CN214449820U

CN214449820U - Colleges and universities music score writing presentation device

Info

Publication number: CN214449820U
Application number: CN202120119723.9U
Authority: CN
Inventors: 崔美梓; 高继光
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-10-22
Anticipated expiration: 2031-01-19

Abstract

The application discloses presentation device is write to colleges and universities' music book, including base, fixed plate, mounting panel and adjusting device, positioner and coiling mechanism, adjusting device includes support column, bearing, roof, motor, belt pulley, screw rod, movable block, activity groove, curb plate and spliced pole, the top fixed connection support column of base, the top of support column is passed through the bearing and is rotated and connect the roof, the equal fixed connection curb plate in top both sides of roof. Through the roof at support column top, the direction of roof is conveniently adjusted, through starting first motor, first motor passes through belt pulley and drive belt and drives two screw rods and rotate, thereby two screw rods rotate with two movable block screw threads and drive the movable block and slide along the movable groove, the movable block passes through the spliced pole and drives the fixed plate and reciprocate between two curb plates to the height of adjustment clipboard makes things convenient for the height of writing of adjustment suitable position.

Description

Colleges and universities music score writing presentation device

Technical Field

The application relates to a writing demonstration device, in particular to a music score writing demonstration device for colleges and universities.

Background

Colleges and universities carry out the music when giving lessons in small-size classroom, the demonstration of writing on the scene is usually carried out on miniature blackboard, in the demonstration, the music book that the teacher wrote all has written a face, then carry out the writing of next face after wiping through the blackboard eraser, and every student's memory ability and the efficiency of doing the note are all inequality, if the teacher waits for a long time and cleans after all students fully done the note, influence the teaching progress, if too fast clean the teaching record, some students can not follow up the teaching progress because of not absorbing the knowledge point in the classroom completely.

The existing music book handwriting is too small and inconvenient for teaching, the music book on the blackboard cannot be switched in real time along with the demonstration content in the demonstration process, the on-site demonstration is inconvenient to carry out in a classroom, and the height of the demonstration is inconvenient to adjust by the existing writing demonstration device, so that the use is influenced. Therefore, a music score writing demonstration device for colleges and universities is provided to solve the above problems.

Disclosure of Invention

A college music score writing demonstration device comprises a base, a fixing plate, a mounting plate, an adjusting device, a positioning device and a winding device;

the adjusting device comprises a supporting column, a bearing, a top plate, a motor, a belt pulley, a transmission belt, a screw rod, a movable block, a movable groove, a side plate and a connecting column, wherein the top end of the base is fixedly connected with the supporting column, the top of the supporting column is rotatably connected with the top plate through the bearing, and two sides of the top end of the top plate are fixedly connected with the side plate;

the positioning device comprises a placing groove, a pressing plate, a limiting plate, a clamping groove, two grooves, a first spring and an adjusting block, wherein the placing groove is formed in one end of the fixing plate;

the coiling mechanism includes opening, clipboard, writes paper, mounting panel, fly leaf, side channel, second spring, diaphragm, turning handle, first wind-up roll, transmission shaft and second wind-up roll, the equal fixed connection mounting panel in one end both sides of fixed plate, open inside the one end lateral wall of mounting panel has the side channel, the inside sliding connection fly leaf of side channel.

Furthermore, a movable groove is formed in the side wall of one end of each side plate, the movable groove is internally connected with two screw rods in a rotating mode, and a belt pulley is sleeved at one end of each screw rod.

Further, the internally mounted of roof has the motor, the belt pulley has been cup jointed to the output of motor, the quantity of belt pulley is three, three the belt pulley is two double-phase between the winding transmission belt.

Further, two the equal threaded connection movable block of screw rod, movable block sliding connection movable groove, the movable groove is seted up inside the one end of curb plate, the one end fixed connection spliced pole of movable block, the one end fixed connection fixed plate's of spliced pole one end, the quantity of spliced pole is two.

Further, the bottom of the placing groove is fixedly connected with a limiting plate, a clamping groove is formed in the limiting plate, and the clamping groove is a rectangular groove.

Further, the inside of recess is provided with first spring, the inner wall of one end fixed connection fixed plate of first spring, the one end of the other end fixed connection regulating block of first spring, the one end fixed connection clamp plate's of regulating block one end, the quantity of clamp plate is two, two the clamp plate symmetric distribution is in the top both sides of standing groove.

Furthermore, both sides of the inside of one end of the fixing plate are provided with openings, the inside of each opening is fixedly connected with the writing plate, writing paper is arranged on the side wall of one end of the writing plate, and the writing paper penetrates through the two openings in the side wall of one end of the fixing plate.

Furthermore, both ends of the movable plate are fixedly connected with second springs, one ends of the second springs are fixedly connected to the inner wall of the side groove, and the second springs are sleeved inside the side groove.

Furthermore, the number of the movable plates is two, a transverse plate is fixedly connected between the two movable plates, two ends of the inner portion of the transverse plate are rotatably connected with a transmission shaft, and one end of the transmission shaft is fixedly connected with a rotating handle.

Furthermore, the number of the transmission shafts is two, one of the two transmission shafts is sleeved with a first winding roller, the other transmission shaft is sleeved with a second winding roller, and the outer sides of the first winding roller and the second winding roller are wound with writing paper.

The beneficial effect of this application is: the application provides a convenient college music book writing presentation device who writes height and be convenient for switch-over of adjusting.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall perspective view of an embodiment of the present application;

FIG. 2 is a schematic diagram of the overall internal structure of an embodiment of the present application;

fig. 3 is a schematic structural view of a fixing plate, a mounting plate, a first wind-up roll and a second wind-up roll according to an embodiment of the present application.

Fig. 4 is a schematic structural diagram of a pressure plate, a first spring and an adjusting block according to an embodiment of the present application.

FIG. 5 is a schematic structural view of the transverse plate, the rotating handle, the first wind-up roll, the transmission shaft and the second wind-up roll according to an embodiment of the present application.

Fig. 6 is a schematic structural diagram of a limiting plate and a slot according to an embodiment of the present application.

In the figure: 1. the base, 2, the support column, 3, the bearing, 4, the roof, 5, the motor, 6, the belt pulley, 601, driving belt, 7, the screw rod, 8, the movable block, 9, the activity groove, 10, the curb plate, 11, the spliced pole, 12, the fixed plate, 13, the opening, 14, the clipboard, 15, the standing groove, 16, the clamp plate, 17, the limiting plate, 18, the draw-in groove, 19, the recess, 20, first spring, 21, the regulating block, 22, the writing paper, 23, the mounting panel, 24, the movable plate, 25, the side groove, 26, the second spring, 27, the diaphragm, 28, the turning handle, 29, first wind-up roll, 30, the transmission shaft, 31, the second wind-up roll.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1-6, a music score writing demonstration device in colleges and universities comprises a base 1, a fixing plate 12, an installation plate 23, an adjusting device, a positioning device and a winding device;

the adjusting device comprises a supporting column 2, a bearing 3, a top plate 4, a motor 5, a belt pulley 6, a transmission belt 601, a screw 7, a movable block 8, a movable groove 9, a side plate 10 and a connecting column 11, wherein the top end of the base 1 is fixedly connected with the supporting column 2, the top of the supporting column 2 is rotatably connected with the top plate 4 through the bearing 3, and two sides of the top end of the top plate 4 are fixedly connected with the side plate 10;

the positioning device comprises a placing groove 15, a pressing plate 16, a limiting plate 17, a clamping groove 18, grooves 19, a first spring 20 and an adjusting block 21, wherein the placing groove 15 is formed in one end of the fixing plate 12, the grooves 19 are formed in one side of the inside of the placing groove 15, the number of the grooves 19 is two, and the two grooves 19 are formed in one end of the fixing plate 12;

the coiling mechanism includes opening 13, clipboard 14, writing paper 22, mounting panel 23, fly leaf 24, side channel 25, second spring 26, diaphragm 27, turning handle 28, first wind-up roll 29, transmission shaft 30 and second wind-up roll 31, the equal fixed connection mounting panel 23 in one end both sides of fixed plate 12, the inside division of one end lateral wall of mounting panel 23 has side channel 25, the inside sliding connection fly leaf 24 of side channel 25.

A movable groove 9 is formed in the side wall of one end of each side plate 10, the movable groove 9 is connected with two screw rods 7 in a rotating mode, and one end of each of the two screw rods 7 is sleeved with the belt pulley 6, so that the structure is more reasonable and the connection is convenient; a motor 5 is installed inside the top plate 4, belt pulleys 6 are sleeved at the output end of the motor 5, the number of the belt pulleys 6 is three, and a transmission belt 601 is wound between every two three belt pulleys 6, so that the structure is more reasonable, and the connection is convenient; the two screw rods 7 are in threaded connection with movable blocks 8, the movable blocks 8 are in sliding connection with movable grooves 9, the movable grooves 9 are formed in one ends of the side plates 10, one ends of the movable blocks 8 are fixedly connected with connecting columns 11, one ends of the connecting columns 11 are fixedly connected with one ends of the fixing plates 12, and the number of the connecting columns 11 is two, so that the structure is more reasonable and convenient to connect; the bottom of the placing groove 15 is fixedly connected with a limiting plate 17, a clamping groove 18 is formed in the limiting plate 17, and the clamping groove 18 is a rectangular groove, so that the structure is more reasonable and the connection is convenient; a first spring 20 is arranged in the groove 19, one end of the first spring 20 is fixedly connected with the inner wall of the fixed plate 12, the other end of the first spring 20 is fixedly connected with one end of an adjusting block 21, one end of the adjusting block 21 is fixedly connected with one end of a pressure plate 16, the number of the pressure plates 16 is two, and the two pressure plates 16 are symmetrically distributed on two sides of the top of the placing groove 15, so that the structure is more reasonable and the connection is convenient; openings 13 are formed in two sides of the inner portion of one end of the fixing plate 12, the writing plate 14 is fixedly connected to the inner portion of the opening 13, writing paper 22 is arranged on the side wall of one end of the writing plate 14, and the writing paper 22 penetrates through the two openings 13 in the side wall of one end of the fixing plate 12, so that the structure is reasonable, and connection is convenient; both ends of the movable plate 24 are fixedly connected with second springs 26, one ends of the second springs 26 are fixedly connected to the inner wall of the side grooves 25, and the second springs 26 are sleeved inside the side grooves 25, so that the structure is more reasonable, and the connection is convenient; the number of the movable plates 24 is two, a transverse plate 27 is fixedly connected between the two movable plates 24, two ends of the inner part of the transverse plate 27 are rotatably connected with a transmission shaft 30, and one end of the transmission shaft 30 is fixedly connected with a rotating handle 28, so that the structure is more reasonable and the connection is convenient; the number of the transmission shafts 30 is two, one of the two transmission shafts 30 is sleeved with a first winding roller 29, the other transmission shaft 30 is sleeved with a second winding roller 31, the writing paper 22 is wound on the outer sides of the first winding roller 29 and the second winding roller 31, and therefore the structure is more reasonable and convenient to connect.

When the writing board is used, electrical components appearing in the application are externally connected with a power supply and a control switch when the writing board is used, then the writing paper 22 is wound on the first winding roller 29, then the writing paper 22 penetrates through one opening 13 and enables the writing paper 22 to be attached to one side of the writing board 14, the writing paper 22 penetrates through the other opening 13 and is wound on the second winding roller 31, the direction of the top plate 4 is conveniently adjusted through the top plate 4 at the top of the supporting column 2, the first motor 5 drives the two screw rods 7 to rotate through the belt pulley 6 and the transmission belt 601 by starting the first motor 5, the two screw rods 7 and the two movable blocks 8 rotate in a threaded manner so as to drive the movable blocks 8 to slide along the movable grooves 9, the movable blocks 8 drive the fixing plate 12 to move up and down between the two side plates 10 through the connecting columns 11, so that the height of the writing board 14 is adjusted, and the writing height of a proper position is conveniently adjusted, place the music book in draw-in groove 18 inside limiting plate 17, through pulling clamp plate 16, clamp plate 16 slides along recess 19 through regulating block 21, regulating block 21 drives first spring 20 tensile, then place the top of music book in standing groove 15, loosen clamp plate 16, first spring 20 resets clamp plate 16 that drives regulating block 21 one end and compresses tightly on the music book, thereby make things convenient for not the music book of equidimension to fix, drive first wind-up roll 29 and second wind-up roll 31 rotation through turning handle 28, first wind-up roll 29 and second wind-up roll 31 rotate and drive writing paper 22 and remove in two openings 13, thereby conveniently write the change of paper 22, facilitate the use, diaphragm 27 passes through fly leaf 24 and slides along side channel 25, thereby the second spring 26 compression at fly leaf 24 both ends conveniently keeps the tensioning degree of writing paper 22, facilitate the use.

The application has the advantages that:

1. the writing paper winding device is reasonable in structure, writing paper penetrates through one opening and is tightly attached to one side of a writing board, the writing paper penetrates through the other opening and is wound on the second winding roller, the first winding roller and the second winding roller are driven to rotate through the rotating handle, the first winding roller and the second winding roller rotate to drive the writing paper to move in the two openings, and therefore the writing paper is convenient to replace and use;

2. this application is rational in infrastructure, and through starting first motor, first motor passes through belt pulley and drive belt and drives two screw rods and rotate, thereby two screw rods and two movable block screw thread rotation drive the movable block and slide along the movable groove, and the movable block drives the fixed plate through the spliced pole and reciprocates between two curb plates to the height of adjustment clipboard, the height of writing of convenient adjustment suitable position.

3. This application is rational in infrastructure, through placing music book in the inside draw-in groove of limiting plate, through the pulling clamp plate, the clamp plate passes through the regulating block and slides along the recess, and the regulating block drives first spring tensile, then places the top of music book in the standing groove, loosens the clamp plate, and first spring resets and drives the clamp plate of regulating block one end and compress tightly on the music book to make things convenient for not the music book of equidimension to fix.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a college music score writing presentation device which characterized in that: comprises a base (1), a fixed plate (12), a mounting plate (23), an adjusting device, a positioning device and a winding device;

the adjusting device comprises a supporting column (2), a bearing (3), a top plate (4), a motor (5), a belt pulley (6), a transmission belt (601), a screw rod (7), a movable block (8), a movable groove (9), side plates (10) and a connecting column (11), wherein the top end of the base (1) is fixedly connected with the supporting column (2), the top of the supporting column (2) is rotatably connected with the top plate (4) through the bearing (3), and two sides of the top end of the top plate (4) are fixedly connected with the side plates (10);

the positioning device comprises a placing groove (15), a pressing plate (16), a limiting plate (17), a clamping groove (18), grooves (19), a first spring (20) and an adjusting block (21), wherein the placing groove (15) is formed in one end of the fixing plate (12), the grooves (19) are formed in one side of the inside of the placing groove (15), the number of the grooves (19) is two, and the two grooves (19) are formed in one end of the fixing plate (12);

the coiling mechanism includes opening (13), clipboard (14), writes paper (22), mounting panel (23), fly leaf (24), side channel (25), second spring (26), diaphragm (27), turning handle (28), first wind-up roll (29), transmission shaft (30) and second wind-up roll (31), the equal fixed connection mounting panel (23) in one end both sides of fixed plate (12), the inside division of one end lateral wall of mounting panel (23) has side channel (25), inside sliding connection fly leaf (24) of side channel (25).

2. A college musical score writing presentation device as claimed in claim 1, wherein: a movable groove (9) is formed in the side wall of one end of each side plate (10), the movable groove (9) is connected with two screw rods (7) in a rotating mode, and a belt pulley (6) is sleeved at one end of each of the two screw rods (7).

3. A college musical score writing presentation device as claimed in claim 1, wherein: the internally mounted of roof (4) has motor (5), belt pulley (6) have been cup jointed to the output of motor (5), the quantity of belt pulley (6) is three, three belt pulley (6) are two liang between the winding have driving belt (601).

4. A college musical score writing presentation device as claimed in claim 1, wherein: two equal threaded connection movable block (8) of screw rod (7), movable block (8) sliding connection movable groove (9), movable groove (9) are seted up inside the one end of curb plate (10), the one end fixed connection spliced pole (11) of movable block (8), the one end of the one end fixed connection fixed plate (12) of spliced pole (11), the quantity of spliced pole (11) is two.

5. A college musical score writing presentation device as claimed in claim 1, wherein: the bottom of the placing groove (15) is fixedly connected with a limiting plate (17), a clamping groove (18) is formed in the limiting plate (17), and the clamping groove (18) is a rectangular groove.

6. A college musical score writing presentation device as claimed in claim 1, wherein: the inside of recess (19) is provided with first spring (20), the inner wall of the one end fixed connection fixed plate (12) of first spring (20), the one end of the other end fixed connection regulating block (21) of first spring (20), the one end fixed connection clamp plate (16) of regulating block (21), the quantity of clamp plate (16) is two, two clamp plate (16) symmetric distribution is in the top both sides of standing groove (15).

7. A college musical score writing presentation device as claimed in claim 1, wherein: the inside both sides of one end of fixed plate (12) all opened there are opening (13), the inside fixed connection clipboard (14) of opening (13), the one end lateral wall of clipboard (14) is provided with writing paper (22), writing paper (22) run through two openings (13) of fixed plate (12) one end lateral wall.

8. A college musical score writing presentation device as claimed in claim 1, wherein: both ends of the movable plate (24) are fixedly connected with second springs (26), one ends of the second springs (26) are fixedly connected to the inner wall of the side grooves (25), and the second springs (26) are sleeved inside the side grooves (25).

9. A college musical score writing presentation device as claimed in claim 1, wherein: the quantity of fly leaf (24) is two, two fixed connection diaphragm (27) between fly leaf (24), transmission shaft (30) are all rotated at the inside both ends of diaphragm (27), one end fixed connection turning handle (28) of transmission shaft (30).

10. A college musical score writing presentation device as claimed in claim 1, wherein: the quantity of transmission shaft (30) is two, two one of them cup joints first wind-up roll (29) in transmission shaft (30), another the outside of transmission shaft (30) is cup jointed second wind-up roll (31), the outside of first wind-up roll (29) and second wind-up roll (31) is all around twining writing paper (22).