CN211044998U - Piano keyboard with variable sinking depth - Google Patents

Abstract

The utility model discloses a piano keyboard of variable sinking depth, comprising a base plate, be equipped with keyboard tray and supporting shoe on the bottom plate, an adjusting screw is all twisted into to the bottom of keyboard tray and supporting shoe, keyboard tray and supporting shoe are all fixed on the bottom plate through fixed screw, rotate the connection key pole on the supporting shoe. This piano keyboard of variable depth of sinking through adjusting screw, makes the key pole depth of sinking adjust easily, and the keyboard frame also makes level easily in the installation, adapts to different people's the sensation of playing, and is very practical, convenient.

Description

Piano keyboard with variable sinking depth

Technical Field

The utility model belongs to the technical field of the piano keyboard, concretely relates to piano keyboard of variable depth of sinking.

Background

At present, a piano keyboard is characterized in that a key rod is sleeved on a balance pin of a keyboard frame to perform lever motion, the sinking depth is generally determined when being adjusted, and the sinking depth is generally about 10 millimeters. During adjustment, the lower paper washer and the lower paper washer are used, and fine adjustment of the sinking depth consistency of 88 key rods of a keyboard is realized by placing or taking off the paper washers. The piano is used because everyone feels that the sinking depth is different, so that each adjustment of 88 keys is troublesome.

In addition, when the keyboard frame is installed, the base plate or the keyboard frame is required to be leveled due to the fact that the base plate or the keyboard frame is uneven, and the installation is complicated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a piano keyboard of variable depth of sinking to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the piano keyboard with the variable sinking depth comprises a bottom plate, wherein a keyboard frame and a supporting block are arranged on the bottom plate, an adjusting screw is screwed into the bottoms of the keyboard frame and the supporting block, the keyboard frame and the supporting block are fixed on the bottom plate through fixing screws, and a key rod is rotatably connected onto the supporting block.

Preferably, the keyboard tray and the supporting block are both provided with two fixing screws, and the two fixing screws are arranged on two sides of the adjusting screw.

The utility model discloses a technological effect and advantage: this piano keyboard of variable depth of sinking through adjusting screw, makes the key pole depth of sinking adjust easily, and the keyboard frame also makes level easily in the installation, adapts to different people's the sensation of playing, and is very practical, convenient.

Drawings

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

In the figure: 1. a base plate; 2. a keyboard frame; 3. a key lever; 4. fixing screws; 5. a support block; 6. and adjusting screws.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a piano keyboard of variable sinking depth as shown in fig. 1, comprising a base plate 1, be equipped with keyboard tray 2 and supporting shoe 5 on the bottom plate 1, an adjusting screw 6 is all twisted into to the bottom of keyboard tray 2 and supporting shoe 5, keyboard tray 2 and supporting shoe 5 all fix on bottom plate 1 through fixed screw 4, rotate connection key pole 3 on the supporting shoe 5.

Specifically, the keyboard tray 2 and the supporting block 5 are both provided with two fixing screws 4, and the two fixing screws 4 are arranged on two sides of the adjusting screw 6.

Through adjusting screw 6, make the sunk depth of key pole 3 adjust easily, and keyboard tray 2 also levels easily in the installation, adapts to different people's the sensation of playing, and is very practical, convenient, adjusts rotatory adjusting screw 6, selects suitable use length, then screws up fixed screw 4 can.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (2)

1. The utility model provides a piano keyboard of variable sinking depth, includes bottom plate (1), its characterized in that: the keyboard frame is characterized in that a keyboard frame (2) and a supporting block (5) are arranged on the bottom plate (1), an adjusting screw (6) is screwed into the bottoms of the keyboard frame (2) and the supporting block (5), the keyboard frame (2) and the supporting block (5) are fixed on the bottom plate (1) through fixing screws (4), and the supporting block (5) is rotatably connected with a key rod (3).

2. A variable depression depth piano keyboard according to claim 1, wherein: the keyboard tray (2) and the supporting block (5) are respectively provided with two fixing screws (4), and the two fixing screws (4) are arranged on two sides of the adjusting screw (6).

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