CN216871568U

CN216871568U - Hinge device for closing piano at uniform speed

Info

Publication number: CN216871568U
Application number: CN202122234854.4U
Authority: CN
Inventors: 彭岩
Original assignee: Individual
Current assignee: Liao Xianji
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-07-01
Anticipated expiration: 2031-09-15

Abstract

The utility model discloses a hinge device for closing a piano at a constant speed, which belongs to the technical field of pianos and comprises a piano and a piano cover, wherein the piano cover is rotatably arranged at the top of the piano, a constant-speed closing mechanism, a closing alarm mechanism and an alarm releasing mechanism are arranged inside the upper part of the piano, and the constant-speed closing mechanism comprises: slider A, lead screw slide rail, slider B, electric telescopic handle, the inside one side fixed mounting in piano top has the lead screw slide rail. According to the piano cover closing device, a worker controls the piano cover to be closed slowly through the lead screw slide rail and the electric telescopic rod, the labor force of the worker is reduced, the phenomenon that the piano cover is damaged due to falling off when the piano cover is closed and the hand of the worker is clamped is avoided, when the piano cover block is closed, the touch rod touches the touch switch to control the buzzer to give an alarm, the phenomenon that the surrounding people put the hand on the piano and are clamped by the piano cover is avoided, the crowd is effectively protected, and the occurrence of accidental dangerous accidents is avoided.

Description

Hinge device for closing piano at uniform speed

Technical Field

The utility model belongs to the technical field of pianos, and particularly relates to a hinge device for closing a piano at a constant speed.

Background

The piano is a keyboard instrument in Western classical music, and the piano can enhance the resonance of the piano by opening the cover when playing, and can make the emitted sound brighter, and the emitted sound is less stuffy than the sound emitted by opening the cover if the cover is not opened.

Traditional piano lid needs the people to take away the bracing piece when closed, then puts down the piano lid, and piano lid itself is heavier, and the in-process that the staff put down the piano lid takes off power easily and falls down the piano lid, and then leads to the fact the damage to the piano, and the piano lid that falls down still presss from both sides the injury with staff's hand easily, has increased the risk when the staff closes the piano lid, has threatened staff's personal safety.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problems, a hinge device for closing a piano at a constant speed is provided.

The technical scheme adopted by the utility model is as follows: the utility model provides a make piano at uniform velocity closed hinge device, includes piano, piano lid, the piano lid is installed in the piano top rotation, inside closing mechanism, the closure alarm mechanism and the alarm canceling mechanism at uniform velocity of being provided with in piano top.

Wherein, the constant speed closing mechanism includes: slider A, lead screw slide rail, slider B, electric telescopic handle A, the inside one side fixed mounting in piano top has the lead screw slide rail, the inside one side slidable mounting in piano top has slider B, slider B top fixed mounting has electric telescopic handle A, piano lid bottom slidable mounting has slider A.

Wherein the closed alarm mechanism comprises: mounting bracket, installation piece, touch board, silica gel pad, feeler lever, touch switch A, bee calling organ, the inside lead screw slide rail one side fixed mounting that is close to in piano top has the mounting bracket, the touch board is installed through spring elastic mounting to the mounting bracket top, touch board top fixed mounting has the silica gel pad, touch board bottom fixed mounting has the feeler lever, the inside slidable mounting of mounting bracket has the installation piece, installation piece top fixed mounting has touch switch A, the outside fixed mounting of piano has bee calling organ.

Wherein the alarm release mechanism comprises: the piano comprises a touch switch B and an electric telescopic rod B, wherein the touch switch B is fixedly installed inside the closed end of the top of the piano, and the electric telescopic rod B is fixedly installed inside the mounting rack.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. according to the utility model, the operator controls the piano cover to slowly close through the lead screw slide rail and the electric telescopic rod A, so that the labor force of the operator is reduced, and the piano damage and the hand clamping injury of the operator caused by falling off of the piano cover when the operator closes the piano cover are avoided.

2. According to the utility model, when the piano cover block is closed, the touch switch is touched through the touch rod to control the buzzer to give an alarm, so that the situation that surrounding people put hands on the piano and are clamped by the piano cover is avoided, the people are effectively protected, and the occurrence of accidental dangerous accidents is avoided.

Drawings

FIG. 1 is a schematic diagram of the front structure of the present invention;

FIG. 2 is a schematic diagram of a piano cover touching a touch plate structure according to the present invention;

fig. 3 is a schematic diagram of a closing structure of a piano lid in the present invention.

The labels in the figure are: 1. a piano; 2. a piano lid; 201. a slide block A; 3. a screw slide rail; 301. a slide block B; 302. An electric telescopic rod A; 4. a mounting frame; 401. mounting blocks; 5. a touch plate; 501. a silica gel pad; 502. a feeler lever; 6. a touch switch A; 601. a buzzer; 7. a touch switch B; 701. and an electric telescopic rod B.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.

In the utility model:

referring to fig. 1-3, a hinge device for closing a piano at a constant speed comprises a piano 1 and a piano cover 2, wherein the piano cover 2 is rotatably installed at the top of the piano 1, and a constant speed closing mechanism, a closing alarm mechanism and an alarm releasing mechanism are arranged inside the piano 1.

Referring to fig. 1 to 3, in the present embodiment, the constant speed closing mechanism includes: the sliding block A201, the screw rod sliding rail 3, the sliding block B301 and the electric telescopic rod A302;

inside one side fixed mounting in piano 1 top has lead screw slide rail 3, inside one side slidable mounting in piano 1 top has slider B301, wherein, slider B301 and 3 threaded connection of lead screw slide rail, slider B301 top fixed mounting has electric telescopic handle A302, 2 bottom slidable mounting in piano lid have slider A201, wherein, slider A201 rotates with electric telescopic handle A302 top to be connected, the staff starts lead screw slide rail 3 and drives slider B301 in 1 inside slip of piano through the screw thread, gliding in-process staff control electric telescopic handle A302 is inwards retracted, the in-process pulling slider A201 of electric telescopic handle A302 withdrawal slides in 2 bottoms in piano lid, and then drive piano lid 2 at the uniform velocity and carry out the closure.

Referring to fig. 1-3, in the present embodiment, the closed alarm mechanism includes: the touch screen comprises a mounting frame 4, a mounting block 401, a touch plate 5, a silica gel pad 501, a touch rod 502, a touch switch A6 and a buzzer 601;

inside lead screw slide rail 3 one side fixed mounting that is close to in piano 1 top has mounting bracket 4, there is touch board 5 in mounting bracket 4 top through spring elastic mounting, touch 5 top fixed mounting of board have silica gel pad 501, wherein, silica gel pad 501 and piano lid 2 touch setting, touch 5 bottom fixed mounting of board have feeler lever 502, can touch silica gel pad 501 in piano lid 2 closed in-process downwards, silica gel pad 501 has effectually avoided piano lid 2 to be collided with, the feeler lever 502 of 5 bottoms of in-process drive of silica gel pad 501 by the pushing down moves downwards.

Referring to fig. 1-3, in this embodiment, a mounting block 401 is slidably mounted inside a mounting frame 4, a touch switch a6 is fixedly mounted on the top of the mounting block 401, wherein the touch switch a6 is in contact with a touch rod 502, and a buzzer 601 is fixedly mounted outside a piano 1, wherein the buzzer 601 is in circuit series connection with a touch switch a6, when the touch rod 502 is pressed downward, the touch switch a6 is touched, and the touch switch a6 turns on the buzzer 601 to give an alarm, so as to prompt surrounding people to take their hands open, thereby preventing the hands from being pinched.

Referring to fig. 1 to 3, in the present embodiment, the alarm release mechanism includes: a touch switch B7 and an electric telescopic rod B701;

a touch switch B7 is fixedly installed inside the closed end of the top of the piano 1, the piano cover 2 is in touch arrangement with a touch switch B7, an electric telescopic rod B701 is fixedly installed inside the mounting rack 4, the electric telescopic rod B701 is in circuit series connection with a touch switch B7, the top of the electric telescopic rod B701 is fixedly connected with the mounting block 401, the piano cover 2 touches the touch switch B7 after being closed, and the touch switch B7 starts the electric telescopic rod B701 to retract so that the mounting block 401 descends.

In this embodiment, the lead screw slide rail 3, the electric telescopic rod a302, the touch switch a6, and the touch switch B7 are all electrically connected to an external power switch.

The working principle is as follows: firstly, a worker starts a screw rod slide rail 3 to drive a slide block B301 to slide in the piano 1 through threads, the worker controls an electric telescopic rod A302 to retract inwards in the sliding process, the slide block A201 is pulled to slide at the bottom of the piano cover 2 in the retracting process of the electric telescopic rod A302 to further drive the piano cover 2 to close at a constant speed, the piano cover 2 touches a silica gel pad 501 in the downward closing process, the silica gel pad 501 effectively avoids the piano cover 2 from being damaged, a touch rod 502 at the bottom of a touch plate 5 is firstly driven to press downwards in the downward pressing process of the silica gel pad 501, the touch rod 502 touches a touch switch A6 in the downward pressing process, the touch switch A6 opens a buzzer 601 to give an alarm to prompt surrounding people to take hands out of the piano 1 to prevent the hands from being damaged by the closed piano cover 2, the touch switch B7 is touched after the piano cover 2 is closed, the touch switch B7 starts the electric telescopic rod B701 to retract, the mounting block 401 is lowered so that the feeler lever 502 no longer touches the tact switch a6 to turn off the buzzer 601.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a make piano at uniform velocity closed hinge device, includes piano (1), piano lid (2), piano (1) top movable mounting has piano lid (2), its characterized in that: a constant-speed closing mechanism, a closing alarm mechanism and an alarm releasing mechanism are arranged inside the upper part of the piano (1);

the uniform closing mechanism comprises: the sliding block A (201), the screw rod sliding rail (3), the sliding block B (301) and the electric telescopic rod A (302);

a screw rod slide rail (3) is mounted on one side of the interior above the piano (1), a slide block B (301) is movably mounted on one side of the interior above the piano (1), an electric telescopic rod A (302) is mounted above the slide block B (301), and a slide block A (201) is movably mounted at the bottom of the piano cover (2);

the closed alarm mechanism includes: the touch screen comprises a mounting frame (4), a mounting block (401), a touch plate (5), a silica gel pad (501), a touch rod (502), a touch switch A (6) and a buzzer (601);

an installation frame (4) is installed on one side, close to the screw rod sliding rail (3), of the inner portion above the piano (1), a touch plate (5) is installed above the installation frame (4) through spring elasticity, a silica gel pad (501) is installed at the top of the touch plate (5), and a touch rod (502) is installed at the bottom of the touch plate (5);

the piano comprises a mounting rack (4), a mounting block (401) is movably mounted in the mounting rack (4), a touch switch A (6) is mounted at the top of the mounting block (401), and a buzzer (601) is mounted on the outer portion of the piano (1).

2. A hinge device for closing a piano at a constant speed as claimed in claim 1, wherein: the alarm release mechanism includes: a touch switch B (7) and an electric telescopic rod B (701);

piano (1) top closed end internally mounted has touch switch B (7), mounting bracket (4) internally mounted has electric telescopic handle B (701).