CN218447186U

CN218447186U - Piano footboard convenient to installation is changed

Info

Publication number: CN218447186U
Application number: CN202222810681.0U
Authority: CN
Inventors: 金亦成
Original assignee: Zhejiang Yueyun Piano Co ltd
Current assignee: Zhejiang Yueyun Piano Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-02-03
Anticipated expiration: 2032-10-25

Abstract

The utility model belongs to the technical field of the piano footboard technique and specifically relates to a piano footboard convenient to installation is changed, including piano footboard base and ejector pin, piano footboard support is installed to the bottom of piano footboard base, piano footboard support's inside recess and lug looks joint, the bottom of lug links to each other with the piano footboard main part is fixed, the both sides top of piano footboard main part links to each other with the piano footboard fixture block is fixed, the inside of lug is equipped with the installation and changes the device. Through at first the user upwards pressing the L shape pole and removing, L shape pole drives both sides connecting rod and rotates, and the connecting rod of both sides drives the inserted block and inwards moves, and the inserted block drives the slider and slides along the bottom spout of lug, drives the compression of second spring simultaneously, and L shape pole drives the compression of first spring, has replaced the fixed mode of original bolt for the installation of piano footboard is more convenient, has improved the installation effectiveness of piano footboard.

Description

Piano footboard convenient to installation is changed

Technical Field

The utility model relates to a piano footboard technical field specifically is a piano footboard convenient to installation is changed.

Background

Upright pianos typically have three pedals, namely: a middle pedal, a left pedal and a right pedal. The middle pedal has the function of weakening sound, and the pedal is frequently turned down during family practice of music, so that the influence on four neighbors is avoided.

However, in the existing piano, the piano pedal is easily damaged due to the fact that a user treads the piano pedal for a long time, so the piano pedal may need to be replaced according to actual conditions, however, the existing piano pedal needs to be fixed firmly and positioned accurately, a bolt fixing method is usually adopted, the piano pedal is directly fixed on a piano pedal support, the bolt needs to be screwed by workers in the fixing mode, when the piano pedal is replaced, the bolts need to be continuously screwed by the workers, the operation is complicated, the workload is large, meanwhile, the bolts are manually screwed, and only one screw distance is displaced when the bolts rotate for one circle, so that the time required by the installation process of the piano pedal is long, and the installation efficiency of the piano pedal is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the operation is comparatively loaded down with trivial details is changed in the installation that prior art is in, and the piano footboard of being convenient for install and change that provides.

In order to achieve the above object, the utility model provides a following technical scheme:

the design one kind is convenient for install the piano footboard of changing, including piano footboard base and ejector pin, piano footboard support is installed to the bottom of piano footboard base, piano footboard support's inside recess and lug looks joint, the bottom of lug links to each other with the piano footboard main part is fixed, the both sides top of piano footboard main part links to each other with the piano footboard fixture block is fixed, the inside of lug is equipped with the installation and changes the device.

Preferably, the installation and replacement device comprises a sliding block, the outer wall of the sliding block is connected with the bottom of the lug in a sliding mode, the top end of the sliding block is fixedly connected with the inserting block, the inner side of the inserting block is connected with the connecting rod in a rotating mode through a pin shaft, the inner end of the connecting rod is connected with the L-shaped rod in a rotating mode through the pin shaft, the top end of the L-shaped rod is fixedly connected with one ends of the first springs, the other ends of the first springs are fixedly connected with the lug, and the inner end of the sliding block is fixedly connected with the outer end of the second spring.

Preferably, the bottom of the L-shaped rod is connected with the limiting rod in a sliding mode, and a round ball is machined at the right end of the L-shaped rod.

Preferably, it is a plurality of the outer end and the piano footboard support looks joint of inserted block, it is a plurality of the inner of second spring all links to each other with the lug is fixed.

Preferably, the internally mounted of piano footboard base has the ejector pin, the recess and the gag lever post of piano footboard main part are fixed continuous.

The utility model provides a pair of piano footboard convenient to installation is changed, beneficial effect lies in: move through at first user upwards pressing down L shape pole, L shape pole drives both sides connecting rod and rotates, the connecting rod of both sides drives the inserted block inward movement, the inserted block drives the slider and slides along the bottom spout of lug, drive the compression of second spring simultaneously, L shape pole drives the compression of first spring, make the inserted block relieve the joint with the recess of piano pedal support, dismantle the piano pedal main part through the lug afterwards, insert the piano support through the lug with new piano pedal main part on the same principle, then loosen L shape pole, L shape pole receives the influence of first spring and makes L shape pole reset, the inserted block receives the elasticity influence of second spring simultaneously and makes inserted block and piano pedal support looks joint, the fixed mode of original bolt has been replaced, make the installation of piano pedal more convenient, the installation effectiveness of piano pedal has been improved.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the structure A in FIG. 1;

FIG. 3 is a schematic top view of the structure of FIG. 1;

fig. 4 is a schematic structural diagram of B in fig. 3.

In the figure: 1. the piano pedal comprises a piano pedal base, 2, ejector rods, 3, a piano pedal support, 4, an installation and replacement structure, 4a1, a sliding block, 4a2, a first spring, 4a3, an inserting block, 4a4, an L-shaped rod, 4a5, a second spring, 4a6, a connecting rod, 4b1, a guide block, 5, a piano pedal clamping block, 6, a piano pedal main body, 7, a limiting rod, 8 and a lug.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

example 1:

referring to figures 1-4: in this embodiment, a piano footboard convenient to installation is changed, including piano footboard base 1 and ejector pin 2, piano footboard support 3 is installed to piano footboard base 1's bottom, the inside recess and the 8 looks joints of lug of piano footboard support 3, the bottom of lug 8 links to each other with piano footboard main part 6 is fixed, the both sides top of piano footboard main part 6 links to each other with piano footboard fixture block 5 is fixed, the inside of lug 8 is equipped with the installation and changes device 4, the fixed mode of original bolt has been replaced, make the installation of piano footboard more convenient, the installation effectiveness of piano footboard has been improved.

The installation and replacement device 4 comprises a slide block 4a1, the outer wall of the slide block 4a1 is connected with the bottom of a convex block 8 in a sliding way, the top end of the slide block 4a1 is fixedly connected with an insert block 4a3, the inner side of the insert block 4a3 is rotationally connected with a connecting rod 4a6 through a pin shaft, the inner ends of a plurality of connecting rods 4a6 are rotationally connected with an L-shaped rod 4a4 through a pin shaft, the elastic coefficients of a first spring 4a2 and a second spring 4a5 can be subjected to pin shaft according to practical conditions, the top end of the L-shaped rod 4a4 is fixedly connected with one end of a plurality of first springs 4a2, the other end of the first spring 4a2 is fixedly connected with the convex block 8, the inner end of the slide block 4a1 is fixedly connected with the outer end of the second spring 4a5, the bottom of the L-shaped rod 4a4 is connected with a limiting rod 7 in a sliding mode, a ball is processed at the right end of the L-shaped rod 4a4, a user can press the L-shaped rod 4a4 conveniently, the L-shaped rod 4a4 drives the connecting rods 4a6 at two sides to rotate, the connecting rods 4a6 at two sides drive the inserting blocks 4a3 to move, the inserting blocks 4a3 drive the sliding blocks 4a1 to slide along the bottom sliding grooves of the protruding blocks 8, meanwhile, the second springs 4a5 are driven to compress, the L-shaped rod 4a4 drives the first springs 4a2 to compress, the outer ends of the inserting blocks 4a3 are clamped with the piano pedal support 3, the inner ends of the second springs 4a5 are fixedly connected with the protruding blocks 8, ejector rods 2 are mounted inside the piano pedal base 1, and the groove of the piano pedal body 6 is fixedly connected with the limiting rod 7;

firstly, a user presses the L-shaped rod 4a4 upwards to move, the L-shaped rod 4a4 drives the connecting rods 4a6 on two sides to rotate, the connecting rods 4a6 on two sides drive the inserting blocks 4a3 to move inwards, the inserting blocks 4a3 drive the sliding blocks 4a1 to slide along the bottom sliding grooves of the protruding blocks 8, meanwhile, the second springs 4a5 are driven to compress, the L-shaped rods 4a4 drive the first springs 4a2 to compress, the inserting blocks 4a3 are unlocked with the grooves of the piano pedal supports 3, then, the piano pedal bodies 6 are detached through the protruding blocks 8, the new piano pedal bodies 6 are inserted into the piano pedal supports 3 through the protruding blocks 8, then, the L-shaped rods 4a4 are loosened, the L-shaped rods 4a4 are influenced by the first springs 4a2 to reset the L-shaped rods 4a4, meanwhile, the inserting blocks 4a3 are clamped with the piano pedal supports 3 under the influence of the elasticity of the second springs 4a5, the fixing mode of the original piano bolts is replaced, the installation mode of the pedals is more convenient, and the installation efficiency of the pedals is improved.

The working principle is as follows:

this piano footboard convenient to installation is changed when using, and the user dismantles piano footboard main part 6 on original piano footboard support 3, and concrete mode of operation is as follows:

firstly, a user presses the L-shaped rod 4a4 upwards to move, the L-shaped rod 4a4 drives the connecting rods 4a6 at two sides to rotate, the connecting rods 4a6 at two sides drive the inserting blocks 4a3 to move inwards, the inserting blocks 4a3 drive the sliding blocks 4a1 to slide along the bottom sliding grooves of the protruding blocks 8, meanwhile, the second springs 4a5 are driven to compress, the L-shaped rods 4a4 drive the first springs 4a2 to compress, the inserting blocks 4a3 are unlocked with the grooves of the piano pedal supports 3, then, the piano pedal bodies 6 are detached through the protruding blocks 8, the new piano pedal bodies 6 are inserted into the piano supports 3 through the protruding blocks 8, then, the L-shaped rods 4a4 are loosened, the L-shaped rods 4a4 are influenced by the first springs 4a2 to reset, meanwhile, the inserting blocks 4a3 are influenced by the elastic force of the second springs 4a5 to clamp the inserting blocks 4a3 with the piano pedal supports 3, the fixing mode of the original piano bolts is replaced, the installation of the pedals is more convenient, and the installation efficiency of the pedals is improved.

Example 2:

referring to figures 3 and 4: in this embodiment, a piano pedal convenient to install and replace, wherein the installation and replacement structure 4 may further include a guide block 4b1, an outer wall of the guide block 4b1 is slidably connected to a sliding groove of the protrusion 8 at the top, an inner end of the guide block 4b1 is fixedly connected to the L-shaped rod 4a4, and when the L-shaped rod 4a4 moves, the L-shaped rod 4a4 drives the guide block 4b1 to move along the sliding groove at the top of the protrusion 8, so as to guide the movement of the L-shaped rod 4a 4.

While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims

1. The utility model provides a piano footboard convenient to installation is changed, includes piano footboard base (1) and ejector pin (2), its characterized in that: piano footboard support (3) are installed to the bottom of piano footboard base (1), the inside recess and lug (8) looks joint of piano footboard support (3), the bottom and the piano footboard main part (6) of lug (8) are fixed continuous, the both sides top and the piano footboard fixture block (5) of piano footboard main part (6) are fixed continuous, the inside of lug (8) is equipped with installation change device (4).

2. A piano pedal for facilitating installation and replacement of a piano pedal according to claim 1, wherein: device (4) is changed in installation includes slider (4 a 1), the outer wall of slider (4 a 1) slides with the bottom of lug (8) and links to each other, the top and the inserted block (4 a 3) of slider (4 a 1) are fixed continuous, the inboard of inserted block (4 a 3) rotates with connecting rod (4 a 6) through the round pin axle and links to each other, and is a plurality of the inner of connecting rod (4 a 6) all rotates with L shape pole (4 a 4) through the round pin axle and links to each other, the top of L shape pole (4 a 4) is fixed continuous with the one end of a plurality of first springs (4 a 2), the other end and the lug (8) of first spring (4 a 2) are fixed continuous, the inner of slider (4 a 1) is fixed continuous with the outer end of second spring (4 a 5).

3. A piano pedal for facilitating installation and replacement as claimed in claim 2, wherein: the bottom of the L-shaped rod (4 a 4) is connected with the limiting rod (7) in a sliding mode, and a round ball is machined at the right end of the L-shaped rod (4 a 4).

4. A piano pedal for facilitating installation and replacement as claimed in claim 2, wherein: a plurality of the outer end of inserted block (4 a 3) and piano pedal support (3) looks joint, it is a plurality of the inner of second spring (4 a 5) all links to each other with lug (8) are fixed.

5. A piano pedal for facilitating installation and replacement of a piano pedal according to claim 1, wherein: the internally mounted of piano footboard base (1) has ejector pin (2), the recess and gag lever post (7) of piano footboard main part (6) are fixed continuous.