Music education demonstration board

Abstract

The utility model discloses a music education demonstration board which comprises a bottom board and an unfolding mechanism. The front side face of the bottom plate is fixedly connected with a framework, and the front end of the framework is fixedly connected with a display board; the unfolding mechanism comprises fixing plates, sliding grooves, first sliding rods, second sliding rods and a mounting base, the fixing plates are fixedly connected to the left side and the right side of the framework, the sliding grooves are fixedly connected to the opposite outer side faces of the two fixing plates, sliding rails are slidably connected into the sliding grooves, the first sliding rods are fixedly connected to the opposite outer side faces of the two sliding rails, and the second sliding rods are fixedly connected to the mounting base. The lower ends of the first sliding rods are rotationally connected with second sliding rods through first pin shafts, a mounting base is fixedly connected between the lower ends of the two second sliding rods, an electronic organ is fixedly connected into the mounting base, the input end of the electronic organ is electrically connected with an external power source, and the unfolding mechanism further comprises a supporting rod. Through the electronic organ which can be transversely unfolded and is adjustable in height, practical operation of trainees is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to music education demonstration board technical field, concretely is a music education demonstration board. BACKGROUND

[0002] The aesthetic function of music is the product of human aesthetic consciousness, which makes people feel the joy of the soul when appreciating music, and further cultivates the soul, improves aesthetic interest, cultivates excellent quality and establishes an optimistic view of life and the world. The cognitive function of music is the process of people understanding society, nature, history and the real world through appreciating music, which can broaden people's horizons, deepen the understanding and understanding of social life, improve cultural accomplishment and improve people's observation and appreciation. The educational function of music is the influence on people's emotional world, ideological sentiment, moral concept through the content reflected in the music works and the expression form used, and this educational function mainly embodies in moral education, intellectual education, sports, aesthetic education and other aspects.

[0003] In the music education, music education demonstration board is often used, and the music education demonstration board generally fixes an electronic piano arranged vertically. When the lecturer is explaining, the vertically arranged electronic piano is convenient for showing the lecturer how to press the key when playing to the students. However, when the students demonstrate on stage, the playing effect of the students will be greatly discounted due to the low proficiency of the students and the high fixed position of the electronic piano, and it is difficult to reflect the real level of the students. Therefore, we provide a music education demonstration board. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is to overcome the defects of the prior art, and provide a music education demonstration board. The electronic piano capable of being expanded horizontally and adjusted in height is convenient for the students to operate, and can effectively solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a music education demonstration board, comprising a bottom plate and an expansion mechanism.

[0006] The bottom plate: the front side is fixedly connected with a framework, and the front end of the framework is fixedly connected with a display board.

[0007] The expansion mechanism: it comprises a fixed plate, a sliding groove, a sliding rod one, a sliding rod two and a mounting seat, the left and right sides of the framework are fixedly connected with the fixed plate, the opposite outer sides of the two fixed plates are fixedly connected with the sliding groove, the interiors of the sliding grooves are slidably connected with sliding rails, the opposite outer sides of the two sliding rails are fixedly connected with the sliding rod one, the lower ends of the sliding rod one are rotatably connected with the sliding rod two through the pin shaft one, the lower ends of the two sliding rod two are fixedly connected with the mounting seat, and the interior of the mounting seat is fixedly connected with the electronic piano. The input end of the electronic piano is electrically connected with an external power supply. The electronic piano capable of being expanded horizontally and adjusted in height is convenient for the students to operate.

[0008] Further, the unfolding mechanism further comprises a support rod, the middle part of the slide rod one is rotationally connected with the support rod through a pin shaft two, the lower end of the support rod is fixedly connected with a positioning shaft, the middle part of the slide rod two is provided with a sliding groove, and the positioning shaft is slidably connected to the inside of the vertically adjacent sliding groove, so that the mounting seat remains horizontal.

[0009] Further, the unfolding mechanism further comprises a positioning buckle, the opposite inner sides of the two slide rods two are rotationally connected with the positioning buckle, and the positioning shaft is clamped to the inside of the adjacent positioning buckle, so that the support rod is fixed.

[0010] Further, the positioning mechanism further comprises a T-shaped positioning plate, a slide column and a sawtooth plate, the lower end of the skeleton is fixedly connected with the slide column which is distributed in up and down, the T-shaped positioning plate is slidably connected between the vertically adjacent two slide columns, the upper end of the front side of the T-shaped positioning plate is fixedly connected with the sawtooth plate, the rear side of the slide rod one and the slide rod two is fixedly connected with the rack plate, and the rack plate is arranged in cooperation with the vertically adjacent sawtooth plate, so that the slide rod one and the slide rod two are fixed.

[0011] Further, the positioning mechanism further comprises a fixing seat and a stud, the left and right sides of the lower end of the skeleton are fixedly connected with the fixing seat which is distributed in front and back, the stud is rotationally connected between the front and back adjacent two fixing seats, and the lower end of the T-shaped positioning plate is threadedly connected with the vertically adjacent stud, so that the front and back movement of the T-shaped positioning plate is realized.

[0012] Further, the positioning mechanism further comprises a knob, the front end of the stud is fixedly sleeved with the knob, so that the stud is conveniently rotated.

[0013] Further, the rear end of the skeleton is fixedly connected with the mounting plate, the front side of the mounting plate is fixedly connected with the display screen, the middle part of the display plate is provided with the mounting frame, the display screen is located in the inside of the mounting frame, and the input end of the display screen is electrically connected with an external power supply, so that the teaching content of the picture and text display is facilitated.

[0014] Compared with the prior art, the music education demonstration board has the following advantages:

[0015] When the student demonstrates on stage, the mounting seat can be pulled down and fixed horizontally through the cooperation of the support rod and the positioning buckle, when the horizontal height of the mounting seat is appropriate, the knob is rotated, the T-shaped positioning plate drives the sawtooth plate to mesh with the sawtooth plate on the rear side of the vertically adjacent slide rod one, the position of the slide rod one is fixed, and the electronic piano which is horizontally fixed and height-adjustable is convenient for the student to operate. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 The utility model discloses a structure schematic diagram of unfolding;

[0018] Figure 3 The utility model discloses a structure schematic diagram of sectioning;

[0019] Figure 4 The utility model discloses a structure schematic diagram of A place amplification.

[0020] In the figure: 1 bottom plate, 2 framework, 3 show board, 4 unfolding mechanism, 41 fixed plate, 42 sliding groove, 43 sliding rod one, 44 support rod, 45 sliding rod two, 46 positioning buckle, 47 mounting seat, 5 electronic organ, 6 positioning mechanism, 61 knob, 62 fixed seat, 63 stud, 64 T type positioning board, 65 sliding column, 66 sawtooth board, 7 rack plate, 8 mounting plate, 9 display screen, 10 sliding groove. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figures 1-4 The utility model discloses a technical scheme: a music education demonstration board, including bottom plate 1 and unfolding mechanism 4.

[0023] Bottom plate 1: its front side fixedly connected with framework 2, the front end of framework 2 is fixedly connected with show board 3, the rear end middle part of framework 2 is fixedly connected with mounting plate 8, the front side of mounting plate 8 is fixedly connected with display screen 9, and the middle part of show board 3 is equipped with mounting frame, and display screen 9 is located in the inside of mounting frame, and the input end of display screen 9 is electrically connected with external power supply;

[0024] The unfolding mechanism 4 comprises a fixed plate 41, a sliding groove 42, a sliding rod one 43, a sliding rod two 45 and a mounting seat 47, the left and right sides of the framework 2 are fixedly connected with the fixed plates 41, the opposite outer sides of the two fixed plates are fixedly connected with the sliding grooves 42, the interiors of the sliding grooves 42 are slidably connected with sliding rails, the opposite outer sides of the two sliding rails are fixedly connected with the sliding rod ones 43, the lower ends of the sliding rod ones 43 are rotatably connected with the sliding rod twos 45 through pin shafts one, the lower ends of the two sliding rod twos 45 are fixedly connected with the mounting seat 47, the interior of the mounting seat 47 is fixedly connected with the electronic organ 5, the input end of the electronic organ 5 is electrically connected with an external power supply, the unfolding mechanism 4 further comprises a supporting rod 44, the middle parts of the sliding rod ones 43 are rotatably connected with the supporting rods 44 through pin shafts two, the lower ends of the supporting rods 44 are fixedly connected with positioning shafts, the middle parts of the sliding rod twos 45 are provided with sliding grooves 10, the positioning shafts are slidably connected in the interiors of the vertically adjacent sliding grooves 10 respectively, the unfolding mechanism 4 further comprises a positioning buckle 46, the opposite inner sides of the two sliding rod twos 45 are rotatably connected with the positioning buckles 46, the positioning shafts are clamped in the interiors of the adjacent positioning buckles 46 respectively, when a student needs to demonstrate on the stage, the stud bolt 63 is rotated through the knob 61, the T-shaped positioning plate 64 is driven to slide backward between the sliding columns 65, the sawtooth plate 66 is away from the sawtooth plate 66 on the rear side of the vertically adjacent sliding rod two 45, the sliding rod two 45 is out of limitation, then the mounting seat 47 is pulled down, the whole formed by the sliding rod one 43 and the sliding rail slides downward in the vertical sliding groove (42), after the supporting rod 44 is completely displayed, the mounting seat 47 is swung to a horizontal state, simultaneously driving the positioning shafts of the supporting rod 44 to slide in the sliding grooves 10, when the mounting seat 47 is swung to the horizontal state, the positioning shafts are located at the foremost ends of the sliding grooves 10, the positioning buckles 46 are rotated, the positioning shafts are clamped in the interiors of the adjacent positioning buckles 46 respectively, the fixing of the supporting rod 44 is realized, when the mounting seat 47 is located at a proper height, the knob 61 is reversely rotated in the same way, the sawtooth plate 66 is engaged with the sawtooth plate 66 on the rear side of the vertically adjacent sliding rod one 43, the fixing of the height of the mounting seat 47 is realized, after the position of the mounting seat 47 is fixed, the student can demonstrate.

[0025] Wherein: still including positioning mechanism 6, positioning mechanism 6 includes T-shaped positioning plate 64, slide column 65 and sawtooth plate 66, the lower end of the left and right sides of framework 2 is fixedly connected with the slide column 65 that distributes upwards and downwards, the vertically adjacent two slide columns 65 are slidably connected with T-shaped positioning plate 64, the upper end of the front side of T-shaped positioning plate 64 is fixedly connected with sawtooth plate 66, the rear side of slide bar one 43 and slide bar two 45 is fixedly connected with rack plate 7, rack plate 7 is respectively with vertically adjacent sawtooth plate 66 cooperation arrangement, positioning mechanism 6 still includes fixed seat 62 and stud 63, the left and right sides of the lower end of framework 2 are fixedly connected with the fixed seat 62 that distributes forward and backward, the forward and backward adjacent two fixed seats 62 are rotatably connected with stud 63, the lower end of T-shaped positioning plate 64 is respectively with vertically adjacent stud 63 screw connection, positioning mechanism 6 still includes knob 61, the front end of stud 63 is fixedly covered with knob 61, by knob 61 rotation stud 63, drive T-shaped positioning plate 64 slide between slide column 65 to the rear, sawtooth plate 66 is away from the rear side of adjacent slide bar two 45 sawtooth plate 66, slide bar two 45 loses the restriction.

[0026] The working principle of the music education demonstration board is as follows: the music education demonstration board is installed through the bottom plate 1, when the teacher explains the staff, the external notebook is electrically connected with the display screen 9 through the data line, the external notebook displays the ppt or other content through the display screen 9, and simultaneously demonstrates with the electronic piano 5, when a student needs to demonstrate on stage, the stud 63 is rotated by the knob 61, the T-shaped positioning plate 64 slides between the slide columns 65 to the rear, the sawtooth plate 66 is away from the rear side of adjacent slide bar two 45 sawtooth plate 66, the slide bar two 45 loses the restriction, then the mounting seat 47 is pulled down, the whole formed by the slide bar one 43 and the slide rail slides downward in the vertical sliding groove (42), after the supporting rod 44 is completely displayed, the mounting seat 47 is swung to the horizontal state, and simultaneously drives the positioning shaft of the supporting rod 44 to slide in the sliding groove 10, when the mounting seat 47 is swung to the horizontal state, the positioning shaft is located at the front end of the sliding groove 10, the positioning buckle 46 is rotated, and the positioning shaft is clamped in the adjacent positioning buckle 46, so that the supporting rod 44 is fixed, when the mounting seat 47 is located at a proper height, the knob 61 is reversely rotated, the sawtooth plate 66 is engaged with the rear side of the vertically adjacent slide bar one 43 sawtooth plate 66, and the height of the mounting seat 47 is fixed, after the position of the mounting seat 47 is fixed, the student can demonstrate.

[0027] It is worth noting that the electronic piano 5 disclosed in the above embodiment can be selected as an XT738 electronic piano keyboard.

[0028] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made by using the content of the present application specification and drawings, are also included in the patent protection scope of the present application.

Claims

1. A music education demonstration board, characterized by: It include bottom plate (1) and unfolding mechanism (4); Bottom plate (1): its front side fixedly connected with framework (2), the front end of framework (2) is fixedly connected with display board (3); Unfolding mechanism (4): it includes fixed plate (41), sliding groove (42), sliding rod one (43), sliding rod two (45) and mounting seat (47), the left and right sides of framework (2) are fixedly connected with fixed plate (41), the opposite outer sides of two fixed plates are fixedly connected with sliding groove (42), the inside of sliding groove (42) is slidably connected with slide rail, the opposite outer sides of two slide rails are fixedly connected with sliding rod one (43), the lower end of sliding rod one (43) is rotatably connected with sliding rod two (45) through pin shaft one, the lower end between two sliding rod two (45) is fixedly connected with mounting seat (47), the inside of mounting seat (47) is fixedly connected with electronic organ (5), the input end of electronic organ (5) is electrically connected with external power supply.

2. The music education demonstration board of claim 1, wherein: The unfolding mechanism (4) further includes support rod (44), the middle part of the sliding rod one (43) is rotatably connected with support rod (44) through pin shaft two, the lower end of the support rod (44) is fixedly connected with positioning shaft, the middle part of the sliding rod two (45) is provided with sliding groove (10), and the positioning shaft is slidably connected in the inside of the vertically adjacent sliding groove (10).

3. The music education demonstration board of claim 2, wherein: The unfolding mechanism (4) further includes positioning buckle (46), the opposite inner sides of two sliding rod two (45) are rotatably connected with positioning buckle (46), and the positioning shaft is respectively clamped in the inside of the adjacent positioning buckle (46).

4. The music education demonstration board of claim 1, wherein: It further includes positioning mechanism (6), the left and right sides of the lower end of the framework (2) are fixedly connected with slide column (65) distributed up and down, two slide columns (65) vertically adjacent are slidably connected with T-shaped positioning plate (64) between them, the upper end of the front side of the T-shaped positioning plate (64) is fixedly connected with sawtooth plate (66), the rear side of the sliding rod one (43) and the sliding rod two (45) is fixedly connected with rack plate (7), and the rack plate (7) is respectively arranged in cooperation with the vertically adjacent sawtooth plate (66).

5. The music education demonstration board of claim 4, wherein: The positioning mechanism (6) further includes fixed seat (62) and stud (63), the left and right sides of the lower end of the framework (2) are fixedly connected with fixed seat (62) distributed in front and back, the front and back adjacent two fixed seats (62) are rotatably connected with stud (63) between them, and the lower end of the T-shaped positioning plate (64) is respectively threadedly connected with the vertically adjacent stud (63).

6. The music education demonstration board of claim 5, wherein: The positioning mechanism (6) further includes knob (61), and the front end of the stud (63) is fixedly sleeved with knob (61).

7. The music education demonstration board of claim 1, wherein: The rear end of the middle part of the framework (2) is fixedly connected with mounting plate (8), the front side of the mounting plate (8) is fixedly connected with display screen (9), the middle part of the display board (3) is provided with mounting frame, the display screen (9) is located in the inside of the mounting frame, and the input end of the display screen (9) is electrically connected with external power supply.

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