CN214901037U

CN214901037U - Piano playing action detection device

Info

Publication number: CN214901037U
Application number: CN202121165364.7U
Authority: CN
Inventors: 陈慧
Original assignee: Inner Mongolia Normal College For National Children (ordos National Art School)
Current assignee: Inner Mongolia Normal College For National Children (ordos National Art School)
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2021-11-26
Anticipated expiration: 2031-05-28

Abstract

The utility model discloses a piano performance action detection device, including setting up the box of placing in the piano top, place the box and pass through the upper surface of fixed establishment fixed connection at the piano, the upper surface of placing the box is rotated through the hinge and is connected with the rotor plate, and the lower fixed surface of rotor plate is connected with Jiong shape frame, and the both sides inner wall of Jiong shape frame is rotated through the pivot and is connected with the rotation support, and the lower fixed surface of rotation support is connected with the camera body, and the lower surface of rotor plate is rotated through the pivot and is connected with the slip post. This piano playing action detection device places box, rotor plate, Jiong shape frame, rotation support, camera body, slip post, fixed pipe, spacing bolt and fixing bolt through the setting, and the pulling rotor plate of being convenient for utilizes spacing bolt fixed, simultaneously according to detecting the angle regulation rotation support's angle, and when not using, makes the camera body hide inside placing the box to play dirt-proof purpose, promote detection quality.

Description

Piano playing action detection device

Technical Field

The utility model relates to a piano teaching technical field specifically is a piano performance action detection device.

Background

The piano is a keyboard instrument in Western classical music and is known as the king of the instrument. It is composed of 88 keys (52 white keys, 36 black keys) and a metal string sound board.

In the teaching process of the piano, the playing action of the piano is important, the detection of the playing action of the piano is mainly realized by means of capturing the body action through a camera and comparing and detecting the body action by a controller, the camera of the existing detection device is exposed, and the camera lens is easily stained with dust during the period of nonuse to influence the detection quality.

Therefore, we propose a piano playing motion detecting device.

Disclosure of Invention

An object of the utility model is to provide a piano is played and is moved detection device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a piano performance action detection device, including setting up the box of placing in the piano top, place the box and pass through the upper surface of fixed establishment fixed connection at the piano, the upper surface of placing the box is rotated through the hinge and is connected with the rotor plate, the lower fixed surface of rotor plate is connected with Jiong shape frame, the both sides inner wall of Jiong shape frame is rotated through the pivot and is connected with the rotation support, the lower fixed surface of rotation support is connected with the camera body, the lower surface of rotor plate is rotated through the pivot and is connected with the slip post, the inside wall of placing the box is rotated through the pivot and is connected with fixed pipe, and slip post sliding connection is at the inner wall of fixed pipe.

Preferably, the fixing mechanism comprises a connecting shell fixedly connected to two sides of the placing box, sucking discs are arranged on the lower surface of the connecting shell, and the sucking discs are adsorbed on the upper surface of the piano.

Preferably, the inner wall sliding connection who connects the casing has the piston, connects the upper surface of casing and sets up threaded hole, and the inner wall threaded connection of screw hole has the threaded dwang, the bottom of threaded dwang and the last fixed surface of piston are connected.

Preferably, the outer surface of the fixed pipe is provided with a threaded through hole, the inner wall of the threaded through hole is in threaded connection with a limiting bolt, the threaded end of the limiting bolt is in lap joint with the outer surface of the sliding column, and the bottom end of the sliding column and the inner bottom wall of the fixed pipe are fixedly connected with tension springs.

Preferably, the side of the Jiong-shaped frame is provided with a limiting threaded hole, and the inner wall of the limiting threaded hole is in threaded connection with a fixing bolt for fixing the rotating support.

Preferably, the upper surface of the placing box is fixedly connected with a handle.

Advantageous effects

The utility model provides a piano performance action detection device possesses following beneficial effect:

1. this action detection device is played to piano through setting up connection casing, sucking disc, piston and threaded dwang, is convenient for rotate threaded dwang, makes the piston remove to make the sucking disc adsorb on the piano, thereby make the device reach the fixed purpose of harmless installation.

2. This piano playing action detection device places box, rotor plate, Jiong shape frame, rotation support, camera body, slip post, fixed pipe, spacing bolt and fixing bolt through the setting, and the pulling rotor plate of being convenient for utilizes spacing bolt fixed, simultaneously according to detecting the angle regulation rotation support's angle, and when not using, makes the camera body hide inside placing the box to play dirt-proof purpose, promote detection quality.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;

FIG. 2 is a schematic side sectional view of the present invention;

fig. 3 is a schematic view of the three-dimensional structure of the connection housing of the present invention.

In the figure: the camera comprises a 1 placing box, a 2 rotating plate, a 3 Jiong-shaped frame, a 4 rotating bracket, a 5 camera body, a 6 sliding column, a 7 fixing pipe, an 8 connecting shell, a 9 sucking disc, a 10 piston, a 11 threaded rotating rod, a 12 limiting bolt, a 13 tension spring, a 14 fixing bolt and a 15 handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a piano performance action detection device, including setting up the box 1 of placing in the piano top, place the upper surface of box 1 through fixed establishment fixed connection at the piano, fixed establishment includes fixed connection and is placing the connection casing 8 of box 1 both sides, the lower surface of connecting casing 8 is provided with sucking disc 9, and sucking disc 9 adsorbs at the upper surface of piano, the inner wall sliding connection who connects casing 8 has piston 10, connect casing 8's upper surface set screw hole, and the inner wall threaded connection of screw hole has threaded dwang 11, the bottom of threaded dwang 11 and the upper surface fixed connection of piston 10, connect casing 8 through the setting, sucking disc 9, piston 10 and threaded dwang 11, be convenient for rotate threaded dwang 11, make piston 10 remove, and make sucking disc 9 adsorb on the piano, thereby make the device reach the fixed purpose of harmless installation.

The upper surface of placing box 1 is connected with rotor plate 2 through the hinge rotation, the last fixed surface who places box 1 is connected with handle 15, the lower fixed surface who rotates plate 2 is connected with Jiong shape frame 3, the both sides inner wall of Jiong shape frame 3 rotates through the pivot and is connected with and rotates support 4, spacing screw hole has been seted up to the side of Jiong shape frame 3, and the inner wall threaded connection of spacing screw hole has fixing bolt 14 that is used for fixed rotation support 4, the lower fixed surface who rotates support 4 is connected with camera body 5.

The lower surface of the rotating plate 2 is rotatably connected with a sliding column 6 through a rotating shaft, the inner side wall of the placing box 1 is rotatably connected with a fixed pipe 7 through the rotating shaft, the sliding column 6 is slidably connected with the inner wall of the fixed pipe 7, the outer surface of the fixed pipe 7 is provided with a threaded through hole, the inner wall of the threaded through hole is in threaded connection with a limit bolt 12, the threaded end of the limit bolt 12 is lapped with the outer surface of the sliding column 6, the bottom end of the sliding column 6 and the inner bottom wall of the fixed pipe 7 are fixedly connected with a tension spring 13, the placing box 1, the rotating plate 2, the Jiong-shaped frame 3, the rotating bracket 4, the camera body 5, the sliding column 6, the fixed pipe 7, the limit bolt 12 and the fixed bolt 14 are convenient to pull the rotating plate 2 and fixed by the limit bolt 12, the angle of the rotating bracket 4 is adjusted according to the detected angle, and when the camera body 5 is not used, the camera body 5 is hidden in the placing box 1, thereby playing dustproof purpose, promoting detection quality.

The working principle is as follows: when using this piano to play action detection device, place sucking disc 9 in piano top suitable position, then rotate threaded dwang 11, make piston 10 remove, and utilize sucking disc 9 to fix the device in the piano top, pulling handle 15 after that, make rotor plate 2 rotate, screw up limit bolt 12, fix sliding column 6, rotate camera body 5 again and adjust suitable position, and screw up fixing bolt 14 and fix, after finishing using, make camera body 5 hide in placing box 1, play action detection device through using this piano, play dirt-proof purpose, promote detection quality.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a piano performance action detection device, is including setting up the box (1) of placing above the piano, its characterized in that: place box (1) and pass through the upper surface of fixed establishment fixed connection at the piano, the upper surface of placing box (1) is rotated through the hinge and is connected with rotor plate (2), the lower fixed surface of rotor plate (2) is connected with Jiong shape frame (3), the both sides inner wall of Jiong shape frame (3) is rotated through the pivot and is connected with rotation support (4), the lower fixed surface of rotation support (4) is connected with camera body (5), the lower surface of rotor plate (2) is rotated through the pivot and is connected with slip post (6), the inside wall of placing box (1) is rotated through the pivot and is connected with fixed pipe (7), and slip post (6) sliding connection is at the inner wall of fixed pipe (7).

2. A piano playing motion detecting apparatus according to claim 1, wherein: the fixing mechanism comprises a connecting shell (8) fixedly connected to two sides of the placing box (1), suckers (9) are arranged on the lower surface of the connecting shell (8), and the suckers (9) are adsorbed on the upper surface of the piano.

3. A piano playing motion detecting apparatus according to claim 2, wherein: the inner wall sliding connection who connects casing (8) has piston (10), connects the upper surface set up threaded hole of casing (8), and the inner wall threaded connection of screw hole has threaded dwang (11), and the bottom of threaded dwang (11) is connected with the last fixed surface of piston (10).

4. A piano playing motion detecting apparatus according to claim 1, wherein: the outer surface of fixed pipe (7) is seted up threaded through hole, and threaded through hole's inner wall threaded connection has spacing bolt (12), the screw thread end of spacing bolt (12) and the outer surface overlap joint of slip post (6), the bottom of slip post (6) and the interior diapire fixedly connected with extension spring (13) of fixed pipe (7).

5. A piano playing motion detecting apparatus according to claim 1, wherein: the side surface of the Jiong-shaped frame (3) is provided with a limiting threaded hole, and the inner wall of the limiting threaded hole is in threaded connection with a fixing bolt (14) for fixing the rotating bracket (4).

6. A piano playing motion detecting apparatus according to claim 1, wherein: the upper surface of the placing box (1) is fixedly connected with a handle (15).