CN212809746U

CN212809746U - Piano key playing dynamics adjusting device

Info

Publication number: CN212809746U
Application number: CN202021324640.5U
Authority: CN
Inventors: 吴涵
Original assignee: South Central University for Nationalities
Current assignee: South Central Minzu University
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-03-26
Anticipated expiration: 2030-07-08

Abstract

The utility model discloses a piano key playing dynamics adjusting device, including dead lever and buffer spring, the utility model discloses a set up the whole movement adjustment mechanism in the protection frame inside, rotate the knob, make the knob drive the threaded rod and carry out the screw thread transmission in the seat inboard that rotates, thereby make the threaded rod drive the briquetting through the ejector pad and move, the briquetting moves and presses pinch roller and first key and moves toward the lower extreme, thereby adjust the pressing force degree of first key, changed the mode that originally adjusts the key respectively, made the key adjust convenient and fast's advantage; through having set up supporting mechanism in the gross movement adjustment mechanism upper end, when the briquetting removed the pressure to the pinch roller, through the elastic potential energy of reset spring recovery deformation, drive the depression bar and move toward the upper end to make the depression bar drive first key and reset fast, reached the advantage that can reset fast the key.

Description

Piano key playing dynamics adjusting device

Technical Field

The utility model relates to a piano relevant field specifically is a piano key dynamics adjusting device of playing.

Background

The piano is a keyboard instrument in Western classical music, has a name of 'king of instrument', consists of 88 keys (52 white keys and 36 black keys) and a metal string soundboard, and is invented in 1709 by Butuomo-Crisdori in Italy.

Along with the popularization of piano, the age span of learning piano is bigger and bigger, it is all studying and playing the piano to last eighty years of age to three weeks, because everyone's palm size and finger strength are different, but the dynamics of piano key is fixed unchangeable again, can only satisfy partial crowd's requirement, and most crowd's perception dynamics can not adapt to, just need use piano key to play dynamics adjusting device to adjust the key at this time, but present dynamics adjusting device generally needs one to adjust the key dynamics, often can waste a large amount of time like this, current dynamics adjusting device is difficult to adjust the dynamics fast, lead to the key to adjust to waste time and energy.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above insufficiency, the utility model provides a dynamics adjusting device is played to piano key here.

The utility model is realized in such a way, construct a piano key playing dynamics adjusting device, the device comprises a supporting leg, a fixed frame, an operation platform, a protective frame, a first key, a second key, a non-slip mat, a supporting seat, a fixed rod and a buffer spring, the supporting leg is fixed with the bottom of the fixed frame into a whole, the top of the fixed frame is provided with the operation platform, the fixed frame is locked and fixed with the bottom of the protective frame through screws, the first key is distributed at the left end of the top of the operation platform at equal intervals, the upper end of the first key is provided with the second key, an integral movement adjusting mechanism is arranged and fixed in the protective frame, the integral movement adjusting mechanism comprises a rotating seat, a threaded rod, a knob, a push block, a pressing block, a sliding block, a guide rail, a pressing wheel and a supporting mechanism, the rotating seat is fixedly connected with the right lower end in the protective, the novel key pressing device is characterized in that the threaded rod is closely fixed with the left end of the knob, one end, away from the knob, of the threaded rod is fixed with the right side of the push block, the push block is fixed with the upper end of the press block into a whole, the push block is in sliding fit with the upper end of the guide rail through the slide block, the push block is fixedly connected with the lower end of the slide block, the press wheel is movably connected with the upper right end of the first key, and the supporting mechanism is fixedly connected with the lower right.

Preferably, the fixing frame is seamlessly bonded with the upper end of the non-slip mat, the fixing frame is fixedly connected with the lower end of the supporting seat, the supporting seat is movably connected with the lower end of the fixing rod, and the first keys are elastically connected with the lower left end inside the fixing frame through the buffer springs.

Preferably, the supporting mechanism comprises a connecting plate, a pressing rod, a reset spring and a sliding cavity, the connecting plate is fixedly connected with the lower right end of the first key, the connecting plate and the top of the pressing rod are fixed into a whole, the pressing rod is embedded into the inner side of the sliding cavity in a clearance fit mode, the pressing rod is elastically connected with the lower end of the inner portion of the sliding cavity through the reset spring, and the reset spring is tightly fixed with the lower end of the inner portion of the sliding cavity.

Preferably, the lower end of the pressure lever is provided with a limiting plate, and the limiting plate is in sliding fit with the inner side of the sliding cavity.

Preferably, the upper end of the knob is provided with strip-shaped anti-skid grains which are distributed at equal intervals along the edge of the upper end of the knob.

Preferably, the cross section of the pressing block is in a right trapezoid shape, and the left end of the pressing block is provided with an arc line.

Preferably, the connecting plate and the central line of the pressure lever are in the same vertical direction, and the surface of the pressure lever is smooth.

Preferably, the number of the sliding blocks is two, and the sliding blocks are oppositely arranged along the left side and the right side of the upper end of the push block.

Preferably, the compression bar is made of carbon steel and has strong corrosion resistance.

Preferably, the return spring is made of spring steel and has excellent elastic potential energy.

The utility model has the advantages of as follows: the utility model discloses an improvement provides a dynamics adjusting device is played to piano key here, compares with equipment of the same type, has following improvement:

the method has the advantages that: a dynamics adjusting device is played to piano key, through set up the moving as a whole adjustment mechanism inside the protection frame, rotate the knob, make the knob drive the threaded rod and carry out the screw thread transmission in rotating the seat inboard, thereby make the threaded rod drive the briquetting through the ejector pad and remove, make the ejector pad pass through the slider and remove on the guide rail, the briquetting removes pressure roller and first key and moves toward the lower extreme, thereby adjust the pressing force degree of first key, the mode of adjusting the key has originally been changed respectively, make the key adjust convenient and fast's advantage.

The advantages are two: a dynamics adjusting device is played to piano key through having set up supporting mechanism in the gross movement adjustment mechanism upper end, when the briquetting removed the pressure to the pinch roller and moves, resumes the elastic potential energy of deformation through reset spring, drives the depression bar and moves toward the upper end to make the depression bar drive first key and reset fast, reached the advantage that can reset fast key.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the front view structure of the force adjusting device of the present invention;

fig. 3 is a schematic view of the sectional structure of the force adjusting device of the present invention;

FIG. 4 is a schematic view of the sectional structure of the overall movement adjusting mechanism of the present invention;

fig. 5 is a schematic side view of the supporting mechanism of the present invention.

Wherein: the key comprises a supporting foot-1, a fixed frame-2, an operating platform-3, a protective frame-4, an integral movement adjusting mechanism-5, a first key-6, a second key-7, an anti-skid pad-8, a supporting seat-9, a fixed rod-10, a buffer spring-11, a rotating seat-51, a threaded rod-52, a knob-53, a push block-54, a press block-55, a slide block-56, a guide rail-57, a press wheel-58, a supporting mechanism-59, a connecting plate-591, a press rod-592, a return spring-593, a sliding cavity-594 and a limiting plate-5921.

Detailed Description

The present invention will be described in detail with reference to the accompanying fig. 1-5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a piano key playing dynamics adjusting device through improvement, which comprises a supporting leg 1, a fixed frame 2, an operation platform 3, a protective frame 4, a first key 6, a second key 7, an anti-skid pad 8, a supporting seat 9, a fixed rod 10 and a buffer spring 11, wherein the supporting leg 1 and the bottom of the fixed frame 2 are fixed into a whole, the top of the fixed frame 2 is provided with the operation platform 3, the fixed frame 2 is locked and fixed with the bottom of the protective frame 4 through screws, the first key 6 is equidistantly distributed at the left end of the top of the operation platform 3, the second key 7 is arranged at the upper end of the first key 6, an integral moving adjusting mechanism 5 is arranged and fixed inside the protective frame 4, the integral moving adjusting mechanism 5 comprises a rotating seat 51, a threaded rod 52, a knob 53, a push block 54, a press block 55, a slide block 56, a guide rail 57, a press wheel 58 and a supporting mechanism 59, the rotating seat 51 is fixedly, threaded rod 52 and the interior wall screw-thread fit of seat 51 rotate, threaded rod 52 closely fixes with knob 53 left end, and threaded rod 52 keeps away from knob 53 one end and ejector pad 54 right side fixed mutually, ejector pad 54 is fixed as an organic whole with briquetting 55 upper end, do benefit to and drive briquetting 55 and carry out the effect that removes, ejector pad 54 passes through slider 56 and guide rail 57 upper end sliding fit, and ejector pad 54 and slider 56 lower extreme fixed connection, pinch roller 58 and the upper right end swing joint of first key 6, supporting mechanism 59 and the lower right end fixed connection of first key 6.

Further, the fixed frame 2 is seamlessly bonded with the upper end of the non-slip mat 8, the fixed frame 2 is fixedly connected with the lower end of the supporting seat 9, the supporting seat 9 is movably connected with the lower end of the fixing rod 10, and the first keys 6 are elastically connected with the inner left lower end of the fixed frame 2 through the buffer springs 11.

Further, the supporting mechanism 59 comprises a connecting plate 591, a pressure rod 592, a return spring 593 and a sliding cavity 594, the connecting plate 591 is fixedly connected with the right lower end of the first key 6, the top of the connecting plate 591 and the top of the pressure rod 592 are fixed into a whole, the action of moving the pressure rod 592 is facilitated, the pressure rod 592 is embedded into the sliding cavity 594 in a clearance fit mode, the pressure rod 592 is elastically connected with the inner lower end of the sliding cavity 594 through the return spring 593, and the return spring 593 is tightly fixed with the inner lower end of the sliding cavity 594, so that the action of resetting the pressure rod 592 is facilitated.

Further, the depression bar 592 lower extreme is provided with limiting plate 5921 to limiting plate 5921 and the inboard sliding fit of slide cavity 594 do benefit to and play the effect of carrying out spacingly to depression bar 592.

Further, the upper end of the knob 53 is provided with strip-shaped anti-skid grains, and the anti-skid grains are distributed along the edge of the upper end of the knob 53 at equal intervals, so that the anti-skid effect is facilitated.

Furthermore, the cross section of the pressing block 55 is in a right trapezoid shape, and the left end of the pressing block 55 is provided with an arc line, so that the pressing wheel 58 can be moved conveniently.

Further, the connection plate 591 is in the same vertical direction with the center line of the pressure rod 592, and the surface of the pressure rod 592 is smooth, which is beneficial to the sliding fit with the inner side of the sliding cavity 594.

Furthermore, the two sliding blocks 56 are arranged, and the sliding blocks 56 are oppositely arranged along the left side and the right side of the upper end of the pushing block 54, so that the pushing block 54 can move stably.

Further, the compression bar 592 is made of carbon steel and has high corrosion resistance.

Furthermore, the return spring 593 is made of spring steel and has excellent elastic potential energy.

The utility model provides a piano key playing force adjusting device through improvement, and the working principle is as follows;

firstly, before use, horizontally placing a piano key playing force adjusting device, and enabling supporting feet 1 and a non-slip mat 8 to fixedly support the device;

secondly, when the key adjusting device is used, the knob 53 is rotated, the knob 53 drives the threaded rod 52 to perform threaded transmission on the inner side of the rotating seat 51, so that the threaded rod 52 drives the pressing block 55 to move through the pushing block 54, the pushing block 54 moves at the upper end of the guide rail 57 through the sliding block 56, the pressing block 55 moves the pressing wheel 58 and the first key 6 to move towards the lower end, the pressing force of the first key 6 is adjusted, the original mode of respectively adjusting the keys is changed, and the keys are conveniently and quickly adjusted;

thirdly, when the first key 6 is adjusted, the pressing rod 592 is driven to move to the lower end, so that the return spring 593 is pressed by the pressing rod 592 to deform and contract;

fourth, the user can then perform a performance by pressing the first key 6 and the second key 7, and by providing the support base 9 and the fixing lever 10, the first key 6 can be smoothly pressed;

fifthly, when the pressing block 55 releases the pressing of the pressing wheel 58, the compression bar 592 is driven to move to the upper end by restoring the elastic potential energy of the deformation through the return spring 593, so that the compression bar 592 drives the first keys 6 to be quickly reset, and the keys can be quickly reset.

The utility model provides a piano key playing dynamics adjusting device through the improvement, through set up the moving as a whole adjustment mechanism 5 inside the protective frame, rotate knob 53, make knob 53 drive threaded rod 52 and carry out the screw thread transmission in the seat 51 inboard that rotates, thereby make threaded rod 52 drive briquetting 55 through ejector pad 54 and move, make ejector pad 54 move through slider 56 in guide rail 57 upper end, briquetting 55 removes pressure-actuated pressure wheel 58 and first key 6 and moves to the lower end, thereby adjust the pressing strength of first key 6, changed the original mode of adjusting the key respectively, make the key adjust convenient and fast's advantage; through having set up supporting mechanism 59 in the gross movement adjustment mechanism 5 upper end, when briquetting 55 relieved the pressure to pinch roller 58, resume the elastic potential energy of deformation through reset spring 593, drive depression bar 592 and move towards the upper end to make depression bar 592 drive first key 6 and reset fast, reached and to have carried out the advantage that resets fast key.

The basic principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, conventional model, and conventional connection mode in the prior art is adopted in addition to circuit connection, and the details are not repeated here.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A piano key playing dynamics adjusting device comprises supporting legs (1), a fixing frame (2), an operating platform (3), a protective frame (4), first keys (6), second keys (7), an anti-slip pad (8), a supporting seat (9), a fixing rod (10) and a buffer spring (11), wherein the supporting legs (1) and the bottom of the fixing frame (2) are fixed into a whole, the operating platform (3) is arranged at the top of the fixing frame (2), the fixing frame (2) is locked and fixed with the bottom of the protective frame (4) through screws, the first keys (6) are distributed at the left end of the top of the operating platform (3) at equal intervals, and the second keys (7) are arranged at the upper ends of the first keys (6);

the method is characterized in that: the protective frame is characterized by further comprising an integral movement adjusting mechanism (5), the integral movement adjusting mechanism (5) is fixedly installed inside the protective frame (4), the integral movement adjusting mechanism (5) comprises a rotating seat (51), a threaded rod (52), a knob (53), a push block (54), a pressing block (55), a sliding block (56), a guide rail (57), a pressing wheel (58) and a supporting mechanism (59), the rotating seat (51) is fixedly connected with the right lower end inside the protective frame (4), the threaded rod (52) is in threaded fit with the inner side wall of the rotating seat (51), the threaded rod (52) is closely fixed with the left end of the knob (53), one end, far away from the knob (53), of the threaded rod (52) is fixed with the right side of the push block (54), the upper ends of the push block (54) and the pressing block (55) are fixed into a whole, and the push block (54) is in sliding fit with the upper end of the guide, and the push block (54) is fixedly connected with the lower end of the slide block (56), the press wheel (58) is movably connected with the upper right end of the first key (6), and the supporting mechanism (59) is fixedly connected with the lower right end of the first key (6).

2. The piano key playing dynamics adjusting apparatus according to claim 1, wherein: the fixing frame (2) is seamlessly bonded with the upper end of the non-slip mat (8), the fixing frame (2) is fixedly connected with the lower end of the supporting seat (9), the supporting seat (9) is movably connected with the lower end of the fixing rod (10), and the first keys (6) are elastically connected with the inner left lower end of the fixing frame (2) through the buffer springs (11).

3. The piano key playing dynamics adjusting apparatus according to claim 1, wherein: the supporting mechanism (59) comprises a connecting plate (591), a pressure rod (592), a return spring (593) and a sliding cavity (594), the connecting plate (591) is fixedly connected with the right lower end of the first key (6), the connecting plate (591) is fixed with the top of the pressure rod (592) into a whole, the pressure rod (592) is embedded into the sliding cavity (594) in a clearance fit mode, the pressure rod (592) is elastically connected with the inner lower end of the sliding cavity (594) through the return spring (593), and the return spring (593) is tightly fixed with the inner lower end of the sliding cavity (594).

4. The piano key playing dynamics adjusting apparatus according to claim 3, wherein: the lower end of the compression rod (592) is provided with a limiting plate (5921), and the limiting plate (5921) is in sliding fit with the inner side of the sliding cavity (594).

5. The piano key playing dynamics adjusting apparatus according to claim 1, wherein: the anti-skidding knob is characterized in that strip-shaped anti-skidding lines are arranged at the upper end of the knob (53), and the anti-skidding lines are distributed along the edge of the upper end of the knob (53) at equal intervals.

6. The piano key playing dynamics adjusting apparatus according to claim 1, wherein: the cross section of the pressing block (55) is in a right trapezoid shape, and the left end of the pressing block (55) is provided with an arc line.

7. The piano key playing dynamics adjusting apparatus according to claim 3, wherein: the connecting plate (591) and the center line of the pressure rod (592) are in the same vertical direction, and the surface of the pressure rod (592) is smooth.

8. The piano key playing dynamics adjusting apparatus according to claim 1, wherein: the number of the sliding blocks (56) is two, and the sliding blocks (56) are oppositely arranged along the left side and the right side of the upper end of the push block (54).