CN206259158U - Piano key board and silica gel piano - Google Patents

Abstract

The utility model discloses a kind of piano key board and silica gel piano, including circuit board and the button being arranged on the circuit board, it is described that the line conduction or cut-off for making the circuit board are switched to by bond energy, the button is provided with the contact of some projections adjacent to the surface of the circuit board, some contacts form multiple rows of, the quantity of contact described in adjacent two row is different, and positioned at the line formation broken line of often each contact center of row end.The contact of some projections that piano key board of the present utility model is set can increase the pressure to the circuit board, some contacts form multiple rows of, the quantity of contact described in adjacent two row is different, and the line positioned at often each contact center of row end forms broken line, pressure distribution is evenly everywhere to make button, distribution is more reasonable, improves the sensitivity of pressing keys.

Description

Piano key board and silica gel piano

Technical field

The utility model is related to acoustic musical instrument technical field, more particularly to a kind of piano key board and silica gel piano.

Background technology

In recent years, in the market occurs in that the key body that a kind of use silica gel makes, also known as silica gel piano or Portable electronic organ. The piano key board of this silica gel piano is made up of silica gel material, because its is cheap, small volume and the characteristics of be convenient for carrying, is subject to Some consumers and the welcome of specific user.But the inner face of key is finger contacts the reverse side on key surface would generally design A series of contact of projections, to increase the pressure to flexible PCB, but these contacts are usually according to square or rectangle Geometry arranged, if cause finger be pressed against square or rectangle it is central when, keystroke sensitivity can under Drop.

Utility model content

Main purpose of the present utility model is to provide a kind of piano key board, it is intended to improve keystroke sensitivity.

To achieve the above object, the utility model proposes a kind of piano key board, including circuit board and be arranged at the circuit Button on plate, described that the line conduction or cut-off for making the circuit board are switched to by bond energy, the button is adjacent to the circuit The surface of plate is provided with the contact of some projections, and some contacts form multiple rows of, and the quantity of contact described in adjacent two row is not Together, the line and positioned at often each contact center of row end forms broken line.

Preferably, the contact of the end includes different the first contacts and the second contact of shape of cross section size.

Preferably, the cross section of first contact is square, and the cross section of second contact is rectangle.

Preferably, the cross section of the contact is circular or oval.

Preferably, the line of centres of three adjacent contacts forms an equilateral triangle.

Preferably, the line of centres of three adjacent contacts forms an isosceles triangle.

Preferably, the elastic sidewall of described button the right and left includes at least two sections folding surfaces.

Preferably, the elastic sidewall of described button the right and left includes arc surface or elliptical arc surface.

The utility model also provides a kind of silica gel piano, and the silica gel piano includes the piano key board described in any of the above-described.

In technical solutions of the utility model, including circuit board and the button being arranged on the circuit board, it is described by bond energy The line conduction or cut-off for making the circuit board are switched to, the button is provided with some projections adjacent to the surface of the circuit board Contact, some contacts form multiple rows of, and the quantity of contact described in adjacent two row is different, and are touched positioned at often each of row end The line of dot center forms broken line.The button of piano key board of the present utility model is some prominent adjacent to the surface setting of the circuit board The contact risen can increase the pressure to the circuit board, and some contacts form multiple rows of, contact described in adjacent two row Quantity is different, and positioned at the line formation broken line of often each contact center of row end, pressure distribution evenly, is divided everywhere to make button Cloth is more reasonable, improves the sensitivity of pressing keys.

Brief description of the drawings

In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.

Fig. 1 is the structural representation of the piano key board of the embodiment of the utility model one；

Fig. 2 is the A-A of Fig. 1 to sectional view；

Fig. 3 is the structural representation of an embodiment of the utility model contact arrangement；

Fig. 4 is the structural representation of another embodiment of the utility model contact arrangement；

Fig. 5 is the structural representation of another embodiment of the utility model contact arrangement；

Fig. 6 is the structural representation of another embodiment of the utility model contact arrangement；

Fig. 7 is the structural representation of an embodiment of the utility model button.

Drawing reference numeral explanation：

The realization of the utility model purpose, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.

Specific embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise Lower obtained every other embodiment, belongs to the scope of the utility model protection.

It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment Relative position relation, motion conditions for being only used for explaining between each part under a certain particular pose (as shown in drawings) etc., such as When really the particular pose changes, then directionality indicates also correspondingly to change therewith.

In addition, and can not be managed such as relating to the description of " first ", " second " etc. is only used for describing purpose in the utility model Solve to indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " the One ", at least one this feature can be expressed or be implicitly included to the feature of " second ".It is " many in description of the present utility model It is individual " it is meant that at least two, such as two, three etc., unless otherwise expressly limited specifically.

In the utility model, unless otherwise clearly defined and limited, term " connection ", " fixation " etc. should do broad sense reason Solution, for example, " fixation " can be fixedly connected, or be detachably connected, or integrally；Can mechanically connect, also may be used Be electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two connections of element internal Or two interaction relationships of element, unless otherwise clearly restriction.For the ordinary skill in the art, can be with Concrete meaning of the above-mentioned term in the utility model is understood as the case may be.

In addition, the technical scheme between the utility model each embodiment can be combined with each other, but must be with ability Domain those of ordinary skill can be implemented as basis, be will be understood that when the combination appearance of technical scheme is conflicting or cannot realize The combination of this technical scheme does not exist, not within the protection domain of the utility model requirement yet.

The utility model proposes a kind of piano key board 10.

Fig. 1 to Fig. 7 is refer to, in the embodiment of the utility model one, piano key board 10 includes circuit board and is arranged at described Button 11 on circuit board, the button 11 can switch to the line conduction or cut-off for making the circuit board, and the button 11 is adjacent The surface of the nearly circuit board is provided with the contact 12 of some projections, and some contacts 12 form multiple rows of, institute in adjacent two row The quantity for stating contact 12 is different, and positioned at the line formation broken line at the often center of each contact 12 of row end.Can increase to described The pressure of circuit board, some contacts 12 form multiple rows of, and the quantity of contact 12 described in adjacent two row is different, and is arranged positioned at often The line at the center of each contact 12 of end forms broken line, and pressure distribution evenly and rationally, improves pressing everywhere to make button 11 The sensitivity of button 11.

In the present embodiment, the piano key board 10 is made of flexible silica gel material, and the circuit board can use flexible electrical During the plate of road, can be rolled up reducing volume, be convenient for carrying.

Preferably, the contact 12 of the end includes different the first contacts 121 and the second contact of shape of cross section size 122.First contact 121 is different with the geomery of the second contact 122, the center of the first contact 121 and the second contact 122 Point does not fall on the same straight line of vertical direction, make button 11 everywhere pressure distribution evenly and rationally, improve pressing by The sensitivity of key 11.

In addition, the cross section of first contact 121 is square, the cross section of second contact 122 is rectangle. The central point of the first contact 121 and the second contact 122 does not fall on the same straight line of vertical direction, makes the pressure everywhere of button 11 Evenly and rationally, improve the sensitivity of pressing keys 11.

Wherein, the cross section of the contact 12 is circular or oval.Contact 12 is shaped to circular or ellipse, Its shape is similar to the shape that finger is contacted with the surface of button 11, can increase the pressure to circuit board.

And, the line of centres of three adjacent contacts 12 forms an isosceles triangle.Described in adjacent three When the line of centres of contact 12 forms an equilateral triangle, pressure distribution is more uniform everywhere for button 11, its button 11 it is sensitive Degree is preferable, and the sense of touch of button 11 experience of user is preferable.

Further, the line of centres of three adjacent contacts 12 forms an equilateral triangle.Adjacent three When the line of centres of the contact 12 forms an equilateral triangle, button 11 everywhere pressure distribution evenly, its button 11 More preferably, the sense of touch of button 11 experience of user is more preferable for sensitivity.

Preferably, the elastic sidewall of the right and left of the button 11 includes at least two sections folding surfaces.The button 11 or so The elastic sidewall on both sides makes the gap between two buttons 11 narrower including at least two sections folding surfaces, make the loading of piano key board 10 compared with It is small, and the overall appearance of piano key board 10 is improved, provide the user more preferable visual experience.

Used as a kind of preferred embodiment, the elastic sidewall of the right and left of the button 11 includes arc surface or elliptical arc surface. The elastic sidewall of the right and left of the button 11 includes that arc surface or elliptical arc surface make the gap between two buttons 11 narrower, accords with The international standard of piano loading is closed, and is easy to carry, stroke higher can be obtained.

The utility model also provides a kind of silica gel piano, and the silica gel piano includes the piano key board described in above-mentioned any one 10.The concrete structure of the piano key board 10 of the silica gel piano with reference to above-described embodiment, due to silica gel piano employ it is above-mentioned all Whole technical schemes of embodiment, therefore all beneficial effects that at least technical scheme with above-described embodiment is brought, This is no longer repeated one by one.

Preferred embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, It is every under design of the present utility model, the equivalent structure transformation made using the utility model specification and accompanying drawing content, or Directly/be used in other related technical fields indirectly and be included in scope of patent protection of the present utility model.

Claims (9)

1. a kind of piano key board, it is characterised in that described to be cut by bond energy including circuit board and the button being arranged on the circuit board Shift to make line conduction or the cut-off of the circuit board, the button is provided with some projections adjacent to the surface of the circuit board Contact, some contacts form multiple rows of, and the quantity of contact described in adjacent two row is different, and positioned at each contact of often row end The line at center forms broken line.

2. piano key board as claimed in claim 1, it is characterised in that the contact of the end includes that shape of cross section size is different The first contact and the second contact.

3. piano key board as claimed in claim 2, it is characterised in that the cross section of first contact is square, described the The cross section of two contacts is rectangle.

4. piano key board as claimed in claim 1, it is characterised in that the cross section of the contact is circular or oval.

5. piano key board as claimed in claim 4, it is characterised in that the line of centres of three adjacent contacts forms Equilateral triangle.

6. piano key board as claimed in claim 4, it is characterised in that the line of centres of three adjacent contacts forms Isosceles triangle.

7. the piano key board as described in claim any one of 1-6, it is characterised in that the elastic sidewall bag of described button the right and left Include at least two sections folding surfaces.

8. the piano key board as described in claim any one of 1-6, it is characterised in that the elastic sidewall bag of described button the right and left Include arc surface or elliptical arc surface.

9. a kind of silica gel piano, it is characterised in that the silica gel piano includes the piano key board described in claim any one of 1-8.