CN210324703U

CN210324703U - Piano hand type corrector

Info

Publication number: CN210324703U
Application number: CN201920890991.3U
Authority: CN
Inventors: 姜瑾文
Original assignee: Baoji University of Arts and Sciences
Current assignee: Baoji University of Arts and Sciences
Priority date: 2019-06-14
Filing date: 2019-06-14
Publication date: 2020-04-14
Anticipated expiration: 2029-06-14

Abstract

The utility model discloses a ware is corrected to piano hand type, including the gag lever post, the gag lever post sets up in the place ahead of piano button, the both sides of gag lever post all are equipped with a fixed block, an equal adhesion telescopic link on the back of fixed block, the telescopic link other end all is fixed in on the piano through the bolt, all be equipped with a spout on the opposite face of fixed block perpendicularly, the gag lever post both sides are just to the equal fixed mounting slider of spout department, the equal slidable mounting of slider one end is in corresponding spout, all be equipped with a screw hole on the bottom surface of fixed block, the slider bottom surface is just to a screw hole department equal embedded installation bearing, all weld a screw rod on the inner ring of bearing, screw rod one end all passes the screw hole and extends to the external world to an equal fixed mounting hand. The utility model discloses simple structure can be according to the length adjustment height that the user pointed for finger and wrist can be played with the posture of a comfortable and sign, have made things convenient for the beginner to confirm the correct piano and play the hand type.

Description

Piano hand type corrector

Technical Field

The utility model relates to a piano field, concretely relates to ware is corrected to piano hand type.

Background

Piano beginners, the hand type often relatively collapses, and the hand type is not good to play speed, tone quality control to have certain influence, and the stiff tone quality that pops out the sound of hand type is just "hard", and the music content of expressing graceful, releiving is difficult promptly, also can be because the stiff flexibility that influences the finger of hand type simultaneously, just also influences the speed of playing. The hand shape corrector can correct the hand shape to a certain extent when practicing music instruments.

The existing hand-shaped corrector adopts a rigid supporting rod to limit the height of a wrist, but the existing corrector is fixed and cannot adjust the height, the wrist of a beginner is different in age, the length of fingers is different, when a student with longer fingers exercises, the fingers are bent excessively due to the excessively low height of the corrector, and otherwise, when the student with longer fingers exercises, the degree of finger bending is not enough due to the excessively high height of the corrector.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a piano hand type corrector has solved the problem that the background art mentioned.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a hand-type corrector for piano is composed of a limiting rod in front of piano keys, a fixing block at both sides of limiting rod, a telescopic rod adhered to back of fixing block, a slide slot on opposite surface of fixing block, a slide block fixed to slide slot at both sides of limiting rod, and a slide block installed in slide slot, the sliding block and the sliding groove are both arranged in a dovetail shape and are matched with each other, the bottom surface of the fixed block is provided with a screw hole communicated with the sliding groove, the bottom surface of the sliding block is provided with a bearing in an embedded way opposite to the screw hole, the inner ring of the bearing is welded with a screw rod, one end of the screw rod passes through the screw hole and extends to the outside, and a handle is fixedly installed, and one section of the screw rod, which is positioned inside the screw hole, is in threaded connection with the screw hole.

As preferred technical scheme, the gag lever post is made by wooden material, all fixed mounting a sponge layer on the surface of gag lever post.

As the preferred technical scheme, the limiting rods and the piano keys are arranged in parallel.

As preferred technical scheme, the telescopic link comprises inner tube and outer tube, and in inner tube one end all inserted the outer tube, all through outside bolt locking fixation between inner tube and the outer tube.

The utility model discloses following beneficial effect has: the utility model discloses simple structure, convenient to use can be according to the length adjustment height of user's finger for finger and wrist can play with a comfortable and gesture of marking, have made things convenient for the beginner to confirm correct piano and play the hand type.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a top view of an embodiment of the present invention.

Detailed Description

In order to make the objects and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in figures 1 and 2, the embodiment of the utility model provides a piano hand-type corrector, which comprises a limiting rod 1, wherein the limiting rod 1 is arranged in front of the piano keys, the height of the limiting rod 1 is higher than that of the keys, both sides of the limiting rod 1 are respectively provided with a fixed block 5, the back surface of the fixed block 5 is respectively adhered with a telescopic rod, the other end of the telescopic rod is respectively fixed on the piano through bolts, the opposite surfaces of the fixed block 5 are respectively and vertically provided with a chute 4, both sides of the limiting rod 1 are respectively and fixedly provided with a slide block 6 opposite to the chute 4, the slide block and the limiting rod are arranged into an integral structure, one end of the slide block 6 is respectively and slidably arranged in the corresponding chute 4, the slide block 6 and the chute 4 are both arranged in a dovetail shape and are matched, the bottom surface of the fixed block 5 is respectively provided with a screw hole communicated with the chute 4, and the bottom surface of the slide block 6, all weld a screw rod 3 on the inner ring of bearing 8, screw hole extension to the external world is all passed to 3 one end of screw rod to an equal fixed mounting hand (hold) 7, screw rod 3 lie in screw hole inside one section all with screw hole threaded connection, the glue that the adhesion used is 502.

In this embodiment, gag lever post 1 is made by wooden material, makes the same of material and piano of gag lever post, has increased holistic aesthetic property and big square nature, and gag lever post 1 all fixed mounting a sponge layer 2 on the surface has increased the travelling comfort of wrist.

In this embodiment, the limiting rod 1 and the piano keys are arranged in parallel.

In this embodiment, telescopic link 9 comprises inner tube and outer tube, and in the outer tube was all inserted to inner tube one end, all through outside bolt locking between inner tube and the outer tube fixed, can effectual adjustment gag lever post and the piano distance through the telescopic link, adjusts according to the length of palm during the adjustment, is in a comfortable state until making between hand and the piano of putting on the gag lever post.

The working principle is as follows: according to the height of the length adjustment gag lever post that the beginner pointed, during the adjustment, the beginner places the hand in piano button top, it is parallel between wrist and the button, the finger is crooked naturally, constitute a semicircle type together with the palm, it is empty to hold globular, the fingertip need with the button contact, keep motionless back, the hand (hold) of teacher's rotatory both sides, the rotation of hand (hold) has driven the screw rod, make the screw rod reciprocate along the screw hole, the removal of screw rod has driven the gag lever post, make the gag lever post reciprocate along the spout, until making gag lever post and wrist contact, at this moment, the degree of pushing down of effectual restriction wrist through the gag lever post, make the beginner can play with a correct hand type.

This detailed description

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A piano hand type corrector is characterized in that: comprises a limiting rod, the limiting rod is arranged in front of the piano keys, the height of the limiting rod is higher than that of the keys, two sides of the limiting rod are respectively provided with a fixed block, the back surfaces of the fixed blocks are respectively adhered with a telescopic rod, the other ends of the telescopic rods are respectively fixed on the piano through bolts, the opposite surfaces of the fixed blocks are respectively vertically provided with a chute, two sides of the limiting rod are respectively fixedly provided with a slide block opposite to the chutes, one end of each slide block is respectively arranged in the corresponding chute in a sliding way, the sliding block and the sliding groove are both arranged in a dovetail shape, the bottom surface of the fixed block is provided with a screw hole communicated with the sliding groove, bearings are embedded in the positions, right opposite to the screw hole, of the bottom surface of the sliding block, screw rods are welded on inner rings of the bearings, one end of each screw rod penetrates through the screw hole and extends to the outside, and a handle is fixedly installed, and one section of the screw rod, which is positioned inside the screw hole, is in threaded connection with the screw hole.

2. The piano hand corrector of claim 1, wherein: the limiting rod is made of a wood material, and a sponge layer is fixedly arranged on the surface of the limiting rod.

3. The piano hand corrector of claim 1, wherein: the limiting rod and the piano keys are arranged in parallel.

4. The piano hand corrector of claim 1, wherein: the telescopic link comprises inner tube and outer tube, and in inner tube one end all inserted the outer tube, all through outside bolt locking fixation between inner tube and the outer tube.