CN108523418B

CN108523418B - Music stand

Info

Publication number: CN108523418B
Application number: CN201810240703.XA
Authority: CN
Inventors: 丘宇鹏; 陈勇强
Original assignee: Huizhou Strich Technology Co ltd
Current assignee: Huizhou Strich Technology Co ltd
Priority date: 2018-03-22
Filing date: 2018-03-22
Publication date: 2024-06-11
Anticipated expiration: 2038-03-22
Also published as: CN108523418A

Abstract

The invention discloses a music score rack, comprising: base, electric lifting device, power supply unit, flexible cloud platform and wireless page turning device, electric lifting device, power supply unit and wireless page turning device set up respectively on the base, and flexible cloud platform sets up on electric lifting device. The invention relates to a music stand, which can be lifted up and down by arranging an electric lifting device, a power supply device, a telescopic cradle head and a wireless page turning device, can be used for wirelessly controlling page turning operation, can be used for charging mobile equipment such as a flat plate and the like, can be stretched when being used, can be contracted when not being used, saves space and is convenient to carry; and because the cradle head can be adjusted in a telescopic way, the cradle head can be adjusted according to the size of the tablet personal computer, and the tablets with different sizes can be stably fixed on the cradle head.

Description

Music stand

Technical Field

The invention relates to the field of music appliances, in particular to a music score frame.

Background

The music stand is an auxiliary instrument for placing a score for a player who performs a performance according to the score placed on the music stand. The existing music stand is a stand for placing music scores, so that the existing music stand comprises a base, a supporting rod and a music score board, one end of the supporting rod is arranged on the base, the other end of the supporting rod is connected with the music score board, and under the action of the base and the supporting rod, the music scores can be placed on the music score board, and a player can play music.

However, the existing music rack cannot be lifted, so that a player cannot comfortably see the music score, and the existing music rack cannot be turned wirelessly, and the page turning is required to be performed manually, so that the efficiency of the performance is reduced in the performance process; the existing music stand is large in size, occupies a large amount of space and is inconvenient to carry.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides the music stand which can be folded, occupies less space, is beneficial to movement and carrying of the music stand and can be lifted and adjusted.

The aim of the invention is realized by the following technical scheme:

a music score rack comprising: the device comprises a base, an electric lifting device, a power supply device, a telescopic cradle head and a wireless page turning device, wherein the electric lifting device, the power supply device and the wireless page turning device are respectively arranged on the base;

The electric lifting device comprises an outer tube, a lifting assembly and a control assembly, wherein the outer tube is arranged on the base, the lifting assembly is arranged on the outer tube in a sliding manner, and the control assembly is used for controlling the lifting assembly to ascend or descend relative to the base;

The power supply device comprises a storage battery module and a circuit control board, the storage battery module is arranged on the base, the circuit control board is arranged on the base, and the storage battery module is electrically connected with the circuit control board;

the telescopic cradle head comprises a middle substrate, a pin assembly and a pull back plate assembly, wherein the pin assembly is arranged on the middle substrate, and the pull back plate assembly is in relative sliding connection with the middle substrate.

As a further preferable aspect, the power supply device further includes a port assembly disposed on the circuit control board, and the port assembly is electrically connected with the circuit control board.

As a further preferable scheme, the wireless page turning device comprises a controller, a wireless processing module and a wireless receiving and transmitting module, wherein the controller is electrically connected with the wireless processing module, and the wireless receiving and transmitting module is electrically connected with the wireless processing module.

As a further preferable scheme, the base comprises a bottom shell, a shell and a fixing rod, wherein the bottom shell is connected with the shell, and the fixing rod is rotatably arranged on the shell.

As a further preferable scheme, the base further comprises a limiting assembly, the limiting assembly comprises a limiting elastic piece and a limiting block, the limiting block is arranged on the shell, one end of the limiting elastic piece is abutted to the shell, the other end of the limiting elastic piece is abutted to the limiting block, and the limiting block is clamped with one end, close to the shell, of the fixing rod.

As a further preferable scheme, the fixing rod is provided with a protection part, the protection part comprises a protection pad and a protection installation tube body, the protection installation tube body is arranged on the protection pad, and the protection installation tube body is sleeved on the fixing rod.

As a further preferable scheme, the limiting elastic piece is a spring or elastic rubber.

As a further preferable scheme, a plurality of grooves are formed in the shell, wherein in one groove, the fixing rod and the limiting assembly are arranged in the groove.

As a further preferable scheme, the base further comprises a rotating shaft, the fixing rod is provided with a rotating through hole, the rotating shaft penetrates through the rotating through hole, and two ends of the rotating shaft are respectively fixed on two side surfaces of the groove.

As a further preferable scheme, the base further comprises a buffer block, the buffer block is arranged in the groove, and the buffer block is positioned between the shell and the fixing rod.

Compared with the prior art, the invention has the following advantages:

The invention relates to a music stand, which can be lifted up and down by arranging an electric lifting device, a power supply device, a telescopic tripod head and a wireless page turning device, can be used for wirelessly controlling page turning operation and charging mobile equipment such as a flat plate, and can be stretched or contracted relative to a middle substrate by arranging the middle substrate, a pin assembly and a back plate pulling assembly in the telescopic tripod head, namely the telescopic tripod head can be stretched when in use and contracted when not in use, thereby saving space and being convenient to carry; and because the cradle head can be adjusted in a telescopic way, the cradle head can be adjusted according to the size of the tablet personal computer, and the tablets with different sizes can be stably fixed on the cradle head.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a music stand according to the present invention;

FIG. 2 is a cross-sectional view of the music rack of FIG. 1;

FIG. 3 is a schematic view of the music stand of FIG. 1 from another perspective;

Fig. 4 is a partial enlarged view of the music stand of fig. 3 at a;

FIG. 5 is a schematic view of the music rack of FIG. 1 from another perspective;

FIG. 6 is a schematic structural view of an electric lifting device of the music stand of FIG. 1;

FIG. 7 is a partial cross-sectional view of the telescoping head of the music stand of FIG. 1;

FIG. 8 is a functional block diagram of a wireless paging device of the music stand of FIG. 1;

FIG. 9 is a functional block diagram of a processing module of the wireless paging device of FIG. 8;

FIG. 10 is a schematic block diagram of a control module of the wireless paging device of FIG. 8;

Fig. 11 is a flowchart of the wireless page turning method for the music stand of fig. 8.

Detailed Description

In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

To better explain the above-mentioned music rack, the idea of the above-mentioned music rack is better understood. As shown in fig. 1 and 2, a music rack 10 includes: the device comprises a base 100, an electric lifting device 200, a power supply device 300, a telescopic cradle head 400 and a wireless page turning device 500, wherein the electric lifting device 200, the power supply device 300 and the wireless page turning device 500 are respectively arranged on the base 100, and the telescopic cradle head 400 is arranged on the electric lifting device 200; it should be noted that, the base 100 is used for fixing the whole music stand; one end of the electric lifting device 200 is fixed with the base 100, the other end is fixed with the telescopic tripod head 400, and the electric lifting device 200 is used for lifting and adjusting the height of the telescopic tripod head 400 so as to reach a proper height, thereby being convenient for players to play; the power supply device 300 is used for charging mobile devices such as a tablet computer; the telescopic tripod head 400 is used for placing music scores; the wireless page turning device 500 is used for controlling the tablet computer to perform wireless page turning operation. The invention relates to a music stand, which can be lifted up and down by arranging an electric lifting device, a power supply device, a telescopic tripod head and a wireless page turning device, can be used for wirelessly controlling page turning operation and charging mobile equipment such as a flat plate, and can be stretched or contracted relative to a middle substrate by arranging the middle substrate, a pin assembly and a back plate pulling assembly in the telescopic tripod head, namely the telescopic tripod head can be stretched when in use and contracted when not in use, thereby saving space and being convenient to carry; and because the cradle head can be adjusted in a telescopic way, the cradle head can be adjusted according to the size of the tablet personal computer, and the tablets with different sizes can be stably fixed on the cradle head.

Further, referring to fig. 2, the existing base is designed by a large and thick steel plate, which can perform a stable supporting function, but the whole music rack is heavy, and the movement and the carrying are very inconvenient, and the design of the steel plate occupies a large amount of space when the music rack is not used. Therefore, in order to reduce the weight of the base under the condition of ensuring the supporting function of the base, the base can have certain moving characteristics, is convenient to carry, and can not occupy a large amount of space when the music stand is not used. For example, the base 100 includes a bottom case 110, a housing 120, and a fixing rod 130, where the bottom case 110 is connected to the housing 120, and the fixing rod 130 is rotatably disposed on the housing 120. It should be noted that, the bottom case 110 is used for being placed on the ground to fix the whole spectrum rack; the casing 120 is configured to form a certain protection cavity with the bottom case 110; the fixing rod 130 is used to improve the supporting force of the base 100, so that the music rack can be more firmly placed on the ground. Thus, by providing the bottom case 110 and the housing 120, the base 100 can play a stable supporting role, and by providing the fixing rods 130, which are rotatably disposed on the housing 120, when the music stand is used, the fixing rods 130 can be rotated to the same horizontal plane as the bottom case 110, thereby ensuring that the base can provide a stable supporting force, and it is noted that the fixing rods 130 are provided in plurality, preferably, the fixing rods 130 are provided in 3. When not using the music stand, rotate the back with dead lever 130, fold for dead lever 130 contracts, conveniently collects and deposits, so, both lighten the weight of base, can let the base have the characteristics of certain removal again, conveniently carry, when not using the music stand simultaneously, also can not occupy a large amount of spaces.

It will be appreciated that, in order to ensure that the fixing lever 130 can be stably fixed on the ground without being contracted by external force, and in order to ensure that the player can stably place the music score on the telescopic tripod head, and in order to quickly perform the retracting operation when the fixing lever 130 is required to be contracted. For example, referring to fig. 3 and 4, the base 100 further includes a limiting assembly 140, the limiting assembly 140 includes a limiting elastic member 141 and a limiting block 142, the limiting block 142 is disposed on the housing 120, one end of the limiting elastic member 141 abuts against the housing 120, the other end abuts against the limiting block 142, and the limiting block 142 is clamped with one end of the fixing rod 130 close to the housing 120. Preferably, the limiting elastic member 141 is a spring or elastic rubber. Further, the limiting component 140 further includes a limiting fixing column 143, the limiting block 142 is provided with a limiting hole, the limiting fixing column 143 penetrates through the limiting hole, and two ends of the limiting column are fixed on the housing 120. Further, a plurality of fixing rods 130 are provided, and a plurality of fixing rods 130 are respectively disposed on the housing 120. In this way, the fixing rod 130 can be ensured to be stably fixed on the ground, the music score cannot be contracted due to external acting force, and meanwhile, a player can be ensured to stably place the music score on the telescopic tripod head, and the music score can be rapidly contracted when the fixing rod 130 is required.

It should be noted that, in order to ensure the friction between the fixing rod 130 and the ground, the stability of the base 100 is improved, so that the stability of placing the music score on the music stand can be provided, and the performance effect of the player is improved. For example, referring to fig. 2 and 3, the fixing rod 130 has a protecting portion 131, the protecting portion 131 includes a protecting pad 131a and a protecting mounting tube 131b, the protecting mounting tube 131b is disposed on the protecting pad 131a, and the protecting mounting tube 131b is sleeved on the fixing rod 130. So, cup joint in through setting up protection installation tube 131b on the dead lever 130, and protection pad 131a set up in on the protection installation tube 131b, thereby can guarantee the frictional force of dead lever 130 and ground, improve the stability of base 100, and then can provide the music stand and place the stationarity of musical instrument spectrum, improve the performance effect of player.

It should be further noted that, in order to improve the compactness and stability of the structure, a certain buffering force is ensured between the fixing rod 130 and the housing 120, so as to improve the service life of the music stand; for example, referring to fig. 5, the housing 120 is provided with a plurality of grooves 121, wherein the fixing rod 130 and the limiting component 140 are disposed in one of the grooves 121. The base 100 further includes a buffer block 150, the buffer block 150 is disposed in the groove 121, and the buffer block 150 is located between the housing 120 and the fixing rod 130. So, through design a plurality of recesses 121, and set up spacing subassembly 140 and dead lever 130 in can improve the compactedness and the stability of structure effectively in the recess 121, simultaneously, through being provided with buffer block 150 between dead lever 130 and shell 120, guarantee to have certain buffer force between dead lever 130 and the shell 120, improve the life of spectral frame. Preferably, two buffer blocks 150 are provided, and two buffer blocks 150 are embedded in the groove 121, so as to ensure that a buffer force is provided between the housing 120 and the fixing rod 130.

The electric lifting device 200 comprises an outer tube, a lifting assembly and a control assembly, wherein the outer tube is arranged on the base 100, the lifting assembly is slidably arranged on the outer tube, and the control assembly is used for controlling the lifting assembly to ascend or descend relative to the base 100. Therefore, players can freely adjust the height of the telescopic cradle head required by the players, play at the most comfortable height, and further improve the performance level and the performance effect.

Referring again to fig. 6, in order to implement a lifting operation, for example, an electric lifting device 200 for a music stand 10, the electric lifting device 200 is detachably connected to a telescopic cradle 400, and the electric lifting device 200 includes: it should be noted that, the outer tube 210, the lifting assembly 220, and the control assembly 230, the outer tube 210 is used for sliding the lifting assembly 220, the lifting assembly 220 is used for lifting the telescopic platform 400, and the control assembly is used for controlling the lifting assembly 220 to perform lifting operation.

Further, referring to fig. 2, the outer tube 210 is disposed on the base 100, the lifting assembly 220 includes an inner tube 221, a screw rod 222, and a lifting driver 223, the inner tube 221 is slidably disposed in the outer tube 210, the inner tube 221 is connected to the telescopic cradle head 400, the screw rod 222 is disposed in the inner tube 221, the screw rod 222 is screwed with the inner tube 221, the lifting driver 223 is disposed on the base 100, and the lifting driver 223 is connected to the screw rod 222, and the lifting driver 223 is used for driving the screw rod 222 to rotate so as to drive the inner tube 221 to ascend or descend relative to the base 100; the control assembly 230 includes a circuit control board 231 and a foot control button 232, the circuit control board 231 and the foot control button 232 are respectively disposed on the base 100, the foot control button 232 is electrically connected with the circuit control board 231, and the circuit control board 231 is electrically connected with the lifting driver 223. Through setting up lifting unit 220 and control unit 230 to make electric lifting device 200 can realize automatic lift function, wherein, inner tube 221, screw rod 222 and lift driver 223 have been set up in lifting unit 220, drive screw rod 222 through lift driver 223 and rotate, and then make inner tube 221 can rise or descend along outer tube 210, set up circuit control panel 231 and pedal control button 232 simultaneously in control unit 230, can be directly by pedal control button 232 input control signal, make inner tube 221 realize rising or descending, thereby can realize the automatic lift adjustment of music rack fast, improve the comfort level of player, make things convenient for the player to use, improve the practicality of music rack.

It should be noted that, since the inner tube 221 is sleeved on the outer tube 210, and the inner tube 221 needs to be lifted and lowered on the outer tube 210 during the lifting process, that is, when the inner tube 221 is lifted and lowered, a part of the inner tube 221 is exposed on the outer tube 210, so that dust enters a gap between the inner tube 221 and the outer tube 210 to prevent the inner tube 221 from sliding in the outer tube 210, and meanwhile, to ensure the lubricity between the inner tube 221 and the outer tube 210, the lifting assembly 220 further includes a protective sleeve 224, where the protective sleeve 224 is sleeved between the outer tube 210 and the inner tube 221, and the protective sleeve 224 is provided with lubricating oil. In this way, by providing the protecting sleeve 224, dust can be effectively prevented from entering the gap between the inner tube 221 and the outer tube 210, so that the inner tube 221 can be ensured to slide normally in the outer tube 210, and the lubrication degree between the inner tube 221 and the outer tube 210 is ensured.

Specifically, since the protection sleeve 224 is sleeved between the outer tube 210 and the inner tube 221, a part of the protection sleeve 224 is disposed outside the outer tube 210, and the protection sleeve 224 needs to be pulled out of the outer tube 210 when the music stand needs to be detached, so that the protection sleeve 224 cannot be pulled out of the outer tube 210 quickly in order to prevent the surface of the protection sleeve 224 from being too smooth, and in order to increase the friction force of the surface of the protection sleeve 224 and improve the acting force of the detachment personnel during detachment, the protection sleeve 224 is provided with a plurality of anti-slip protrusions, and the anti-slip protrusions are disposed at intervals. Thus, by arranging the plurality of anti-slip protrusions, the friction force on the surface of the protective sleeve 224 can be effectively increased, the acting force of the disassembling personnel during disassembling can be improved, and the protective sleeve 224 can be quickly pulled out of the outer tube 210 by the disassembling personnel.

In order to make the screw rod 222 cooperate with the inner tube 221 for lifting purposes, the inner tube 221 is provided with a nut 221a, and the nut 221a is screwed with the screw rod 222. In this way, the nut 221a is engaged with the screw 222, so that the lifting/lowering operation can be effectively performed when the external lifting/lowering actuator 223 drives the screw. Preferably, the lift driver 223 is a variable speed motor.

It should be further noted that, before playing, in order to enable the telescopic tripod head 400 to be suitable for the height of the player and the inclination angle of the telescopic tripod head 400 to be suitable for the player to play, and simultaneously, in order to facilitate the player to freely adjust the inclination angle of the telescopic tripod head 400, for example, please refer to fig. 3, the electric lifting apparatus 200 further includes a rotating assembly 240, the rotating assembly 240 includes a fixed pipe body 241 and a rotating fixing plate 242, the fixed pipe body 241 is sleeved on the inner pipe 221, the telescopic tripod head 400 is disposed on the rotating fixing plate 242, and the rotating fixing plate 242 is rotationally connected with the fixed pipe body 241. The rotating assembly 240 further includes a rotating fixing member 243, where the rotating fixing member 243 is disposed through the rotating fixing plate 242 and the fixing tube 241, and the rotating fixing member 243 is used for fixing the rotating fixing plate 242 on the fixing tube 241. The fixed pipe 241 is provided with a first rotary through hole, the rotary fixing plate 242 is provided with a second rotary through hole, and the rotary fixing member 243 sequentially penetrates through the first rotary through hole and the second rotary through hole. Further, the fixing pipe body 241 is configured to be sleeved on the inner pipe 221, so as to provide necessary connection devices for connection between the telescopic tripod head 400 and the inner pipe 221, and ensure that the telescopic tripod head 400 can be fixed on the inner pipe 221; the rotation fixing plate 242 is used for fixing the telescopic tripod head 400 on the fixing tube 241; the rotation fixing member 243 is inserted through the rotation fixing plate 242 and the fixing tube 241, and is used for adjusting the fixing angle of the rotation fixing plate 242 and the fixing tube 241, so that the telescopic tripod head 400 can be fixed at a certain angle, and a player can conveniently see a music score; the first rotation through hole and the second rotation through hole are used as fixing holes to fix the rotation fixing plate 242 and the fixing tube 241, and the rotation fixing plate 242 and the fixing tube 241 can be fixed at a certain angle by penetrating the two through holes through the rotation fixing member 243. In this way, the telescopic tripod head 400 can be ensured to be suitable for the height of a player and the inclination angle of the telescopic tripod head 400 is suitable for the player to play, and meanwhile, the player can freely adjust the inclination angle of the telescopic tripod head 400.

In order to achieve the ascending and descending effects of the music stand while facilitating the adjustment of the player during the performance, for example, the foot control buttons 232 include an ascending button and a descending button, which are electrically connected to the circuit control board, respectively. The up button and the down button are respectively disposed on the base 100. Therefore, in the playing process, a player can control the elevation of the music stand through feet, and the adjustment of the player in the playing process is facilitated.

The power supply device 300 comprises a storage battery module and a circuit control board, wherein the storage battery module is arranged on the base, the circuit control board is arranged on the base, and the storage battery module is electrically connected with the circuit control board; the power supply device further comprises a port component, the port component is arranged on the circuit control board, and the port component is electrically connected with the circuit control board.

The music stand is needed when the music score is placed, but the existing music stand does not have the function of charging, electric energy cannot be provided for a tablet personal computer of a user when the music stand is used, the time for the user to use the tablet personal computer is reduced, the music stand is inconvenient to use, more and more music stands are provided with motors with automatic lifting functions, and the motors also need to use electric energy, so that the existing music stand cannot maintain work of the user, and the practicability is lower. The power supply apparatus 300 for a music stand includes: the storage battery module 310, the circuit control board 231 and the port assembly 320 should be noted that, the storage battery module 310 is used for providing power for a tablet personal computer, a lifting driver and the like, and can also be charged when the electric quantity in the storage battery is insufficient; the circuit control board 231 is used for controlling the input and output of the voltage of the battery module 310, so as to ensure that the battery module 310 can realize charging and discharging; the port assembly 320 is used to provide a charge port and a discharge port.

Further, referring to fig. 2 and 5, the battery module 310 is disposed on the base 100; the circuit control board 231 is disposed on the base 100, the battery module 310 is electrically connected with the circuit control board 231, the port assembly 320 includes a power input socket 321 and a power output socket 322, the power input socket 321 and the power output socket 322 are respectively disposed on the circuit control board, and the power input socket and the power output socket are respectively electrically connected with the circuit control board. Preferably, the storage battery module 310 is a chargeable and dischargeable battery. A power supply unit for music stand is through setting up battery module, circuit control board and port subassembly, provides charging source by battery module to circuit control board, again with charging source output to mobile device in, can provide the electric energy for mobile intelligent device such as panel computer or motor to improve mobile intelligent device's such as panel computer live time. Wherein, set up power input grafting end and power output grafting end in the port subassembly, can provide the charging end for the battery module charges and provide the output for battery module output power, conveniently charge the operation for mobile device, improved the practicality of spectral frame.

The power supply device 300 further includes a lift driver 223 disposed on the base 100 and electrically connected to the circuit control board. The lifting driver 223 is used for driving the screw rod 222 to rotate so as to drive the inner pipe 221 to lift or descend relative to the base 100; preferably, the lifting driver is a variable speed motor. The lifting driver 223 is powered by the battery module 310.

The power supply device 300 further includes a pedal control board disposed on the base, and the pedal control board is electrically connected with the circuit control board. The power supply device 300 further includes a foot control button disposed on the foot control board, and the foot control button is electrically connected with the foot control board. The foot control buttons 232 include an up button and a down button, which are electrically connected to the foot control board, respectively. The lifting button is used for controlling the lifting driving motor to perform lifting operation, and the descending button is used for controlling the empty box lifting driving motor to perform descending operation. The foot control board is used for receiving a control instruction of the foot control button and outputting the control instruction to the circuit control board, and it should be noted that the power supply of the battery module 310 is used for the foot control board.

It should be noted that, the power output socket 322 is a USB socket. The port assembly further comprises an input plug-in end protection sheet, and the input plug-in end protection sheet is arranged on the power supply input plug-in end. The port assembly further comprises an output plug-in end protection sheet, and the output plug-in end protection sheet is arranged on the power supply output plug-in end. The input plug end protection sheet and the output plug end protection sheet are used for placing dust into the plug ports to cause poor contact and other conditions.

It should be noted that, the telescopic tripod head 400 includes a middle substrate, a pin assembly and a pull back plate assembly, the pin assembly is disposed on the middle substrate, and the pull back plate assembly is slidably connected with the middle substrate. It can be appreciated that some existing music racks are also provided with a folding music rack, but the center of gravity of the folding music rack is changed after being unfolded, so that the base cannot be stably fixed on the ground. It should be further noted that, the tablet computer is often placed on the music stand as a music score, and the sizes of the tablet computers are quite different, if the size of the music stand is too small and the tablet computer with a large size cannot be placed on the music stand, the tablet computers with different sizes and the music stand cannot be placed on the music stand stably, and when a user turns pages, the tablet computer is likely to fall from the music stand, and the user cannot concentrate on singing or playing. Referring to fig. 5, a telescopic cradle head 400 for a music stand includes: the middle base plate 410 is used as a fixed base plate to be connected with the pull back plate assembly 430, the pin assembly 420 is used for enabling the pull back plate assembly 430 to be pulled on the middle base plate 410, the pull back plate assembly 430 is used for extending the size of a cradle head, and the guide rail assembly 440 is used for guiding the direction when the middle base plate 410 and the pull back plate assembly 430 are pulled.

Further, referring to fig. 5 and 7, the pin assembly 420 includes an upper pin 421 and a lower pin 422, wherein the upper pin 421 and the lower pin 422 are respectively disposed on two opposite sides of the middle substrate 410; the pull back plate assembly 430 includes a pull back plate 431 and a pull back plate 432, the pull back plate 431 is provided with a first long hole 433, the pull back plate 432 is provided with a second long hole 434, the upper pin 421 is slidably inserted into the first long hole 433, the lower pin 432 is slidably inserted into the second long hole 434, and the middle substrate 410 is located between the pull back plate 431 and the pull back plate 432; it should be noted that, by providing the upper pin 421 and the lower pin 422, the pull-up back plate 431 or the pull-down back plate 432 can only slide in the direction of the upper pin 421 or the lower pin 422, and by providing the first long hole 433 and the second long hole 434, the upper pin 421 or the lower pin 422 penetrates the first long hole 433 or the second long hole 434, so that the pull-up back plate 431 or the pull-down back plate 432 can be ensured to slide stably.

Further, the guide rail assembly 440 includes a first guide rail 441 and a second guide rail 442, the first guide rail 441 is disposed on the middle substrate 410, the edge of the pull-down back plate 432 is slidably disposed in the first guide rail 441, the second guide rail 442 is disposed on the pull-up back plate 431, and the first guide rail 441 is slidably disposed in the second guide rail 442. It should be noted that, the first guide rails 441 and the second guide rails 442 are provided with two, the two first guide rails 441 are respectively disposed at two side edges of the middle substrate 410, and the two second guide rails 442 are respectively disposed at two side edges of the pull-up back plate 431, so that the middle substrate 410 can slide on the pull-up back plate 431, and meanwhile, the pull-down back plate 432 can slide on the middle substrate 410.

The telescopic tripod head for the music stand is characterized in that the middle base plate, the pin assembly, the guide rail assembly, the pull-up backboard and the pull-down backboard are arranged, so that the pull-up backboard and the pull-down backboard can be stretched up and down and contracted relative to the middle base plate under the fixation of the pin assembly and the guide rail assembly, the tripod head can be stretched when being used, can be contracted when not being used, saves space and is convenient to carry; and because the cradle head can be adjusted in a telescopic way, the cradle head can be adjusted according to the size of the tablet personal computer, and the tablets with different sizes can be stably fixed on the cradle head.

It should be noted that, in order to ensure that the tablet pc can be clamped on the telescopic tripod head 400, the tablet pc cannot be fixed on the telescopic tripod head 400 due to the fact that the tablet pc is too large or too small, therefore, the telescopic tripod head 400 further includes a carrying assembly 450, the carrying assembly 450 includes an upper pressing plate 451 and a lower supporting plate 452, the upper pressing plate 451 is disposed at an edge position of the pull-up backboard 432, and the lower supporting plate 452 is disposed at an edge position of the pull-down backboard 431. Therefore, the tablet personal computer can be clamped on the telescopic tripod head 400, and the tablet personal computer cannot be fixed on the telescopic tripod head 400 because the tablet personal computer is too large or too small.

In order to reduce the overall weight of the telescopic tripod head 400, for example, the middle substrate, the pull-up backboard and the pull-down backboard are provided with clearance holes. Thus, the weight of the intermediate substrate, the pull-up back plate and the pull-down back plate can be reduced, and the weight of the whole telescopic cradle head 400 can be further reduced.

In order to guarantee that the pull-up backboard and the pull-down backboard can stably slide, the upper pins are provided with a plurality of first long holes, the pull-up backboard is provided with a plurality of first long holes, the number of the upper pins is in one-to-one correspondence with the number of the first long holes, the lower pins are provided with a plurality of second long holes, and the number of the lower pins is in one-to-one correspondence with the number of the second long holes. Thus, the pull-up backboard and the pull-down backboard can be ensured to stably slide.

The first guide rails are arranged at two, the two first guide rails are respectively arranged at two opposite side edges of the middle base plate, the two second guide rails are arranged at two, and the two second guide rails are respectively arranged at two opposite side edges of the pull-up backboard. The widths of the intermediate substrate, the pull-up backboard and the pull-down backboard are the same. Therefore, the telescopic cradle head can achieve the maximum width, and the largest tablet personal computer can be placed.

In order to ensure that the middle substrate slides on the pull-up back plate and also ensure that the pull-down back plate slides on the middle substrate and that no offset occurs during the sliding process, for example, the first guide rail 441 includes a first side baffle 441a and a first limit edge 441b, where the first side baffle 441a is disposed on the middle substrate 410, and the first limit edge 441b is connected to the first side baffle 441 a. Similarly, the second guide rail includes a second side baffle and a second limit edge, where the second side baffle is disposed on the middle substrate 410, and the second limit edge is connected with the second side baffle. Thus, by providing the first side baffle 441a and the first limit edge 441b, the sliding of the intermediate substrate 410 can be ensured not to deviate, and the sliding effectiveness can be ensured.

It should be noted that, the telescopic cradle head for the music stand further includes a base 100, and the base 100 is fixed to the pull-up backboard.

The telescopic tripod head 400 for a music stand further comprises a reinforcing rib assembly 460, the reinforcing rib assembly 460 comprises a first reinforcing rib 461 and a second reinforcing rib 462, the first reinforcing rib 461 is arranged on the middle base plate 410, and the second reinforcing rib 462 is arranged on the pull-up backboard 432. It should be noted that, the first reinforcing rib 461 is in a protruding structure, so that a certain distance is provided between the intermediate substrate and the pull-down backboard, so that the surface of the pull-down backboard is prevented from directly rubbing against the surface of the intermediate substrate, the probability of abrasion between the surface of the pull-down backboard and the surface of the intermediate substrate is reduced, and the service life of the telescopic tripod head is prolonged. Meanwhile, due to the protruding structure of the first reinforcing rib 461, the effectiveness of relative sliding can be guaranteed, the hardness of the middle substrate can be improved, and the bearing capacity can be improved.

In order to improve the sliding effectiveness of the middle substrate, referring to fig. 7, the middle substrate 410 has a sliding rail 411, a sliding groove 412 is formed on a side surface of the pull-up back plate 432 adjacent to the middle substrate 411, and the sliding rail 411 is slidably disposed in the sliding groove 412. Thus, by providing the sliding groove 412, the sliding convex rail 411 can be ensured to slide only in the sliding groove 412, and the sliding effectiveness of the middle substrate is improved.

The wireless page turning device 500 comprises a controller, a wireless processing module and a wireless receiving and transmitting module, wherein the controller is electrically connected with the wireless processing module, and the wireless receiving and transmitting module is electrically connected with the wireless processing module. The existing music stand is not provided with an automatic page turning device, so that a player needs to manually turn pages, the music stand is inconvenient, the rhythm of the playing is influenced, and the performance level of the player is reduced. Therefore, there is an urgent need to design an automatic page turning device, which is a problem that one skilled in the art needs to consider. Referring to fig. 8, a wireless page turning apparatus 500 for a music stand includes: the control module 510, the processing module 520, the wireless receiving module 530 and the wireless transmitting module 540, wherein the control module 510 transmits a page turning control command, specifically, the control module 510 can be a wireless remote control or a pedal control button, wherein the wireless remote control transmits the control command through Bluetooth, infrared or zigbee, and the pedal control button transmits the control command through wired connection. It should be noted that the processing module 520 is electrically connected to the control module 510, the wireless receiving module 530, and the wireless transmitting module 540, respectively.

Further, the processing module 520 is configured to send a wireless pairing instruction; the processing module is further used for judging whether the pairing processing signal meets a preset condition, if so, establishing wireless connection, and if not, refusing to establish the wireless connection; the processing module is also used for receiving and responding to the page turning control instruction, processing the page turning control signal and then sending the page turning instruction; the wireless receiving module 530 is configured to receive and respond to the pairing instruction; the wireless receiving module is also used for receiving and responding to the pairing feedback signal and sending a pairing processing signal; the wireless transmitting module 540 is configured to transmit a pairing request signal; the wireless sending module is also used for receiving and responding to the page turning instruction and sending a page turning signal, and the page turning signal is used for controlling the mobile equipment to execute page turning operation. After the wireless page turning device is connected in a wireless way, a control command is input by the control module, and the page turning operation is performed by the wireless control tablet personal computer. The invention can realize the automatic wireless page turning function, improves the page turning efficiency and solves the problem of manual page turning of players. After the wireless page turning device is arranged, a player can conveniently turn pages in the playing process, so that the player can concentrate on playing, and the quality of the performance is improved.

It should be noted that, referring to fig. 9, the processing module 520 includes an initial pairing unit 521, where the initial pairing unit 521 is configured to receive and respond to a wireless pairing initial instruction. The processing module 520 includes a wireless instruction processing unit 522 and a wire control instruction processing unit 523, where the wireless instruction processing unit 522 is configured to receive and respond to a wireless page turning control instruction, and the processing module is further configured to process the wireless page turning control instruction and then send a page turning instruction; the line control instruction processing unit 523 is configured to receive and respond to a wired page turning control instruction, and process the wired page turning control instruction, and then send a page turning instruction. The wireless remote controller can be connected with the processing module 520 in a wireless way by arranging the initial pairing unit 521, the control instruction of the wireless remote controller can be accepted by arranging the wireless instruction processing unit 522, and the control instruction of the foot control button can be accepted by arranging the wire control instruction processing unit 523.

It should be noted that, referring to fig. 10, the control module 510 includes a forward page turning unit 511, a reverse page turning unit 512, and a timing page turning unit 513, where the forward page turning unit is configured to output a forward page turning instruction, the reverse page turning unit is configured to output a timing page turning instruction, and the timing page turning unit is configured to output a timing page turning instruction. Thus, the forward page turning function can be realized by setting the forward page turning unit 511, the reverse page turning function can be realized by setting the reverse page turning unit 512, the timing page turning function can be realized by setting the timing page turning unit 513, the player does not need to manually turn pages, and the efficiency of playing is improved.

Referring to fig. 11, the wireless page turning device 500 further provides a wireless page turning method 20 for a music stand, which includes the following steps:

S110, sending a wireless pairing instruction; before the wireless connection is not performed, the mobile devices such as the tablet computer and the like need to be wirelessly connected with the wireless page turning device 500, so that the wireless page turning device 500 and the mobile devices need to open a wireless connection module at the same time, and then the wireless page turning device 500 sends a wireless pairing instruction to the wireless sending module 540.

S120, receiving and responding to the pairing instruction and sending a pairing request signal; the wireless transmitting module 540 receives the pairing instruction and transmits a request signal to the mobile device after processing, the mobile device wirelessly receives the request signal, confirms that the wireless connection with the wireless page turning device 500 is performed through the request signal, and then the mobile device sends a pairing feedback signal.

S130, receiving and responding to the pairing feedback signal, and sending a pairing processing signal; the wireless receiving module 530 receives and processes the pairing feedback signal, and then sends the pairing feedback signal to the processing module 520.

S140, judging whether the pairing processing signals meet preset conditions, if so, establishing wireless connection, and if not, refusing to establish the wireless connection; the processing module 520 determines whether to pair and establish a connection, where it is to be noted that the preset condition is that the pairing condition is satisfied when the pairing feedback signal is a connection approval, and the condition is not satisfied when the pairing feedback signal is a connection disapproval. That is, when the mobile device sends out an agreeable pairing feedback signal, a wireless connection is established, and when the mobile device sends out a disagreeable pairing feedback signal, the wireless connection is not performed.

S150, receiving and responding to a page turning control instruction, processing the page turning control instruction, and then sending the page turning instruction; when the wireless connection is established, the processing module 520 receives the page turning control instruction from the control module 510, and the processing module 520 processes the page turning control instruction and then sends the page turning instruction to the wireless sending module 540.

And S160, receiving and responding to the page turning instruction, and sending a page turning signal, wherein the page turning signal is used for controlling the mobile equipment to execute page turning operation. The wireless transmitting module 540 receives and processes the page turning command from the processing module 520, and then wirelessly transmits a page turning signal to the mobile device, and after receiving the page turning signal, the mobile device executes the page turning operation.

It should be noted that, before step S110, the following operations are also performed: and receiving and responding to the wireless pairing initial instruction. Before the mobile device is connected to the wireless page turning device 500, a wireless remote controller is also required to be wirelessly connected to the wireless page turning device 500.

In step S150, the step of receiving and responding to the page turning control instruction, and after processing the page turning control instruction, further sending the page turning instruction specifically further includes the following operations: it should be noted that, the control module 510 may send two kinds of page turning control instructions, the wireless remote controller may send a wireless page turning control instruction, and the foot control button may send a wired page turning control instruction.

S151, receiving and responding to the wireless page turning control instruction, processing the wireless page turning control instruction, and then sending the page turning instruction. When the wireless remote controller sends the wireless page turning control instruction, the wireless instruction processing unit 522 receives the wireless page turning control instruction, processes the wireless page turning control instruction, and then sends the page turning instruction.

S152, receiving and responding to the wired page turning control instruction, processing the wired page turning control instruction, and then sending the page turning instruction. When the foot control button sends a wired page-turning control instruction, the line control instruction processing unit 523 receives the wired page-turning control instruction and sends a page-turning instruction after processing.

Further, the page turning control instruction comprises a forward page turning instruction and a reverse page turning instruction. The page turning control instruction also comprises a timing page turning control instruction. The forward page turning unit 511 is configured to send a forward page turning instruction; the reverse page turning unit 512 is configured to send a reverse page turning instruction; the timing page turning unit 513 is configured to send a timing page turning control instruction to implement a timing page turning function.

Compared with the prior art, the invention has the following advantages:

The above embodiments represent only a few embodiments of the present invention, which are described in more detail and are not to be construed as limiting the scope of the present invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims

1. A music score rack comprising: the device comprises a base, an electric lifting device, a power supply device, a telescopic cradle head and a wireless page turning device, wherein the electric lifting device, the power supply device and the wireless page turning device are respectively arranged on the base;

the telescopic cradle head comprises a middle substrate, a pin assembly and a pulling back plate assembly, wherein the pin assembly is arranged on the middle substrate, and the pulling back plate assembly is in relative sliding connection with the middle substrate;

The base comprises a bottom shell, a shell and a fixing rod, wherein the bottom shell is connected with the shell, and the fixing rod is rotatably arranged on the shell;

the base also comprises a limiting assembly, the limiting assembly comprises a limiting elastic piece and a limiting block, the limiting block is arranged on the shell, one end of the limiting elastic piece is abutted with the shell, the other end of the limiting elastic piece is abutted with the limiting block, and the limiting block is clamped with one end, close to the shell, of the fixing rod;

the limiting assembly further comprises a limiting fixed column, a limiting hole is formed in the limiting block, the limiting fixed column penetrates through the limiting hole, and two ends of the limiting fixed column are fixed on the shell;

the fixing rods are arranged in a plurality, and the fixing rods are respectively arranged on the shell;

the outer tube is arranged on the base, the lifting assembly comprises an inner tube, a screw rod and a lifting driver, the inner tube is arranged in the outer tube in a sliding penetrating manner, the inner tube is connected with the telescopic cradle head, the screw rod is arranged in the inner tube and is in threaded engagement with the inner tube, the lifting driver is arranged on the base and is connected with the screw rod, and the lifting driver is used for driving the screw rod to rotate so as to drive the inner tube to ascend or descend relative to the base;

The control assembly comprises a circuit control board and a pedal control button, the circuit control board and the pedal control button are respectively arranged on the base, the pedal control button is electrically connected with the circuit control board, and the circuit control board is electrically connected with the lifting driver;

the lifting assembly further comprises a protective sleeve, wherein the protective sleeve is sleeved between the outer pipe and the inner pipe, and lubricating oil is arranged in the protective sleeve;

the protective sleeve is provided with a plurality of anti-slip protrusions, and the anti-slip protrusions are arranged at intervals;

the electric lifting device further comprises a rotating assembly, the rotating assembly comprises a fixed pipe body and a rotating fixed plate, the fixed pipe body is sleeved on the inner pipe, the telescopic tripod head is arranged on the rotating fixed plate, and the rotating fixed plate is in rotating connection with the fixed pipe body;

The rotating assembly further comprises a rotating fixing piece, wherein the rotating fixing piece penetrates through the rotating fixing plate and the fixing pipe body, and the rotating fixing piece is used for fixing the rotating fixing plate on the fixing pipe body;

The fixed pipe body is provided with a first rotary through hole, the rotary fixed plate is provided with a second rotary through hole, and the rotary fixed piece sequentially penetrates through the first rotary through hole and the second rotary through hole;

the fixed pipe body is used for sleeving the inner pipe;

The rotary fixing plate is used for fixing the telescopic cradle head on the fixed pipe body; the rotary fixing piece penetrates through the rotary fixing plate and the fixing tube body and is used for adjusting the fixed angle of the rotary fixing plate and the fixing tube body; the rotary fixing piece is arranged through the first rotary through hole and the second rotary through hole in a penetrating mode so as to fix the rotary fixing plate and the fixing pipe body at a certain angle;

The telescopic tripod head comprises: the device comprises a middle substrate, a pin assembly, a pull back plate assembly and a guide rail assembly, wherein the middle substrate is used as a fixed substrate to be connected with the pull back plate assembly, the pin assembly is used for enabling the pull back plate assembly to be pulled on the middle substrate, the pull back plate assembly is used for extending the size of the telescopic cradle head, and the guide rail assembly is used for guiding the middle substrate and the pull back plate assembly in the pulling direction.

2. The music stand of claim 1, wherein the power supply device further comprises a port assembly disposed on the circuit control board, the port assembly being electrically connected to the circuit control board.

3. The music score rack of claim 1, wherein the wireless page turning device comprises a controller, a wireless processing module and a wireless receiving and transmitting module, wherein the controller is electrically connected with the wireless processing module, and the wireless receiving and transmitting module is electrically connected with the wireless processing module.

4. A music score rack as claimed in claim 3, wherein the fixing rod is provided with a protection part, the protection part comprises a protection pad and a protection installation tube, the protection installation tube is arranged on the protection pad, and the protection installation tube is sleeved on the fixing rod.

5. A music stand according to claim 3, wherein the limit elastic member is a spring or elastic rubber.

6. The music stand of claim 4, wherein the housing is provided with a plurality of grooves, wherein the retaining rod and the spacing assembly are disposed within one of the grooves.

7. The music score rack of claim 6, wherein the base further comprises a rotating shaft, the fixing rod is provided with a rotating through hole, the rotating shaft penetrates through the rotating through hole, and two ends of the rotating shaft are respectively fixed on two side surfaces of the groove.

8. The music stand of claim 6, wherein the base further comprises a buffer block disposed within the recess, and the buffer block is located between the housing and the securing lever.