusion (801), the upper and lower sides of the cleaning plate (9) are provided with a spring, the upper and lower sides of the spectrum drawing plate (10) are provided with a spring, there is a gap between the cleaning plate (9) and the spectrum drawing plate (10), the protrusion (801) and the cleaning plate (9) / the spectrum drawing plate (10) form a cam transmission mechanism, in use, when the operating handle (8) is in a horizontal state, the protrusion (801) is located in the gap between the cleaning plate (9) and the spectrum drawing plate (10), at this time, the cleaning plate (9) and the spectrum drawing plate (10) are both in a pop-up state, when it is necessary to draw a spectrum, the operating handle (8) is rotated counterclockwise, the protrusion (801) slides to the top of the spectrum drawing plate (10), and the spectrum drawing plate (10) is pressed down.

7. A music score display board as claimed in claim 6, characterized in that: A cleaning wipe (901) is fixedly connected to the bottom of the cleaning plate (9); when the cleaning plate (9) is pressed down, the cleaning wipe (901) is pressed tightly against the display plate (2).

8. A music score display board as claimed in claim 6, characterized in that: A plurality of groups of spectrum drawing pens (1001) are evenly arranged and installed on the bottom of the spectrum drawing board (10), each group of spectrum drawing pens (1001) being provided with five pens in total. When the spectrum drawing board (10) is pressed down, the spectrum drawing pens (1001) are pressed tightly against the display board (2).

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