CN211181632U

CN211181632U - Keyboard for electronic piano virtual experience device

Info

Publication number: CN211181632U
Application number: CN201922197183.1U
Authority: CN
Inventors: 胡星华
Original assignee: Chongqing Topyield Technology Co ltd
Current assignee: Chongqing Topyield Technology Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-08-04
Anticipated expiration: 2029-12-10

Abstract

A keyboard for an electronic piano virtual experience device comprises keys and a base, wherein the keys are arranged on the upper surface of the base, the base comprises a part A, a part B and a part C, the part A comprises a part A1 and a part A2, one end of the part A2 is rotatably connected with one end of the part A1, and the other end of the part A2 is provided with a lug which can be clamped with the part C; the part B comprises a part B1 and a part B2, one end of the part B2 is rotatably connected with one end of the part B1, and the other end of the part B2 is provided with a bump which can be clamped with the part C; the two ends of the part C are respectively provided with a groove, and the inner wall of each groove is provided with a limiting structure for the lug to slide. The utility model aims at providing a keyboard that is used for virtual experience device of electronic piano, this keyboard can be folding shrink when not using, is convenient for hand-carry.

Description

Keyboard for electronic piano virtual experience device

Technical Field

The utility model relates to an electronic piano technical field mainly relates to a keyboard that is used for electronic piano virtual experience device.

Background

It is known that the keys of a piano are numerous and long when fully extended, which causes great inconvenience during transport.

Patent publication No.: CN101467202A, invention name: in the patent document "foldable electronic organ with means for stiffening the keyboard", a foldable hand-held electronic organ is disclosed, comprising a plurality of modules (10, 12, 14, 16) forming a set of keys which reproduce the musical sound of the actual organ by means of associated electronic circuits, wherein said modules are connected together by means of flexible sheets (30, 32, 34) which withstand the material work and allow the electronic organ to be folded and unfolded, the modules having a volume of a book once folded and forming the keyboard of the actual organ when unfolded; said electronic organ is characterised in that it further comprises stiffening means (26, 28) which, after said module has been unfolded into a keyboard, have two positions, a first position allowing the keyboard to be folded and a second position stiffening said keyboard.

Although the piano keyboard is provided in the foldable type in this patent document, the piano keys are easily damaged during carrying due to the contact and mutual pressing of the piano keys during the folding process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a keyboard that is used for virtual experience device of electronic piano, this keyboard can be folding shrink when not using, is convenient for hand-carry.

The utility model discloses a following technical scheme realizes:

a keyboard for an electronic piano virtual experience device comprises keys and a base, wherein the keys are arranged on the upper surface of the base, the base comprises a part A, a part B and a part C, the part A comprises a part A1 and a part A2, one end of the part A2 is rotatably connected with one end of the part A1, and the other end of the part A2 is provided with a lug which can be clamped with the part C; the part B comprises a part B1 and a part B2, one end of the part B2 is rotatably connected with one end of the part B1, and the other end of the part B2 is provided with a bump which can be clamped with the part C; the two ends of the part C are respectively provided with a groove, and the inner wall of each groove is provided with a limiting structure for the lug to slide.

When the electronic piano keyboard is not used, the part A and the part B are pulled outwards with force, so that the bumps of the part A2 and the part B2 respectively penetrate through the elastic protruding element and are positioned between the elastic protruding element and the limiting block, at the moment, the right end of the part A1 and the left end of the part B1 are respectively separated from the two ends of the part C, the piano keys of the part A1 and the piano keys of the part B1 are separated from the piano keys of the part C, and the part A1 and the part B1 are turned upwards at the moment, so that the electronic piano keys cannot be squeezed and damaged. Meanwhile, the A1 part and the B1 part turn upwards, so that the length of the keyboard of the electronic piano is greatly reduced, the electronic piano keys are positioned on the inner side, the piano is placed in the box body, the carrying is convenient, and the electronic piano keys cannot be damaged in the carrying process.

When the electronic piano keyboard is used, the part A1 and the part B1 are turned downwards, so that the part A, the part B and the part C are located on the same horizontal plane, the part A and the part B are pressed inwards with force, two ends of the bump are respectively contacted with the bottom of the groove and the end part of the elastic protruding element, the electronic piano keyboard can be normally used, when the electronic piano keyboard is normally used, the part A2 and the part B2 are completely located in the groove, and the electronic piano keyboard is the same as a common electronic piano.

Furthermore, the limiting structure comprises an elastic protruding element and a limiting block, and the elastic protruding element and the limiting block (9) are sequentially arranged on the inner wall of the groove from inside to outside; when the part A2 or the part B2 is completely positioned in the groove, two ends of the lug are respectively abutted with the bottom of the groove and the end of the elastic convex element; when the part A2 or the part B2 is partially positioned in the groove, the lug is positioned between the elastic convex element and the limiting block, and two ends of the lug are respectively contacted with the elastic convex element and the limiting block.

Furthermore, the elastic protruding element is in an isosceles trapezoid shape, and the bottom edge of the isosceles trapezoid is fixedly connected with the inner wall of the groove. The lug can conveniently and smoothly pass through the lug.

Furthermore, the number of the elastic protruding elements is 2, and the elastic protruding elements are symmetrically arranged on the inner wall of the groove.

Furthermore, the convex block is cylindrical, and the surface of the cylinder is smooth, so that the convex block can conveniently penetrate through the elastic protruding element.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

(1) the electronic piano keyboard can be folded and contracted, and is convenient to carry;

(2) the piano key after folding is located the inboard, can not cause the extrusion to the piano key at the in-process of carrying with box body direct contact, can avoid, causes the damage.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a schematic view of the electronic piano keyboard according to the present invention when it is retracted;

FIG. 2 is a cross-sectional view of the bump and the limiting structure when the present invention is extended;

FIG. 3 is a cross-sectional view of the bump and the position-limiting structure when the utility model is contracted;

reference numerals: 1. a moiety C; 2. part a 1; 3. part a 2; 4. part B1; 5. part B2; 6. a bump; 7. a groove; 8. an elastic projecting element; 9. and a limiting block.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.

Examples

As shown in the figures 1-3 of the drawings,

a keyboard for virtual experience device of electronic piano, the keyboard includes key and base, the key set up in the upper surface of base, the base includes part A, part B and part C1. The part A comprises a1 part 2 and a2 part 3, the upper surface of the part A1 is provided with a piano key, and the right end of the part A1 2 is rotatably connected with the left end of the part A2 3; the right end of the part A2 is provided with a lug 6 which can be clamped with the part C1. The B part comprises a B1 part 4 and a B2 part 5, the upper surface of the B1 part 4 is provided with a piano key, and the left end of the B1 part 4 is rotatably connected with the right end of the B2 part 5; the left end of the B2 part 5 is provided with a lug 6 which can be clamped with the C part 1. The shape and size of the bump 6 can be set according to actual needs, and in this embodiment, the bump 6 is cylindrical. Both ends of C part 1 are provided with recess 7, the inner wall of recess 7 is provided with the elasticity projecting element 8 that provides 6 movement resistance of lug and the stopper 9 that prevents that lug 6 from droing from recess 7 outside from inside in proper order, the size, the shape and the quantity of elasticity projecting element 8 and stopper 9 set up according to actual conditions, and in this embodiment, the quantity of elasticity projecting element 8 and stopper 9 is 2, the symmetry set up in lateral wall about recess 7. The distance from the left end of the elastic protruding element 8 to the bottom of the groove 7 is smaller than the diameter of the bump 6, so that the bump 6 penetrates through the elastic protruding element 8 and then is in close contact with the bottom of the groove 7 and the elastic bump 6, and the situation that shaking is generated in the using process to influence use is prevented. Elastic projecting element 8 is isosceles trapezoid shape, and isosceles trapezoid's base with the inner wall fixed connection of recess 7 is convenient for lug 6 passes elastic projecting element 8. Stopper 9 is the cuboid, the symmetry set up in the opening part of recess 7 lateral walls, the interval between two cuboids is less than the diameter of lug 6 prevents that lug 6 from the interior landing of recess 7.

When the electronic piano keyboard is not used, the part A and the part B are pulled outwards with force, so that the bumps 6 of the part A2 and the part B2 are respectively positioned between the elastic convex element 8 and the stop block 9 through the elastic convex element 8, at the moment, the right end of the part A1 and the left end of the part B1 are respectively separated from the two ends of the part C1, so that the piano keys of the part A1 and the part B1 are separated from the piano keys of the part C1, and the part A1 2 and the part B1 are turned upwards at the moment, so that the electronic piano keys cannot be squeezed and damaged. Meanwhile, due to the fact that the part A1 and the part B1 turn upwards, the length of the keyboard of the electronic piano is greatly reduced, the electronic piano keys are located on the inner side, the piano is placed in the box body, and therefore the keyboard of the electronic piano is convenient to carry and cannot be damaged in the carrying process.

When the electronic piano keyboard is used, the part A1, the part B1 and the part B1 are turned downwards, the part A, the part B and the part C1 are positioned on the same horizontal plane, the part A and the part B are pressed inwards with force, two ends of the bump 6 are respectively contacted with the bottom of the groove 7 and the end part of the elastic protruding element 8, normal use can be realized, when the electronic piano keyboard is used normally, the part A2 and the part B2 are completely positioned in the groove 7, and the electronic piano keyboard is the same as an ordinary electronic piano.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A keyboard for a virtual experience device of an electronic piano, comprising keys and a base, wherein the keys are arranged on the upper surface of the base, the base comprises a part a, a part B and a part C (1), the part a comprises a1 part (2) and a2 part (3), one end of the part a2 (3) is rotatably connected with one end of the part a1 (2), and the other end of the part a2 (3) is provided with a lug (6) which can be clamped with the part C (1); the part B comprises a part B1 (4) and a part B2 (5), one end of the part B2 (5) is rotatably connected with one end of the part B1 (4), and the other end of the part B2 (5) is provided with a lug (6) which can be clamped with the part C (1); the two ends of the part C (1) are respectively provided with a groove (7), and the inner wall of each groove (7) is provided with a limiting structure for the lug (6) to slide.

2. The keyboard for the virtual experience device of the electronic piano as claimed in claim 1, wherein the limiting structure comprises an elastic protruding element (8) and a limiting block (9), the elastic protruding element (8) and the limiting block (9) are sequentially arranged on the inner wall of the groove (7) from inside to outside; when the part A2 (3) or the part B2 (5) is completely positioned in the groove (7), two ends of the lug (6) are respectively abutted with the bottom of the groove (7) and the end of the elastic convex element (8); when the part A2 (3) or the part B2 (5) is partially positioned in the groove (7), the lug (6) is positioned between the elastic convex element (8) and the limiting block (9), and two ends of the lug (6) are respectively contacted with the elastic convex element (8) and the limiting block (9).

3. A keyboard for a virtual experience apparatus of an electronic piano as claimed in claim 2, wherein the elastic protrusion member (8) is in the shape of an isosceles trapezoid, and the bottom side of the isosceles trapezoid is fixedly connected with the inner wall of the groove (7).

4. A keyboard for a virtual experience apparatus of an electronic piano as claimed in claim 3, wherein the number of said elastic protrusion elements (8) is 2, and symmetrically disposed on the inner wall of said groove.

5. A keyboard for a virtual experience apparatus of an electronic piano as claimed in any one of claims 1 to 4, wherein the projection (6) is cylindrical.