CN214928504U

CN214928504U - Adjustable blackboard for music teaching

Info

Publication number: CN214928504U
Application number: CN202120069065.7U
Authority: CN
Inventors: 张萍
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-11-30
Anticipated expiration: 2031-01-14

Abstract

The application discloses an adjustable blackboard for music teaching, which comprises a bottom plate, a supporting plate, a mounting frame, a placing plate, a guide plate, an electromagnetic push rod, a bolt and a bearing, wherein the bottom end of the supporting plate is fixedly connected with the top end of the bottom plate, a sliding groove is formed in the side surface of the supporting plate, sliding blocks are fixedly connected to two sides of the bottom end of the mounting frame, the sliding blocks are connected with the sliding groove in a sliding mode, and threaded holes are formed in the top end of each sliding block; the inside screw rod that is equipped with of spout, the screw rod both ends all pass through the bearing with the inner endwall rotation in spout is connected, the screw rod with the screw hole spiral shell closes, backup pad top rigid coupling has first motor, just first motor output with screw rod top rigid coupling. The screw rod at the tail end of the first motor can be driven to rotate through the work of the first motor, the sliding block can drive the mounting frame to move towards the top end along the sliding groove under the screwing of the screw rod and the threaded hole, so that the blackboard body and the display can be displayed, the whole height of the mounting frame can be conveniently adjusted, and the functionality is enhanced.

Description

Adjustable blackboard for music teaching

Technical Field

The application relates to a blackboard, in particular to an adjustable blackboard for music teaching.

Background

The method mainly applied to music teaching is an exercise method, a demonstration method, an appreciation method, a lecture and explanation method, a question and answer method and a review method; the main teaching principle is as follows: the artistry is unified with the ideality, the theory is combined with the practice, the intuition, the consciousness, the enthusiasm, the progressive, the consolidation, the measuring ability, the unified requirement and the teaching according to the material are combined, and the like.

The blackboard is not particularly a black board, but is a plane which can be repeatedly written in the traditional sense, the board is hard, is mainly used for teaching, and is mostly black, dark green and white.

The blackboard need be used in the music teaching, and traditional blackboard simple structure lacks the flexibility when using, is not convenient for adjust the height of blackboard according to the demand, and present blackboard only has the function of writing simultaneously, lacks video display capacity. Therefore, an adjustable blackboard for music teaching is provided to solve the above problems.

Disclosure of Invention

An adjustable blackboard for music teaching comprises a bottom plate, a supporting plate, a mounting frame, a placing plate, a guide plate, an electromagnetic push rod, a bolt and a bearing;

the bottom end of the supporting plate is fixedly connected with the top end of the bottom plate, a sliding groove is formed in the side face of the supporting plate, sliding blocks are fixedly connected to two sides of the bottom end of the mounting frame, the sliding blocks are connected with the sliding groove in a sliding mode, and threaded holes are formed in the top ends of the sliding blocks; a screw rod is arranged in the sliding groove, two ends of the screw rod are rotatably connected with the inner end wall of the sliding groove through the bearings, the screw rod is screwed with the threaded hole, the top end of the supporting plate is fixedly connected with a first motor, and the output end of the first motor is fixedly connected with the top end of the screw rod;

a first installation cavity and a second installation cavity are respectively formed in the side face of the installation frame, a display is arranged in the second installation cavity, first rotating shafts are fixedly connected to two sides of the display, the outer end of each first rotating shaft is rotatably connected with the inner side wall of the second installation cavity through a bearing, a second motor is fixedly connected to the inner side wall of the first installation cavity, and the output end of the second motor is fixedly connected with the outer end of the first rotating shaft; a fixture block is fixedly connected to the bottom end of the display, a connecting rod is fixedly connected to the bottom end of the fixture block, a first spring is sleeved on the surface of the connecting rod, the bottom end of the connecting rod penetrates through the bottom end of the mounting frame, a connecting plate is fixedly connected to the bottom ends of two adjacent connecting rods, the electromagnetic push rod is embedded into the bottom end of the mounting frame, and the output end of the electromagnetic push rod is fixedly connected with the top end of the connecting plate;

one end of each guide plate is fixedly connected with the front side face of the bottom end of the mounting frame, the placing plate is arranged between the two guide plates, a guide groove is formed in the side face of each guide plate, a guide block is clamped in the guide groove, second rotating shafts are fixedly connected to the two ends of each placing plate, the outer ends of the second rotating shafts are rotatably connected with the side faces of the guide blocks, and the guide blocks are clamped in the guide grooves; a sliding hole is formed in the side face of the guide block, a sliding rod is fixedly connected inside the guide groove and penetrates through the sliding hole, and a second spring is arranged on one side of the guide block and is sleeved on the surface of the sliding rod; the mounting bracket bottom front side open and to have the constant head tank, place board rear end terminal surface rigid coupling has the reference column, just reference column outer end block in inside the constant head tank.

Furthermore, the number of the supporting plates is two, the two supporting plates are symmetrically distributed at the top end of the bottom plate, the bottom end of the bottom plate is provided with a roller, and the roller is rotatably connected with the bottom end of the bottom plate.

Further, the mounting bracket with backup pad sliding connection, the slider is T type structure, just the slider with spout size phase-match.

Further, the inside blackboard body that is equipped with of first installation cavity, just the blackboard body passes through the bolt with the mounting bracket rigid coupling.

Further, the display with the second installation cavity rotates to be connected, just the display trailing flank is equipped with the blackboard body.

Furthermore, the number of the guide plates is two, and the two guide plates are symmetrically distributed on the side face of the front side of the mounting rack.

Furthermore, the guide block and the guide groove are both rectangular structures and are connected in a sliding manner.

Furthermore, the fixture block is of a U-shaped structure, and the fixture block is clamped with the bottom end of the display.

Furthermore, the number of the clamping blocks is two, and the two clamping blocks are symmetrically distributed at the bottom end of the display.

Further, the connecting rod with mounting bracket sliding connection, and two connecting rod symmetric distribution in the connecting plate top.

The beneficial effect of this application is: the application provides an adjustable blackboard is used in music teaching that functional strong and be convenient for adjust and use.

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 diagram of a mounting bracket and a display according to an embodiment of the present application;

fig. 3 is a schematic diagram of a fixture block structure according to an embodiment of the present application;

FIG. 4 is a diagram illustrating a mounting bracket and a mounting plate according to an embodiment of the present application;

FIG. 5 is a diagram illustrating a connection between a support plate and a base plate according to an embodiment of the present application.

In the figure: 1. the roller, 2, the bottom plate, 3, the backup pad, 31, the spout, 4, the slider, 41, the screw hole, 5, first motor, 6, the mounting bracket, 61, first installation cavity, 62, the second installation cavity, 7, the blackboard body, 8, the display, 9, place the board, 10, the deflector, 101, the guide way, 11, first pivot, 12, the fixture block, 13, first spring, 14, the connecting rod, 15, the connecting plate, 16, the electromagnetism push rod, 17, the bolt, 18, the bearing, 19, the second motor, 20, the constant head tank, 21, the reference column, 22, the second pivot, 23, the guide block, 231, the slide opening, 24, the second spring, 25, the slide bar, 26, the slide bar.

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. 1-5, an adjustable blackboard for music teaching comprises a bottom plate 2, a support plate 3, a mounting frame 6, a placing plate 9, a guide plate 10, an electromagnetic push rod 16, a bolt 17 and a bearing 18;

the bottom end of the supporting plate 3 is fixedly connected with the top end of the bottom plate 2, a sliding groove 31 is formed in the side face of the supporting plate 3, sliding blocks 4 are fixedly connected to two sides of the bottom end of the mounting frame 6, the sliding blocks 4 are connected with the sliding groove 31 in a sliding mode, and threaded holes 41 are formed in the top ends of the sliding blocks 4; a screw 26 is arranged in the chute 31, two ends of the screw 26 are rotatably connected with the inner end wall of the chute 31 through the bearing 18, the screw 26 is screwed with the threaded hole 41, the top end of the support plate 3 is fixedly connected with a first motor 5, and the output end of the first motor 5 is fixedly connected with the top end of the screw 26;

a first mounting cavity 61 and a second mounting cavity 62 are respectively formed in the side surface of the mounting frame 6, a display 8 is arranged in the second mounting cavity 62, first rotating shafts 11 are fixedly connected to two sides of the display 8, the outer ends of the first rotating shafts 11 are rotatably connected with the inner side walls of the second mounting cavity 62 through bearings 18, a second motor 19 is fixedly connected to the inner side walls of the first mounting cavity 61, and the output end of the second motor 19 is fixedly connected with the outer end of the first rotating shaft 11; a clamping block 12 is fixedly connected to the bottom end of the display 8, a connecting rod 14 is fixedly connected to the bottom end of the clamping block 12, a first spring 13 is sleeved on the surface of the connecting rod 14, the bottom end of the connecting rod 14 penetrates through the bottom end of the mounting frame 6, a connecting plate 15 is fixedly connected to the bottom ends of two adjacent connecting rods 14, the electromagnetic push rod 16 is embedded at the bottom end of the mounting frame 6, and the output end of the electromagnetic push rod 16 is fixedly connected with the top end of the connecting plate 15;

one end of each guide plate 10 is fixedly connected with the front side face of the bottom end of the mounting frame 6, the placing plate 9 is arranged between the two guide plates 10, a guide groove 101 is formed in the side face of each guide plate 10, a guide block 23 is clamped in the guide groove 101, two ends of each placing plate 9 are fixedly connected with a second rotating shaft 22, the outer end of each second rotating shaft 22 is rotatably connected with the side face of the corresponding guide block 23, and the guide block 23 is clamped in the guide groove 101; a sliding hole 231 is formed in the side surface of the guide block 23, a sliding rod 25 is fixedly connected inside the guide groove 101, the sliding rod 25 penetrates through the sliding hole 231, a second spring 24 is arranged on one side of the guide block 23, and the second spring 24 is sleeved on the surface of the sliding rod 25; the locating groove 20 is formed in the front side face of the bottom end of the mounting frame 6, a locating column 21 is fixedly connected to the end face of the rear end of the placing plate 9, and the outer end of the locating column 21 is clamped inside the locating groove 20.

The number of the supporting plates 3 is two, the two supporting plates 3 are symmetrically distributed at the top end of the bottom plate 2, the bottom end of the bottom plate 2 is provided with a roller 1, the roller 1 is rotatably connected with the bottom end of the bottom plate 2, and the device can be moved through the roller 1; the mounting frame 6 is connected with the supporting plate 3 in a sliding mode, the sliding block 4 is of a T-shaped structure, and the sliding block 4 is matched with the sliding groove 31 in size, so that the height of the mounting frame 6 can be adjusted conveniently; a blackboard body 7 is arranged in the first installation cavity 61, and the blackboard body 7 is fixedly connected with the installation frame 6 through the bolt 17, so that the blackboard body 7 can be conveniently installed and detached; the display 8 is rotatably connected with the second installation cavity 62, the blackboard body 7 is arranged on the rear side face of the display 8, and auxiliary display can be realized through the display 8; the number of the guide plates 10 is two, and the two guide plates 10 are symmetrically distributed on the side face of the front side of the mounting frame 6, so that the mounting of the placing plate 9 is facilitated; the guide block 23 and the guide groove 101 are both rectangular structures and are in sliding connection, so that the stability between the guide block and the guide groove is enhanced; the fixture block 12 is of a U-shaped structure, the fixture block 12 is clamped with the bottom end of the display 8, and the display 8 can be fixed in an auxiliary manner through the fixture block 12; the number of the fixture blocks 12 is two, and the two fixture blocks 12 are symmetrically distributed at the bottom end of the display 8, so that the stability of the display 8 is enhanced; the connecting rod 14 with mounting bracket 6 sliding connection, and two connecting rod 14 symmetric distribution in connecting plate 15 top, through connecting rod 14 can drive fixture block 12 slides.

When the blackboard eraser is used, the screw 26 at the tail end of the first motor 5 can be driven to rotate through the work of the first motor 5, the sliding block 4 can drive the mounting frame 6 to move towards the top end along the sliding groove 31 under the screwing of the screw 26 and the threaded hole 41 until the mounting frame 6 is lifted to the highest position of the supporting plate 3, so that the blackboard body 7 and the display 8 are displayed, and the whole height of the mounting frame 6 is convenient to adjust;

then the second motor 19 is controlled to drive the display 8 to rotate in the second mounting cavity 62 through the first rotating shaft 11, so that the front and the back of the display 8 can be adjusted for use, the front of the display 8 is provided with a display screen, and the back of the display 8 is provided with a blackboard body 7; meanwhile, after the rotation of the display 8 is completed, the electromagnetic push rod 16 works, and the electromagnetic push rod 16 drives the fixture block 12 to move towards the top end through the connecting rod 14 until the bottom end of the fixture block 12 is clamped at the bottom end of the mounting frame 6, so that the display 8 can be fixed in an auxiliary manner; at last can leave article such as chalk in the inside of placing board 9, place board 9 and can drive guide block 23 and slide along slide bar 25 to the outside end pulling to can compress second spring 24, break away from until reference column 21 and constant head tank 20, will place board 9 again and rotate, can clear up with this placing board 9 is inside, and the dismouting is simple.

The application has the advantages that:

1. according to the blackboard display, the screw at the tail end of the first motor can be driven to rotate through the work of the first motor, and the sliding block can drive the mounting frame to move towards the top end along the sliding groove under the screwing of the screw and the threaded hole, so that the blackboard body and the display can be displayed, meanwhile, the whole height of the mounting frame can be conveniently adjusted, and the functionality is enhanced;

2. the display can be driven to rotate through the second motor, so that the front side and the back side of the display can be adjusted for use, the front side of the display is provided with a display screen, the back side of the display is provided with a blackboard, and the electromagnetic push rod works to drive the clamping block to move towards the top end until the bottom end of the clamping block is clamped at the bottom end of the mounting frame, so that the display is subjected to auxiliary fixing;

3. this application can drive the guide block and slide along the slide bar through placing the board to the outside end pulling to can compress the second spring, break away from until reference column and constant head tank, will place the board again and rotate, can clear up with this placing inboard portion, the dismouting is simple.

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 an adjustable blackboard is used in music teaching which characterized in that: comprises a bottom plate (2), a supporting plate (3), a mounting frame (6), a placing plate (9), a guide plate (10), an electromagnetic push rod (16), a bolt (17) and a bearing (18);

the bottom end of the supporting plate (3) is fixedly connected with the top end of the bottom plate (2), a sliding groove (31) is formed in the side face of the supporting plate (3), sliding blocks (4) are fixedly connected to two sides of the bottom end of the mounting frame (6), the sliding blocks (4) are connected with the sliding groove (31) in a sliding mode, and a threaded hole (41) is formed in the top end of each sliding block (4); a screw rod (26) is arranged in the sliding groove (31), two ends of the screw rod (26) are rotatably connected with the inner end wall of the sliding groove (31) through the bearings (18), the screw rod (26) is screwed with the threaded hole (41), the top end of the supporting plate (3) is fixedly connected with a first motor (5), and the output end of the first motor (5) is fixedly connected with the top end of the screw rod (26);

a first installation cavity (61) and a second installation cavity (62) are respectively formed in the side face of the installation frame (6), a display (8) is arranged inside the second installation cavity (62), both sides of the display (8) are fixedly connected with first rotating shafts (11), the outer ends of the first rotating shafts (11) are rotatably connected with the inner side wall of the second installation cavity (62) through bearings (18), a second motor (19) is fixedly connected with the inner side wall of the first installation cavity (61), and the output end of the second motor (19) is fixedly connected with the outer end of the first rotating shaft (11); a clamping block (12) is fixedly connected to the bottom end of the display (8), a connecting rod (14) is fixedly connected to the bottom end of the clamping block (12), a first spring (13) is sleeved on the surface of the connecting rod (14), the bottom end of the connecting rod (14) penetrates through the bottom end of the mounting rack (6), a connecting plate (15) is fixedly connected to the bottom ends of two adjacent connecting rods (14), the electromagnetic push rod (16) is embedded into the bottom end of the mounting rack (6), and the output end of the electromagnetic push rod (16) is fixedly connected with the top end of the connecting plate (15);

one end of each guide plate (10) is fixedly connected with the front side face of the bottom end of the mounting frame (6), the placing plate (9) is arranged between the two guide plates (10), a guide groove (101) is formed in the side face of each guide plate (10), a guide block (23) is clamped in the guide groove (101), second rotating shafts (22) are fixedly connected to the two ends of each placing plate (9), the outer ends of the second rotating shafts (22) are rotatably connected with the side faces of the guide blocks (23), and the guide blocks (23) are clamped in the guide grooves (101); a sliding hole (231) is formed in the side surface of the guide block (23), a sliding rod (25) is fixedly connected inside the guide groove (101), the sliding rod (25) penetrates through the sliding hole (231), a second spring (24) is arranged on one side of the guide block (23), and the second spring (24) is sleeved on the surface of the sliding rod (25); the locating groove (20) is formed in the front side face of the bottom end of the mounting frame (6), a locating column (21) is fixedly connected to the end face of the rear end of the placing plate (9), and the outer end of the locating column (21) is clamped inside the locating groove (20).

2. The adjustable blackboard for music teaching according to claim 1, wherein: the number of backup pad (3) is two, two backup pad (3) symmetric distribution in bottom plate (2) top, bottom plate (2) bottom is equipped with gyro wheel (1), just gyro wheel (1) with bottom plate (2) bottom is rotated and is connected.

3. The adjustable blackboard for music teaching according to claim 2, wherein: mounting bracket (6) with backup pad (3) sliding connection, slider (4) are T type structure, just slider (4) with spout (31) size phase-match.

4. The adjustable blackboard for music teaching according to claim 3, wherein: first installation cavity (61) inside is equipped with blackboard body (7), just blackboard body (7) pass through bolt (17) with mounting bracket (6) rigid coupling.

5. The adjustable blackboard for music teaching according to claim 4, wherein: display (8) with second installation cavity (62) rotate to be connected, just display (8) trailing flank is equipped with blackboard body (7).

6. The adjustable blackboard for music teaching according to claim 5, wherein: the number of deflector (10) is two, and two deflector (10) symmetric distribution in mounting bracket (6) front side.

7. The adjustable blackboard for music teaching according to claim 6, wherein: the guide block (23) and the guide groove (101) are both rectangular structures and are in sliding connection.

8. The adjustable blackboard for music teaching according to claim 7, wherein: the fixture block (12) is of a U-shaped structure, and the fixture block (12) is clamped with the bottom end of the display (8).

9. The adjustable blackboard for music teaching according to claim 8, wherein: the number of the clamping blocks (12) is two, and the two clamping blocks (12) are symmetrically distributed at the bottom end of the display (8).

10. The adjustable blackboard for music teaching according to claim 9, wherein: connecting rod (14) with mounting bracket (6) sliding connection, and two connecting rod (14) symmetric distribution in connecting plate (15) top.