CN110767032A

CN110767032A - Teaching equipment for music teaching

Info

Publication number: CN110767032A
Application number: CN201911166174.4A
Authority: CN
Inventors: 刘舒道
Original assignee: Hunan Yushang Art Training School Co Ltd
Current assignee: Hunan Yushang Art Training School Co Ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-02-07

Abstract

The invention discloses a teaching device for music teaching. The novel multifunctional projection screen comprises a base, wherein a first sleeve is arranged on one side of the top of the base, a cylinder is installed in an inner cavity of the first sleeve, a connecting shaft, a connecting plate, a supporting rod, a movable block and a projection curtain are sequentially connected to the output end of the cylinder, a telescopic rod is arranged on the outer wall of the projection curtain, a second sleeve is arranged on the top of the base, a lower rotary plate, an upper rotary plate and a sliding ball are arranged in an inner cavity of the second sleeve, and a rotary rod, a bottom plate, a supporting plate, a top plate, a. The height of the projection curtain can be adjusted in a lifting mode, the projection angle of the projection curtain can be adjusted, so that students can observe projection contents more clearly, the teaching effect is remarkably improved, the teaching musical instrument can be displayed in multiple directions, the musical instrument can be fixed, the musical instrument is prevented from falling, and the multifunctional projection curtain is simple to use and high in practicability.

Description

Teaching equipment for music teaching

Technical Field

The invention relates to the technical field of teaching equipment, in particular to teaching equipment for music teaching.

Background

Music education has broad and narrow meanings. The generalized music education refers to all education that influences thought and emotion and thinking quality of people and improves knowledge and skill through music, and mainly refers to school music education which is organized, planned and purposefully performed according to certain social requirements. Projection curtain that uses generally is fixed among the current music teaching equipment, often the skew appears and lead to the projection effect relatively poor in the projection chance in the use, is unfavorable for the student to observe the content on the projection curtain, and teaching effect greatly reduced can not carry out diversified show to the musical instrument when the show musical instrument simultaneously to can not fix the musical instrument, comparatively troublesome when showing, it is very inconvenient to use.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides teaching equipment for music teaching.

In order to achieve the purpose, the invention adopts the following technical scheme:

a teaching device for music teaching comprises a base, wherein a first sleeve is fixedly connected to one side of the top of the base, an air cylinder is installed at the bottom of an inner cavity of the first sleeve, the output end of the air cylinder is rotatably connected with a connecting shaft, the top end of the connecting shaft is fixedly connected with a connecting plate, two ends of the top of the connecting plate are fixedly connected with supporting rods, the top end of each supporting rod is movably connected with a movable block, a pin shaft is arranged in each movable block, a projection curtain is fixedly connected to one side of each movable block, the outer wall of the projection curtain is fixedly connected with a telescopic rod, the top of one side of the base, away from the first sleeve, is fixedly connected with a second sleeve, the bottom of the inner cavity of the second sleeve is fixedly connected with a lower rotating plate, the top of the lower rotating plate is slidably connected with an upper, the utility model discloses a fixing device for fixing a vehicle, including rotary rod, bottom plate top, the equal fixedly connected with backup pad in bottom plate top both ends, two the same roof of backup pad top fixedly connected with, roof top central authorities fixedly connected with dead lever, dead lever bottom fixedly connected with connecting band, connecting band bottom fixedly connected with fixed band, the fixed band both ends phase-match is provided with the magic subsides.

Preferably, the pin shaft penetrates through the support rod and the movable block and extends to the outer side of the support rod, and nuts are connected to two ends of the pin shaft in a threaded mode.

Preferably, one end of the telescopic rod is fixedly connected with the supporting rod, and the telescopic rod is arranged below the movable block.

Preferably, the cross sections of the lower rotating plate and the upper rotating plate are circular, the number of the rotating rods is two, and the two rotating rods are arranged at two ends of the outer wall of the upper rotating plate.

Preferably, the number of the sliding balls is several, and the sliding balls are arranged in a ring shape.

Preferably, the non-slip mat is made of rubber, and the connecting band and the fixing band are made of nylon materials.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the height of the projection curtain can be adjusted by arranging the cylinder, the connecting shaft, the connecting plate, the supporting rod, the movable block, the pin shaft and the telescopic rod, and meanwhile, the projection angle of the projection curtain can be adjusted, so that students can observe projection contents more clearly, and the teaching effect is obviously improved.

2. According to the invention, through the arrangement of the lower rotating plate, the upper rotating plate, the sliding beads, the non-slip mat, the connecting belt, the fixing belt ring and the magic tape, the teaching musical instrument can be displayed in multiple directions, and meanwhile, the musical instrument can be fixed, so that the musical instrument is prevented from falling, and the multifunctional teaching board is simple to use and high in practicability.

In conclusion, the height of the projection curtain can be adjusted in a lifting mode, the projection angle of the projection curtain can be adjusted, so that students can observe projection contents more clearly, the teaching effect is improved remarkably, the teaching musical instrument can be displayed in multiple directions, the musical instrument can be fixed, the musical instrument is prevented from falling, and the multifunctional projection curtain is simple to use and high in practicability.

Drawings

Fig. 1 is a schematic structural diagram of a teaching device for music teaching according to the present invention;

FIG. 2 is a side view of a projection curtain for use in a teaching apparatus for music teaching according to the present invention;

FIG. 3 is a top view of a lower swing plate of a teaching apparatus for music teaching according to the present invention;

fig. 4 is a front view of a fixing ring used in a teaching apparatus for music teaching according to the present invention.

In the figure: the device comprises a base 1, a first sleeve 2, a cylinder 3, a connecting shaft 4, a connecting plate 5, a supporting rod 6, a movable block 7, a pin shaft 8, a projection curtain 9, a telescopic rod 10, a second sleeve 11, a lower rotating plate 12, an upper rotating plate 13, a sliding ball 14, a rotating rod 15, a bottom plate 16, an anti-slip mat 17, a supporting plate 18, a top plate 19, a fixing rod 20, a connecting belt 21, a fixing belt 22 and a magic tape 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a teaching device for music teaching comprises a base 1, a first sleeve 2 is fixedly connected to one side of the top of the base 1, a cylinder 3 is installed at the bottom of the inner cavity of the first sleeve 2, the output end of the cylinder 3 is rotatably connected with a connecting shaft 4, the top end of the connecting shaft 4 is fixedly connected with a connecting plate 5, two ends of the top of the connecting plate 5 are fixedly connected with supporting rods 6, the top end of each supporting rod 6 is movably connected with a movable block 7, a pin shaft 8 is arranged in each movable block 7, a projection curtain 9 is fixedly connected to one side of each movable block 7, the outer wall of each projection curtain 9 is fixedly connected with a telescopic rod 10, a second sleeve 11 is fixedly connected to the top of one side of the base 1 far away from the first sleeve 2, a lower rotary plate 12 is fixedly connected to the bottom of the inner cavity of the second sleeve 11, an upper rotary, 15 top fixedly connected with bottom plates 16 of rotary rod, 16 top central authorities of bottom plate are equipped with slipmat 17, the equal fixedly connected with backup pad 18 in 16 top both ends of bottom plate, the same roof 19 of 18 top fixedly connected with of two backup pads, 19 top central authorities fixedly connected with dead lever 20 of roof, 20 bottom fixedly connected with connecting bands 21 of dead lever, 21 bottom fixedly connected with fixed bands 22 of connecting bands, the fixed bands 22 both ends phase-match is provided with magic subsides 23.

Round pin axle 8 runs through bracing piece 6 and movable block 7 and extends to the bracing piece 6 outside, the equal threaded connection in 8 both ends of round pin axle has the nut, the one end and the bracing piece 6 fixed connection of telescopic link 10, telescopic link 10 sets up in movable block 7 below, lower rotatory board 12 is circular with last board 13 cross sections, 15 quantity of rotary rod have two, two rotary rod 15 set up in last board 13 outer wall both ends of revolving, 14 quantity of smooth pearl have a plurality of, the smooth pearl 14 of a plurality of is the annular arrangement, slipmat 17 is made for the rubber material, connecting band 21 is made for the nylon material with fixed band 22.

The working principle is as follows: when the invention is used, a projector is used for projecting projection contents onto a projection curtain 9, then the projection curtain 9 and the projector are adjusted according to the angle, when the height is adjusted, a cylinder 3 is started firstly, when the cylinder 3 works, a connecting plate 5 is moved up and down by a connecting shaft 4, so that the height of the projection curtain 9 is adjusted, when the angle of the projection curtain 9 is adjusted, the projection curtain 9 is manually pulled, when the projection curtain 9 is pulled, an expansion rod 10 is expanded and contracted, simultaneously a movable block 7 rotates on a supporting rod 6 by taking a pin shaft 8 as a center, so that the projection curtain 9 can be adjusted in angle, then a musical instrument to be displayed is placed on an anti-slip mat 17, one end of the musical instrument is placed between two fixing belts 22, simultaneously the two fixing belts 22 are closed by a magic tape 23, so that the musical instrument is hung on a top plate 19 through a connecting belt 21 and a fixing rod 20, and, the upper rotating plate 13 and the lower rotating plate 2 slide on the sliding balls 14, meanwhile, the rotating rod 15 drives the bottom plate 16 to rotate in the second sleeve 1, and the bottom plate 16 rotates, so that the musical instrument is rotatably displayed; just so can carry out the lift adjustment of height with projection curtain 9, can adjust projection curtain 9's projection angle simultaneously for the student can be more clear observe projection content, and teaching effect is showing and is improving, can carry out diversified show with the musical instrument of imparting knowledge to students, can fix the musical instrument simultaneously, prevents that the musical instrument from falling, and simple to use, the practicality is strong.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The teaching equipment for music teaching comprises a base (1) and is characterized in that a first sleeve (2) is fixedly connected to one side of the top of the base (1), a cylinder (3) is installed at the bottom of an inner cavity of the first sleeve (2), the output end of the cylinder (3) is rotatably connected with a connecting shaft (4), a connecting plate (5) is fixedly connected to the top end of the connecting shaft (4), supporting rods (6) are fixedly connected to both ends of the top of the connecting plate (5), a movable block (7) is movably connected to the top end of each supporting rod (6), a pin shaft (8) is arranged in each movable block (7), a projection curtain (9) is fixedly connected to one side of each movable block (7), a telescopic rod (10) is fixedly connected to the outer wall of each projection curtain (9), a second sleeve (11) is fixedly connected to the top of one side, far away, the bottom of the inner cavity of the second sleeve (11) is fixedly connected with a lower rotating plate (12), the top of the lower rotating plate (12) is connected with an upper rotating plate (13) in a sliding manner, a sliding ball (14) is connected between the lower rotating plate (12) and the upper rotating plate (13) in a sliding manner, the top of the upper rotating plate (13) is fixedly connected with a rotating rod (15), the top end of the rotating rod (15) is fixedly connected with a bottom plate (16), the center of the top of the bottom plate (16) is provided with an anti-slip pad (17), both ends of the top of the bottom plate (16) are fixedly connected with supporting plates (18), the top ends of the two supporting plates (18) are fixedly connected with a same top plate (19), the center of the top plate (19) is fixedly connected with a fixing rod (20), the bottom of the fixing, and magic tapes (23) are arranged at the two ends of the fixing band (22) in a matched manner.

2. The teaching equipment for music teaching according to claim 1, wherein the pin shaft (8) penetrates through the support rod (6) and the movable block (7) and extends to the outer side of the support rod (6), and nuts are connected to both ends of the pin shaft (8) in a threaded manner.

3. The teaching device for music teaching according to claim 1, wherein one end of the telescopic rod (10) is fixedly connected with the support rod (6), and the telescopic rod (10) is arranged below the movable block (7).

4. The teaching device for music teaching according to claim 1, wherein the cross section of the lower rotating plate (12) and the cross section of the upper rotating plate (13) are both circular, the number of the rotating rods (15) is two, and the two rotating rods (15) are arranged at two ends of the outer wall of the upper rotating plate (13).

5. Teaching equipment for music teaching according to claim 1, wherein there are several said sliding balls (14), several said sliding balls (14) being arranged in a ring.

6. The teaching device for music teaching according to claim 1, wherein the non-slip mat (17) is made of rubber, and the connecting band (21) and the fixing band (22) are both made of nylon.