CN216579899U - Music teaching staff line drawing device - Google Patents

Abstract

The utility model discloses a staff plotter for music teaching, belonging to the technical field of music teaching. The utility model provides a music teaching staff line drawing ware, includes the fixed plate, big a plurality of in the front little back little a plurality of in bull stick left side wall middle part and the front big back little bull stick right side wall middle part has all set firmly the sideboard, is located a plurality of rear sides little a plurality of in sideboard upper end and the front big back it has all set firmly the baffle to be symmetrical structure between the bull stick left side wall lower extreme, is located the right-hand member the bull stick upper end has set firmly the fixing base, wall middle part inlays at the fixing base rear wall and is equipped with magnet B, the fixed plate rear is equipped with removes the seat, both ends symmetry inlays and is equipped with two magnetism suction cups about removing the seat antetheca, the kerve has been seted up to removal seat rear wall left end. The staff drawing instrument greatly reduces the storage difficulty of staff drawing instruments, does not need to be lifted and used by teachers in the teaching process, greatly enhances the convenience of use and has strong practicability.

Description

Music teaching staff line drawing device

Technical Field

The utility model relates to the technical field of music teaching, in particular to a staff plotter for music teaching.

Background

The staff is a common notation method in the world, notes with different values and other marks are marked on five equidistant parallel horizontal lines to record music, which belongs to one of the most widely used music scores.

Through the retrieval, the patent with publication number CN214027984U discloses a music teaching staff line drawing ware, presses the promotion to the chalk through compression spring cooperation stable arc board and sliding tray, and dynamics when assurance that can be better is pressed the chalk supports stably stabilizing the frame through mount, bracing piece and support base cooperation sliding tube, has better support stabilizing effect.

Although the existing device is convenient to fix chalks of different sizes when in use, the device can be attached to the surface of a blackboard fixed on a wall by a teacher in a lifting mode, so that the device is very labor-consuming for a woman teacher with weak physical strength, and moreover, when music scores needing to be written are more, the teacher can draw staff with the same length as the blackboard on the blackboard.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

The utility model aims to provide a staff plotter for music teaching, which aims to solve the problems in the background technology.

2. Technical scheme

A staff line drawing device for music teaching comprises a fixed plate, wherein a plurality of magnet A are symmetrically embedded in a linear equidistant structure on the rear wall of the fixed plate, a bottom plate is fixedly arranged at the lower end of the left side of the front wall of the fixed plate, a plurality of rotating rods are linearly and equidistantly arranged above the bottom plate, a plurality of rotating rods with large front parts and small rear parts are arranged in the middle of the left wall of each rotating rod, side plates are fixedly arranged in the middle of the right wall of each rotating rod, baffle plates are fixedly arranged between the upper ends of the side plates at the rear side and the lower ends of the left wall of each rotating rod in a symmetrical structure, a fixed seat is fixedly arranged at the upper end of the rotating rod at the rightmost end, a magnet B is embedded in the middle of the rear wall of the fixed seat, a movable seat is arranged behind the fixed plate, two magnetic suction plates are symmetrically embedded at the upper end and the lower end of the front wall of the movable seat, five through holes are symmetrically formed in a linear equidistant structure in the middle of the movable seat, two clamping plates are symmetrically arranged in the through hole, and a pull groove is formed in the left end of the rear wall of the movable seat.

Preferably, be located leftmost end the bull stick lower extreme rotates with the fixed plate antetheca to be connected, the bull stick is T type structure setting, adjacent two the bull stick is eight style of calligraphy central symmetry structure setting, adjacent two the crossing one end of bull stick is articulated each other.

Preferably, the width of the baffle is twice as large as the width of the rotating rod.

Preferably, the movable seat is of a U-shaped structure, and the front wall of the magnetic suction plate is in adsorption fit with the rear wall of the magnet A.

Preferably, the clamping plates are of round table-shaped arc structures with small front parts and large rear parts, the rear ends of the clamping plates are respectively embedded in the rear ends of the inner walls on the two sides of the through hole, and the pull groove is of an L-shaped structure.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

1. the utility model is provided with the rotary rod, the side plate, the fixed seat and the movable seat, a teacher can use the rotary rod as a guide basis in the teaching process, the rotary rod can keep parallel to the upper edge and the lower edge of the blackboard under the double fixation of the fixed plate and the fixed seat, and then the baffle plate positioned at the upper side cannot influence the guide effect of the rotary rod after the rotary rod is unfolded under the arrangement of the side plate, so that the teacher can draw a smooth and standard staff by pulling the movable seat along the rotary rod, thereby being beneficial to the improvement of teaching quality and being convenient for the writing of music scores of the teacher.

2. The blackboard eraser is provided with the magnetic suction plate, the magnet A and the magnet B, so that the blackboard eraser cannot be easily separated from the blackboard range to cause the problem of drawing a staff incoherence in the use process under the adsorption effects of the magnetic suction plate, the magnet A and the magnet B, when the blackboard eraser is not needed to be used, the movable seat and the fixed plate can be connected and fixed through the adsorption effect between the magnet A and the magnetic suction plate and then stored, and the magnet A and the magnet B can be respectively adsorbed on two sides of the edge of the blackboard through the magnetic suction plate, the storage difficulty of the blackboard eraser is greatly reduced, a teacher does not need to lift and use the blackboard eraser in the teaching process, the use convenience is greatly enhanced, and the blackboard eraser is high in practicability.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a rear exploded view of the present invention;

FIG. 3 is a schematic cross-sectional view of the movable base according to the present invention.

The reference numbers in the figures illustrate: 1. a fixing plate; 2. a magnet A; 3. a base plate; 4. a rotating rod; 5. a side plate; 6. A baffle plate; 7. a fixed seat; 8. a magnet B; 9. a movable seat; 10. a magnetic attraction plate; 11. a through hole; 12. A splint; 13. and (6) groove drawing.

Detailed Description

Referring to fig. 1-3, the present invention provides a technical solution:

a staff line drawing device for music teaching comprises a fixed plate 1, a plurality of magnets A2 are symmetrically embedded in the rear wall of the fixed plate 1 in a linear equidistant structure, a bottom plate 3 is fixedly arranged at the lower end of the left side of the front wall of the fixed plate 1, a plurality of rotating rods 4 are linearly and equidistantly arranged above the bottom plate 3, baffle plates 6 are fixedly arranged in the middle parts of the left walls of the rotating rods 4 with small front parts and large rear parts and in the middle parts of the right walls of the rotating rods 4 with large front parts and small rear parts, baffle plates 6 are fixedly arranged in the symmetrical structure between the upper ends of the side plates 5 at the rear side and the lower ends of the left walls of the rotating rods 4 with large front parts and small rear parts, a fixed seat 7 is fixedly arranged at the upper end of the rotating rod 4 at the rightmost end, a magnet B8 is embedded in the middle part of the rear wall of the fixed plate 7, a movable seat 9 is arranged at the rear side of the fixed plate 1, two magnetic suction plates 10 are symmetrically embedded at the upper end and the lower end of the movable seat 9, five through holes 11 are formed in the linear equidistant structure in the middle part of the movable seat 9, two clamping plates 12 are symmetrically arranged in the through hole 11, and a pull groove 13 is formed in the left end of the rear wall of the movable seat 9.

Specifically, the lower end of the rotating rod 4 located at the leftmost end is rotatably connected with the front wall of the fixing plate 1, the rotating rod 4 is arranged in a T-shaped structure, two adjacent rotating rods 4 are arranged in a splayed central symmetry structure, and one ends, intersected with each other, of the two adjacent rotating rods 4 are hinged to each other.

Furthermore, the width of the baffle 6 is twice of the width of the rotating rod 4, when the device is not used, the movable seat 9 and the fixed plate 1 can be mutually adsorbed by the magnet A2 and the magnetic attraction plate 10 to be stored, and then the movable seat and the fixed plate can be easily and quickly moved together, so that a teacher can conveniently carry the device, the device can be adsorbed on the blackboard through the magnet A2 without lifting the device, after the fixed plate 1 is adsorbed on the blackboard, the teacher can rotate the rotating rod 4 at the leftmost end along the position where the rotating rod is rotatably connected with the fixed plate 1, when the lower end of the right wall of the device is adhered to the bottom plate 3, the rotating rod 4 is rotated to the position which is mutually vertical to the right wall of the fixed plate 1, the teacher only needs to adhere the left edge of the fixed plate 1 to the left edge of the blackboard to ensure that the rotating rod 4 is parallel to the upper side and the lower side of the blackboard, and then the teacher needs to sequentially expand the rotating rods 4 along the hinged positions, the expansion of two adjacent bull sticks 4 has just been accomplished when 6 right walls of baffle and the adjacent bull stick 4 outer wall laminating on right side, can ensure like this that two bull sticks 4 are the linear state setting, can be with the rigidity of a plurality of bull sticks 4 under the adsorption effect of magnet B8 to the blackboard of fixing base 7 back wall finally.

Furthermore, the movable seat 9 is of a U-shaped structure, and the front wall of the magnetic attraction plate 10 is in attraction fit with the rear wall of the magnet a 2.

Furthermore, the clamping plates 12 are in a round table-shaped arc structure with a small front part and a large rear part, the rear ends of the two clamping plates 12 are respectively embedded at the rear ends of the inner walls of the two sides of the through hole 11, the pull groove 13 is in an L-shaped structure, after the fixing plate 1 is fixed, the teacher can adsorb the movable seat 9 on the blackboard at the position above the plurality of rotating rods 4 by using the magnetic absorption plate 10, and the bottom surface of the movable seat 9 is jointed with the top surface of the side plate 5, because the plurality of side plates 5 are all positioned at the upper position after being unfolded, the plurality of side plates 5 can generate a guiding effect on the movable seat 9 to avoid deviation when drawing a staff, and then a teacher can insert chalk along the rear end of the through hole 11, the chalk can be fixed by the elastic deformation of the two clamping plates 12, and then a teacher can pull the pull groove 13 to move the movable seat 9 along the positions of the top surfaces of the rotating rods 4 and draw a standard staff through five chalks.

The working principle is as follows: the device can store the movable seat 9 and the fixed plate 1 by the mutual adsorption of the magnet A2 and the magnetic attraction plate 10 when not in use, and then the movable seat and the fixed plate can be easily and quickly moved together, thereby being convenient for a teacher to carry, and the magnet A2 can adsorb the movable seat and the fixed plate on a blackboard without lifting the movable seat and the fixed plate, after the fixed plate 1 is adsorbed on the blackboard, the teacher can rotate the rotating rod 4 at the leftmost end along the position where the rotating rod is rotatably connected with the fixed plate 1, when the lower end of the right wall of the movable seat is adhered with the bottom plate 3, the rotating rod 4 is rotated to the position which is mutually vertical to the right wall of the fixed plate 1, the teacher can ensure the parallel of the rotating rod 4 and the upper and lower edges of the blackboard only by adhering the left edge of the fixed plate 1 to the left edge of the blackboard, then the teacher needs to sequentially expand the plurality of the rotating rods 4 along the hinged position, and the expansion of two adjacent rotating rods 4 is completed when the right wall of the baffle 6 is adhered to the outer wall of the adjacent rotating rod 4 at the right side, thus, the two rotating rods 4 are arranged in a linear state, finally, the positions of the rotating rods 4 can be fixed under the adsorption effect of the magnet B8 on the blackboard on the rear wall of the fixed seat 7, at the moment, a teacher can adsorb the movable seat 9 on the position of the blackboard above the rotating rods 4 by using the magnetic adsorption plate 10, and the bottom surface of the movable seat 9 is attached to the top surface of the side plate 5, because the plurality of side plates 5 are all positioned at the upper position after being unfolded, the plurality of side plates 5 can generate a guiding effect on the movable seat 9 to avoid deviation when drawing a staff, and then a teacher can insert chalk along the rear end of the through hole 11, the chalk can be fixed by the elastic deformation of the two clamping plates 12, and then a teacher can pull the pull groove 13 to move the movable seat 9 along the positions of the top surfaces of the rotating rods 4 and draw a standard staff through five chalks.

Claims (5)

1. The utility model provides a line ware is drawn to music teaching staff, includes fixed plate (1), its characterized in that: the utility model discloses a magnetic field generator, including fixed plate (1), fixed plate (1) back wall be linear equidistant structure symmetry and inlay and be equipped with a plurality of magnet A (2), fixed plate (1) antetheca left side lower extreme has set firmly bottom plate (3), bottom plate (3) top is linear equidistant and is equipped with a plurality of bull stick (4), big a little after the front a plurality of bull stick (4) left side wall middle part and big before the right wall middle part all set firmly sideboard (5), be located the rear side a plurality of sideboard (5) upper end and big before a plurality of bull stick (4) left wall lower extreme between be symmetrical structure and all set firmly baffle (6), be located the right-hand member bull stick (4) upper end has set firmly fixing base (7), wall middle part inlays and is equipped with magnet B (8) behind fixing base (7), fixed plate (1) rear is equipped with removes seat (9), both ends symmetry inlays about removing seat (9) and is equipped with two magnetism and inhales board (10), remove seat (9) middle part and be linear equidistant structure and seted up five through hole (11), through hole (11) inside is symmetrical structure and is equipped with two splint (12), draw groove (13) have been seted up to removal seat (9) back wall left end.

2. The musical teaching staff plotter of claim 1, characterized in that: be located leftmost end bull stick (4) lower extreme rotates with fixed plate (1) antetheca to be connected, bull stick (4) are T type structure setting, adjacent two bull stick (4) are eight style of calligraphy central symmetry structure and set up, adjacent two the crossing one end of bull stick (4) is articulated each other.

3. The musical teaching staff plotter of claim 1, characterized in that: the width of the baffle (6) is twice of that of the rotating rod (4).

4. The musical teaching staff plotter of claim 1, characterized in that: the movable seat (9) is of a U-shaped structure, and the front wall of the magnetic suction plate (10) is in adsorption fit with the rear wall of the magnet A (2).

5. The musical teaching staff plotter of claim 1, characterized in that: the clamping plates (12) are in round table-shaped arc structures with small front parts and large rear parts, the rear ends of the clamping plates (12) are respectively embedded in the rear ends of the inner walls of the two sides of the through hole (11), and the pull grooves (13) are in L-shaped structures.

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