CN216435447U

CN216435447U - Piano apron slowly falls mechanism

Info

Publication number: CN216435447U
Application number: CN202023280621.XU
Authority: CN
Inventors: 吴金全; 朱勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2022-05-03
Anticipated expiration: 2030-12-30

Abstract

The utility model provides a piano apron slowly falls mechanism, which comprises an installation support, buffer bar group and buffering subassembly, buffer bar group, the buffering subassembly is installed respectively on the installing support, buffer bar group is connected with the buffering subassembly, the piano apron is being covered and is established the in-process and buffer bar group contact, cushion buffer bar group through the buffering subassembly, make buffer bar group rotate slowly, thereby make the piano apron slowly fall, this slowly falls mechanism's rational in infrastructure, low in production cost, and this slowly falls mechanism's simple to operate, and be fit for the piano of arbitrary structure.

Description

Piano apron slowly falls mechanism

Technical Field

The utility model belongs to the field of slow descending mechanisms, and particularly relates to a slow descending mechanism for a piano cover plate.

Background

The piano is a music weight, the key cover plate is large in size and heavy in weight, certain force is provided in opening and closing, support with certain force is required, particularly, the cover plate is downward in the gravity in the closing process, great impact force is provided, finger injury accidents can be caused carelessly, the piano is easy to damage due to impact shock, and therefore the key cover plate is provided with the descent control device in the closing process. The existing key cover plate descent control device is various in variety, hydraulic, air spring, linear cylinder and rotary, but is difficult to meet the ideal requirements of people on attractive appearance and practical and reliable quality.

Disclosure of Invention

Aiming at the defects, the utility model aims to provide a piano cover plate slow-falling mechanism which is attractive in appearance, reasonable in structure and convenient to install and does not influence the overall structure of a piano.

In order to solve the technical problems, the utility model adopts the technical scheme that,

the utility model provides a piano apron slowly falls mechanism, includes installing support, buffer bar group and buffering subassembly, and buffer bar group, buffering subassembly are installed respectively on the installing support, and buffer bar group is connected with the buffering subassembly.

Furthermore, the buffer assembly comprises a damper and a mounting plate, the damper is fixedly mounted on the mounting bracket through the mounting plate, and the buffer rod group is fixedly connected with the damper.

Furthermore, the damper is sleeved with a return spring, one end of the return spring is fixedly connected with the damper, and the other end of the return spring is fixedly connected with the buffer rod group.

Further, the buffer rod group comprises a damping rod, a connecting rod and a slow-descending rod, the damping rod is fixedly connected with the buffer assembly, the slow-descending rod is connected with the damping rod through the connecting rod, and the slow-descending rod is rotatably installed on the installation support.

Furthermore, a rotating support is fixedly installed on the installing support, and the slow descending rod is rotatably connected with the rotating support.

Further, the rotating support comprises support legs, connecting rods and limiting rings, the support legs are fixedly installed on the installing support, the connecting rods are fixedly connected between the adjacent support legs, the slow descending rods are rotatably installed on the connecting rods, and the limiting rings are sleeved on the connecting rods.

Further, the lower end portion of the slow descending rod is provided with a connecting groove in an excavating mode, the connecting rod is installed in the connecting groove in a rotating mode, the upper end portion of the slow descending rod is provided with a mounting groove in an excavating mode, and a guide piece is installed in the mounting groove.

Furthermore, a guide groove is dug in the side wall of the guide piece.

Further, the mounting support comprises support rods and support connecting rods, the adjacent support rods are fixedly connected through the support connecting rods, and support mounting holes are formed in the support rods in an excavating mode.

Furthermore, the buffering assembly is fixedly installed on the support rod on one side, the support connecting rod is provided with an adjusting hole in an excavating mode, and the adjusting screw rod is installed in the adjusting hole in a rotating mode.

The slow-descending mechanism has the beneficial effects that the piano cover plate is contacted with the buffer rod group in the covering process, the buffer rod group is buffered through the buffer assembly, so that the buffer rod group rotates slowly, and the piano cover plate slowly descends.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic structural view of the present invention with the mounting bracket hidden.

Fig. 3 is a schematic structural diagram of the present invention after the cover plate is installed.

Reference numerals: installing support 1, buffer beam group 2, buffering subassembly 3, attenuator 4, mounting panel 5, reset spring 6, damping rod 7, connecting rod 8, slow descending rod 9, rotating support 10, stabilizer blade 11, connecting rod 12, spacing collar 13, spread groove 14, mounting groove 15, guide 16, guide way 17, cradling piece 18, support connecting rod 19, support mounting hole 20, regulation hole 21, adjusting screw 22, stabilizer blade screw 22, apron 23, slow descending rod through-hole 24.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

The utility model provides a piano apron slowly falls mechanism, including installing support 1, buffer bar group 2 and buffering subassembly 3, buffer bar group 2, buffering subassembly 3 is installed respectively on installing support 1, buffer bar group 2 is connected with buffering subassembly 3, the piano apron is covering the in-process and is organized 2 contacts with buffer bar, buffer bar group 2 is cushioned through buffering subassembly 3, make buffer bar group 2 rotate slowly, thereby make the piano apron slowly fall, this slowly fall mechanism's is rational in infrastructure, low in production cost, and this slowly falls mechanism's simple to operate, and be fit for the piano of arbitrary structure.

The buffer assembly 3 comprises a damper 4 and a mounting plate 5, the damper 4 is fixedly mounted on the mounting bracket 1 through the mounting plate 5, the buffer rod group 2 is fixedly connected with the damper 4, preferably, the damper 4 adopts a rotary damper, and the buffer rod group 2 is fixedly connected with a rotating shaft of the rotary damper.

4 overcoat of attenuator is equipped with reset spring 6, and is preferred, and reset spring 6 cover is established on rotary damper's rotation axis, and reset spring 6's one end and 4 fixed connection of attenuator, reset spring 6's the other end and buffer lever group 2 fixed connection, when the piano apron turned over, reset buffer lever group 2 through reset spring 6 for this slowly falls the mechanism and remains effectual state throughout.

Buffer lever group 2 includes damping rod 7, connecting rod 8 and slowly falls pole 9, damping rod 7 and 4 fixed connection of attenuator in the buffering subassembly 3, slowly fall pole 9 and pass through connecting rod 8 and be connected with damping rod 7, slowly fall pole 9 and rotate and install on installing support 1, slowly fall pole 9 and rotate, drive connecting rod 8 removes, thereby drive damping rod 7 rotates, carry out the damping through the rotation of attenuator 4 to damping rod 7, reduce the rotational speed of damping rod 7, thereby slowly fall the piano apron.

The installing support 1 is fixedly provided with a rotating support 10, the descent control rod 9 is rotatably connected with the rotating support 10, and the descent control rod 9 is convenient to rotate under the pressure by the rotation of the rotating support 10.

Rotating bracket 10 includes stabilizer blade 11, connecting rod 12 and spacing collar 13, stabilizer blade 11 fixed mounting is on installing support 1, fixedly connected with connecting rod 12 between the adjacent stabilizer blade 11, slow descending rod 9 rotates and installs on connecting rod 12, spacing collar 13 is established on connecting rod 12, preferably, spacing collar 13 is all installed to the both sides of slow descending rod 9, setting through spacing collar 13, be convenient for carry on spacingly to the relative position of slow descending rod 9, make slow descending rod 9 correspond the same contact surface of piano apron all the time.

Slowly fall pole 9 lower extreme tip and dig and be equipped with spread groove 14, connecting rod 8 rotates and installs in spread groove 14, and the upper end tip of slowly falling pole 9 digs and is equipped with mounting groove 15, installs guide 16 in mounting groove 15, through the setting of guide 16, is convenient for prevent slowly falling pole 9 and takes place wearing and tearing, improves the life who slowly falls pole 9.

In some preferred forms, guide 16 is rotatably or fixedly mounted within mounting slot 15.

Dig on the lateral wall of guide 16 and be equipped with guide way 17, through the setting of guide way 17, be convenient for lead the rotation of slowly falling pole 9, preferably, install the gib block on the contact surface of piano apron, gib block and guide way 17 looks adaptation.

The mounting bracket 1 comprises bracket rods 18 and bracket connecting rods 19, the adjacent bracket rods 18 are fixedly connected through the bracket connecting rods 19, bracket mounting holes 20 are dug in the bracket rods 18, and the mounting bracket 1 is fixedly mounted through the bracket mounting holes 20.

Buffering subassembly 3 passes through mounting panel 5 fixed mounting on the cradling piece 18 of one side, digs on support connecting rod 19 and is equipped with adjusting hole 21, and adjusting screw 22 is installed to the internal rotation of adjusting hole 21, and adjusting screw 22 and the tip looks adaptation of slowly falling pole 9 adjust the relative angle of slowly falling pole 9 under the piano apron open mode through adjusting screw 22 on the one hand, and on the other hand restricts slowly falling pole 9's turned angle through adjusting screw 22.

In some preferred modes, a supporting leg screw hole 22 is dug in the supporting leg 11, a cover plate 23 is fixedly mounted on the supporting leg 11, a slow-falling rod through hole 24 is dug in the cover plate 23, the slow-falling rod extends out of the cover plate 23 through the slow-falling through hole 24, preferably, the device is located below the cover plate 23 and is mounted inside a piano, and the slow-falling rod 9 extends out of the end face of a piano key.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Although the terms corresponding to the reference numerals in the figures are used more herein, the possibility of using other terms is not excluded; these terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. The utility model provides a piano apron slowly falls mechanism which characterized in that, includes installing support (1), buffer lever group (2) and buffer unit (3), and buffer lever group (2), buffer unit (3) are installed respectively on installing support (1), and buffer lever group (2) are connected with buffer unit (3).

2. A slow descending mechanism for piano lid plate according to claim 1, wherein the buffer assembly (3) comprises a damper (4) and a mounting plate (5), the damper (4) is fixedly mounted on the mounting bracket (1) through the mounting plate (5), and the buffer rod group (2) is fixedly connected with the damper (4).

3. The slow descending mechanism for the piano cover plate of claim 2, wherein a return spring (6) is sleeved outside the damper (4), one end of the return spring (6) is fixedly connected with the damper (4), and the other end of the return spring (6) is fixedly connected with the buffer rod set (2).

4. The piano cover plate slow-falling mechanism is characterized in that the buffer rod group (2) comprises a damping rod (7), a connecting rod (8) and a slow-falling rod (9), the damping rod (7) is fixedly connected with the buffer component (3), the slow-falling rod (9) is connected with the damping rod (7) through the connecting rod (8), and the slow-falling rod (9) is rotatably installed on the mounting bracket (1).

5. A slow descending mechanism for piano lid plate according to claim 4, wherein the mounting bracket (1) is fixedly provided with a rotating bracket (10), and the slow descending rod (9) is rotatably connected with the rotating bracket (10).

6. The piano cover plate slow-falling mechanism is characterized in that the rotating support (10) comprises support legs (11), connecting rods (12) and limiting rings (13), the support legs (11) are fixedly installed on the mounting support (1), the connecting rods (12) are fixedly connected between the adjacent support legs (11), the slow-falling rods (9) are rotatably installed on the connecting rods (12), and the limiting rings (13) are sleeved on the connecting rods (12).

7. A slow descending mechanism for piano lid plate according to claim 5, wherein the slow descending rod (9) is provided with a connecting groove (14) dug at its lower end, the connecting rod (8) is rotatably installed in the connecting groove (14), the slow descending rod (9) is provided with a mounting groove (15) dug at its upper end, and a guide member (16) is installed in the mounting groove (15).

8. A slow lowering mechanism for a piano lid plate according to claim 7, wherein the guide groove (17) is dug in the side wall of the guide (16).

9. The piano cover plate slow descending mechanism is characterized in that the mounting bracket (1) comprises bracket rods (18) and bracket connecting rods (19), the adjacent bracket rods (18) are fixedly connected through the bracket connecting rods (19), and bracket mounting holes (20) are formed in the bracket rods (18) in a digging mode.

10. The slow descending mechanism for the piano lid plate of claim 9, wherein the buffer assembly (3) is fixedly installed on the bracket rod (18) on one side, an adjusting hole (21) is dug on the bracket connecting rod (19), and an adjusting screw rod (22) is rotatably installed in the adjusting hole (21).