CN215118293U - Fixing device for piano metronome - Google Patents

Fixing device for piano metronome Download PDF

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Publication number
CN215118293U
CN215118293U CN202121266946.4U CN202121266946U CN215118293U CN 215118293 U CN215118293 U CN 215118293U CN 202121266946 U CN202121266946 U CN 202121266946U CN 215118293 U CN215118293 U CN 215118293U
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CN
China
Prior art keywords
metronome
piano
fixing
fixing device
buffer
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CN202121266946.4U
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Chinese (zh)
Inventor
胡琦
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Shandong Agricultural University
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Shandong Agricultural University
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Priority to CN202121266946.4U priority Critical patent/CN215118293U/en
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Publication of CN215118293U publication Critical patent/CN215118293U/en
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Abstract

The utility model provides a fixing device for piano metronome, including fixed case, fixing device and elevating gear, this device can be fixed in the piano with the metronome through setting up fixing device on, avoids removing the in-process metronome landing of piano, can adjust the height at the metronome place after fixing through setting up elevating gear, the inside buffer that is provided with of elevating gear, buffer can be lifting the piano, put down the piano, perhaps the in-process of going up and down the metronome is clapped the ware and is produced the buffering guard action, reduces the damage of metronome.

Description

Fixing device for piano metronome
Technical Field
The utility model relates to a metronome fixing device technical field particularly, relates to a piano is fixing device for metronome.
Background
In order to ensure that the piano practice is more complete and stable and the rhythm is more uniform, the metronome needs to be used in the piano practice process, professional fixation needs to be carried out on the metronome simultaneously, the height of the piano metronome at the position can not be adjusted by the existing fixing device for fixing the piano metronome after the metronome is fixed, and the existing fixing device for fixing the piano metronome is not provided with a buffer device, so that the piano metronome is easy to damage due to the unique pyramid shape and the pendulum needle and the pendulum bob on the front side of the piano metronome when the piano is moved.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the utility model provides a piano is fixing device for metronome aims at solving the piano for the metronome among the prior art and fixes the height at the metronome place after can't adjust again, and because not set up buffer, when removing the piano, the easy problem of taking place the damage of piano metronome.
A fixing device for a piano metronome comprises a fixing box, a fixing device and a lifting device, wherein the fixing device is arranged at the bottom of the fixing box and used for fixing the fixing box on a piano, the lifting device is arranged in the fixing box and used for adjusting the height of the metronome, the lifting device comprises a fixing frame, one side of the fixing frame is connected with one side of the inner wall of the fixing box, the bottom of the other side of the fixing frame is provided with a motor, an output shaft of the motor is connected with one end of a connecting rod, the other end of the connecting rod penetrates through the fixing frame and extends to the outside of the fixing frame, one end of the connecting rod extending to the outside of the fixing frame is connected with the inner side bottom of a jacking sleeve, the top of the jacking sleeve is connected with a sliding block, one end of the sliding block far away from the jacking sleeve is connected with one end of a lifting rod, the other end of the lifting rod penetrates through the fixing frame and extends to the top of the fixing frame, the lifting rod extends to one end of the top of the fixing frame and is connected with the bottom of the lifting disc, and the lifting disc is detachably connected with the metronome.
The utility model discloses an in the embodiment, the lifting disk is inside hollow structure, the one end of lifting disk is provided with the opening, the inboard bottom of lifting disk is provided with evenly distributed's buffer, buffer keeps away from the one end of lifting disk all is connected with the bottom of connecting plate, spacing hole has been seted up on the surface of connecting plate, the bottom of metronome is provided with spacing post, spacing hole all with spacing post looks adaptation.
In an embodiment of the present invention, the connecting plate is made of a silica gel material, and the inner diameter of the limiting hole is smaller than the outer diameter of the limiting post.
The utility model discloses an in one embodiment, buffer includes the cushion chamber, the one end of cushion chamber is provided with the opening, the inboard bottom of cushion chamber is provided with the buffer chip, the top of buffer chip is connected with the one end of telescopic link, the surface of telescopic link is around there being buffer spring, the other end of telescopic link extends to the outside of cushion chamber is connected with the bottom of buffer board, the external diameter size of buffer board is less than the internal diameter size of cushion chamber, the top of buffer board with the bottom of connecting plate is connected.
The utility model discloses an in an embodiment, fixing device includes the vacuum pump, the vacuum pump set up in the inboard bottom of fixed case, the inlet end of vacuum pump and the one end intercommunication of exhaust tube, evenly distributed's the branch pipe of bleeding is seted up to one side of exhaust tube, the branch pipe of bleeding is kept away from the one end of exhaust tube communicates with the inlet end of sucking disc respectively, the sucking disc all set up in the fixed bottom of the case portion, the sucking disc all with the bottom fixed connection of fixed case.
The utility model discloses an in one embodiment, the jacking sleeve is inside hollow structure, the telescopic cross sectional shape of jacking is right trapezoid, the opening has been seted up to the telescopic top surface of jacking, the telescopic top surface of jacking with the jacking sleeve is the slope setting, the spout has been seted up to the telescopic top surface of jacking, the slider along the inside slip of spout.
The utility model discloses an in one embodiment, one side of fixed case is offered and is used for opening and shutting the chamber door of fixed case, the top of fixed case is provided with the handle.
The utility model has the advantages that:
1. this device can adjust the height at metronome place after fixing through setting up elevating gear, the starter motor, it rotates to provide power drive jacking sleeve by the motor, jacking sleeve plays the supporting role to the slider, the slider plays the supporting role to the lifter, the lifter plays the supporting role to the metronome, because the plane at jacking telescopic top surface place is the inclined plane, at the rotatory in-process of jacking sleeve, when the slider slides by the eminence for jacking telescopic top surface by the low, the altitude at metronome place rises, when the slider slides by the eminence toward the low for jacking telescopic top surface, the altitude decline at metronome place, the speed that the metronome ascends or descends can be adjusted to the rotational speed through the accommodate motor.
2. The device can generate a buffer protection effect on the metronome in the process of moving the piano by arranging the buffer device, thereby reducing the damage of the metronome, can generate vertical impact effect on the metronome in the processes of lifting the piano, putting down the piano or lifting the metronome, when the metronome receives the downward impact effect, the telescopic rod moves downwards along with the metronome, the buffer spring receives the downward acting force, the buffer spring and the telescopic rod are compressed at the moment, a part of downward impact external force is consumed, the downward motion amplitude of the metronome is reduced, meanwhile, under the acting force of the buffer spring restoring deformation, the telescopic rod is driven to move upwards, the telescopic rod drives the metronome to move upwards, then, the metronome gradually tends to be stable and does not shake any more, when the metronome receives the upward impact effect, the telescopic rod moves upwards along with the metronome, the buffer spring receives the upward acting force, buffer spring and telescopic link have all been stretched this moment, have consumed partly ascending impact external force, have reduced the ascending motion range of metronome, simultaneously, restore under the effort of deformation at buffer spring, drive the telescopic link downstream, the telescopic link drives the metronome downstream, afterwards, the metronome tends to steadily no longer rocks gradually.
3. This device can be fixed in the metronome on the piano through setting up fixing device, avoid the in-process metronome landing at the removal piano, place the stationary box on the piano frame, press the stationary box gently, make the sucking disc tentatively adsorb on the piano frame, start the vacuum pump, the vacuum pump is evacuated to the air of sucking disc inside through looping through exhaust tube and exhaust branch pipe, make the sucking disc tightly adsorb on the piano frame, the position of stationary box is fixed this moment, insert the inside in spacing hole with the spacing post of the bottom of metronome, frictional force between spacing hole and the spacing post makes the metronome fixed on the lifter plate, because the position of stationary box is fixed, so the position of lifter plate is fixed the position of metronome is fixed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a front cross-sectional view of a fixing device for a piano metronome provided by the present invention;
fig. 2 is a schematic structural view of the fixing device provided by the present invention;
fig. 3 is a top view of the lifting plate provided by the present invention;
fig. 4 is a front sectional view of the lifting plate provided by the present invention;
fig. 5 is a schematic structural diagram of the buffering device provided by the present invention.
In the figure: 1-a stationary box; 101-a handle; 2-a fixing device; 201-a vacuum pump; 202-an air extraction pipe; 203-an air exhaust branch pipe; 204-a sucker; 3-a fixing device; 301-a mount; 302-a motor; 303-a connecting rod; 304-jacking sleeve; 305-a slide block; 306-a lifter; 307-lifting disc; 3070-a buffer device; 30701-a buffer chamber; 30702-a buffer sheet; 30703-a telescopic rod; 30704-a buffer spring; 30705-buffer board; 3071-connecting plate; 3072-limiting hole; 308-chute.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Examples
Referring to fig. 1-5, the present invention provides a technical solution:
a fixing device for a piano metronome comprises a fixing box 1, a fixing device 2 and a lifting device 3, wherein the fixing device 2 is arranged at the bottom of the fixing box 1 and used for fixing the fixing box 1 on a piano, the lifting device 3 is arranged in the fixing box 1 and used for adjusting the height of the metronome 4, the lifting device 3 comprises a fixing frame 301, one side of the fixing frame 301 is connected with one side of the inner wall of the fixing box 1, a motor 302 is arranged at the bottom of the other side of the fixing frame 301, an output shaft of the motor 302 is connected with one end of a connecting rod 303, the other end of the connecting rod 303 penetrates through the fixing frame 301 and extends to the outside of the fixing frame 301, one end of the connecting rod 303 extending to the outside of the fixing frame 301 is connected with the bottom of the inner side of a jacking sleeve 304, the top of the jacking sleeve 304 is connected with a sliding block 305, one end of the sliding block 305 far away from the jacking sleeve 304 is connected with one end of a lifting rod 306, the other end of the lifting rod 306 penetrates through the fixing frame 301 and extends to the top of the fixing frame 301, one end of the lifting rod 306 extending to the top of the fixed frame 301 is connected with the bottom of the lifting disc 307, and the lifting disc 307 is detachably connected with the metronome 4;
specifically, the fixing box 1 is fixed on a piano frame through the fixing device 2, the metronome 4 is connected with the lifting disc 307, at this time, the position of the metronome 4 is fixed, if the position of the fixed metronome 4 needs to be adjusted, the motor 302 is started, the motor 302 provides power to drive the jacking sleeve 304 to rotate, in the rotating process of the jacking sleeve 304, when the sliding block 305 slides from a low position to a high position relative to the top surface of the jacking sleeve 304, the height of the metronome 4 is increased, when the sliding block 305 slides from a high position to a low position relative to the top surface of the jacking sleeve 304, the height of the metronome 4 is decreased, and the speed of the metronome 4 increasing or decreasing can be adjusted by adjusting the rotating speed of the motor 302;
in this embodiment, the lifting tray 307 is an internal hollow structure, an opening is arranged at one end of the lifting tray 307, the bottom of the inner side of the lifting tray 307 is provided with uniformly distributed buffer devices 3070, one ends of the buffer devices 3070 far away from the lifting tray 307 are all connected with the bottom of a connecting plate 3071, a limiting hole 3072 is formed in the surface of the connecting plate 3071, a limiting column is arranged at the bottom of the metronome 4, and the limiting holes 3072 are all matched with the limiting column;
specifically, in the process of lifting the piano, putting down the piano, or lifting the metronome 4, the impact action in the up-and-down direction can be generated on the metronome 4, the buffer device 3070 can generate the buffer protection action on the metronome 4, the damage to the metronome 4 is reduced, the number and the positions of the limiting holes 3072 are in one-to-one correspondence with the number and the positions of the limiting posts, and the shapes of the limiting holes 3072 and the cross sections of the limiting posts are circular.
In this embodiment, the connecting plate 3071 is made of a silica gel material, and the inner diameter of the limiting hole 3072 is smaller than the outer diameter of the limiting column;
specifically, connecting plate 3071 that silica gel material made also can produce preliminary cushioning effect to metronome 4, insert the inside in spacing hole 3072 with the spacing post of the bottom of metronome 4, spacing hole 3072 and spacing post interference fit, frictional force between spacing hole 3072 and the spacing post makes metronome 4 fixed on lifter plate 307, can guarantee the zonulae occludens between metronome 4 and the lifter plate 307, still can make detachable connections between metronome 4 and the lifter plate 307.
In this embodiment, the buffering device 3070 includes a buffering cavity 30701, an opening is disposed at one end of the buffering cavity 30701, a buffering plate 30702 is disposed at the bottom of the inner side of the buffering cavity 30701, the top of the buffering plate 30702 is connected with one end of a telescopic rod 30703, a buffering spring 30704 is surrounded on the surface of the telescopic rod 30703, the other end of the telescopic rod 30703 extends to the outside of the buffering cavity 30701 and is connected with the bottom of a buffering plate 30705, the outer diameter of the buffering plate 30705 is smaller than the inner diameter of the buffering cavity 30701, and the top of the buffering plate 30705 is connected with the bottom of a connecting plate 3071;
specifically, the principle of the buffering function of the buffering device 3070 is as follows: when metronome 4 receives downward impact action, telescopic link 30703 moves downward along with metronome 4, buffer spring 30704 receives downward acting force, buffer spring 30704 and telescopic link 30703 are both compressed at this moment, a part of downward impact external force is consumed, the downward movement amplitude of metronome 4 is reduced, meanwhile, under the acting force that buffer spring 30704 recovers deformation, telescopic link 30703 is driven to move upward, telescopic link 30703 drives metronome 4 to move upward, then metronome 4 gradually tends to be stable and does not shake any more, when metronome 4 receives upward impact action, telescopic link 30703 moves upward along with metronome 4, buffer spring 30704 receives upward acting force, at this moment, buffer spring 30704 and telescopic link 30704 are both stretched, a part of upward impact external force is consumed, the upward movement amplitude of metronome 4 is reduced, and at the same time, under the acting force that buffer spring 30704 recovers deformation, the telescopic rod 30703 is driven to move downwards, the telescopic rod 30703 drives the metronome 4 to move downwards, and then the metronome 4 gradually tends to be stable and does not shake.
In this embodiment, the fixing device 2 includes a vacuum pump 201, the vacuum pump 201 is disposed at the bottom of the inner side of the fixing box 1, an air inlet end of the vacuum pump 201 is communicated with one end of the air exhaust pipe 202, one side of the air exhaust pipe 202 is provided with air exhaust branch pipes 203 which are uniformly distributed, one ends of the air exhaust branch pipes 203 far away from the air exhaust pipe 202 are respectively communicated with air inlet ends of the suckers 204, the suckers 204 are disposed at the bottom of the fixing box 1, and the suckers 204 are all fixedly connected with the bottom of the fixing box 1;
specifically, the principle of the fixing function of the fixing device 2 is as follows: placing the fixed box 1 on a piano frame, slightly pressing the fixed box 1 to enable the suction cup 204 to be initially adsorbed on the piano frame, starting the vacuum pump 201, evacuating air in the suction cup 204 by the vacuum pump 201 through the air exhaust pipe 202 and the air exhaust branch pipe 203 in sequence, enabling the suction cup 204 to be tightly adsorbed on the piano frame, and fixing the position of the fixed box 1 at the moment;
further, can dismantle fixedly on with fixed case 1 and the piano frame through sucking disc 204, can dismantle fixed case 1 from the piano frame after the user need not to use metronome 4, dismantle the process simple and conveniently, to the piano frame not damaged.
In this embodiment, the jacking sleeve 304 is a hollow structure, the cross section of the jacking sleeve 304 is in a right trapezoid shape, the top surface of the jacking sleeve 304 is provided with an opening, the top surface of the jacking sleeve 304 and the jacking sleeve 304 are arranged in an inclined manner, the top surface of the jacking sleeve 304 is provided with a sliding groove 308, and the sliding block 305 slides along the inside of the sliding groove 308;
specifically, the bottom of the chute 308 supports the slider 305, the slider 305 supports the lifting rod 306, the lifting rod 306 supports the lifting disk 307, and the lifting disk 307 supports the metronome 4.
In this embodiment, a box door for opening and closing the fixed box 1 is opened at one side of the fixed box 1, and a handle 101 is arranged at the top of the fixed box 1;
specifically, can get through the chamber door and take metronome 4, also be convenient for change or maintain vacuum pump 201 or motor 302, the portable handle 101 of user can be lifted fixed case 1, portable, and simultaneously, when dismantling fixed case 1 from the piano frame, portable handle 101 is also more laborsaving.
This fixing device for piano metronome's theory of operation: when the device is used, the fixed box 1 is placed on a piano frame, the fixed box 1 is lightly pressed to enable the suction cup 204 to be initially adsorbed on the piano frame, the vacuum pump 201 is started, the vacuum pump 201 evacuates air in the suction cup 204 through the air exhaust pipe 202 and the air exhaust branch pipe 203 in sequence to enable the suction cup 204 to be tightly adsorbed on the piano frame, the limiting column at the bottom of the metronome 4 is inserted into the limiting hole 3072, the metronome 4 is fixed on the lifting plate 307 through friction force between the limiting hole 3072 and the limiting column, the height of the metronome 4 is adjusted, the motor 302 is started, the motor 302 provides power to drive the lifting sleeve 304 to rotate, when the sliding block 305 slides from a low position to a high position relative to the top surface of the lifting sleeve 304, the height of the metronome 4 is increased, when the sliding block 305 slides from a high position to a low position relative to the top surface of the lifting sleeve 304, the height of the metronome 4 is decreased, in the process of adjusting the height of the metronome 4, an up-and-down impact action is generated on the metronome 4, when the metronome 4 receives a downward impact action, the telescopic rod 30703 moves downwards along with the metronome 4, the buffer spring 30704 receives a downward acting force, the buffer spring 30704 and the telescopic rod 30703 are both compressed at the moment, a part of downward impact external force is consumed, the downward movement amplitude of the metronome 4 is reduced, meanwhile, the telescopic rod 30703 is driven to move upwards under the acting force of the buffer spring 30704 recovering deformation, the telescopic rod 30703 drives the metronome 4 to move upwards, then, the metronome 4 gradually tends to be stable and does not shake any more, when the metronome 4 receives an upward impact action, the telescopic rod 30703 moves upwards along with the metronome 4, the buffer spring 30704 receives an upward acting force, the buffer spring 30704 and the telescopic rod 30703 are both stretched at the moment, and a part of upward impact external force is consumed, the upward motion amplitude of metronome 4 has been reduced, simultaneously, under the effort that buffer spring 30704 resumes deformation, drive telescopic link 30703 downstream, telescopic link 30703 drives metronome 4 downstream, and afterwards, metronome 4 gradually tends to steadily no longer rocks.
It should be noted that the specific model specifications of the vacuum pump 201 and the motor 302 need to be determined by model selection according to the actual specification of the device, and the specific model selection calculation method adopts the prior art in the field, so detailed description is omitted.
It should be noted that the power supply of the vacuum pump 201 and the motor 302 and the principle thereof are clear to those skilled in the art and will not be described in detail herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a fixing device for piano metronome, includes fixed case (1), fixing device (2) and elevating gear (3), its characterized in that: the fixing device (2) is arranged at the bottom of the fixing box (1) and used for fixing the fixing box (1) on a piano, the lifting device (3) is arranged in the fixing box (1) and used for adjusting the height of the metronome (4), the lifting device (3) comprises a fixing frame (301), one side of the fixing frame (301) is connected with one side of the inner wall of the fixing box (1), a motor (302) is arranged at the bottom of the other side of the fixing frame (301), an output shaft of the motor (302) is connected with one end of a connecting rod (303), the other end of the connecting rod (303) penetrates through the fixing frame (301) and extends to the outside of the fixing frame (301), the connecting rod (303) extends to the outside end of the fixing frame (301) and is connected with the bottom of the inner side of the jacking sleeve (304), and the top of the jacking sleeve (304) is connected with a sliding block (305), the slider (305) is kept away from the one end of jacking sleeve (304) is connected with the one end of lifter (306), the other end of lifter (306) runs through mount (301) and extends to the top of mount (301), lifter (306) extend to the one end at mount (301) top is connected with the bottom of lifter plate (307), lifter plate (307) with metronome (4) can dismantle the connection.
2. A fixing device for a piano metronome according to claim 1, wherein: lifting disk (307) are inside hollow structure, the one end of lifting disk (307) is provided with the opening, the inboard bottom of lifting disk (307) is provided with evenly distributed's buffer (3070), buffer (3070) are kept away from the one end of lifting disk (307) all is connected with the bottom of connecting plate (3071), spacing hole (3072) have been seted up on the surface of connecting plate (3071), the bottom of metronome (4) is provided with spacing post, spacing hole (3072) all with spacing post looks adaptation.
3. A fixing device for a piano metronome according to claim 2, wherein: the connecting plate (3071) is made of a silica gel material, and the inner diameter of the limiting hole (3072) is smaller than the outer diameter of the limiting column.
4. A fixing device for a piano metronome according to claim 2, wherein: buffer (3070) includes cushion chamber (30701), the one end of cushion chamber (30701) is provided with the opening, the inboard bottom of cushion chamber (30701) is provided with buffer wafer (30702), the top of buffer wafer (30702) is connected with the one end of telescopic link (30703), the surface of telescopic link (30703) is around there being buffer spring (30704), the other end of telescopic link (30703) extends to the outside of cushion chamber (30701) is connected with the bottom of buffer board (30705), the external diameter size of buffer board (30705) is less than the internal diameter size of cushion chamber (30701), the top of buffer board (30705) with the bottom of connecting plate (3071) is connected.
5. A fixing device for a piano metronome according to claim 1, wherein: fixing device (2) include vacuum pump (201), vacuum pump (201) set up in the inboard bottom of fixed case (1), the inlet end of vacuum pump (201) and the one end intercommunication of exhaust tube (202), evenly distributed's branch pipe (203) of bleeding is seted up to one side of exhaust tube (202), branch pipe (203) of bleeding is kept away from the one end of exhaust tube (202) communicates with the inlet end of sucking disc (204) respectively, sucking disc (204) all set up in fixed case (1) bottom, sucking disc (204) all with the bottom fixed connection of fixed case (1).
6. A fixing device for a piano metronome according to claim 1, wherein: jacking sleeve (304) are inside hollow structure, the cross sectional shape of jacking sleeve (304) is right trapezoid, the opening has been seted up to the top surface of jacking sleeve (304), the top surface of jacking sleeve (304) with jacking sleeve (304) are the slope setting, spout (308) have been seted up to the top surface of jacking sleeve (304), slider (305) along spout (308) inside slip.
7. A fixing device for a piano metronome according to claim 1, wherein: a box door used for opening and closing the fixed box (1) is arranged on one side of the fixed box (1), and a lifting handle (101) is arranged at the top of the fixed box (1).
CN202121266946.4U 2021-06-08 2021-06-08 Fixing device for piano metronome Expired - Fee Related CN215118293U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121266946.4U CN215118293U (en) 2021-06-08 2021-06-08 Fixing device for piano metronome

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121266946.4U CN215118293U (en) 2021-06-08 2021-06-08 Fixing device for piano metronome

Publications (1)

Publication Number Publication Date
CN215118293U true CN215118293U (en) 2021-12-10

Family

ID=79304649

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121266946.4U Expired - Fee Related CN215118293U (en) 2021-06-08 2021-06-08 Fixing device for piano metronome

Country Status (1)

Country Link
CN (1) CN215118293U (en)

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Granted publication date: 20211210

CF01 Termination of patent right due to non-payment of annual fee