CN214312253U

CN214312253U - Display device for music teaching

Info

Publication number: CN214312253U
Application number: CN202120654225.4U
Authority: CN
Inventors: 张慎富; 霍紫沁
Original assignee: Chongqing Vocational College Of Architecture And Technology
Current assignee: Chongqing Vocational College Of Architecture And Technology
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-09-28
Anticipated expiration: 2031-03-31

Abstract

The utility model relates to the technical field of music teaching, and discloses a display device for music teaching, which comprises a base, a sleeve, a rotating rod, a writing plate, a line drawing device, a supporting rod and a connecting plate, a sleeve is arranged above the base, the bottom of the sleeve is fixedly connected with the top of the base, one end of the rotating rod is arranged in a blind hole with threads on the inner wall arranged at the top of the sleeve, the rotating rod is in threaded connection with the sleeve, the bottom of the writing board is movably connected with the rotating rod through a bearing, the front and the back of the writing board can be used for writing, the line drawing device is movably connected to the front of the writing board, the supporting rods are arranged at the two ends of the sleeve, the bottom of the supporting rod is fixedly connected with the top of the base, the connecting plate is fixedly connected with the top of the supporting rod, the utility model discloses a for write the rotation of board more convenient, in addition, through the setting-out device, make the more convenient of writing of staff.

Description

Display device for music teaching

Technical Field

The utility model relates to a music teaching technical field specifically is a display device is used in music teaching.

Background

Music is an artistic form and cultural activity, and its basic elements include height, strength, duration and tone. These basic elements are combined with each other to form the common "form factor" of music, such as: rhythm, melody, harmony and force, speed, mode, melody, texture, etc. The form factor constituting music is a means for expressing music. Different types of music may emphasize or ignore certain elements thereof. Music is played using a variety of instruments and vocal techniques, and is classified into instrumental music, vocal music (e.g., a song with no instrumental accompaniment), and works combining singing and musical instruments. For child's multiple interest, more and more child begins to learn the music, when carrying out music teaching, generally need use the show board, present display device for music teaching also has some weak points when using, present display device for music teaching can only generally write simultaneously, and the inconvenient rotation of show board, in addition, need use the staff in the music study, present display device for music teaching does not generally have the device of drawing the staff specially, the mr uses inconvenient.

Therefore, the display device for music teaching is designed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a display device is used in music teaching has solved the problem of proposing in the above-mentioned background art.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a display device is used in music teaching, includes base, sleeve, dwang, writes board, setting-out device, bracing piece and connecting plate, the top of base is equipped with the sleeve, telescopic bottom fixed connection is in the top of base, the one end of dwang is located in the screwed blind hole of inner wall area that the sleeve top was seted up, and dwang and sleeve threaded connection, the bottom of writing the board passes through bearing swing joint in dwang, and just, the reverse side of writing the board can all write, setting-out device swing joint is in the front of writing the board, telescopic both ends are located to the bracing piece, and bracing piece bottom fixed connection is in the base top, connecting plate fixed connection is in the bracing piece top.

Furthermore, the top of the connecting plate is provided with a limiting rod, the limiting rod is fixedly connected with the connecting plate, and one end of the limiting rod is arranged in a groove formed in the bottom of the writing plate.

Furthermore, the bottom of the base is provided with an anti-skid pad, and the upper surface of the anti-skid pad is fixedly connected to the lower surface of the base.

Further, the setting-out device includes dead lever, sliding block, connecting rod, movable plate and clamping device, the dead lever is equipped with two, and the dead lever is "U" type structure, and the bottom fixed connection of dead lever is in the front of writing the board, the sliding block overlaps in the dead lever surface, sliding block and dead lever swing joint, the one end fixed connection of connecting rod in the sliding block, the through-hole has been seted up at the both ends of movable plate, and the connecting rod alternates in the through-hole of movable plate, has seted up logical groove on the movable plate, clamping device locates the logical groove department of movable plate, and clamping device and movable plate swing joint.

Furthermore, clamping device includes expansion plate, fixed plate and spring, the expansion plate alternates in the through-hole that the logical groove lateral wall of movable plate was seted up, the both ends of expansion plate are located to the fixed plate, and fixed plate fixed connection in expansion plate, and the one end of fixed plate is located in the recess that the logical groove lateral wall of movable plate was seted up, the both ends of spring fixed connection respectively are in the recess lateral wall of the logical groove department of fixed plate and movable plate.

Furthermore, a plurality of opposite clamping grooves are formed in the side walls of the through grooves of the telescopic plate and the movable plate.

The utility model has the advantages that:

1. the utility model discloses a, through mutually supporting of bracing piece, sleeve, dwang and gag lever post for write the rotatory convenience more of board, and write the board two sides and all can write.

2. The utility model discloses a, through the setting-out device for the convenience more of writing of staff has practiced thrift mr's the time of giving lessons.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of a cross-sectional view of the present invention;

FIG. 3 is a schematic view of a partial structure of the line drawing device of the present invention;

fig. 4 is a schematic view of a partial cross-sectional structure of the middle clamping device of the present invention.

In the figure: 1. a base; 2. a sleeve; 3. rotating the rod; 4. writing a board; 5. a line drawing device; 6. a support bar; 7. a connecting plate; 8. a limiting rod; 9. a non-slip mat; 10. fixing the rod; 11. a slider; 12. a connecting rod; 13. moving the plate; 14. a clamping device; 15. a retractable plate; 16. a fixing plate; 17. a spring; 18. and (4) clamping the groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to FIGS. 1-4: a display device for music teaching comprises a base 1, a sleeve 2, a rotating rod 3, a writing board 4, a line drawing device 5, a support rod 6 and a connecting plate 7, wherein the bottom of the base 1 is provided with an anti-slip pad 9, the upper surface of the anti-slip pad 9 is fixedly connected to the lower surface of the base 1, the sleeve 2 is arranged above the base 1, the bottom of the sleeve 2 is fixedly connected to the top of the base 1, one end of the rotating rod 3 is arranged in a blind hole with threads on the inner wall formed in the top of the sleeve 2, the rotating rod 3 is in threaded connection with the sleeve 2, the bottom of the writing board 4 is movably connected to the rotating rod 3 through a bearing, the front side and the back side of the writing board 4 can be used for writing, the line drawing device 5 is movably connected to the front side of the writing board 4, the support rod 6 is arranged at the two ends of the sleeve 2, the bottom of the support rod 6 is fixedly connected to the top of the base 1, the connecting plate 7 is fixedly connected to the top of the support rod 6, the top of the connecting plate 7 is provided with a limit rod 8, and gag lever post 8 and connecting plate 7 fixed connection, in the recess of writing 4 bottoms setings is located to the one end of gag lever post 8, through bracing piece 6, sleeve 2, dwang 3 and gag lever post 8 mutually supporting for write the rotation of board 4 more convenient, and write 4 two sides of board and all can write.

Wherein, the line drawing device 5 comprises a fixed rod 10, a sliding block 11, a connecting rod 12, a movable plate 13 and a clamping device 14, the fixed rod 10 is provided with two fixed rods 10, the fixed rod 10 is of a U-shaped structure, the bottom of the fixed rod 10 is fixedly connected to the front of the writing plate 4, the sliding block 11 is sleeved on the outer surface of the fixed rod 10, the sliding block 11 is movably connected with the fixed rod 10, one end of the connecting rod 12 is fixedly connected with the sliding block 11, through holes are formed in two ends of the movable plate 13, the connecting rod 12 is inserted into the through holes of the movable plate 13, a through groove is formed in the movable plate 13, the clamping device 14 is arranged at the through groove of the movable plate 13, and the clamping device 14 is movably connected with the movable plate 13.

Wherein, clamping device 14 includes expansion plate 15, fixed plate 16 and spring 17, expansion plate 15 alternates in the through-hole that the logical groove lateral wall of movable plate 13 was seted up, a plurality of relative double-layered groove 18 has been seted up to expansion plate 15 and the logical groove lateral wall of movable plate 13, the both ends of expansion plate 15 are located to fixed plate 16, and fixed plate 16 fixed connection is in expansion plate 15, and the recess that the logical groove lateral wall of movable plate 13 was seted up is located to the one end of fixed plate 16, spring 17's both ends are fixed connection respectively in the recess lateral wall of the logical groove department of fixed plate 16 and movable plate 13, through setting-out equipment 5, make the more convenient of writing of staff, teacher's time of giving lessons has been practiced thrift.

To sum up, when the utility model is used, through the mutual cooperation of the support rod 6, the sleeve 2, the rotating rod 3 and the limiting rod 8, when the writing board 4 needs to be rotated to another side, the worker directly rotates the rotating rod 3, the rotating rod 3 drives the writing board 4 to move upwards, when the limiting rod 8 is separated from the bottom groove of the writing board 4, the worker rotates the writing board 4 to the other side, then the rotating rod 3 is reversely rotated to move the writing board 4 downwards, finally, the limiting rod 8 returns to the groove of the writing board 4 again, through the device, the rotation of the writing board 4 is more convenient, and both sides of the writing board 4 can be written, in addition, through the line drawing device 5, the worker pulls the telescopic board 15 outwards, then places the writing pen at the clamping groove 18, loosens the telescopic board 15, under the action of the spring 17, the writing pen is clamped, then, the worker holds the movable board 13 and moves along the fixing rod 10 by hand, therefore, the staff can be drawn on the writing board 4, and through the device, the staff can be written more conveniently, and the class time of teachers is saved.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a display device is used in music teaching, includes base (1), sleeve (2), dwang (3), writes board (4), setting-out device (5), bracing piece (6) and connecting plate (7), its characterized in that: the top of base (1) is equipped with sleeve (2), the bottom fixed connection of sleeve (2) is in the top of base (1), the one end of dwang (3) is located in the screwed blind hole of inner wall area that sleeve (2) top was seted up, and dwang (3) and sleeve (2) threaded connection, write the bottom of board (4) and pass through bearing swing joint in dwang (3), and write board (4) just, reverse side and all can write, setting-out device (5) swing joint is in the front of writing board (4), the both ends of sleeve (2) are located in bracing piece (6), and bracing piece (6) bottom fixed connection in base (1) top, connecting plate (7) fixed connection is in bracing piece (6) top.

2. The display device for music teaching according to claim 1, wherein: the top of the connecting plate (7) is provided with a limiting rod (8), the limiting rod (8) is fixedly connected with the connecting plate (7), and one end of the limiting rod (8) is arranged in a groove formed in the bottom of the writing plate (4).

3. The display device for music teaching according to claim 1, wherein: the bottom of base (1) is equipped with slipmat (9), and the upper surface fixed connection of slipmat (9) is in the lower surface of base (1).

4. The display device for music teaching according to claim 1, wherein: line drawing device (5) are including dead lever (10), sliding block (11), connecting rod (12), movable plate (13) and clamping device (14), dead lever (10) are equipped with two, and dead lever (10) are "U" type structure, and the bottom fixed connection of dead lever (10) is in writing the front of board (4), sliding block (11) cover in dead lever (10) surface, sliding block (11) and dead lever (10) swing joint, the one end fixed connection of connecting rod (12) is in sliding block (11), the through-hole has been seted up at the both ends of movable plate (13), and connecting rod (12) alternate in the through-hole of movable plate (13), has seted up logical groove on movable plate (13), clamping device (14) locate the logical groove department of movable plate (13), and clamping device (14) and movable connection (13).

5. The display device for music teaching according to claim 4, wherein: clamping device (14) include expansion plate (15), fixed plate (16) and spring (17), expansion plate (15) alternate in the through-hole that logical groove lateral wall of movable plate (13) was seted up, the both ends of expansion plate (15) are located in fixed plate (16), and fixed plate (16) fixed connection in expansion plate (15), and the one end of fixed plate (16) is located in the recess that logical groove lateral wall of movable plate (13) was seted up, the both ends of spring (17) are fixed connection respectively in the recess lateral wall that fixed plate (16) and movable plate (13) led to the groove department.

6. The display device for music teaching according to claim 5, wherein: and a plurality of opposite clamping grooves (18) are formed in the side walls of the through grooves of the telescopic plate (15) and the moving plate (13).