CN217099489U - A practical demonstration device for vocal music education - Google Patents

Abstract

The utility model discloses a demonstration device for vocal music education with strong practicability, which relates to the technical field of vocal music practice equipment, comprising: a base, a universal wheel, a support rod, a support frame, a demonstration box, a controller, an inner cavity and a magnetic writing board The four corners of the bottom of the base are fixedly connected with universal wheels; the top of the base is fixedly connected with a support rod; the beneficial effect is that: by pulling the magnetic writing board, the moving block slides inside the second chute, so that the two magnetic writing boards are respectively removed from the demonstration box. The two sides are unfolded so that all the observation mirrors leak out. Through the observation mirror, users can observe their own mouth shapes and correct them in time when practicing or demonstrating vocal music; important knowledge points can be written through the magnetic writing board; when not in use When , the two magnetic writing boards can be closed, so that the two magnetic writing boards can be fixed by mutual adsorption through the magnetic strips, and at the same time, the observation mirror can be protected to prevent damage.

Description

A practical demonstration device for vocal music education

technical field

The utility model relates to the technical field of vocal music practice equipment, in particular to a demonstration device for vocal music education with strong practicability.

Background technique

Vocal music refers to the form of music sung with the human voice, and mainly through the human vocal cords, with the mouth and tongue acting on the breath, so as to produce a rhythmic sound, the breathing of vocal music is an important element in vocal music singing during vocal music practice. Some teachers usually use demonstration devices in order to improve students' mastery of vocal breathing methods. Through demonstration devices, students can more intuitively understand what they need to learn;

However, the existing demonstration devices have the following problems:

(1) When the existing demonstration device is in use, it is inconvenient to adjust the height of the demonstration device according to the needs of users of different heights, and the angle adjustment of the demonstration device cannot be carried out according to the viewing angle of the user, reducing the demonstration device. flexibility of use;

(2) The user cannot observe the mouth shape of his own pronunciation during the vocal music demonstration, and cannot timely correct the error according to the demonstration device in time, which affects the user's use;

(3) When the existing demonstration device is not in use, the display screen is exposed and cannot be protected and dustproof;

Therefore, we propose a practical demonstration device for vocal music education to solve the above problems.

Utility model content

(1) Technical problems to be solved

In order to overcome the deficiencies of the prior art, a highly practical demonstration device for vocal music education is proposed. In order to solve the problem that when the existing demonstration device is in use, it is inconvenient to adjust the height of the demonstration device according to the needs of users of different heights. In addition, the angle adjustment of the demonstration device cannot be performed according to the viewing angle of the user, which reduces the flexibility of the demonstration device; at the same time, the user cannot observe the mouth shape of his own pronunciation during vocal music demonstration, and cannot timely correct errors according to the demonstration device. Correction is carried out, which affects the use of users; at the same time, when the existing demonstration device is not in use, the display screen is exposed and cannot be protected and dustproof.

(2) Technical solutions

The utility model is realized by the following technical solutions: The utility model proposes a demonstration device for vocal music education with strong practicability, including: a base, a universal wheel, a support rod, a support frame, a demonstration box, a controller, an inner cavity, a magnetic writing board; all four corners of the bottom of the base are fixedly connected with universal wheels; the top of the base is fixedly connected with a support rod; the left and right sides of the support rod are fixedly connected with a support frame, and the other end of the support frame is fixedly connected to the base upper surface; the top of the support rod is movably connected with a demonstration box; the left side of the demonstration box is fixedly connected with a controller; the inner side of the demonstration box is fixedly connected with an inner cavity; the front of the demonstration box is fixedly connected with two magnetic writing board;

The support rod includes: a servo motor, a threaded screw, a telescopic rod, a threaded sleeve, a bearing, and a chute;

The demonstration box includes: an observation mirror, a second chute, a rotating shaft, a ball, and a camera;

The inner cavity includes: the second servo motor, the second threaded screw, the second bearing, the sliding rod, the bottom plate, the second threaded sleeve, the sliding block, and the display screen;

The magnetic writing board includes: a magnetic strip and a moving block.

As a preferred option of the present invention, a servo motor 1 is fixedly connected to the inner bottom of the support rod; a threaded screw rod 1 is fixedly connected to the top output end of the servo motor 1; a telescopic rod is movably connected inside the support rod; A threaded sleeve 1 is fixedly connected to the bottom of the telescopic rod, and the threaded sleeve 1 is internally movably connected to the threaded screw 1; one.

As a preferred option of the present invention, an observation mirror is fixedly connected to the front of the demonstration box; the upper and lower sides of the front of the demonstration box are fixedly connected with two chutes; the bottom of the demonstration box is fixedly connected with a rotating shaft, and the rotating shaft is fixedly connected to Inside the inner ring of bearing 1; balls are fixedly connected to the left and right sides of the bottom of the demonstration box, and the balls are movably connected to the inside of the chute 1; a camera is fixedly connected to the right side of the top of the demonstration box.

As a preferred form of the present invention, the left side of the inner bottom of the inner cavity is fixedly connected with the second servo motor; the top output end of the second servo motor is fixedly connected with the second threaded screw; the top of the second threaded screw is fixedly connected with a second Bearing two, and the top of the second bearing is fixedly connected to the top of the inner cavity; the inner right side of the inner cavity is fixedly connected with a sliding rod; the inner side of the inner cavity is movably connected with a bottom plate; the left side of the bottom plate is fixedly connected with a threaded sleeve Second, the second threaded sleeve is fixedly connected to the second threaded screw; the right side of the bottom plate is fixedly connected with a slider, and the inside of the slider is movably connected to the sliding rod; the top of the bottom plate is fixedly connected with a display screen.

As a preferred option of the present invention, a magnetic strip is fixedly connected in the middle of the inner edge of the magnetic writing board; moving blocks are fixedly connected on the upper and lower sides of the left side of the magnetic writing board, and the moving blocks are all movably connected inside the second chute .

As a preferred option of the present invention, the controller is electrically connected to the first servo motor, the second servo motor, the display screen and the camera.

(3) Beneficial effects

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

(1) By pulling the magnetic writing board, the moving block slides inside the second chute, so that the two magnetic writing boards are unfolded from both sides of the demonstration box respectively, so that all the observation mirrors leak out, and the users can practice or demonstrate through the observation mirror. When singing, you can observe your mouth shape and correct it in time; you can write important knowledge points through the magnetic writing board; when not in use, you can close the two magnetic writing boards, so that the two magnetic writing boards pass through the magnetic strip. It can be fixed by mutual adsorption, and at the same time, the observation mirror can be protected to prevent damage.

(2) The first threaded screw is driven by the servo motor to rotate, so that the first threaded sleeve moves up on the first threaded screw. At the same time, the first threaded sleeve also drives the telescopic rod to move upward, so that when the telescopic rod moves upward, it also drives the demonstration. The box moves synchronously, and the height of the demonstration box can be adjusted to adapt to users of different heights; at the same time, the demonstration box is moved to make the shaft rotate inside the inner ring of the bearing, and the ball also rotates inside the chute, thereby driving the demonstration The box rotates, so that the angle of the demonstration box can be adjusted according to the viewing angle of the user;

(3) The second threaded screw is driven by the second servo motor to rotate inside the inner ring of the second bearing, so that the second threaded sleeve moves upward on the second threaded rod; at the same time, the slider moves upward on the sliding rod, so that the second threaded sleeve and the second sliding rod move upwards. At the same time, it is brought to the bottom panel and the display screen moves upward, so that the display screen extends from the inner cavity, so that the display screen can be used to play vocal music demonstration teaching videos; when the display screen is not needed, the display screen can be retracted inside the inner cavity, so that The display can be protected while preventing dust from adhering to the display.

Description of drawings

Fig. 1 is the front view of the utility model as a whole;

Fig. 2 is the overall unfolding structure schematic diagram of the present utility model;

3 is a schematic diagram of the overall cross-sectional structure of the present utility model;

Fig. 4 is the left side cross-sectional structural schematic diagram of the overall demonstration box of the present invention;

FIG. 5 is an enlarged schematic view of the overall structure of FIG. 3A of the present invention.

The reference numerals are explained as follows:

1. Base; 2. Universal wheel; 3. Support rod; 301, Servo motor 1; 302, threaded screw 1; 303, telescopic rod; 304, threaded sleeve 1; 305, bearing 1; 306, chute; 4 , support frame; 5, demonstration box; 501, observation mirror; 502, chute; 503, shaft; 504, ball; 6, controller; 7, inner cavity; 701, servo motor two; 702, screw screw two 703, bearing two; 704, sliding rod; 705, bottom plate; 706, threaded sleeve two; 707, slider; 708, display screen; 8, magnetic writing board; 801, magnetic stripe; 802, moving block.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not intended to limit the present invention.

As shown in Figures 1-5, a practical demonstration device for vocal music education includes: a base 1, a universal wheel 2, a support rod 3, a support frame 4, a demonstration box 5, a controller 6, an inner cavity 7, Magnetic writing board 8; the four corners of the bottom of the base 1 are fixedly connected with a universal wheel 2; the top of the base 1 is fixedly connected with a support rod 3; the left and right sides of the support rod 3 are fixedly connected with a support frame 4, and the other end of the support frame 4 is fixed Connected to the upper surface of the base 1; the top of the support rod 3 is movably connected with a demonstration box 5; the left side of the demonstration box 5 is fixedly connected with a controller 6; the inner side of the demonstration box 5 is fixedly connected with an inner cavity 7; Two magnetic writing pads 8;

The support rod 3 includes: a servo motor one 301, a threaded screw one 302, a telescopic rod 303, a threaded sleeve one 304, a bearing one 305, and a chute one 306;

The demonstration box 5 includes: an observation mirror 501, a second chute 502, a rotating shaft 503, a ball 504, and a camera 505;

The inner cavity 7 includes: a second servo motor 701, a second threaded screw 702, a second bearing 703, a sliding rod 704, a bottom plate 705, a second threaded sleeve 706, a sliding block 707, and a display screen 708;

The magnetic writing board 8 includes: a magnetic strip 801 and a moving block 802 .

In this embodiment, a servo motor 1 301 is fixedly connected to the bottom of the support rod 3; a threaded screw 1 302 is fixedly connected to the top output end of the servo motor 1 301; a telescopic rod 303 is movably connected inside the support rod 3; A threaded sleeve 1 304 is connected, and the threaded sleeve 1 304 is internally movably connected to the threaded screw 1 302; the middle of the top of the telescopic rod 303 is fixedly connected with a bearing 1 305; the top side of the telescopic rod 303 is fixedly connected with a chute 1 306.

In specific use, the threaded lead screw 1 302 is driven to rotate by the servo motor 1 301, so that the threaded sleeve 1 304 moves upward on the threaded lead screw 1 302, and the threaded sleeve 1 304 also drives the telescopic rod 303 to move upward, so that the telescopic rod 303 moves upward. When moving, the demonstration box 5 is also driven to move synchronously, and the height of the demonstration box 5 can be adjusted, so as to adapt to users of different heights.

In this embodiment, an observation mirror 501 is fixedly connected to the front of the demonstration box 5; a second chute 502 is fixedly connected to the upper and lower sides of the front of the demonstration box 5; Inside the inner ring; the left and right sides of the bottom of the demonstration box 5 are fixedly connected with balls 504 , and the balls 504 are movably connected inside the chute 1 306 ; the right side of the top of the demonstration box 5 is fixedly connected with a camera 505 .

In specific use, through the observation mirror 501, the user can observe his own mouth shape and correct it in time when practicing or demonstrating vocal music;

By turning the demonstration box 5, the rotating shaft 503 rotates inside the inner ring of the bearing one 305, and the ball 504 also rotates inside the chute one 306, thereby driving the demonstration box 5 to rotate, so that according to the viewing angle of the user, the Adjust the angle of the demonstration box 5;

The camera 505 can record the mouth shape of the user during practice, which can then be played back through the display screen 708, and can be used as an exercise teaching material for comparison before and after.

In this embodiment, a second servo motor 701 is fixedly connected to the left side of the inner bottom of the inner cavity 7; a second threaded lead screw 702 is fixedly connected to the top output end of the second servo motor 701; a second bearing 703 is fixedly connected to the top of the second threaded lead screw 702, and The top of the second bearing 703 is fixedly connected to the top of the inner cavity 7; the inner right side of the inner cavity 7 is fixedly connected with a sliding rod 704; the inner side of the inner cavity 7 is movably connected with a bottom plate 705; The second threaded sleeve 706 is fixedly connected to the second threaded screw 702; the right side of the bottom plate 705 is fixedly connected with a slider 707, and the slider 707 is movably connected to the sliding rod 704; the top of the bottom plate 705 is fixedly connected with a display screen 708.

In specific use, the second threaded screw 702 is driven by the second servo motor 701 to rotate inside the inner ring of the second bearing 703, so that the second threaded sleeve 706 moves upward on the second threaded rod 702; The second threaded sleeve 706 and the sliding rod 707 are brought to the bottom plate 705 and the display screen 708 is moved upward at the same time, so that the display screen 708 is protruded from the interior of the inner cavity 7, so that the display screen 708 can be used, and the vocal music demonstration teaching video is played; When the display screen 708 is being displayed, the display screen 708 can be retracted inside the inner cavity 7 , so that the display screen 708 can be protected and at the same time, dust can be prevented from adhering to the display screen 708 .

In this embodiment, magnetic strips 801 are fixedly connected to the middle of the inner edge of the magnetic writing board 8 ;

In specific use, by pulling the magnetic writing board 8, the moving block 802 slides inside the second chute 502, so that the two magnetic writing boards 8 are respectively unfolded from both sides of the demonstration box 5, so that all the observation mirrors 501 leak out, and the magnetic writing board 8 passes through the magnetic writing board. 8. Important knowledge points can be written; when not in use, the two magnetic writing boards 8 can be closed, so that the two magnetic writing boards 8 can be fixed by mutual adsorption through the magnetic strips 801, and the observation mirror 501 can be damage.

In this embodiment, the controller 6 is electrically connected with the first servo motor 301 , the second servo motor 701 , the display screen 708 , and the camera 505 .

In specific use, the controller 6 can control the working states of the first servo motor 301 , the second servo motor 701 , the display screen 708 , and the camera 505 .

The working principle of a practical demonstration device for vocal music education mentioned by the utility model:

First, connect the controller 6, the servo motor one 301, the servo motor two 701, the display screen 708, and the camera 505 to the power supply, and use the controller 6 to control the work of the servo motor one 301, the servo motor two 701, the display screen 708, and the camera 505. state control;

During use, by pulling the magnetic writing board 8, the moving block 802 slides inside the second chute 502, so that the two magnetic writing boards 8 are respectively unfolded from both sides of the demonstration box 5, so that all the observation mirrors 501 leak out, When users practice or demonstrate vocal music, they can observe their mouth shapes and correct them in time; they can write important knowledge points through the magnetic writing board 8; when not in use, the two magnetic writing boards 8 can be closed to make The two magnetic writing boards 8 are fixed by mutual adsorption of the magnetic strips 801, and at the same time, the observation mirror 501 can be protected to prevent damage;

At the same time, the second threaded screw 702 is driven by the second servo motor 701 to rotate inside the inner ring of the second bearing 703, so that the second threaded sleeve 706 moves upward on the second threaded rod 702; at the same time, the slider 707 moves upward on the sliding rod 707, so that the thread The second sleeve 706 and the slide bar 707 are brought to the bottom plate 705 and the display screen 708 moves upward at the same time, so that the display screen 708 protrudes from the interior of the cavity 7, so that the display screen 708 can be used to play vocal music demonstration teaching videos; when the display screen is not required to be used 708 , the display screen 708 can be retracted inside the inner cavity 7, so that the display screen 708 can be protected and dust is prevented from adhering to the display screen 708;

At the same time, the camera 505 can record the mouth shape of the user during practice, which can be played out through the display screen 708 later, and can be used as an exercise teaching material for comparison before and after;

At the same time, the threaded screw 1 302 is driven to rotate by the servo motor 1 301, so that the threaded sleeve 1 304 moves upward on the threaded screw 1 302, and the threaded sleeve 1 304 also drives the telescopic rod 303 to move upward, so that when the telescopic rod 303 moves upward At the same time, it also drives the demonstration box 5 to move synchronously, and can adapt to users of different heights by adjusting the height of the demonstration box 5;

At the same time, the demo box 5 is toggled, so that the shaft 503 rotates inside the inner ring of the bearing 1 305, and the ball 504 also rotates inside the chute 1 306, thereby driving the demo box 5 to rotate, so that according to the viewing angle of the user, the Adjust the angle of the demo box 5.

The above-mentioned embodiments merely describe the preferred embodiments of the present invention, and do not limit the concept and scope of the present invention. Under the premise of not departing from the design concept of the present invention, various modifications and improvements made by ordinary persons in the art to the technical solutions of the present invention shall fall within the protection scope of the present invention. The content has been fully described in the claims.

Claims (2)

1. A practical demonstration device for vocal music education, comprising: a base (1), a universal wheel (2), a support rod (3), a support frame (4), a demonstration box (5), a controller (6) ), an inner cavity (7), and a magnetic writing board (8); it is characterized in that: the four corners of the bottom of the base (1) are fixedly connected with universal wheels (2); the top of the base (1) is fixedly connected with a support rod (3); the left and right sides of the support rod (3) are fixedly connected with a support frame (4), and the other end of the support frame (4) is fixedly connected to the upper surface of the base (1); the support rod (3) A demonstration box (5) is movably connected to the top; a controller (6) is fixedly connected to the left side of the demonstration box (5); an inner cavity (7) is fixedly connected to an inner side of the demonstration box (5); Two magnetic writing boards (8) are fixedly connected to the front of the box (5); The support rod (3) includes: a servo motor (301), a threaded screw (302), a telescopic rod (303), a threaded sleeve (304), a bearing (305), and a chute (306); The demonstration box (5) includes: an observation mirror (501), a second chute (502), a rotating shaft (503), a ball (504), and a camera (505); The inner cavity (7) includes: a second servo motor (701), a second threaded screw (702), a second bearing (703), a sliding rod (704), a bottom plate (705), a second threaded sleeve (706), a sliding block (707), display screen (708); The magnetic writing board (8) comprises: a magnetic strip (801), a moving block (802); The inner bottom of the support rod (3) is fixedly connected with a servo motor one (301); the top output end of the servo motor one (301) is fixedly connected with a threaded screw one (302); the support rod (3) is internally movable A telescopic rod (303) is connected; the bottom of the telescopic rod (303) is fixedly connected with a threaded sleeve 1 (304), and the threaded sleeve 1 (304) is internally movably connected to the threaded screw 1 (302); A bearing one (305) is fixedly connected to the middle of the top of the rod (303); a chute one (306) is fixedly connected to one side of the top of the telescopic rod (303); An observation mirror (501) is fixedly connected to the front of the demonstration box (5); a second chute (502) is fixedly connected to the upper and lower sides of the front of the demonstration box (5); (503), and the rotating shaft (503) is fixedly connected inside the inner ring of the first bearing (305); the left and right sides of the bottom of the demonstration box (5) are fixedly connected with balls (504), and the balls (504) are movable Connected inside the first chute (306); a camera (505) is fixedly connected to the top right side of the demonstration box (5); A second servo motor (701) is fixedly connected to the left side of the inner bottom of the inner cavity (7); a second threaded screw (702) is fixedly connected to the top output end of the second servo motor (701); 702) The top of the bearing two (703) is fixedly connected, and the top of the bearing two (703) is fixedly connected to the inner top of the inner cavity (7); the inner right side of the inner cavity (7) is fixedly connected with a sliding rod (704); The inner side of the inner cavity (7) is movably connected with a bottom plate (705); the left side of the bottom plate (705) is fixedly connected with a second threaded sleeve (706), and the second threaded sleeve (706) is fixedly connected to the second threaded screw (702); a slider (707) is fixedly connected to the right side of the bottom plate (705), and the inside of the slider (707) is movably connected to the sliding rod (704); the top of the bottom plate (705) is fixedly connected with a display screen(708); Magnetic strips (801) are fixedly connected to the middle of the inner edge of the magnetic writing board (8); moving blocks (802) are fixedly connected to the upper and lower sides of the left side of the magnetic writing board (8), and the moving blocks (802) are movable Connected inside the chute two (502). 2. A practical demonstration device for vocal music education according to claim 1, characterized in that: the controller (6) is connected to a servo motor one (301), a servo motor two (701), a display screen ( 708) and the camera (505) are all electrically connected.

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