CN216902213U - Automatic hinge system of piano - Google Patents
Automatic hinge system of piano Download PDFInfo
- Publication number
- CN216902213U CN216902213U CN202220084895.1U CN202220084895U CN216902213U CN 216902213 U CN216902213 U CN 216902213U CN 202220084895 U CN202220084895 U CN 202220084895U CN 216902213 U CN216902213 U CN 216902213U
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- hinge system
- piano
- opening
- automatic hinge
- fixing plate
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Abstract
The utility model discloses an automatic hinge system for a piano, which comprises a piano body, wherein the piano body is provided with an automatic hinge system matched with a bent shell; the automatic hinge system comprises a top cover, a guide rail, a support rod, a fixing plate, an opening and closing driver, a band-type brake and a controller; the top cover can be connected with an opening of the bent shell in an opening and closing mode, the guide rail is installed at the bottom of the top cover, the fixed plate is installed in the bent shell, one end of the supporting rod is movably connected with the sliding block on the guide rail, the other end of the supporting rod is rotatably connected to the fixed plate, and the guide rail and the fixed plate are located in the same vertical plane; the opening and closing driver and the band-type brake are both installed on the fixing plate, the opening and closing driver can drive the supporting rod to rotate to open and close the top cover, the band-type brake is used for fixing the supporting rod, and the opening and closing driver and the band-type brake are both controlled by the controller. The automatic hinge system for the piano, provided by the utility model, can realize automatic opening and closing of the top cover, and is simple in structure and convenient to use.
Description
Technical Field
The utility model belongs to the technical field of pianos, and particularly relates to an automatic hinge system of a piano.
Background
The top cap of piano adopts the bracing piece to support, and the structure of current bracing piece divide into straight-bar and folding rod two kinds, and it uses comparatively troublesome when supporting open the top cap, supports moreover and stabilizes inadequately, leads to the top cap to fall the damage easily during the bearing. Based on the reasons, the automatic piano hinge system is designed, the top cover can be automatically opened and closed, the supporting stability is guaranteed, and the service life and the convenience are improved.
Disclosure of Invention
The utility model aims to: in order to overcome the defects in the prior art, the utility model provides the automatic piano hinge system which can realize automatic opening and closing of the top cover, and is simple in structure and convenient to use.
The technical scheme is as follows: in order to achieve the aim, the automatic hinge system for the piano comprises a piano body, a hinge mechanism and a hinge mechanism, wherein the piano body is provided with the automatic hinge system matched with a bent shell; the automatic hinge system comprises a top cover, a guide rail, a support rod, a fixing plate, an opening and closing driver, a brake contracting device and a controller; the top cover can be connected with an opening of the bent shell in an opening and closing mode, the guide rail is installed at the bottom of the top cover, the fixed plate is installed in the bent shell, one end of the supporting rod is movably connected with the sliding block on the guide rail, the other end of the supporting rod is rotatably connected to the fixed plate, and the guide rail and the fixed plate are located in the same vertical plane; the opening and closing driver and the band-type brake are both installed on the fixed plate, the opening and closing driver can drive the supporting rod to rotate to open and close the top cover, the band-type brake is used for fixing the supporting rod, and the opening and closing driver and the band-type brake are both controlled by the controller.
Furthermore, the automatic hinge system further comprises a rotating shaft, and the supporting rod is rotatably connected to the fixing plate through the rotating shaft.
Further, the opening and closing driver comprises a servo motor, a gear and an incomplete gear; the servo motor is arranged on the fixing plate, the gear is arranged on an output shaft of the servo motor, the incomplete gear is connected to the end part of the supporting rod where the rotating shaft is located, and the gear is meshed with the incomplete gear; the servo motor is controlled by a controller.
Further, the band-type brake comprises a bracket, an electric push rod and a band-type brake piece; the bracket is arranged on the fixed plate, and the two contracting brake pads are symmetrically arranged on two sides of the rotating shaft respectively through electric push rods correspondingly arranged on the bracket; the electric push rod is controlled by the controller.
Further, the automatic hinge system further comprises a first hinge, and the support rod is hinged to the sliding block on the guide rail through the first hinge.
Further, the opening edge of the bent shell is provided with a second hinge, and the top cover is hinged with the bent shell through the second hinge.
Has the advantages that: the automatic piano hinge system has the beneficial effects that: the piano top cover automatic opening and closing mechanism has the advantages that the automatic hinge system is arranged, the automatic opening and closing actions of the piano top cover are realized, the structure is simple, the use is convenient, the support rod of the top cover is fixedly supported through the band-type brake of the band-type brake device, the support stability is ensured, the fatigue damage of driving equipment is avoided, and the service life is prolonged.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
fig. 2 is a partial schematic structural view of an automatic hinge system.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 and 2, the automatic hinge system for the piano comprises a piano body, wherein the piano body is provided with an automatic hinge system 2 matched with a bent shell 1; the automatic hinge system 2 comprises a top cover 21, a guide rail 22, a support rod 23, a fixing plate 24, an opening and closing driver 25, a brake 26 and a controller 27; the top cover 21 can be connected to an opening of the bent shell 1 in an opening and closing manner, the guide rail 22 is installed at the bottom of the top cover 21, the fixing plate 24 is installed in the bent shell 1, one end of the supporting rod 23 is movably connected with the sliding block on the guide rail 22, the other end of the supporting rod 23 is rotatably connected to the fixing plate 24, and the guide rail 22 and the fixing plate 24 are located in the same vertical plane; the opening and closing driver 25 and the contracting brake 26 are both mounted on the fixing plate 24, the opening and closing driver 25 can drive the supporting rod 23 to rotate to open and close the top cover 21, the contracting brake 26 is used for fixing the supporting rod 23, and the opening and closing driver 25 and the contracting brake 26 are both controlled by the controller 27. The piano top cover 21 can be automatically opened and closed through the automatic hinge system 2, the structure is simple, the use is convenient, the support rod 23 of the top cover 21 is fixedly supported through the band-type brake of the band-type brake 26, the support stability is ensured, the fatigue damage of driving equipment is avoided, and the service life is prolonged.
More specifically, the automatic hinge system 2 further includes a rotating shaft 29, and the supporting rod 23 is rotatably connected to the fixing plate 24 through the rotating shaft 29.
The opening and closing driver 25 includes a servo motor 251, a gear 252, and an incomplete gear 253; the servo motor 251 is installed on the fixing plate 24, the gear 252 is installed on the output shaft of the servo motor 251, the incomplete gear 253 is connected to the end of the supporting rod 23 where the rotating shaft 29 is located, and the gear 252 is meshed with the incomplete gear 253; the servo motor 251 is controlled by the controller 27. The driving force for opening and closing the top cover 21 is provided by the servo motor 251, and the opening and closing degree is easy to control.
The brake contracting device 26 comprises a bracket 261, an electric push rod 262 and a brake contracting sheet 264; the bracket 261 is installed on the fixing plate 24, and the two contracting brake pieces 264 are symmetrically arranged on two sides of the rotating shaft 29 through the electric push rods 262 correspondingly installed on the bracket 261; the electric push rod 262 is controlled by the controller 27. The electric push rod 262 pushes the contracting brake piece 264 to clamp the rotating shaft 29 to realize contracting brake action, so that the support rod 23 is fixed, and the stability of the top cover 21 is ensured.
The automatic hinge system 2 further comprises a first hinge 28, and the support bar 23 is hinged to the slide block on the guide rail 22 through the first hinge 28. The opening edge of the bent shell 1 is provided with a second hinge 3, and the top cover 21 is hinged with the bent shell 1 through the second hinge 3.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the utility model and these are intended to be within the scope of the utility model.
Claims (6)
1. Automatic hinge system of piano, its characterized in that: comprises a piano body, wherein the piano body is provided with an automatic hinge system (2) matched with a bent shell (1); the automatic hinge system (2) comprises a top cover (21), a guide rail (22), a support rod (23), a fixing plate (24), an opening and closing driver (25), a brake (26) and a controller (27); the top cover (21) is connected to an opening of the bent shell (1) in an openable and closable manner, the guide rail (22) is installed at the bottom of the top cover (21), the fixing plate (24) is installed in the bent shell (1), one end of the supporting rod (23) is movably connected with the sliding block on the guide rail (22), the other end of the supporting rod (23) is rotatably connected to the fixing plate (24), and the guide rail (22) and the fixing plate (24) are located on the same vertical plane; open and shut driver (25) and band-type brake ware (26) and all install on fixed plate (24), open and shut driver (25) can drive bracing piece (23) and rotate to open, close top cap (21), band-type brake ware (26) are used for fixed stay pole (23), and open and shut driver (25) and band-type brake ware (26) and all pass through controller (27) control.
2. The automatic hinge system for piano of claim 1, wherein: the automatic hinge system (2) further comprises a rotating shaft (29), and the supporting rod (23) is rotatably connected to the fixing plate (24) through the rotating shaft (29).
3. The automatic hinge system for piano of claim 2, wherein: the opening and closing driver (25) comprises a servo motor (251), a gear (252) and an incomplete gear (253); the servo motor (251) is arranged on the fixing plate (24), the gear (252) is arranged on an output shaft of the servo motor (251), the incomplete gear (253) is connected to the end part of the supporting rod (23) where the rotating shaft (29) is located, and the gear (252) is meshed with the incomplete gear (253); the servo motor (251) is controlled by a controller (27).
4. The automatic hinge system for piano of claim 2 or 3, wherein: the brake contracting device (26) comprises a bracket (261), an electric push rod (262) and a brake contracting sheet (264); the bracket (261) is arranged on the fixing plate (24), and the two contracting brake pieces (264) are symmetrically arranged on two sides of the rotating shaft (29) through electric push rods (262) correspondingly arranged on the bracket (261); the electric push rod (262) is controlled by a controller (27).
5. The automatic hinge system for piano of claim 1, 2 or 3, wherein: the automatic hinge system (2) further comprises a first hinge piece (28), and the support rod (23) is hinged to the sliding block on the guide rail (22) through the first hinge piece (28).
6. The automatic hinge system for piano of claim 1, wherein: the opening edge of curved shell (1) is provided with second articulated elements (3), top cap (21) are articulated with curved shell (1) through second articulated elements (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220084895.1U CN216902213U (en) | 2022-01-13 | 2022-01-13 | Automatic hinge system of piano |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220084895.1U CN216902213U (en) | 2022-01-13 | 2022-01-13 | Automatic hinge system of piano |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216902213U true CN216902213U (en) | 2022-07-05 |
Family
ID=82213955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220084895.1U Active CN216902213U (en) | 2022-01-13 | 2022-01-13 | Automatic hinge system of piano |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216902213U (en) |
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2022
- 2022-01-13 CN CN202220084895.1U patent/CN216902213U/en active Active
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