The present invention relates to the technical field of music equipment, more particularly to an automatic score page turning device.
During a musical performance, it is usually necessary to manually flip through music scores in an orderly manner. However, a manual page turning easily results in inconvenience to a player in operation, especially for difficult performances. The manual page turning tends to degrade the quality of musical performance.
In the prior art, an automatic page turning of music scores can be realized by adopting an automatic score page turning device. The automatic score page turning device generally comprises: a plurality of pieces of score paper or score paper bags, and a page turning mechanism configured to drive the paper or the paper bags to be turned over. However, when a rotating arm in an existing automatic score turning device drives the paper or the paper bags to the other side, the rotating arm is difficultly disengaged from the paper or the paper bags, and a phenomenon that the paper or the paper bags may be brought back by the rotating arm may occur when the page turning operation is continued, thereby adversely affects the performance.
The technical problem to be solved by the present invention is to provide an automatic score page turning device where a rotating arm is easily attracted to or disengaged from score paper or score paper bags in a turning process, in view of the drawbacks in the prior art.
The technical solution adopted by the present invention to solve its technical problem is to construct an automatic score page turning device, comprising: a plurality of pieces of score paper or score paper bags provided with a first magnetic member, and a page turning mechanism configured to drive the paper or the paper bags to be turned over, wherein the page turning mechanism comprises: a rotating arm assembly mounted with a second magnetic member, and a first motor configured to drive a rotation of the rotating arm assembly; the rotating arm assembly comprises: a rotating arm drivingly connected with the first motor and a swinging arm movably mounted on the rotating arm; the second magnetic member is mounted on the swinging arm; and the page turning mechanism further comprises a driving arm configured to drive the swinging arm to swing towards or away from one side of the first magnetic member.
In the automatic score page turning device of the present invention, the driving mechanism comprises a second motor mounted on the rotating arm; and the swinging arm is drivingly connected to a motor shaft of the second motor.
In the automatic score page turning device of the present invention, the driving mechanism further comprises a worm and worm wheel mechanism drivingly connected between the swinging arm and the motor shaft of the second motor.
In the automatic score page turning device of the present invention, the driving mechanism comprises: a third motor, a first rotating wheel drivingly connected with the third motor, a second rotating wheel rotatably mounted on the rotating arm, and a driving belt drivingly connected between the first rotating wheel and the second rotating wheel; and the swinging arm is mounted on the second rotating wheel.
In the automatic score page turning device of the present invention, the driving belt is a nylon cord.
In the automatic score page turning device of the present invention, outer walls of both of the first rotating wheel and the second rotating wheel are provided with an annular groove; and the driving belt is engaged in the annular groove.
In the automatic score page turning device of the present invention, the rotating arm has a hollow structure; and the driving belt is threaded in the rotating arm.
In the automatic score page turning device of the present invention, the swinging arm and the second rotating wheel are in an integrated structure.
In the automatic score page turning device of the present invention, the automatic score turning device further comprises a cover having a front cover and a back cover; and the first motor is mounted on an exterior side between the front cover and the back cover.
In the automatic score page turning device of the present invention, the paper bags comprise a bag body having an opening on one side, and a fixing member inserted in the bag body; and the first magnetic member is mounted on the fixing member.
The automatic score page turning device embodying the present invention has the advantageous effects that the automatic score page turning device adopts a structure of the driving mechanism configured to drive the swinging arm towards or away from one side of the first magnetic member, the first magnetic member and the second magnetic member are attracted to each other, when the rotating arm assembly is rotated to one side. At this time, the rotating arm assembly can drive the paper or the paper bags to be turned over. When the rotating arm assembly is rotated to the other side, the control driving mechanism can move the swinging arm away from one side of the first magnetic member, so that the first magnetic member and the second magnetic member are disengaged from each other. At this time, the rotating arm assembly can be disengaged from the paper or the paper bags, thereby facilitating a reciprocating page turning operation of the page turning mechanism. The automatic score turning device has advantages of simple structure and easier operation, and can effectively prevent the rotating arm assembly from being disengaged from the paper or the paper bags in the rotation process, and a phenomenon that the paper or the paper bags may be brought back by the rotating arm may occur when the page turning operation is continued.
The present invention will be further described below in combination with the accompanying drawings and embodiments.
In order to make the objectives, technical solutions and advantages of the present invention more clear, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments.
It should be understood that the specific embodiments described herein are given solely for the purpose of illustration and are not to be construed as limitations of the present invention. It should be noted that in a case where an element is referred to as being “secured to” or “disposed at” the other element, it can be directly on the other element or a centering element may coexist. And in a case where an element is referred to as being “connected to” the other element, it can be either directly connected to the other element or a centering element may coexist. It should also be noted that orientations, such as left, right, upper, lower, in the embodiments of the present invention are merely opposing concepts or a normal use state of a product is taken as reference, which should not be construed as limiting.
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The controller is configured to control operations of the first motor 22 and the second motor 231. The switch realizes a wireless communication connection with the controller, and the operations of the first motor 22 and the second motor 231 can be controlled by operating the switch. In this embodiment, the switch is a foot switch, and such structure can be adopted to facilitate a player to step on the switch with foot, so as to control operations of the automatic score page turning device. In this embodiment, both the controller and the switch adopt a common structure in the prior art, and thus the details will not be repeated herein.
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Regarding use of the automatic page score turning device as described in the embodiments, since the automatic score page turning device adopts a structure of the driving mechanism 23 configured to drive the swinging arm 212 to swing towards or away from one side of the first magnetic member 3, when the rotating arm assembly 21 is rotated to one side, the first magnetic member 3 and the second magnetic member 4 are attracted to each other. At this time, the rotating arm assembly 21 can drive the paper or the paper bags 1 to be turned over. When the rotating arm assembly 21 is rotated to the other side, the control driving mechanism 23 can move the swinging arm 212 towards one side away from the first magnetic member 3, so that the first magnetic member 3 and the second magnetic member 4 are disengaged from each other. At this time, the rotating arm assembly 21 can be disengaged from the paper or the paper bags 1, thereby facilitates the reciprocating page turning operation of the page turning mechanism 2. The automatic score turning device has advantages of simple structure and easier operation, and can effectively avoid the difficult of the rotating arm assembly 21 of being disengaged from the paper or the paper bags 1 in the rotation process, and a phenomenon that the paper or the paper bags may be brought back by the rotating arm may occur when the page turning operation is continued.
In another embodiment of the present invention, referring to
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In this embodiment, preferably, outer walls of the first rotating wheel 234 and the second rotating wheel 235 are both provided with an annular groove (not shown), and the driving belt 236 is engaged in the annular groove. The structure of the above annular groove can improve stability of the driving between the driving belt 236 and the first rotating wheel 234, the second rotating wheel 235, and a slipping phenomenon does not easily occur.
In this embodiment, preferably, the rotating arm 211 has a hollow structure, and the driving belt 236 is threaded in the rotating arm 211. With this structure, the driving belt 236 is housed in the rotating arm 211 in a more compact structure, the disturbance to the driving mechanism 23 can be effectively prevented during the movement, and a more stable driving is realized.
The embodiments of the present invention have been described above with reference to the companying drawings, however, the present invention is not limited to the specific embodiments described above, and the embodiments are given solely for the purpose of illustration and are not to be construed as limitations. A person skilled in the art, having benefit of this invention, will further make a plurality of modifications within the scope of the invention and without departing from the spirit of the invention and the scope of claims.
Number | Date | Country | Kind |
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201711187406.5 | Nov 2017 | CN | national |
This application is the national phase entry of International Application No. PCT/CN2017/116348, filed on Dec. 15, 2017, which is based upon and claims priority to Chinese Patent Application No. 201711187406.5, filed on Nov. 24, 2017, the entire contents of which are incorporated herein by reference.
Filing Document | Filing Date | Country | Kind |
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PCT/CN2017/116348 | 12/15/2017 | WO | 00 |