CN201707807U - Portable reelable type piano practice keyboard - Google Patents

Abstract

The utility model relates to a portable reelable type piano practice keyboard which is characterized by being provided with a concave base (1); 88 standard piano keys (2) are embedded in the soft concave base (1); the rear parts of the rear end surface and the bottom end surface of each piano key (2) are fixed on the rear side wall and the bottom surface of the soft concave base (1) by an air bag pad (3); and the concave base (1) in the middle of the bottom end surface of the corresponding piano key (2) is also provided with an electronic piano contact switch (4) which is connected to an electronic piano control box (5) by a circuit. The portable reelable type piano practice keyboard can allow a piano beginner to practice, can simulate the keys of the piano to lead the piano beginner to find the feeling of playing the piano, is portable and reelable, and also is economic and practical.

Description

Portable roll-type piano exercise keyboard

Technical field

The utility model relates to the piano study apparatus, is a kind of portable roll-type piano exercise keyboard specifically.

Background technology

Now a lot of families have arranged the excellent course of a lot of trainings for child, and purpose is to want to allow the child of oneself acquire more knowledge, grasps more technical ability, and white silk piano has also become in numerous courses.Yet, for an average family, taking out more than 10,000 yuan buys the frame piano and also will consider carefully, particularly under can't determining that can child to the hobby degree of piano and the situation that adhere to learning down, the heads of a family tend to adopt and use or rent other people piano and practise to child, and are so just pretty troublesome; The head of a family who has then can allow child practise on mellotron earlier, but common mellotron does not have 88 piano keies of standard, and therefore the feel that the button of while mellotron does not play the piano is difficult to know from experience the sensation that plays the piano.

Summary of the invention

The purpose of this utility model provides the cheap again practical portable roll-type piano exercise keyboard of a kind of good hand touch.

Described portable roll-type piano exercise keyboard, it is characterized in that: this exercise keyboard has a spill base, and 88 standard steel keys embed in soft spill base; The rear end face of described piano key and the rear portion of bottom face are fixed on by air bag cushion on the rear wall and bottom surface of spill base, on the spill base at the bottom face of corresponding piano key middle part mellotron key contact switch are installed also; Described contact switch is connected to the control enclosure of this mellotron by circuit.

The utility model can allow the person that begins to learn piano exercise, and can simulate the button of piano, the sensation that allows the beginner find to play the piano, and portable the volume, economical and practical.

Description of drawings

Fig. 1 is the utility model structural representation,

Fig. 2 is an A-A profile among Fig. 1.

Among the figure: 1-spill base, 2-piano key, 3-air bag cushion, 4-contact switch, 5-control enclosure.

Embodiment

Below in conjunction with accompanying drawing the utility model is further specified: portable as shown in fig. 1 roll-type piano exercise keyboard, this exercise keyboard has 1,88 standard steel key 2 of a spill base to embed in soft spill base 1; The rear end face of described piano key 2 and the rear portion of bottom face are fixed on by air bag cushion 3 on the rear wall and bottom surface of spill base 1, on the spill base 1 at the bottom face of corresponding piano key 2 middle part mellotron key contact switch 4 are installed also; Described contact switch 4 is connected to the control enclosure 5 of this mellotron by circuit.

Portable roll-type mellotron on the market is not provided with air bag cushion, be the use of electronics key lacks feel.Portable roll-type mellotron general structure is divided into keyseat, key, contact switch and control enclosure.Process is: the player presses key, triggers contact switch, and control enclosure sends the simulation sound of this key.It is that keyseat adopts soft material to make that this mellotron also has characteristics, thereby whole mellotron can furl, and carries very convenient.

As shown in Figure 1: the utility model is provided with 88 piano keies 2 of standard, and the function of control enclosure 5 is designed to simulate the pronunciation of piano simultaneously.

The structure of piano key 2 shown in Figure 2 and spill base 1.Because the rear end face of piano key 2 and the rear portion of bottom face adopt air bag cushion 3 to be fixed on the spill base 1, and the bottom face front portion of piano key 2 is to be in hanging shape, plays the front portion of compressed steel key 2 at present, and air bag cushion 3 will be compressed, contact switch 4 triggering and conducting, control enclosure 5 pronunciations; After loosing one's grip, air bag cushion 3 restores, and piano key 2 is rebounded, and contact switch 4 disconnects.

The characteristics of this button are: have air bag cushion 3 to do buffering, the button high resilience when playing like this, as the true piano of bullet, can allow the practitioner find the sensation that plays the piano.

Claims (1)

1. a portable roll-type piano is practised keyboard, and it is characterized in that: this exercise keyboard has a spill base (1), and 88 standard steel keys (2) embed in soft spill base (1); The rear end face of described piano key (2) and the rear portion of bottom face are fixed on by air bag cushion (3) on the rear wall and bottom surface of spill base (1), on the spill base (1) at the bottom face of corresponding piano key (2) middle part mellotron key contact switch (4) are installed also; Described contact switch (4) is connected to the control enclosure (5) of this mellotron by circuit.

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