Counter weight electric sensing piano key

Abstract

The utility model discloses a hammer-type electric piano key. A detachable balancing weight is arranged at the bottom of the near end of a key body. The bottom of the near end of the key body is provided with at least two threaded connecting ends or a sliding clamping groove with a positioning protrusion, at least two balance weight adjusting gears are formed, the position of the balance weight is adjusted, and then the hand feeling of the key is changed. The lever principle and the inertia effect are utilized to effectively simulate the heavy hammer feeling of a real piano, and the diversified hand feeling requirements of players are met. The electronic piano key is simple in structure and easy to produce, manufacture, popularize and apply, and the hand feeling of the electronic piano key is remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to an electric piano, especially a heavy hammer electric piano key. BACKGROUND

[0002] With the continuous development of the music market, electric pianos are favored by more and more music lovers due to their portability and diverse functions. However, the existing electric piano keys have a large gap compared with traditional real pianos in terms of hand feeling, especially lacking the unique heavy hammer feeling of real pianos. The heavy hammer feeling of real pianos allows the player to control the force accurately through the fingers when playing, realizing rich musical expressiveness. Since electric pianos do not have a complex mechanical structure similar to real pianos, the key hand feeling is relatively light and lacks variation, which cannot meet the needs of professional players and users who have high requirements for playing hand feeling. Therefore, how to improve the structure of electric piano keys to make them have a heavy hammer feeling close to real pianos has become a problem to be solved by technical personnel in the field. SUMMARY

[0003] The utility model discloses a heavy hammer electric piano key to solve the above-mentioned insufficient.

[0004] The utility model discloses a heavy hammer electric piano key to solve the above-mentioned insufficient.

[0005] A threaded connection adjustment structure can be used: at least two threaded connection ends are arranged at the proximal end of the key body, and these threaded connection ends form at least two weight adjustment gears. The detachable weight block is provided with a threaded connection port connected with the threaded connection end. The player can install the weight block on the threaded connection end at different positions according to his own needs, realizing the adjustment of the key hand feeling. For example, installing the weight block on the threaded connection end far from the fulcrum will increase the pressing force of the key, making the hand feeling heavy; installing it on the threaded connection end close to the fulcrum will make the hand feeling relatively light.

[0006] A sliding rail adjustment structure can also be used: the proximal end of the key body is also provided with a sliding rail, and at least two positioning protrusions are arranged in the sliding rail, which form at least two weight adjustment gears. The detachable weight block is provided with a sliding block matched with the sliding rail, which is installed and positionally adjusted by being clamped into the sliding rail and fixed at the positioning protrusions. The player can clamp the weight block at different positioning protrusions according to his own preference for hand feeling, thereby adjusting the hand feeling of the key. For example, clamping the weight block at the positioning protrusion far from the fulcrum will increase the pressing force of the key; clamping it at the positioning protrusion close to the fulcrum will reduce the pressing force.

[0007] The principle of simulating the real piano's heavy hammer feeling is as follows:

[0008] Lever principle: The piano key of the electric piano can be regarded as a lever, and the connection between the piano key and the piano body is the fulcrum. After installing the counterweight at the bottom of the proximal end of the piano key, according to the lever principle F1L1=F2L2 (where F is the force exerted by the player, L1 is the distance from the player's force point to the fulcrum, F2 is the gravity generated by the counterweight, and L2 is the distance from the center of gravity of the counterweight to the fulcrum). Since the counterweight is located at the proximal end of the piano key, the force arm L2 is relatively long, even if the gravity of the counterweight is not large, it will also generate a larger moment. When the player presses the piano key, he needs to overcome this larger moment generated by the counterweight, which is similar to the resistance generated by the heavy hammer falling in the real piano, so that the player feels similar to the heavy hammer feeling of the real piano.

[0009] Inertial effect: The counterweight increases the overall mass of the piano key. According to the law of inertia, the greater the mass, the greater the inertia. When the player presses the piano key, he needs to overcome greater inertia to make the piano key move, just like pushing a heavier object requires more force. This resistance feeling caused by increased inertia is similar to the inertial effect exhibited by the heavy hammer in the real piano during movement, further simulating the heavy hammer feeling of the real piano.

[0010] Dynamic change: By changing the position of the counterweight, such as moving the counterweight closer or farther away from the fulcrum, the size of the force arm L2 can be changed, thereby changing the size of the moment that the player needs to overcome when pressing the piano key. This dynamic adjustment method allows the player to adjust the feel of the piano key according to his own preferences and the music played, which is closer to the change of the heavy hammer feeling of the real piano under different forces, and enhances the expressiveness and comfort of playing.

[0011] The advantages of the present utility model compared with the prior art are:

[0012] 1. Significantly improve the feel: By setting a detachable counterweight at the proximal end of the piano key body, the heavy hammer feeling of the real piano is effectively simulated, greatly improving the feel of the electric piano key, allowing the player to have a playing experience closer to the real piano, and meeting the needs of users who have high requirements for playing feel.

[0013] 2. Meet the diverse needs: At least two counterweight adjustment gears are provided, whether through threaded connection or the cooperation of slide rails and positioning protrusions, the player can flexibly adjust the position of the counterweight according to his own habits, playing music and playing skills, achieve different feel experiences, and increase the adaptability and playability of the electric piano.

[0014] 3. Simple and practical structure: The structural design of this utility model is an improvement on the existing electric piano key structure. It does not require large-scale modifications to the overall structure of the electric piano, making it easy to manufacture, reducing production costs, and facilitating later maintenance and repair, which is conducive to its promotion and application in the market. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the bottom structure of the first embodiment of this utility model.

[0016] Figure 2 This is an exploded structural diagram of the bottom side angle of the first embodiment of this utility model.

[0017] Figure 3 This is an exploded structural diagram of the top side angle of the first embodiment of this utility model.

[0018] Figure 4 This is a top view of the first and second embodiments of this utility model.

[0019] Figure 5 This is the first embodiment of the present utility model. Figure 4 Sectional view at point AA.

[0020] Figure 6 This is a schematic diagram of the bottom structure of the second embodiment of the present invention.

[0021] Figure 7 This is an exploded structural diagram of the bottom side angle of the second embodiment of this utility model.

[0022] Figure 8 This is the second embodiment of the present invention. Figure 4 Sectional view at point AA. Detailed Implementation

[0023] The present invention will now be described in further detail with reference to the accompanying drawings.

[0024] Example 1: As Figures 1 to 5 As shown, the application of the threaded connection adjustment structure is as follows: A weighted electric piano key includes a key body 1 and a counterweight 2. The bottom of the proximal end (the end closest to the player) of the key body 1 is provided with at least two threaded connection ends 3, forming at least two counterweight adjustment positions. In this embodiment, three threaded connection ends are used, forming three counterweight adjustment positions. The detachable counterweight 2 is provided with a threaded connection port 4 that connects to the threaded connection ends 3. The detachable counterweight 2 is connected to the bottom of the proximal end of the key body 1 by the mating of the threaded connection port 4 and the threaded connection end 3.

[0025] Structural Fabrication: The key body 1 is constructed from a suitable material, such as high-strength engineering plastic. At least two threaded connection ends 3 are machined near the bottom of the key body 1 according to design requirements. The spacing and distribution of the threaded connection ends 3 must be precisely calculated to ensure a clear and reasonable difference in feel between different key positions. Simultaneously, a detachable counterweight 2 is fabricated, with threaded connection ports 4 machined on it to match the threaded connection ends 3. The counterweight 2 can be made of a high-density metal material, such as lead or copper, to provide sufficient weight within a small volume.

[0026] Installation and Use: When using the digital piano, the player can adjust the weight block 2 to suit their desired feel. For a heavier feel, align the threaded connection 4 of the weight block 2 with the threaded connection end 3 furthest from the fulcrum, and tighten it by rotating to fix the weight block 2 in that position. At this point, because the lever arm of the weight block 2 is longer, a greater torque needs to be overcome when pressing the keys, resulting in a heavier feel. For a lighter feel, install the weight block 2 on the threaded connection end 3 closer to the fulcrum.

[0027] Example 2: Figure 6 , Figure 7 and Figure 8 As shown, the application of the slide rail adjustment structure is as follows: A weighted electric piano key includes a key body 1 and a counterweight block 2. A slide rail 5 is provided at the near bottom of the key body 1. The slide rail 5 has at least two positioning protrusions 6 to form at least two counterweight adjustment positions. The detachable counterweight block 2 is provided with a slider 7 that cooperates with the slide rail 5. The slider 7 is inserted into the slide rail 5 and fixed at the positioning protrusion 6.

[0028] Structural Fabrication: A slide rail 5 is machined at the near bottom of the piano key body 1. The size and shape of the slide rail 5 must precisely match the slider 7 of the detachable counterweight 2 to ensure that the counterweight 2 can slide smoothly within the slot. At least two positioning protrusions 6 are set in the slide rail 5 according to design requirements. The height and position of the positioning protrusions 6 must be carefully designed to ensure that the counterweight 2 produces distinctly different feel when engaged at different positioning protrusions 6. The detachable counterweight 2 with slider 7 is then fabricated, and the size and shape of slider 7 are adapted to the slide rail 5.

[0029] Installation and Use: The player adjusts the weight block according to their preferred feel. For a heavier feel, insert the slider 7 of the weight block 2 into the slide rail 5 and push the weight block 2 until it is locked at the positioning protrusion 6, away from the fulcrum. At this point, the lever arm of the weight block 2 is longer, resulting in a heavier key feel. For a lighter feel, simply lock the weight block 2 at the positioning protrusion 6, closer to the fulcrum.

[0030] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A hammer action electric piano key comprising a key body, characterised in that: The proximal end of the key body is provided with a detachable counterweight.

2. A hammer electric piano key according to claim 1, wherein: The proximal end of the key body is provided with at least two threaded connection ends, forming at least two counterweight adjustment gears, and the detachable counterweight is provided with threaded connection ports connected with the threaded connection ends.

3. A hammer electric piano key according to claim 1, wherein: The proximal end of the key body is provided with a slide rail, and at least two positioning protrusions are arranged in the slide rail, forming at least two counterweight adjustment gears, and the detachable counterweight is provided with a slide block matched with the slide rail, which is clamped into the slide rail and fixed at the positioning protrusions.

4. A hammer electric piano key according to claim 1, wherein: The counterweight is made of metal material.

5. A hammer electric piano key according to claim 4, wherein: The counterweight is made of lead or copper.

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