阅读说明：本技术 一种可调节高度的钢琴踏板辅助装置 (But height-adjusting's piano footboard auxiliary device ) 是由 仇博 于 2020-03-30 设计创作，主要内容包括：本发明公开了一种可调节高度的钢琴踏板辅助装置,具体涉及钢琴辅助机构领域,包括立式钢琴主体、安装固定盒,安装固定盒的表面套接有升降套盒、踏板安装盒,踏板安装盒的顶面安装有直线轴承并套接有传动卡条,传动卡条的底端安装有传动球套、球头连接件、传动球杆和抵压传动块,踏板安装盒内腔的顶面安装有吊装支座、弹性伸缩杆,安装固定盒、升降套盒的内侧安装有丝杆升降机构。本发明通过在升降套盒内安装相同外设辅助踏板结构,通过踩踏外设辅助踏板利用传动卡条和传动球杆将人体踩压外设辅助踏板的力传动至钢琴原踏板,机械式传动结构相较于传统电动结构无任何延迟,使得音乐创作过程中控制更加顺滑,提升用户创作体验。(The invention discloses a height-adjustable piano pedal auxiliary device, and particularly relates to the field of piano auxiliary mechanisms, which comprises an upright piano main body and an installation fixing box, wherein a lifting sleeve box and a pedal installation box are sleeved on the surface of the installation fixing box, a linear bearing is installed on the top surface of the pedal installation box, a transmission clamping strip is sleeved on the top surface of the pedal installation box, a transmission ball sleeve, a ball head connecting piece, a transmission ball rod and a pressing transmission block are installed at the bottom end of the transmission clamping strip, a hoisting support and an elastic telescopic rod are installed on the top surface of an inner cavity of the pedal installation box, and a screw rod lifting mechanism is installed on the inner sides. According to the invention, the same external auxiliary pedal structure is installed in the lifting sleeve, the force of a human body for treading the external auxiliary pedal is transmitted to the original piano pedal by treading the external auxiliary pedal through the transmission clamping strip and the transmission ball rod, and the mechanical transmission structure has no delay compared with the traditional electric structure, so that the control in the music creation process is smoother, and the creation experience of a user is improved.)

1. The utility model provides a but height-adjusting's piano footboard auxiliary device, includes upright piano main part (1), installation fixing box (2), upright piano main part (1) front side is equipped with former footboard (11) of piano, its characterized in that: the utility model discloses a piano, including installation fixed box (2), surface activity cup joints lift cover box (3), the top surface fixed mounting of lift cover box (3) has footboard mounting box (4), linear bearing (16) are installed in the top surface embedding of footboard mounting box (4), the inside slip of linear bearing (16) has cup jointed transmission card strip (7), the bottom welding of transmission card strip (7) has transmission ball cover (8), the inside rotation of transmission ball cover (8) has cup jointed bulb connecting piece (9), the bottom welding of bulb connecting piece (9) has transmission club (10), the bottom fixed mounting of transmission club (10) has to press driving block (13), the bottom surface that presses driving block (13) and the top surface frictional connection of the former footboard (11) of piano, the top surface fixed mounting of footboard mounting box (4) inner chamber has hoisting support (17), Elastic expansion rod (15), the bottom of hoist and mount support (17) is rotated and is connected with peripheral hardware auxiliary pedal (5), the bottom surface of peripheral hardware auxiliary pedal (5) and the top surface of the former footboard (11) of piano are fixed respectively and are pasted distance sensor (14) and location sight (12), the bottom surface of elastic expansion rod (15) and the mutual butt of top surface of peripheral hardware auxiliary pedal (5), the inboard fixed mounting of installation fixed box (2), lift cover box (3) has lead screw elevating system (19).

2. An adjustable height piano pedal assist device as claimed in claim 1, wherein: vertical piano main part (1) fixed surface pastes lift control panel (6), the output of lift control panel (6) and the input electric connection of lead screw elevating system (19), the input of lift control panel (6) and the output electric connection of distance sensor (14), lift control panel (6) surface is equipped with digital display and control button.

3. An adjustable height piano pedal assist device as claimed in claim 1, wherein: hoist and mount support (17), linear bearing (16), elastic telescopic rod (15) arrange in the inboard of footboard mounting box (4) from a left side to the right side in proper order, the maximum extension of elastic telescopic rod (15) is greater than the biggest radian of pressing down of former footboard (11) of piano, the static length of elastic telescopic rod (15) equals the length of hoist and mount support (17).

4. An adjustable height piano pedal assist device as claimed in claim 1, wherein: hoist pinhole (52) have been seted up on the surface of peripheral hardware auxiliary pedal (5), the inside fixed mounting of hoist pinhole (52) has hoisting pin (53), hoist and mount support (17) are including hoisting rod (171), hoist and mount piece (172), the bottom of hoisting rod (171) is rotated with the top of hoist and mount piece (172) and is connected, round pin through-hole (173) have been seted up to the inside of hoist and mount piece (172), hoist and mount piece (172) cup joint in the surface of hoisting pin (53) through round pin through-hole (173).

5. An adjustable height piano pedal assist device as claimed in claim 1, wherein: lifting sleeve grooves (54) have been seted up on the surface of peripheral hardware supplementary footboard (5), transmission latch (71) have been seted up on the surface of transmission card strip (7), transmission latch (71) are from the vertical surface that runs through peripheral hardware supplementary footboard (5) in the inside of lifting sleeve grooves (54), the inner wall movable mounting of lifting sleeve grooves (54) has spring catch (55), the inboard mutual butt of spring catch (55) and transmission latch (71).

6. An adjustable height piano pedal assist device as claimed in claims 1, 5, wherein: the transmission latch (71) is of a sawtooth structure, the upper surface and the lower surface of the transmission latch (71) and the upper surface and the lower surface of the spring pin (55) are of a plane structure, the end part of the spring pin (55) is provided with a sharp head, and the width of the lifting sleeve groove (54) is smaller than the sum of the width of the transmission clamping strip (7) and the length of the spring pin (55).

7. An adjustable height piano pedal assist device as claimed in claim 1, wherein: the surface of the pedal mounting box (4) is provided with a pedal slot (51), the end part of the peripheral auxiliary pedal (5) extends to the outer side of the pedal mounting box (4) through the pedal slot (51), the shape and size of the peripheral auxiliary pedal (5) are the same as those of an original pedal (11) of a piano, one side of the lifting sleeve box (3) is fixedly adhered with a supporting foot platform (18), and the surface of the supporting foot platform (18) and the top surface of the lifting sleeve box (3) are located on the same horizontal plane.

8. An adjustable height piano pedal assist device as claimed in claim 1, wherein: lead screw elevating system (19) are including equipment platform (191), double-end motor (192), driving tooth (193), screw sleeve tooth (194) and lift lead screw (195), the inner wall fixed connection of one side and the fixed box (2) of installation of equipment platform (191), the top of lift lead screw (195) and the top surface fixed connection of lift cover box (3) inner chamber, driving tooth (193) with fix the cover connect in the output of double-end motor (192) and with screw sleeve tooth (194)) intermeshing, the thread groove with lift lead screw (195) looks adaptation is seted up to the inboard of screw sleeve tooth (194), screw sleeve tooth (194) cup joint in the surface of lift lead screw (195), the bottom surface of screw sleeve tooth (194) is connected with the top surface rotation of equipment platform (191), the screw thread of both ends lift lead screw (195) is opposite.

Technical Field

The invention relates to the technical field of piano auxiliary mechanisms, in particular to a piano pedal auxiliary device with adjustable height.

Background

A piano, which is a keyboard instrument, pulls hammers with keys to strike strings, has been the most important family keyboard instrument in europe and the united states since the end of the eighteenth century, and generally has three pedals, namely: the middle pedal has the function of weakening sound, the pedal is frequently used for playing in a family piano practice, the four neighbors are prevented from being influenced too much, the left pedal is also called as a mute pedal or a soft pedal, the volume can be weakened, the tone color can be changed, the right pedal is also called as a strong pedal, and the music can be prolonged and the sound effect can be enhanced.

With the popularization of instruments such as a piano, people pay more and more attention to the cultivation of interest of music, the piano also becomes one of important instruments that many music enthusiasts are interested in cultivating, but due to different physical qualities of individuals, people with different heights often have feet short of piano pedals during exercise, and thus, the learning of the pianos of people with different heights is difficult. At present, but height-adjusting's piano footboard device generally adopts the electric control structure who changes the particular structure on the market, mainly includes footboard replacement slider and electric putter, utilizes the replacement slider with the original footboard replacement of piano, sets up height-adjusting's foot switch electric connection electric putter, utilizes control electric putter's mode to realize the operation of pressing to the piano footboard, the fine problem of the inconvenient altitude mixture control of original footboard of having solved of this structure.

But the mode that traditional signal of telecommunication goes on has the signal delay nature that can't compensate, and some high-end music professionals can't carry out perfect music creation and experience, and the original sense of touch of trampling of piano footboard can't be restoreed to the electric control structure, uses experience effect extremely poor, and it is troublesome to replace the footboard dismouting, destroys original piano structure.

It is therefore desirable to provide a height adjustable piano pedal assist device that does not delay and is user friendly.

Disclosure of Invention

In order to overcome the above defects in the prior art, embodiments of the present invention provide a height-adjustable piano pedal auxiliary device, in which a mechanical transmission structure is provided, the same peripheral auxiliary pedal structure is installed in a lifting sleeve, and the force of a human body pressing the peripheral auxiliary pedal is transmitted to the original piano pedal by pressing the peripheral auxiliary pedal through a driving clamping strip and a driving ball rod, so that the mechanical transmission structure has no delay compared with the conventional electric structure, the control in the music creation process is smoother, and the creation experience of a user is improved; in addition, the height adjusting device is installed in a contact mode with the original pedal of the piano by arranging the independent lifting device and utilizing an external member, the height adjusting device can be easily installed only by placing the height adjusting device on the front side of the original pedal, the original piano structure is not changed, the original piano surface structure is not damaged, and the height adjusting device is convenient for different people to use, so that the problems in the background art are solved.

In order to achieve the purpose, the invention provides the following technical scheme: a height-adjustable piano pedal auxiliary device comprises an upright piano main body and an installation fixing box, wherein a piano original pedal is arranged on the front side of the upright piano main body, a lifting sleeve box is movably sleeved on the surface of the installation fixing box, a pedal installation box is fixedly installed on the top surface of the lifting sleeve box, a linear bearing is embedded and installed on the top surface of the pedal installation box, a transmission clamping strip is sleeved in the linear bearing in a sliding manner, a transmission ball sleeve is welded at the bottom end of the transmission clamping strip, a ball head connecting piece is sleeved in the transmission ball sleeve in a rotating manner, a transmission ball rod is welded at the bottom end of the ball head connecting piece, a pressing transmission block is fixedly installed at the bottom end of the transmission ball rod, the bottom surface of the pressing transmission block is in friction connection with the top surface of the piano original pedal, a hoisting support and an elastic telescopic rod are fixedly installed on the top surface of an inner cavity of, the bottom surface of peripheral hardware supplementary footboard and the top surface of the former footboard of piano are fixed respectively and are pasted distance sensor and location sight, the bottom surface of elasticity telescopic link and the mutual butt of top surface of peripheral hardware supplementary footboard, the inboard fixed mounting of installation fixed box, lift cover box has lead screw elevating system.

In a preferred embodiment, a lifting control panel is fixedly adhered to the surface of the upright piano body, the output end of the lifting control panel is electrically connected with the input end of the screw rod lifting mechanism, the input end of the lifting control panel is electrically connected with the output end of the distance sensor, and a digital display and a control button are arranged on the surface of the lifting control panel.

In a preferred embodiment, the hoisting support, the linear bearing and the elastic telescopic rod are sequentially arranged on the inner side of the pedal mounting box from left to right, the maximum extension of the elastic telescopic rod is greater than the maximum pressing radian of the original pedal of the piano, and the static length of the elastic telescopic rod is equal to the length of the hoisting support.

In a preferred embodiment, the surface of the peripheral hardware auxiliary pedal is provided with a hoisting pin hole, the interior of the hoisting pin hole is fixedly provided with a hoisting pin, the hoisting support comprises a hoisting rod and a hoisting block, the bottom end of the hoisting rod is rotatably connected with the top end of the hoisting block, the interior of the hoisting block is provided with a rotating pin through hole, and the hoisting block is sleeved on the surface of the hoisting pin through the rotating pin through hole.

In a preferred embodiment, a lifting sleeve groove is formed in the surface of the peripheral auxiliary pedal, a transmission latch is formed in the surface of the transmission clamping strip, the transmission latch vertically penetrates through the surface of the peripheral auxiliary pedal from the inside of the lifting sleeve groove, a spring pin is movably mounted on the inner wall of the lifting sleeve groove, and the spring pin is abutted to the inner side of the transmission latch.

In a preferred embodiment, the transmission latch is of a sawtooth structure, the upper and lower surfaces of the transmission latch and the spring pin are of a plane structure, the end of the spring pin is provided with a sharp head, and the width of the lifting sleeve groove is smaller than the sum of the width of the transmission clamping strip and the length of the spring pin.

In a preferred embodiment, the pedal mounting box is provided with a pedal slot on a surface thereof, an end of the external auxiliary pedal extends to an outer side of the pedal mounting box through the pedal slot, the external auxiliary pedal has a shape and a size the same as those of an original pedal of a piano, a supporting footstool is fixedly attached to one side of the lifting sleeve box, and the surface of the supporting footstool and the top surface of the lifting sleeve box are located on the same horizontal plane.

In a preferred embodiment, lead screw elevating system includes equipment platform, double-end motor, driving gear, thread sleeve tooth and lift lead screw, the inner wall fixed connection of the fixed box of one side and installation of equipment platform, the top of lift lead screw and the top surface fixed connection of lift cover box inner chamber, driving gear with fix cup joint in double-end motor's output and with thread sleeve tooth) intermeshing, the thread groove with lift lead screw looks adaptation is seted up to the inboard of thread sleeve tooth, the thread sleeve tooth cup joints in the surface of lift lead screw, the bottom surface of thread sleeve tooth is connected with the top surface rotation of equipment platform, the screw thread of both ends lift lead screw is opposite.

The invention has the technical effects and advantages that:

1. according to the invention, the mechanical transmission structure is arranged, the same external auxiliary pedal structure is installed in the lifting sleeve, the force of a human body for treading the external auxiliary pedal is transmitted to the original pedal of the piano by treading the external auxiliary pedal through the transmission clamping strip and the transmission ball rod, and compared with the traditional electric structure, the mechanical transmission structure has no delay, so that the control in the music creation process is smoother, and the creation experience of a user is improved;

2. according to the invention, the independent lifting device is arranged, the height adjusting device and the original pedal of the piano are installed in a contact manner by using an external member, the height adjusting device can be easily installed by only placing the height adjusting device on the front side of the original pedal, the original piano structure is not changed, the original piano surface structure is not damaged, and the height adjusting device is convenient for different people to use.

3. According to the invention, through arranging the automatic height adjusting device, the height change of the height adjusting device is automatically controlled by utilizing the electric lead screw structure, one-key control is realized, the adjusting precision of the lead screw structure is low, the lead screw structure can be accurately adjusted according to the use habits of users to reach the optimal operation height, the use experience of each user is further improved, and the practicability of the device is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the appearance structure of the present invention.

Fig. 3 is a schematic view of the internal transmission structure of the present invention.

Fig. 4 is a schematic structural diagram of fig. 3A according to the present invention.

FIG. 5 is a schematic view of the installation structure of the peripheral auxiliary pedal of the present invention.

Fig. 6 is a schematic structural view of the screw lifting mechanism of the present invention.

The reference signs are: 1. an upright piano main body; 2. installing a fixed box; 3. a lifting sleeve box; 4. a pedal mounting box; 5. an auxiliary pedal is arranged outside; 6. a lifting control panel; 7. a transmission clamping strip; 8. a drive ball sleeve; 9. a ball head connecting piece; 10. a drive shaft; 11. a piano original pedal; 12. positioning the sight bead; 13. the transmission block is pressed; 14. a distance sensor; 15. an elastic telescopic rod; 16. a linear bearing; 17. hoisting a support; 18. a support foot platform; 19. a screw rod lifting mechanism; 51. grooving the pedal; 52. hoisting pin holes; 53. hoisting pins; 54. a lifting sleeve groove; 55. a spring pin; 71. a transmission latch; 171. hoisting the rod; 172. hoisting the blocks; 173. a pivot pin through hole; 191. an equipment platform; 192. a double-headed motor; 193. a transmission gear; 194. thread sleeve teeth; 195. and a lifting screw rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The height-adjustable piano pedal auxiliary device shown in the attached drawings 1 to 6 comprises an upright piano main body 1 and a mounting and fixing box 2, wherein a piano original pedal 11 is arranged on the front side of the upright piano main body 1, a lifting sleeve box 3 is movably sleeved on the surface of the mounting and fixing box 2, a pedal mounting box 4 is fixedly mounted on the top surface of the lifting sleeve box 3, a linear bearing 16 is embedded in the top surface of the pedal mounting box 4, a transmission clamping strip 7 is sleeved inside the linear bearing 16 in a sliding manner, a transmission ball sleeve 8 is welded at the bottom end of the transmission clamping strip 7, a ball head connecting piece 9 is sleeved inside the transmission ball sleeve 8 in a rotating manner, a transmission ball rod 10 is welded at the bottom end of the ball head connecting piece 9, a pressing transmission block 13 is fixedly mounted at the bottom end of the transmission ball rod 10, the bottom surface of the pressing transmission block 13 is in friction connection with the top surface of the piano original, The bottom end of the elastic telescopic rod 15 and the hoisting support 17 is rotatably connected with a peripheral auxiliary pedal 5, the bottom surface of the peripheral auxiliary pedal 5 and the top surface of the original piano pedal 11 are respectively and fixedly attached with a distance sensor 14 and a positioning sight 12, the bottom surface of the elastic telescopic rod 15 is mutually abutted with the top surface of the peripheral auxiliary pedal 5, and a screw rod lifting mechanism 19 is fixedly mounted on the inner sides of the fixed mounting box 2 and the lifting sleeve box 3.