CN115019601A - A auxiliary device for piano teaching - Google Patents

Abstract

The invention discloses an auxiliary device for piano teaching, which comprises two supports, wherein rotating frames are rotatably arranged on the upper parts of the two supports, a shell is connected between the two rotating frames, an installation shell is arranged on the top of the shell, an installation plate is arranged in the installation shell, an installation frame is arranged on the top of the shell, a clamping and fixing component is arranged between the installation shell and the installation plate, the clamping and fixing component is in sliding connection with the installation frame, a turning component is arranged on the upper part of the installation plate, a flapping component is arranged on the left part of the installation plate, the flapping component is in transmission fit with the turning component, and a page turning component is arranged in the shell. The clamping and fixing assembly is used for limiting and fixing the music book, and the page turning work of the music book is completed through the matching of the turning assembly, the flapping assembly and the page turning assembly without the turning of users, so that the interruption of the teaching process is avoided, and the playing process is smoother.

Description

A auxiliary device for piano teaching

Technical Field

The invention relates to the technical field of teaching assistance, in particular to an auxiliary device for piano teaching.

Background

When the piano teaching, place the music book on the piano usually, the user of service then plays the teaching according to the syllable on the music book, and the syllable on the music book is played the in-process, need the user of service to turn over the page of music book, because the music book is more directly placed on the piano, it is fixed not press from both sides tightly to it, turn over the page in-process to the music book, cause the music book landing easily, and turn over the in-process of page at the music book, need turn over the page to the left side and fixed, otherwise the page can swing the right under the special circumstances and reset, cause the cover of follow-up chapter, cause the piano teaching of follow-up chapter can't carry out, and at the in-process of teaching, because do not indicate to the syllable of playing, can cause the in-process in teaching, the student is difficult to following up with the teaching process, cause the efficiency of teaching low.

Disclosure of Invention

The invention aims to design an auxiliary device for piano teaching, which solves the problems in the background technology.

In order to achieve the purpose of the invention, the invention adopts the technical scheme that: an auxiliary device for piano teaching comprises two supports, wherein the two supports are arranged, rotating frames are rotatably arranged on the upper portions of the two supports, two supporting legs for supporting and fixing are arranged on the lower portions of the supports, the two supports are placed on a piano, a shell is connected between the two rotating frames, an inward-protruding extending plate is arranged on the upper portion of the shell, a mounting shell is arranged at the top of the shell, the mounting shell is of a frame structure with an opening facing the front, a mounting plate is arranged in the mounting shell, a mounting frame is arranged at the top of the shell, a sliding groove for guiding is formed in the rear portion of the mounting frame, a clamping and fixing assembly is arranged between the mounting shell and the mounting plate and used for fixing a music book, the clamping and fixing assembly is slidably connected with the mounting frame, a turning assembly is arranged on the upper portion of the mounting plate and used for turning the music book, a flapping assembly is arranged on the left portion of the mounting plate, the flapping component is used for positioning the music book after page turning, the flapping component is in transmission fit with the turning component, the page turning component is installed in the shell and used for turning pages of the music book, the clamping and fixing component is used for fixedly clamping the music book, the turning component twists the music book and turns the pages of the music book through the page turning component, and the flapping component is used for positioning the music book after page turning.

More preferably, the clamping and fixing component comprises a first driving member, the first driving member is mounted in the middle of the mounting shell, an output shaft of the first driving member penetrates through the mounting plate and is rotatably connected with the mounting plate, a first transmission gear is mounted on the output shaft of the first driving member, a contact switch is arranged in the middle of the front side surface of the mounting frame and is electrically connected with the first driving member, moving frames are arranged on the left and right parts of the mounting frame in a sliding manner, a plurality of teeth are arranged on each moving frame and are respectively meshed with the first transmission gear, a positioning frame is arranged on each mounting frame, two connecting plates are mounted on two side walls of the mounting frame, a first guide rod is arranged on each connecting plate in a sliding manner, a moving plate is connected between the two first guide rods on the same side, a first spring is fixedly connected between each moving plate and the adjacent connecting plate, and a plurality of first springs are respectively wound on the outer sides of the adjacent first guide rods, and each moving plate is provided with a fixing piece, the fixing pieces are connected with adjacent positioning frames, and the fixing pieces are used for fixing pages of the music book.

More preferably, the mounting is including the articulated slab, the articulated slab is equipped with two, two articulated slabs are the upper and lower two of rotary type setting at the movable plate respectively, the swing board is installed to the equal rotary type in upper and lower two of every locating rack, every swing board rotates with adjacent articulated slab respectively and is connected, a word hole has all been seted up on every swing board, the second guide arm is all installed at the upper and lower both ends of locating rack, it pushes down the frame to slide to be equipped with between two second guide arms of homonymy, every pushes down the frame respectively and has two springs with the rigid coupling between the adjacent locating rack, four springs wind respectively in the adjacent second guide arm outside, all be connected with two pins on every pushes down the frame, two pins of every pushes down the frame slide respectively and set up a word hole on adjacent swing board.

More preferably, the turning assembly comprises a second driving member, the second driving member is arranged on the rear wall of the installation shell, the second driving member is positioned on the upper side of the first driving member, a second transmission gear is arranged at the output end of the second driving member, a first rack is arranged on the rear side surface of the installation plate in a sliding manner, the first rack is formed by combining two toothed plates and a vertical plate, upper toothed plate teeth of the first rack are meshed with the second transmission gear towards the upper side, a first fixing frame is connected to the right side surface of the installation plate, a first protection shell is arranged on the first fixing frame, the right part of the first rack penetrates through the installation shell and the first protection shell and is in sliding connection with the installation shell and the first protection shell, a first straight gear is rotatably arranged at the rear part of the first fixing frame through a shaft rod and is positioned in the first protection shell, lower toothed plate teeth of the first rack are meshed with the first straight gear towards the rear side, a rotary rod is rotatably connected to the front part of the first fixing frame, the rotating rod is in transmission connection with a shaft rod of the first straight gear through a belt wheel and a belt, the connecting shaft is rotatably mounted at the left part of the first fixing frame, the twisting piece is rotatably mounted on the connecting shaft of the first fixing frame, and the twisting piece is used for twisting pages on the right side of the music book to facilitate page turning.

More preferably, the rubbing part comprises a swing frame, the swing frame is formed by combining two transverse plates and a round rod, the two transverse plates of the swing frame are rotatably mounted at the upper end and the lower end of a connecting shaft of the first fixing frame respectively, two torsional springs are sleeved on the connecting shaft of the first fixing frame, two ends of each torsional spring are connected with the first fixing frame and the swing frame respectively, the connecting shaft of the first fixing frame is connected with the rotating rod through a belt wheel and a belt in a transmission manner, a turning wheel is rotatably mounted on the round rod of the swing frame, and the turning wheel is connected with the connecting shaft of the first fixing frame through the belt wheel and the belt in a transmission manner.

More preferably, the turning wheel is provided with a plurality of bulges in the anticlockwise direction and is used for twisting the music book page by the rotation of the turning wheel.

More preferably, the flapping assembly comprises a second rack, the second rack is slidably disposed on the rear side of the mounting plate, the second rack is formed by combining two toothed plates and a vertical plate, upper toothed plate teeth of the second rack are engaged with the second transmission gear towards the lower side, the left side of the mounting plate is connected with a second fixing frame, a second protective shell is mounted on the second fixing frame, the left part of the second rack penetrates through the mounting shell and the second protective shell and is slidably connected with the mounting shell and the second protective shell, the rear part in the second protective shell is connected with a second straight gear through a shaft rod in a rotating manner, lower toothed plate teeth of the second rack are engaged with the second straight gear towards the rear side, a rotating roller is rotatably mounted on the front part of the second fixing frame, the rotating roller is connected with the shaft rod of the second straight gear through a belt wheel and a belt in a transmission manner, a rectangular groove is formed in the right part of the second fixing frame, a rack plate is disposed on the front wall in the rectangular groove, the straight hole that runs through from top to bottom is seted up to the right part of second mount, a straight hole and rectangular channel intercommunication on the second mount, and the slip is equipped with in the straight hole of second mount and beats the wheel, beats the upper and lower both ends of wheel and all is equipped with spacing dish, is equipped with the bolster on the second mount, and the bolster is connected with the live-rollers and beats the wheel respectively, and the bolster is used for patting the wheel and removes the restoration, patts the wheel and beats a combination by circular dish and a plurality of and form.

More preferably, the buffer part comprises two third straight gears, the two third straight gears are respectively connected to the upper side and the lower side of the beating wheel, the third straight gears are respectively meshed with the rack plates on the second fixing frame, the bottom of the second fixing frame is connected with a connecting block, a third guide rod is arranged on the connecting block in a sliding mode, a connecting sleeve is arranged at the right part of the third guide rod, the connecting sleeve of the third guide rod is rotatably connected with the lower portion of the beating wheel, a second spring is sleeved on the outer side of the third guide rod, two ends of the second spring are fixedly connected with the connecting sleeve and the connecting block of the third guide rod respectively, a pull rope is connected to the rotating roller, and the pull rope is fixedly connected with the upper portion of the beating wheel.

More preferably, the page turning subassembly is including the connection pad, the connection pad rigid coupling is in the bottom of casing, the annular frame is installed to the medial surface of connection pad, the medial surface of annular frame is equipped with a plurality of arch, install the third driving piece between the arch of a plurality of on the annular frame, install the pivot on the output shaft of third driving piece, the mounting disc is installed to the upper end rotary type of pivot, the mounting disc forms the arc clearance that is used for the direction with the extension board cooperation of casing, the side of going up of mounting disc is connected with the stopper, the side rigid coupling that goes up of annular frame has special-shaped plate, the height of special-shaped plate becomes low to both sides gradually by the middle part, install two fixed plates in the pivot, it is equipped with the contact lever to slide between two fixed plates, the contact lever slidingtype sets up in the arc clearance that mounting disc and casing formed, the cover has the third spring on the contact lever, the both ends of third spring respectively with the fixed plate rigid coupling of contact lever and upside.

More preferably, the syllable-dividing electronic musical instrument further comprises a prompting component, the prompting component is installed between the tops of the installation shell and the installation rack, the prompting component is used for prompting played syllables, the prompting component comprises a connecting frame, the connecting frame is fixedly connected between the tops of the installation shell and the installation rack, a sliding frame is rotatably installed on the upper portion of the connecting frame, cavities are formed in the left portion and the right portion of the sliding frame respectively, two fourth driving parts are installed on the top portion in the sliding frame, an output shaft of each fourth driving part penetrates through the front portion of the sliding frame, a third transmission gear is installed on an output shaft of each fourth driving part, the two third transmission gears are located in the two cavities of the sliding frame respectively, rack rods are arranged in the two cavities of the sliding frame in a sliding mode, each rack rod is meshed with the adjacent third transmission gear respectively, an irradiation instrument is arranged on the upper portion of each rack rod, and a intonation identifier is arranged on the irradiation instrument.

The invention with the structure has the following beneficial effects: the clamping and fixing component is used for limiting and fixing a music book, the two moving frames are closed, the lower pressing frame is further moved backwards to limit and fix the left side and the right side of the music book, page turning work on pages of the music book is completed through the matching of the turning component, the flapping component and the page turning component, page turning work on the pages on the right side of the music book is completed through the rotation of the turning wheel, the contact rod is moved upwards and rotates clockwise to turn the rubbed pages to the left, the flapping wheel rotates to flap the pages turning to the left downwards, the pages on the right side are turned to the left side of the music book, through the actions, page turning on the pages of the music book is completed, a user does not need to actively turn, stopping and breaking in the teaching process is avoided, and the playing process is smoother; through the suggestion subassembly, utilize to shine the appearance and shine light on the syllable that corresponds, make things convenient for the user of service to teach according to corresponding syllable, make teaching work more smooth, avoid teaching the in-process of playing to forget or can not find corresponding note.

Drawings

Fig. 1 is a perspective view showing a use state of the present invention.

Fig. 2 is a perspective view of the present invention.

Fig. 3 is a cross-sectional perspective view of the clamping fixture assembly of the present invention.

Fig. 4 is an enlarged partial perspective view of the clamping fixture assembly of the present invention.

Fig. 5 is a perspective view of the flip assembly and the flapping assembly of the present invention.

Fig. 6 is a partial perspective view of the flip assembly of the present invention.

Fig. 7 is a partial perspective view of the flapping assembly of the present invention.

FIG. 8 is a perspective view of a flapping wheel of the flapping assembly of the present invention.

FIG. 9 is a perspective view of the page turning assembly of the present invention.

Fig. 10 is a perspective view of a profile plate of the page turning assembly of the present invention.

FIG. 11 is a perspective view of a cue assembly of the present invention.

Fig. 12 is a perspective view of a rack bar of the reminder assembly of the invention.

Number designation in the figures: 1. piano, 2, support, 3, rotating frame, 4, shell, 5, mounting shell, 51, mounting plate, 6, mounting rack, 7, clamping and fixing component, 701, first driving component, 702, first transmission gear, 703, contact switch, 704, moving frame, 705, positioning frame, 706, connecting plate, 707, first guide rod, 708, moving plate, 709, first spring, 710, hinge plate, 711, swing plate, 712, second guide rod, 713, lower pressing frame, 8, flipping component, 801, second driving component, 802, second transmission gear, 803, first rack frame, 804, first fixing frame, 805, first protecting shell, 806, first straight gear, 807, swing frame, 808, flipping wheel, 9, flapping component, 901, second rack frame, 902, second fixing frame, 903, second protecting shell, 904, second straight gear, 905, rotating roller, 906, flapping wheel, 907, third straight gear, 908. the device comprises a connecting block, 909, a third guide rod, 910, a second spring, 911, a pull rope, 10, a page turning assembly, 101, a connecting disc, 102, an annular frame, 103, a third driving piece, 104, a rotating shaft, 105, a mounting disc, 106, a special-shaped plate, 107, a fixing plate, 108, a contact rod, 109, a third spring, 11, a prompting assembly, 111, a connecting frame, 112, a sliding frame, 113, a fourth driving piece, 114, a third transmission gear, 115, a rack rod, 116 and an irradiation instrument.

Detailed Description

The auxiliary device for piano teaching of the present invention is described in more detail below in the detailed description of the preferred embodiments with reference to the accompanying drawings. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1

An auxiliary device for piano teaching, as shown in fig. 1-10, comprises two brackets 2, two brackets 2 are provided, rotating frames 3 are rotatably mounted on the upper portions of the two brackets 2, two supporting legs for supporting and fixing are provided on the lower portion of the brackets 2, the two brackets 2 are placed on a piano 1, a housing 4 is connected between the two rotating frames 3, an extending plate protruding inwards is provided on the upper portion of the housing 4, a mounting shell 5 and a mounting frame 6 are mounted on the top of the housing 4, the mounting shell 5 is of a frame structure with an opening towards the front, a sliding groove for guiding is provided on the rear portion of the mounting frame 6, the mounting frame 6 is positioned on the front side of the mounting shell 5, a mounting plate 51 is mounted in the middle portion of the mounting shell 5, a clamping and fixing component 7 is provided between the mounting shell 5 and the mounting plate 51, the clamping and fixing component 7 is slidably connected with the mounting frame 6, a flipping component 8 and a flapping component 9 are mounted on the upper portion of the mounting plate 51, the flapping component 9 is in transmission fit with the turning component 8, the page turning component 10 is installed in the shell 4, the clamping and fixing component 7 is used for clamping and fixing the music book, the phenomenon that piano teaching performance is stopped due to the fact that the music book slides down in the page turning process is prevented, the turning component 8 rubs the page on the right side of the music book, the rubbed page is turned leftwards through the page turning component 10, the page after page turning is located through the flapping component 9, page turning of the music book page is completed through the mode, a user does not need to turn the page of the music book, the piano teaching cannot be stopped due to the fact that the music book is turned, and teaching efficiency is improved.

As shown in fig. 3 and 4, the clamping and fixing assembly 7 includes a first driving member 701, the first driving member 701 is installed in the middle of the installation shell 5, the first driving member 701 employs a reduction motor, an output shaft of the first driving member 701 passes through the installation plate 51 and is rotatably connected therewith, a first transmission gear 702 is installed on the output shaft of the first driving member 701 through a key, a contact switch 703 is installed in the middle of the front side of the installation frame 6, the contact switch 703 is electrically connected with the first driving member 701, moving frames 704 are slidably installed on the left and right portions of the installation frame 6, each moving frame 704 is provided with a plurality of teeth engaged with the first transmission gear 702, after a music score is touched by the contact switch 703, the contact switch 703 starts the first driving member 701 to rotate the first transmission gear 702, the two moving frames 704 are close under the transmission of the first transmission gear 702, each installation frame 6 is provided with a positioning frame 705, two connecting plates 706 are mounted on two side walls of the mounting rack 6, a first guide rod 707 is slidably arranged on each connecting plate 706, a moving plate 708 is connected between the two first guide rods 707 on the same side, a first spring 709 is sleeved on the outer side of each first guide rod 707, two ends of each first spring 709 are fixedly connected with the connecting plates 706 adjacent to the adjacent moving plate 708, the two moving plates 708 are close to each other to clamp and limit two sides of the music book, a hinged plate 710 is rotatably mounted on the upper and lower parts of each moving plate 708, a swinging plate 711 is rotatably mounted on the upper and lower parts of each positioning rack 705, the rear part of each swinging plate 711 is rotatably connected with the adjacent hinged plate 710, a straight hole is formed in the front part of each swinging plate 711, second guide rods 712 are mounted on the upper and lower ends of the positioning rack 705, a lower pressing rack 713 is slidably arranged between the two second guide rods 712 on the same side, and a spring is sleeved on each second guide rod 712, two ends of the spring are fixedly connected with the adjacent lower pressing frame 713 and the adjacent positioning frame 705 respectively, pin rods are connected to the upper portion and the lower portion of each lower pressing frame 713, the two pin rods of each lower pressing frame 713 are arranged in the word holes in the adjacent swinging plate 711 in a sliding mode respectively, after the two moving plates 708 are close to contact with two sides of a music score, the two moving plates 708 move to close continuously, the swinging plate 711 swings through the hinged plate 710, the word holes in the swinging plate 711 are matched with the pin rods of the lower pressing frames 713, the lower pressing frames 713 move backwards to clamp the music score on the mounting frame 6, clamping and fixing of the music score are completed, and the music score is prevented from sliding off in the page turning process.

As shown in fig. 5 and 6, the flipping module 8 includes a second driving member 801, the second driving member 801 is mounted on a rear wall of the mounting housing 5 on an upper side of the first driving member 701, the second driving member 801 adopts a servo motor, a second transmission gear 802 is mounted on an output end of the second driving member 801 through a key, a first rack 803 is slidably disposed on a right portion of a rear side of the mounting plate 51, the first rack 803 is located on a lower side of the second transmission gear 802, the first rack 803 is formed by combining two toothed plates and a vertical plate, teeth on the upper toothed plate of the first rack 803 are engaged with the second transmission gear 802 toward an upper side, a first fixing frame 804 is connected to a right side of the mounting plate 51 through bolts, a first protection housing 805 is welded to the first fixing frame 804, a right portion of the first rack 803 passes through and is slidably connected to the mounting housing 5 and the first protection housing 805, a first straight gear 806 is rotatably mounted on a rear portion of the first fixing frame 804 through a shaft, the first straight gear 806 is positioned in the first protective shell 805, the lower toothed plate teeth of the first rack 803 are meshed with the first rack 803 towards the rear side, the front part of the first fixed frame 804 is rotatably connected with a rotating rod, the rotating rod is in transmission connection with a shaft rod of the first straight gear 806 through a belt wheel and a belt, the left part of the first fixed frame 804 is rotatably provided with a connecting shaft, the left part of the first fixed frame 804 is provided with a swing frame 807, the swing frame 807 is formed by combining two transverse plates and a circular rod, the two transverse plates of the swing frame (807) are respectively rotatably connected with the upper end and the lower end of the connecting shaft of the first fixed frame 804, the connecting shaft of the first fixed frame 804 is rotatably provided with a swing frame, the connecting shaft of the first fixed frame 804 is sleeved with two torsion springs, the two ends of each torsion spring 807 are respectively connected with the first fixed frame 804 and the swing frame 807, the connecting shaft of the first fixed frame 804 is in transmission connection with the rotating rod through the belt wheel and the belt, a turning wheel 808 is rotatably mounted on a circular rod of the swing frame 807, a plurality of protrusions are arranged on the turning wheel 808 in the counterclockwise direction and used for twisting the music book pages when the turning wheel 808 rotates, the turning wheel 808 is connected with a connecting shaft of the first fixing frame 804 through a belt wheel and a belt in a transmission manner, the first rack 803 moves and drives the first straight gear 806 to rotate, the first straight gear 806 rotates through the belt wheel and the belt in a transmission manner, so that the turning wheel 808 rotates, the turning wheel 808 rotates to twist the right book pages on the music book in the counterclockwise direction when viewed from a top view, so that the uppermost book pages on the right side of the music book are bent upwards, and the uppermost book pages after bending are turned leftwards through the page turning assembly 10, thereby completing the page turning work.

As shown in fig. 5, 7 and 8, the flapping assembly 9 includes a second rack 901, the second rack 901 is slidably disposed at the left portion of the rear side surface of the mounting plate 51, the second rack 901 is located at the upper side of the second transmission gear 802, the second rack 901 is formed by combining two toothed plates and a vertical plate, upper toothed plate teeth of the second rack 901 are engaged with the second transmission gear 802 towards the lower side, the left side surface of the mounting plate 51 is connected with a second fixing frame 902 through bolts, a second protecting shell 903 is mounted on the second fixing frame 902, the left portion of the second rack 901 passes through the mounting shell 5 and the second protecting shell 903 and is slidably connected with the two, the rear portion inside the second protecting shell 903 is rotatably connected with a second spur gear 904 engaged with the second rack 901 through a shaft rod, a rotating roller 905 is rotatably mounted at the front portion of the second fixing frame 902, the rotating roller 905 and the shaft rod of the second spur gear 904 are in transmission connection through a pulley and a belt, the right part of the second fixing frame 902 is provided with a rectangular groove, the front wall in the rectangular groove is provided with a rack plate, the right part of the second fixing frame 902 is provided with a straight hole which penetrates up and down, the straight hole on the second fixing frame 902 is communicated with the rectangular groove, a flapping wheel 906 is arranged in the straight hole of the second fixing frame 902 in a sliding way, the flapping wheel 906 is formed by combining a circular disc and a plurality of flapping blocks, the upper end and the lower end of the flapping wheel 906 are respectively provided with a limiting disc, the upper part and the lower part of the flapping wheel 906 are respectively provided with a third straight gear 907 engaged with the rack plate on the second fixing frame 902, the bottom of the second fixing frame 902 is connected with a connecting block 908, a third guide rod 909 is arranged on the connecting block 908 in a sliding way, the right part of the third guide rod 909 is provided with a connecting sleeve, the connecting sleeve of the third guide rod 909 is rotatably connected with the lower part of the flapping wheel 906, a second spring 910 is fixedly connected between the connecting sleeve of the third guide rod 909 and the connecting block 908, and the second spring 910 is sleeved on the outer side of the third guide rod 909, the rotating roller 905 is connected with a pull rope 911, the pull rope 911 is fixedly connected with the upper part of the beating wheel 906, the second rack 901 moves and drives the second straight gear 904 to rotate, the rotating roller 905 rotates to wind the pull rope 911 through belt wheel and belt transmission, the beating wheel 906 moves leftwards and is matched with the rack plate on the second fixing frame 902 through the third straight gear 907 on the beating wheel, the beating wheel 906 moves leftwards and rotates, pages after page turning are beaten downwards, fixing work of the pages after page turning is completed, and page turning reset under the action of external force is avoided.

As shown in fig. 9 and 10, the page turning assembly 10 includes a connecting pad 101, the connecting pad 101 is fixedly connected to the bottom of the casing 4, an annular frame 102 is installed on the inner side surface of the connecting pad 101, a plurality of protrusions are arranged on the inner side surface of the annular frame 102, a third driving member 103 is installed between the protrusions on the annular frame 102, the third driving member 103 adopts a stepping motor, a rotating shaft 104 is installed on an output shaft of the third driving member 103, a mounting disc 105 is rotatably installed on the upper end of the rotating shaft 104, the mounting disc 105 cooperates with an extending plate of the casing 4 to form an arc-shaped gap for guiding, a limiting block is connected to the upper side surface of the mounting disc 105, the limiting block on the mounting disc 105 is used for limiting the music score to prevent the music score from sliding off during the fastening process, a special-shaped plate 106 is fixedly connected to the upper side surface of the annular frame 102, the height of the special-shaped plate 106 gradually decreases from the middle to both sides, two fixing plates 107 are installed on the rotating shaft 104, the contact rod 108 is arranged between the two fixing plates 107 in a sliding mode, the contact rod 108 is arranged in an arc-shaped gap formed by the mounting disc 105 and the shell 4 in a sliding mode, the third spring 109 is sleeved on the contact rod 108, two ends of the third spring 109 are fixedly connected with the contact rod 108 and the fixing plate 107 on the upper side respectively, the contact rod 108 rotates to move upwards along the upper side of the special-shaped plate 106, the contact rod 108 is upwards inserted into the rear side of the uppermost page on the right side along with the contact rod 108, the page on the right side is turned to the left side along with the rotation of the contact rod 108, and the fixing work of the page turned after the page turning is finished through the beating wheel 906.

When teaching the piano 1, a user places the invention on the piano 1, places a music score on the upper side surface of the mounting plate 105, enables the music score to be positioned at the rear side of the limiting block on the mounting plate 105 and lean against the mounting frame 6, simultaneously pushes the music score to touch the contact switch 703, the contact switch 703 subsequently starts the first driving piece 701, the first driving piece 701 enables the first transmission gear 702 to rotate, the first transmission gear 702 rotates to enable the two movable frames 704 to be close together, the two movable frames 704 are close together to respectively drive parts thereon to move, when the movable plate 708 contacts with the music score, the two movable frames 704 are continuously close together, the first spring 709 is compressed accordingly, the movable frames 704 enable the lower pressure frames 713 to move backwards through the hinged plate 710 and the swinging plate 711, the springs on the lower pressure frames 713 are compressed accordingly, the lower pressure frames 713 move backwards to clamp and fix the music score, and the music score is prevented from moving in the teaching process, lead to the user of service unable to watch the music book, the music book presss from both sides the fastening back, and the user of service closes first driving piece 701, and the user of service makes through swing span 807 afterwards and turns round 808 and the page contact on music book right side, and the torsional spring of this moment is in the state of screwing, makes the page in close contact with of the round 808 and the music book of turning, makes things convenient for follow-up page turning to the page of music book, and it can to teach according to note on the page of music book afterwards.

When the pages of the music book need to be turned, a user starts the second driving piece 801 to enable the second transmission gear 802 to work, the second transmission gear 802 works to enable the first rack frame 803 and the second rack frame 901 to be close to each other and respectively drive the first straight gear 806 and the second straight gear 904 to rotate, the first straight gear 806 rotates to enable the connecting shaft to rotate through belt wheel and belt transmission, the connecting shaft rotates to enable the turning wheel 808 to rotate anticlockwise from a top view through belt wheel and belt transmission, the turning wheel 808 rotates to twist the pages on the right side of the music book, at the moment, the third driving piece 103 is started to enable the contact rod 108 to rotate clockwise from the top view through the rotating shaft 104 and the fixing plate 107, the contact rod 108 rotates clockwise to be in contact with the special-shaped plate 106, the contact rod 108 moves upwards along with the contact rod 108, the contact rod 108 moves upwards to be inserted into the rear side of the twisted pages, the contact rod 108 moves upwards and rotates clockwise to twist the twisted pages leftwards, second spur gear 904 rotates and makes rotor 905 rotate through band pulley and belt drive, rotor 905 rolling stay cord 911 makes beater wheel 906 move left, second spring 910 compresses thereupon, beater wheel 906 moves left and passes through the cooperation of third spur gear 907 and the rack board on the second mount 902, make beater wheel 906 see anticlockwise rotation from the top view, beater wheel 906 rotates and beats the page that will turn left downwards, make the page turn to the left side of music book, through the above-mentioned action, accomplish the page turning of the page of music book, do not need the user to go to turn, avoid the teaching process to interrupt, make the process of playing the teaching more smooth.

After the teaching is completed, the user starts the first driving part 701 to enable the first driving gear 702 to rotate reversely and reset, the two moving frames 704 reset accordingly to release the limitation on the music score, and then the user takes down the music score.

Example 2

On the basis of embodiment 1, as shown in fig. 11 and 12, the syllable-dividing electronic musical instrument further includes a prompting component 11, the prompting component 11 is installed between the top of the installation shell 5 and the top of the installation frame 6, the prompting component 11 is used for prompting the played syllable, the prompting component 11 includes a connecting frame 111, the connecting frame 111 is fixedly connected between the top of the installation shell 5 and the top of the installation frame 6, a sliding frame 112 is rotatably installed on the upper portion of the connecting frame 111, cavities are respectively formed on the left and right portions of the sliding frame 112, two fourth driving members 113 are installed on the top portion in the sliding frame 112, the fourth driving members 113 adopt servo motors, an output shaft of each fourth driving member 113 penetrates through the front portion of the sliding frame 112, a third transmission gear 114 is installed on an output shaft of each fourth driving member 113, the two third transmission gears 114 are respectively located in the two cavities of the sliding frame 112, rack rods 115 meshed with the adjacent third transmission gears 114 are slidably arranged in the two cavities of the sliding frame 112, the upper portion of every rack bar 115 all is equipped with shines the appearance 116, shines and is equipped with the sound level recognizer on the appearance 116, through the syllable discernment of sound level recognizer to the user of service person playing to make and shine appearance 116 and shine light on the syllable that corresponds, make things convenient for the user of service to teach according to corresponding syllable and play.

During the use, after the music book is fixed, the user turns the sliding frame 112 and rotates 180 degrees, so that the rack bar 115 is located on the front side of the music book, in the process of playing by the user, the syllable recognition of playing by the user is realized by the intonation recognizer on the irradiation instrument 116, meanwhile, the corresponding fourth driving piece 113 is started to enable the rack bar 115 to move through the third transmission gear 114, when the rack bar 115 moves, the irradiation instrument 116 irradiates light on the corresponding syllable, the user can conveniently teach according to the corresponding syllable, forgetting or not finding the corresponding note in the process of teaching and playing is avoided, after the use is completed, the user resets the sliding frame 112, and the irradiation instrument 116 is closed.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.

Claims (10)

1. The utility model provides an auxiliary device for piano teaching, including support (2), support (2) are equipped with two, rotating turret (3) are installed to the equal rotary type in upper portion of two support (2), the lower part of support (2) is provided with two and is used for supporting fixed landing leg, place on piano (1) two support (2), be connected with casing (4) between two rotating turret (3), the upper portion of casing (4) is equipped with inside bellied extension board, installation shell (5) are installed at the top of casing (4), installation shell (5) are towards the open-ended frame construction in the place ahead, install mounting panel (51) in installation shell (5), the top of casing (4) is provided with mounting bracket (6), the spout that is used for the direction is seted up at the rear portion of mounting bracket (6), its characterized in that: still including pressing from both sides tight fixed subassembly (7), press from both sides tight fixed subassembly (7) and set up between installation shell (5) and mounting panel (51), press from both sides tight fixed subassembly (7) and be used for fixing the music book, press from both sides tight fixed subassembly (7) and mounting bracket (6) sliding connection, the upper portion of mounting panel (51) is installed and is turned subassembly (8), it is used for the music book to turn over subassembly (8), the left part of mounting panel (51) is provided with flapping subassembly (9), flapping subassembly (9) is used for turning over the music book location after the page, flapping subassembly (9) and the transmission cooperation of subassembly (8) that turns over, install in casing (4) and turn over page subassembly (10), it is used for the music book to turn over the page or leaf to turn over page or leaf subassembly (10), press from both sides tight fixed subassembly (7) and fix music book clamp tightly, it turns over the music book page or leaf to turn over through page subassembly (10) with the music book to turn over, it positions to turn over the music book after turning over the page or leaf to beat subassembly (9).

2. An auxiliary device for piano teaching according to claim 1, wherein: the clamping and fixing component (7) comprises a first driving piece (701), the first driving piece (701) is installed in the middle of the installation shell (5), an output shaft of the first driving piece (701) penetrates through the installation plate (51) and is in rotating connection with the installation plate, a first transmission gear (702) is installed on the output shaft of the first driving piece (701), a contact switch (703) is arranged in the middle of the front side face of the installation frame (6), the contact switch (703) is electrically connected with the first driving piece (701), moving frames (704) are arranged on the left portion and the right portion of the installation frame (6) in a sliding mode, a plurality of teeth are arranged on each moving frame (704), the teeth of the two moving frames (704) are respectively meshed with the first transmission gear (702), a positioning frame (705) is arranged on each installation frame (6), two connecting plates (706) are installed on two side walls of the installation frame (6), a first guide rod (707) is arranged on each connecting plate (706) in a sliding mode, the movable plates (708) are connected between the two first guide rods (707) on the same side, a first spring (709) is fixedly connected between each movable plate (708) and the adjacent connecting plate (706), the first springs (709) are wound on the outer sides of the adjacent first guide rods (707) respectively, a fixing piece is mounted on each movable plate (708), the fixing piece is connected with the adjacent positioning frame (705), and the fixing piece is used for fixing the pages of the music book.

3. An auxiliary device for piano teaching according to claim 2, wherein: the fixing piece comprises hinged plates (710), the hinged plates (710) are provided with two, the two hinged plates (710) are respectively rotatably arranged at the upper part and the lower part of the moving plate (708), the upper part and the lower part of each positioning frame (705) are respectively rotatably provided with a swinging plate (711), each swinging plate (711) is respectively rotatably connected with the adjacent hinged plate (710), a straight hole is formed in each swinging plate (711), the upper end and the lower end of each positioning frame (705) are respectively provided with a second guide rod (712), a pressing frame (713) is arranged between the two second guide rods (712) on the same side in a sliding mode, two springs are fixedly connected between each pressing frame (713) and the adjacent positioning frame (705), the four springs are respectively wound outside the adjacent second guide rods (712), two pin rods are respectively connected to each pressing frame (713), and the two pin rods of each pressing frame (713) are respectively slidably arranged in the straight holes in the adjacent swinging plates (711).

4. An aid for teaching on a piano of claim 2, wherein: the turning assembly (8) comprises a second driving part (801), the second driving part (801) is installed on the rear wall in the installation shell (5), the second driving part (801) is located on the upper side of the first driving part (701), a second transmission gear (802) is installed at the output end of the second driving part (801), a first rack frame (803) is arranged on the rear side face of the installation plate (51) in a sliding mode, the first rack frame (803) is formed by combining two toothed plates and a vertical plate, upper side teeth of the first rack frame (803) face towards the upper side and are meshed with the second transmission gear (802), a first fixing frame (804) is connected to the right side face of the installation plate (51), a first protection shell (805) is installed on the first fixing frame (804), the right portion of the first rack frame (803) penetrates through the installation shell (5) and the first protection shell (805) and is connected with the installation shell (805) in a sliding mode, a first straight gear (806) is installed on the rear portion of the first fixing frame (804) in a rotating mode through a shaft rod, the first straight gear (806) is located first protecting shell (805), the lower side toothed plate teeth of first rack (803) are meshed with first straight gear (806) towards the rear side, the front rotary type of first mount (804) is connected with the rotating rod, the rotating rod is connected with the shaft rod of first straight gear (806) through belt wheel and belt transmission, the connecting shaft is installed in the left rotary type of first mount (804), the twisting piece is installed in the rotating type on the connecting shaft of first mount (804), and the twisting piece is used for twisting pages on the right side of the music book to turn pages conveniently.

5. An auxiliary device for piano teaching according to claim 4, wherein: the twisting piece comprises a swing frame (807), the swing frame (807) is formed by combining two transverse plates and a round rod, the two transverse plates of the swing frame (807) are respectively rotatably mounted at the upper end and the lower end of a connecting shaft of a first fixing frame (804), two torsion springs are sleeved on the connecting shaft of the first fixing frame (804), the two ends of each torsion spring are respectively connected with the first fixing frame (804) and the swing frame (807), the connecting shaft of the first fixing frame (804) is connected with the rotating rod through a belt wheel and a belt in a transmission manner, a turning wheel (808) is rotatably mounted on the round rod of the swing frame (807), and the turning wheel (808) is connected with the connecting shaft of the first fixing frame (804) through the belt wheel and the belt in a transmission manner.

6. An auxiliary device for piano teaching according to claim 5, wherein: the turning wheel (808) is provided with a plurality of bulges in the anticlockwise direction and is used for twisting the music book page by the rotation of the turning wheel (808).

7. An auxiliary device for piano teaching according to claim 4, wherein: the flapping component (9) comprises a second rack (901), the second rack (901) is arranged on the rear side surface of the mounting plate (51) in a sliding manner, the second rack (901) is formed by combining two toothed plates and a vertical plate, upper toothed plate teeth of the second rack (901) face to the lower side and are meshed with a second transmission gear (802), the left side surface of the mounting plate (51) is connected with a second fixing frame (902), a second protecting shell (903) is mounted on the second fixing frame (902), the left part of the second rack (901) penetrates through the mounting shell (5) and the second protecting shell (903) and is connected with the mounting shell and the second protecting shell in a sliding manner, the rear part in the second protecting shell (903) is connected with a second straight gear (904) in a rotating manner through a shaft rod, lower toothed plate teeth of the second rack (901) face to the rear side and are meshed with the second straight gear (904), and a rotating roller (905) is rotatably mounted at the front part of the second fixing frame (902), the rotating roller (905) is connected with a shaft rod of the second straight gear (904) through a belt wheel and a belt in a transmission mode, a rectangular groove is formed in the right portion of the second fixing frame (902), a rack plate is arranged on a front wall in the rectangular groove, a straight hole penetrating through the second fixing frame (902) from top to bottom is formed in the right portion of the second fixing frame (902), the straight hole in the second fixing frame (902) is communicated with the rectangular groove, the flapping wheel (906) is arranged in the straight hole in the second fixing frame (902) in a sliding mode, limiting discs are arranged at the upper end and the lower end of the flapping wheel (906), a buffering piece is arranged on the second fixing frame (902), the buffering piece is connected with the rotating roller (905) and the flapping wheel (906) respectively, the buffering piece is used for the flapping wheel (906) to move and reset, and the flapping wheel (906) is formed by combining a circular disc and a plurality of flapping blocks.

8. An auxiliary device for piano teaching according to claim 7, wherein: the buffer part comprises three straight gears (907), two third straight gears (907) are arranged, the two third straight gears (907) are respectively connected to the upper side and the lower side of the beating wheel (906), the third straight gears (907) are respectively meshed with the rack plates on the second fixing frame (902), the bottom of the second fixing frame (902) is connected with a connecting block (908), a third guide rod (909) is slidably arranged on the connecting block (908), a connecting sleeve is arranged at the right part of the third guide rod (909), the connecting sleeve of the third guide rod (909) is rotatably connected with the lower part of the beating wheel (906), a second spring (910) is sleeved on the outer side of the third guide rod (909), two ends of the second spring (910) are respectively fixedly connected with the connecting sleeve of the third guide rod (909) and the connecting block (908), a pull rope (911) is connected to the rotating roller (905), and the pull rope (911) is fixedly connected with the upper part of the beating wheel (906).

9. An auxiliary device for piano teaching according to claim 7, wherein: the page turning assembly (10) comprises a connecting disc (101), the connecting disc (101) is fixedly connected to the bottom of a shell (4), an annular frame (102) is installed on the inner side face of the connecting disc (101), a plurality of bulges are arranged on the inner side face of the annular frame (102), a third driving piece (103) is installed between the bulges on the annular frame (102), a rotating shaft (104) is installed on an output shaft of the third driving piece (103), a mounting disc (105) is installed on the upper end of the rotating shaft (104) in a rotating mode, an arc-shaped gap for guiding is formed by matching the mounting disc (105) with an extension plate of the shell (4), a limiting block is connected to the upper side face of the mounting disc (105), a special-shaped plate (106) is fixedly connected to the upper side face of the annular frame (102), the height of the special-shaped plate (106) gradually decreases from the middle part to two sides, two fixing plates (107) are installed on the rotating shaft (104), a contact rod (108) is arranged between the two fixing plates (107) in a sliding mode, the contact rod (108) is arranged in an arc-shaped gap formed by the mounting disc (105) and the shell (4) in a sliding mode, a third spring (109) is sleeved on the contact rod (108), and two ends of the third spring (109) are fixedly connected with the contact rod (108) and the fixing plate (107) on the upper side respectively.

10. An auxiliary device for piano teaching according to claim 8, wherein: the music syllable playing device is characterized by further comprising a prompting component (11), the prompting component (11) is installed between the tops of the installation shell (5) and the installation rack (6), the prompting component (11) is used for prompting played syllables, the prompting component (11) comprises a connecting frame (111), the connecting frame (111) is fixedly connected between the tops of the installation shell (5) and the installation rack (6), a sliding frame (112) is rotatably installed on the upper portion of the connecting frame (111), cavities are formed in the left portion and the right portion of the sliding frame (112), two fourth driving parts (113) are installed at the top in the sliding frame (112), an output shaft of each fourth driving part (113) penetrates through the front portion of the sliding frame (112), a third transmission gear (114) is installed on an output shaft of each fourth driving part (113), the two third transmission gears (114) are respectively located in the two cavities of the sliding frame (112), rack rods (115) are arranged in the two cavities of the sliding frame (112) in a sliding mode, each rack rod (115) is meshed with the adjacent third transmission gear (114), an irradiator (116) is arranged at the upper part of each rack rod (115), and a intonation recognizer is arranged on the irradiator (116).

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