CN218273956U

CN218273956U - Buffering protection device of piano cover

Info

Publication number: CN218273956U
Application number: CN202222049494.5U
Authority: CN
Inventors: 丁崇元; 刘小君
Original assignee: Wenzhou Dingyuan Teaching Instrument Co ltd
Current assignee: Wenzhou Dingyuan Teaching Instrument Co ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2023-01-10
Anticipated expiration: 2032-08-04

Abstract

The embodiment of the application discloses buffering protection device of piano lid relates to the technical of the piano field, specifically is a buffering protection device of piano lid, including the piano body, the front of piano body is provided with the key platform, and the bottom fixedly connected with supporting leg of key platform, the top of key platform is provided with the piano button, the top of key platform is glued and is connected with the piano lid that is located piano button top, the equal fixedly connected with transmission connecting rod in the left and right sides of piano lid bottom. This buffering protection device of piano lid, through setting up hydraulic buffer rod, transmission sleeve, registration arm isotructure, drive transmission connecting rod, first sealing piston when the piano lid falls and remove at the inside of registration arm, through the inside hydraulic oil transfer pressure of registration arm, promote the output shaft of hydraulic buffer rod and remove, guarantee that hydraulic buffer rod can cushion the piano lid whereabouts, embed hydraulic buffer rod isotructure in the installation storehouse simultaneously, the accessible is sealed to be lapped and will install the storehouse and seal.

Description

Buffering protection device of piano cover

Technical Field

The application relates to the technical field of pianos, more specifically relates to a buffering protection device of piano lid.

Background

The piano is a keyboard instrument in Western classical music and is known as the king of the instrument. The piano cover is composed of 88 keys and metal string soundboards, the piano is mostly of a wood structure, the weight of the cover plate is large, when the cover plate is closed, the piano cover can easily surpass the force of a user and quickly fall down, potential injury can be caused to the user or the piano, and therefore a buffering structure is needed for protection when the piano cover is closed.

At present, aiming at a buffering mechanism of a piano cover, mainly a gas spring or a hydraulic damper matched with a cover plate is arranged to realize buffering by a structure with damping buffering, for example, a piano cover support with a buffering protection structure is disclosed in patent No. CN202111062207.8, the gas springs are arranged on two sides of the cover plate to realize buffering when the cover plate falls, but the gas springs are arranged at a position which is obvious outside the piano, the whole buffering mechanism is sharp on the outer surface of the piano, so that the attractiveness of the piano is reduced, in addition, the gas springs are arranged on two sides outside the piano, and can be driven to move when the cover plate falls, and because the distance between the gas springs and the side wall of the piano is narrow, the probability that a user or a hand of a bystander is clamped between gaps of the gas springs is existed, and a certain potential safety hazard is caused, so that a buffering protection device of the piano cover is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present application proposes a cushioning protection device for a piano lid to improve the above problems.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a buffer protection device of piano lid, includes the piano body, the front of piano body is provided with the key platform, and the bottom fixedly connected with supporting leg of key platform, the top of key platform is provided with the piano button, the top of key platform is glued to have the piano lid that is located piano button top, the equal fixedly connected with drive link in the left and right sides of piano lid bottom, the installation storehouse has all been seted up to the left and right sides of piano body, key platform, and the inside fixed mounting in installation storehouse has hydraulic buffer rod, drive sleeve, registration arm, drive link can move at the inside of registration arm under the drive of piano lid, the detachable sealed apron of installing the tip in storehouse.

Preferably, the one end that the musical instrument lid is close to the piano body is provided with the rotation axis, the musical instrument lid passes through rotation axis movable mounting at the key-board top, the week side of musical instrument lid bottom is glued and is had rubber buffer.

Preferably, the whole transmission connecting rod is arc-shaped, and the circle center of the transmission connecting rod is located on the central axis of the rotating shaft at one end of the piano cover.

Preferably, the bottom fixedly connected with first sealed piston of transmission connecting rod, the constant head tank with first sealed piston, transmission connecting rod complex is seted up to the inside of registration arm, and the inside packing of constant head tank has hydraulic oil.

Preferably, one end of the positioning pipe is fixedly communicated with a transmission sleeve, and the transmission sleeve and the hydraulic buffer rod are positioned on the same central axis.

Preferably, a second sealing piston is fixedly connected to an output shaft of the hydraulic buffer rod, and the output shaft of the hydraulic buffer rod can drive the second sealing piston to move in the transmission sleeve.

The application provides a pair of buffering protection device of piano lid possesses following beneficial effect:

1. this buffering protection device of piano lid, through setting up hydraulic buffer rod, transmission sleeve, registration arm isotructure, drive the transmission connecting rod when the piano lid falls, first sealing piston is at the inside removal of registration arm, through the inside hydraulic oil transmission pressure of registration arm, promote the output shaft of hydraulic buffer rod and remove, guarantee that hydraulic buffer rod can cushion the piano lid whereabouts, embed hydraulic buffer rod isotructure in the installation storehouse simultaneously, the accessible is sealed to be lapped and is sealed the installation storehouse, when guaranteeing to cushion the effect, the aesthetic property has been improved.

2. This buffering protection device of piano lid through with hydraulic buffer rod, drive sleeve pipe, registration arm isotructure built-in the installation storehouse, only drives the transmission connecting rod and removes when the piano lid whereabouts, avoids the buffer structure peripheral hardware to bring the potential safety hazard to user or other visitor.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are 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 to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic diagram showing an embodiment of the present application after an integral combination is proposed;

FIG. 2 is a schematic view of the open lid of the musical instrument according to the embodiment of the present application;

FIG. 3 shows a schematic view of the interior of a proposed installation cartridge in an embodiment of the present application;

FIG. 4 shows a schematic diagram of a section of a drive sleeve and a positioning tube according to an embodiment of the present application.

In the figure: 1. a piano body; 2. a key pad; 3. supporting legs; 4. a piano key; 5. a piano cover; 6. a rubber cushion pad; 7. installing a bin; 8. sealing the cover plate; 9. a hydraulic buffer rod; 10. a drive sleeve; 11. a positioning tube; 12. a transmission connecting rod; 13. a first sealing piston; 14. a second sealing piston.

Detailed Description

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 a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

Referring to fig. 1, the present invention provides a technical solution: a buffering protection device of a piano cover comprises a piano body 1, a key board 2 is arranged on the front side of the piano body 1, supporting legs 3 are fixedly connected with the bottom of the key board 2, piano keys 4 are arranged on the top of the key board 2, a piano cover 5 positioned on the tops of the piano keys 4 is glued on the top of the key board 2, transmission connecting rods 12 are fixedly connected with the left side and the right side of the bottom of the piano cover 5, structures such as hydraulic buffer rods 9 are embedded in an installation bin 7, the installation bin 7 can be sealed through a sealing cover plate 8, the appearance is improved while the buffering effect is ensured, the installation bin 7 is arranged on the left side and the right side of the piano body 1 and the key board 2, the hydraulic buffer rods 9, transmission sleeves 10 and a positioning tube 11 are fixedly arranged inside the installation bin 7, with hydraulic buffer rod 9, drive sleeve 10, structure such as registration arm 11 is built-in installation storehouse 7, only drive transmission connecting rod 12 and remove when musical instrument lid 5 falls, avoid buffer structure peripheral hardware to bring the potential safety hazard to user or other viewers, transmission connecting rod 12 can move inside registration arm 11 under musical instrument lid 5 drives, drive transmission connecting rod 12 when musical instrument lid 5 falls, first sealing piston 13 removes inside registration arm 11, through the inside hydraulic oil transfer pressure of registration arm 11, make hydraulic buffer rod 9 can cushion musical instrument lid 5 whereabouts, the detachable sealed apron 8 of installing the tip in storehouse 7, sealed apron 8 passes through the mounting screw at the installation storehouse 7 tip, be convenient for dismantle sealed apron 8, improve the aesthetic property simultaneously.

Referring to fig. 2, a rotating shaft is provided at one end of the piano lid 5 close to the piano body 1, the piano lid 5 is movably mounted on the top of the key bed 2 through the rotating shaft, a rubber cushion pad 6 is glued to the periphery of the bottom of the piano lid 5, the piano lid 5 is buffered again through the rubber cushion pad 6, and the piano lid 5 is prevented from directly striking the key bed 2 and being damaged.

Referring to fig. 3 and 4, the transmission link 12 is arc-shaped as a whole, the center of the transmission link 12 is located on the central axis of the rotation axis at one end of the piano lid 5, so as to ensure that the lid 5 can drive the transmission link 12 to move inside the positioning tube 11 when rotating around the rotation axis, thereby avoiding the transmission link 12 from interfering with the rotation of the lid 5, the bottom end of the transmission link 12 is fixedly connected with the first sealing piston 13, the positioning tube 11 is provided with positioning grooves matching with the first sealing piston 13 and the transmission link 12, the transmission link 12 and the first sealing piston 13 can be positioned by the positioning grooves, so as to ensure the stability when moving, and simultaneously ensure that the hydraulic buffer rod 9 can buffer the lid 5, and the positioning grooves are filled with hydraulic oil, so that power can be transmitted by the hydraulic oil, when the first sealing piston 13 moves, can promote the output shaft of second sealed piston 14 and hydraulic buffer pole 9 and remove, the fixed intercommunication of one end of registration arm 11 has transmission sleeve 10, transmission sleeve 10 is in same axis with hydraulic buffer pole 9, guarantee that the output shaft of hydraulic buffer pole 9 can move in transmission sleeve 10 is inside, make hydraulic buffer pole 9 can cushion when musical instrument lid 5 whereabouts, fixedly connected with second sealed piston 14 on the output shaft of hydraulic buffer pole 9, through setting up second sealed piston 14, hydraulic oil promotes second sealed piston 14 and removes, can transmit power, the output shaft of hydraulic buffer pole 9 can drive second sealed piston 14 and move in transmission sleeve 10 is inside, through install second sealed piston 14 additional on hydraulic buffer pole 9 output shaft, accessible second sealed piston 14 seals the transmission sleeve 10 inner wall, prevent that hydraulic oil from leaking.

In conclusion, the buffering protection device for the piano cover provided by the application is used, when the piano cover 5 falls, the piano cover 5 drives the two groups of transmission connecting rods 12 on the left side and the right side to move, the transmission connecting rods 12 drive the first sealing pistons 13 at the end parts to move inside the positioning pipes 11, the first sealing pistons 13 push hydraulic oil inside the positioning pipes 11 to move, so that the output shafts of the hydraulic buffering rods 9 are pushed to contract, the falling of the piano cover 5 is buffered through the hydraulic buffering rods 9, meanwhile, the piano cover 5 is buffered again through the rubber buffering pads 6, the piano cover 5 is prevented from being directly impacted and damaged by the key platform 2, structures such as the hydraulic buffering rods 9, the transmission sleeves 10 and the positioning pipes 11 are built in the mounting bin 7, the mounting bin 7 is sealed through the sealing cover plate 8, and the sealing performance is improved, namely.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 buffering protection device of piano lid, includes piano body (1), the front of piano body (1) is provided with button platform (2), and the bottom fixedly connected with supporting leg (3) of button platform (2), the top of button platform (2) is provided with piano button (4), its characterized in that: the top of key platform (2) is glued and is connected with musical instrument lid (5) that are located piano button (4) top, equal fixedly connected with drive link (12) in the left and right sides of musical instrument lid (5) bottom, install bin (7) have all been seted up to the left and right sides of piano body (1), key platform (2), and the inside fixed mounting in installation bin (7) has hydraulic buffer pole (9), drive sleeve pipe (10), registration arm (11), drive link (12) can be at registration arm (11) inside removal under musical instrument lid (5) drives, sealed apron (8) are installed to the tip detachable of installation bin (7).

2. A buffer protection device for a piano cover according to claim 1, wherein: the one end that musical instrument lid (5) are close to piano body (1) is provided with the rotation axis, musical instrument lid (5) are through rotation axis movable mounting at button platform (2) top, the week side of musical instrument lid (5) bottom is glued and is had rubber buffer (6).

3. A buffer protection device for a piano cover according to claim 2, wherein: the whole transmission connecting rod (12) is arc-shaped, and the circle center of the transmission connecting rod (12) is located on the central axis of the rotating shaft at one end of the piano cover (5).

4. A piano lid cushioning protection device according to claim 3, wherein: the bottom fixedly connected with first sealed piston (13) of transmission connecting rod (12), the constant head tank with first sealed piston (13), transmission connecting rod (12) complex is seted up to the inside of registration arm (11), and the inside packing of constant head tank has hydraulic oil.

5. A buffer protection device for a piano cover according to claim 1, wherein: one end of the positioning pipe (11) is fixedly communicated with a transmission sleeve (10), and the transmission sleeve (10) and the hydraulic buffer rod (9) are positioned on the same central axis.

6. A buffer protection device for a piano cover according to claim 1, wherein: the output shaft of the hydraulic buffer rod (9) is fixedly connected with a second sealing piston (14), and the output shaft of the hydraulic buffer rod (9) can drive the second sealing piston (14) to move in the transmission sleeve (10).