CN215895697U

CN215895697U - Music dance teaching presentation device

Info

Publication number: CN215895697U
Application number: CN202122306501.0U
Authority: CN
Inventors: 李悦; 秦琴
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-02-22
Anticipated expiration: 2031-09-23

Abstract

The utility model provides a music and dance teaching demonstration device which comprises a bottom plate, wherein a shell is erected at the top of the bottom plate, a display screen frame is arranged at the upper part of the shell, a display screen is arranged inside the display screen frame, a writing board is arranged on the outer side of the display screen, two sides of the writing board are both connected with the shell in a sliding manner, a driving mechanism for driving the writing board frame to move in a reciprocating manner along the vertical direction is arranged on the rear side of the display screen frame, and a control switch is arranged on the side surface of the shell; the music and dance teaching demonstration device provided by the utility model is provided with the writing board and the display screen, can meet the teaching functions of writing on the board and video information through the writing board and the display screen, combines the two functions into a whole, occupies a small space, and is convenient to switch when in use.

Description

Music dance teaching presentation device

Technical Field

The utility model belongs to the technical field of teaching auxiliary equipment, and particularly relates to a music and dance teaching demonstration device.

Background

In the teaching process of music and dance, the blackboard writing is needed to transmit teaching information, and the teaching is often assisted by playing and demonstrating music and dance videos to help students visually acquire teaching contents

In the prior art, a chinese utility model patent with an authorized bulletin number of CN214152032U discloses a lifting type multimedia teaching display screen, which comprises a display screen body and two guide rails, wherein the two guide rails are connected with a driven shaft through a driving shaft, the driving shaft is connected with a motor, the guide rails are provided with a first U-shaped frame which slides up and down, the rear end of the display screen body is connected with a second U-shaped frame, and the first U-shaped frame is connected with the second U-shaped frame; wherein the display screen body can follow the guide rail and carry out the regulation of upper and lower position, can carry out the adaptability adjustment according to the classroom of difference, different student and number to the height of display screen body, has increased the convenience of using, has improved the comfort level that the student watched, has improved teaching efficiency, and the regulative mode is simple, convenient to use.

In above-mentioned prior art, can play video auxiliary teaching through the display screen, but the function is single, can't carry out the blackboard writing, needs extra prepare a clipboard again under the condition of needs blackboard writing, needs to occupy great space.

Therefore, a music dance teaching demonstration device with a writing board and a display screen and capable of displaying teaching contents in multiple modes is needed to be designed to solve the technical problem facing the prior art.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides the music dance teaching demonstration device which is provided with a writing board and a display screen and is convenient for showing teaching contents in various modes.

The technical scheme of the utility model is as follows: music dance teaching presentation device, comprising a base plate, the shell has been erect at the top of bottom plate, the upper portion of shell is provided with the display screen frame, the inside display screen that is provided with of display screen frame, the outside of display screen is provided with the clipboard, the both sides of clipboard all with shell sliding connection, display screen frame rear side is provided with the drive clipboard is along vertical direction reciprocating motion's actuating mechanism, the side of shell is provided with control switch.

The bottom of shell is provided with the bottom plate, the top of shell is provided with the roof, the roof with the symmetry is provided with the guide arm between the bottom plate, the both sides of clipboard frame all are provided with the clipboard side frame, the clipboard side frame with guide arm sliding connection.

The driving mechanism is provided with a lead screw, one end of the lead screw is vertically and rotatably arranged at the top of the bottom plate, the other end of the lead screw is rotatably arranged at the rear side of the display screen frame, and a speed reduction motor for driving the lead screw to rotate is fixedly arranged at the rear side of the display screen frame.

The top both sides of bottom plate all be provided with the lower limit switch that the clipboard frame is corresponding, the bottom both sides of roof all be provided with the upper limit switch that the clipboard frame is corresponding.

The bottom of clipboard is provided with the standing groove, the standing groove is U type groove.

The bottom of shell symmetry sets up two branches, branch vertical fixation sets up the top of bottom plate.

The bottom symmetry of shell is provided with two oblique branch, the tip of oblique branch and the top fixed connection of bottom plate.

Four self-locking trundles are uniformly arranged at the top of the bottom plate.

The utility model has the beneficial effects that:

(1) the music and dance teaching demonstration device is provided with the writing board and the display screen, can meet the teaching functions of writing on the board and video information through the writing board and the display screen, combines the two functions into a whole, occupies a small space and is convenient to switch when in use;

(2) when idle, can play good guard action to the display screen through the display screen frame, avoid the display screen to bump.

Drawings

FIG. 1 is a schematic structural diagram of a music dance teaching demonstration apparatus according to the present invention.

Fig. 2 is a second schematic structural diagram of the music dance teaching demonstration apparatus of the present invention.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is in no way intended to limit the utility model, its application, or uses. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments are to be construed as merely illustrative, and not as limitative, unless specifically stated otherwise.

The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element preceding the word covers the element listed after the word, and does not exclude the possibility that other elements are also covered. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

As shown in fig. 1 and 2, the music and dance teaching demonstration device comprises a bottom plate 1, a shell 2 is erected on the top of the bottom plate 1, a display screen frame 19 is arranged on the upper portion of the shell 2, the display screen frame 19 is welded and fixed on the top of one side of the shell 1, a display screen 5 is arranged inside the display screen frame 19, the display screen frame 19 is matched with the display screen 5, the display screen 5 is assembled in the display screen frame 19, a writing board 7 is arranged on the outer side of the display screen 5, a gap exists between the writing board 7 and the display screen 5 to avoid interference on the movement of the writing board 7 by the display screen 5, both sides of the writing board 5 are slidably connected with the shell 2, the writing board 5 can slide up and down along the shell 2, a driving mechanism for driving the writing board frame 7 to reciprocate along the vertical direction is arranged on the rear side of the display screen frame 19, a control switch 16 is arranged on the side of the shell 2, and the driving mechanism can be controlled to rotate forward and backward by the control switch 16, therefore, the driving device drives the writing board frame 19 to drive the writing board 6 to move up and down along the shell 2, when the writing board frame 19 moves to the highest position, a teacher can conveniently use the writing board 6 to write on a board, meanwhile, the writing board frame 7 shields the display screen 5 to protect the display screen 5, when video playing auxiliary teaching is needed, the writing board frame 7 can move down along the shell 2 to enable the display screen 5 to be exposed, and the video playing auxiliary teaching is carried out through the display screen 5; the blackboard writing and video information teaching device is provided with the writing board 6 and the display screen 5, the teaching function of the blackboard writing and the video information can be met through the writing board 6 and the display screen 5, the two functions are combined into one, the occupied space is small, and the switching is convenient during use; meanwhile, when the display screen is idle, the display screen frame can well protect the display screen 5, and the display screen 5 is prevented from colliding.

Further, a bottom plate 4 is arranged at the bottom end of the shell 2, a top plate 3 is arranged at the top end of the shell 2, the bottom plate 4 and the top plate 3 are fixedly connected with the shell 2 into an integral structure, guide rods 9 are symmetrically arranged between the top plate 3 and the bottom plate 4, writing board side frames 8 are arranged on two sides of the writing board frame 7, the writing board side frames 8 are fixedly connected with the writing board frame 7, and the writing board side frames 8 are in sliding connection with the guide rods 9; the writing side plate 8 is fixedly provided with a linear bearing matched with the guide rod 9, the writing side plate 8 is connected with the guide rod 9 in a sliding mode through the linear bearing, and the writing plate frame 7 is matched with the guide rod 9 through the writing plate side frame 8 and slides along the guide rod 9.

As a specific embodiment of the driving mechanism, the driving mechanism has a lead screw 10, one end of the lead screw 10 is vertically and rotatably disposed on the top of the bottom plate 4, the other end of the lead screw 10 is rotatably disposed on the rear side of the display screen frame 19, a speed reduction motor (not shown in the figure) for driving the lead screw 10 to rotate is fixedly disposed on the rear side of the display screen frame 19, the speed reduction motor is fixed on the rear side of the display screen frame 19, the speed reduction motor is in transmission connection with the lead screw 10, and the lead screw 10 can be driven to rotate forward and backward by the speed reduction motor, so as to drive the writing board frame 7 to move up and down along the guide rod 9.

As a specific embodiment of the control switch 16, the control switch 16 has two control buttons, one button is used for controlling the deceleration motor to rotate forward to drive the writing board 6 to ascend, and the other button is used for controlling the deceleration motor to rotate backward to drive the writing board 6 to descend.

As an in-place detection mode in the moving process of the writing board 6, the two sides of the top of the bottom board 4 are both provided with lower limit switches 18 corresponding to the writing board frames 7, the two sides of the bottom of the top board 3 are both provided with upper limit switches 17 corresponding to the writing board frames 7, the writing board 6 can trigger the upper limit switches 17 when rising to the place, and after the upper limit switches are detected and signals are output by the upper limit switches 17, the speed reduction motor stops rotating; when the writing board 6 descends to the right position, the lower limit switch 18 is triggered, and after the lower limit switch is detected, a signal is output by the lower limit switch 18, the speed reducing motor stops rotating.

Further, the bottom of clipboard 6 is provided with standing groove 20, and standing groove 20 is U type groove, standing groove 20 and clipboard 6's front side bottom fixed connection, and standing groove 20 is inside can be used to place whiteboard pen and blackboard eraser, and the teacher of being convenient for writes the use, and wherein clipboard 6 is for writing the blank.

As a supporting mode of the shell 2, two supporting rods 14 are symmetrically arranged at the bottom of the shell 2, and the supporting rods 14 are vertically and fixedly arranged at the top of the bottom plate 1; further, the bottom symmetry of shell 2 is provided with two oblique branch 15, and the tip of oblique branch 15 and the top fixed connection of bottom plate 2 further improve the joint strength between shell 2 and the bottom plate 1 through oblique branch 14, improve the stability of connecting.

Four self-locking trundles 13 are uniformly arranged at the top of the bottom plate 1, the device can be conveniently moved through the self-locking trundles 13, and meanwhile, the self-locking trundles 13 can be locked to fix the device at a required position.

Thus, various embodiments of the present invention have been described in detail. Some details well known in the art have not been described in order to avoid obscuring the concepts of the present invention. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a music dance teaching presentation device which characterized in that: the improved multifunctional writing board is characterized by comprising a base plate, a shell is erected at the top of the base plate, a display screen frame is arranged on the upper portion of the shell, a display screen is arranged inside the display screen frame, a writing board is arranged on the outer side of the display screen, the two sides of the writing board are connected with the shell in a sliding mode, the rear side of the display screen frame is provided with a driving mechanism for driving the writing board frame to move in a reciprocating mode along the vertical direction, and a control switch is arranged on the side face of the shell.

2. The music dance teaching presentation device of claim 1, wherein: the bottom of shell is provided with the bottom plate, the top of shell is provided with the roof, the roof with the symmetry is provided with the guide arm between the bottom plate, the both sides of clipboard frame all are provided with the clipboard side frame, the clipboard side frame with guide arm sliding connection.

3. The music dance teaching presentation device of claim 2, wherein: the driving mechanism is provided with a lead screw, one end of the lead screw is vertically and rotatably arranged at the top of the bottom plate, the other end of the lead screw is rotatably arranged at the rear side of the display screen frame, and a speed reduction motor for driving the lead screw to rotate is fixedly arranged at the rear side of the display screen frame.

4. The music dance teaching presentation device of claim 2, wherein: the top both sides of bottom plate all be provided with the lower limit switch that the clipboard frame is corresponding, the bottom both sides of roof all be provided with the upper limit switch that the clipboard frame is corresponding.

5. The music dance teaching presentation device of claim 1, wherein: the bottom of clipboard is provided with the standing groove, the standing groove is U type groove.

6. The music dance teaching presentation device of claim 1, wherein: the bottom of shell symmetry sets up two branches, branch vertical fixation sets up the top of bottom plate.

7. The music dance teaching presentation device of claim 1, wherein: the bottom symmetry of shell is provided with two oblique branch, the tip of oblique branch and the top fixed connection of bottom plate.

8. The music dance teaching presentation device of claim 1, wherein: four self-locking trundles are uniformly arranged at the top of the bottom plate.