Foot pad device of piano stool
By designing a detachable piano stool footrest, the problem of high conversion costs for existing height-adjustable piano stools was solved, achieving flexible foot support and space utilization, and reducing conversion costs.
Patent Information
- Application Number
- CN202520746143.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-18
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-04-18
AI Technical Summary
The existing height-adjustable piano benches are all one-piece structures, which means that training institutions need to purchase additional ones, resulting in the original piano benches being idle and wasted, and the cost of modification is high.
Design a detachable piano bench footrest, including a U-shaped retainer, crossbeam, connecting arm, and pedal, with height and angle adjustable via locking bolts and torsion springs, suitable for standard piano benches, providing foot support.
It reduces renovation costs, improves the comfort of young children practicing the piano, and can be disassembled and stored when not in use, without taking up space under the piano bench.
Smart Images
Figure CN223799526U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of musical instruments, especially a foot rest of a piano stool. BACKGROUND
[0002] With the continuous improvement of living standards, more and more young children also begin to learn piano. In the piano training classroom, the configured piano and piano stool are standard sizes. When the young children practice the piano, the legs are suspended for a long time, and the body feeling is not good.
[0003] At present, there are also piano stools with adjustable height. However, these piano stools are of an integrated structure, and the training institutions need to purchase additional ones and replace the original matching piano stool, which has a high replacement cost and also causes the original piano stool to be idle and wasted.
[0004] Therefore, it is a problem to be solved by those skilled in the art to design a foot rest that can be individually detached and applied to a matching piano stool of a piano. SUMMARY
[0005] The utility model aims at the shortage of the prior art, and provides a foot rest of a piano stool, which has a simple structure, low production cost, can be directly assembled on a standard piano stool, and adjusts the height to support the suspended legs, thereby effectively reducing the conversion cost on the basis of improving the comfort of the young children when practicing the piano.
[0006] The technical scheme of the utility model is: a foot rest of a piano stool, which comprises a U-shaped fixing device, a cross beam, a connecting arm, and a pedal. The U-shaped fixing device is connected to any leg of the piano stool on the front side and is locked in position by a locking bolt. One end of the cross beam is fixedly connected to the U-shaped fixing device, and the other end extends horizontally towards the other leg of the piano stool on the front side. One end of the connecting arm is sleeved on the cross beam and is circumferentially limited, and the other end of the connecting arm extends obliquely forward and downward. The pedal is hingedly connected to the extended end of the connecting arm and is limited in rotation by a torsional spring.
[0007] The U-shaped fixing device, the cross beam, the connecting arm, and the pedal are all made of plastic.
[0008] A through hole is arranged on the extended end of one side edge of the U-shaped fixing device, and a threaded hole is arranged on the extended end of the other side edge. The through hole and the threaded hole correspond to each other. The threaded rod of the locking bolt passes through the through hole and is threadedly connected to the threaded hole, so that the distance between the two side edges of the U-shaped fixing device can be adjusted.
[0009] The connecting arm comprises an upper connecting arm and a lower connecting arm. The top surface of the upper connecting arm is provided with a mounting groove that penetrates in the length direction. One end of the lower connecting arm is hingedly connected to one end of the mounting groove of the upper connecting arm.
[0010] The cross section of the cross beam is rectangular, one end of the connecting arm is fixedly provided with a rectangular frame, the connecting arm is sleeved on the cross beam through the rectangular frame, and is circumferentially limited.
[0011] The pedal is in a rectangular structure, a hinge gap is arranged in the middle of one long side of the pedal in the rectangular structure, a hinge shaft is arranged in the hinge gap, the extending end of the connecting arm extends into the hinge gap, and a through hole is arranged, the pedal is hingedly connected by the hinge shaft passing through the through hole of the connecting arm, and the torsional spring is sleeved on the hinge shaft and fixed at one end of the connecting arm and at the other end of the pedal.
[0012] The above technical scheme has the following beneficial effects:
[0013] 1. The foot rest of the piano stool comprises a U-shaped fixer, a cross beam, a connecting arm and a pedal. The U-shaped fixer is clamped on any one of the front legs of the piano stool and is locked in position by a locking bolt, that is, the height of the U-shaped fixer on the leg of the piano stool is adjustable and the position is lockable. One end of the cross beam is fixedly connected with the U-shaped fixer, and the other end extends horizontally towards the other front leg of the piano stool, that is, the height of the cross beam can be adjusted with the U-shaped fixer, and the cross beam is located between the two front legs of the piano stool and does not affect the normal use of the piano stool. One end of the connecting arm is sleeved on the cross beam and is circumferentially limited, that is, the connecting arm can slide horizontally along the cross beam and the angle of the connecting arm is fixed. The other end of the connecting arm extends obliquely forward and downward, the pedal is hingedly connected to the extending end of the connecting arm, and the rotation angle is limited by the torsional spring. In the storage state, the connecting arm is shifted to one end of the cross beam, and the pedal is folded on the connecting arm, reducing the space occupied by the foot rest under the piano stool. When the foot rest is needed, the connecting arm is shifted to the middle position of the cross beam, the foot rest is turned over, the torsional spring is energized, and the child's foot is placed on the pedal to support the child's foot, effectively ensuring the comfort of the child. When the foot rest is not needed, the foot rest can be disassembled and stored without interfering with each other.
[0014] 2. A through hole is arranged on the extending end of one side edge of the U-shaped fixer, and a threaded hole is arranged on the extending end of the other side edge, the through hole and the threaded hole correspond to each other, the threaded rod of the locking bolt passes through the through hole and is threadedly connected with the threaded hole, so that the distance between the two side edges of the U-shaped fixer is adjustable, the U-shaped fixer is clamped on the leg of the piano stool by rotating the locking bolt, the connection stability of the U-shaped fixer and the leg in front of the U-shaped fixer is ensured, and the height of the U-shaped fixer is conveniently adjusted.
[0015] 3. The connecting arm comprises an upper connecting arm and a lower connecting arm, the top surface of the upper connecting arm is provided with a mounting slot penetrating along the length direction, one end of the lower connecting arm is hingedly connected to one end of the mounting slot of the upper connecting arm, in the unfolded state, the upper connecting arm and the lower connecting arm are connected to form a straight line, so as to ensure the extension length of the connecting arm, and in the storage state, the lower connecting arm can be stored in the upper connecting arm, and the pedal is located below the piano stool, so that the space below the piano stool is expanded, and normal use of the piano stool is ensured.
[0016] Further description will be made below in combination with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS
[0017] Fig. 1 Figure 1 is a schematic view of the installation of the utility model;
[0018] Fig. 2 Figure 2 is a schematic view of the structure of the U-shaped fixer of the utility model;
[0019] Fig. 3 Figure 3 is a schematic view of the cooperation of the rectangular frame and the cross beam of the utility model;
[0020] Fig. 4 Figure 4 is a schematic view of the cooperation of the lower connecting arm and the pedal of the utility model.
[0021] In the drawings, 1 is a U-shaped fixer, 11 is a via hole, 12 is a threaded hole, 2 is a cross beam, 3 is a connecting arm, 31 is an upper connecting arm, 32 is a lower connecting arm, 33 is a mounting slot, 34 is a rectangular frame, 35 is a through hole, 4 is a pedal, 41 is a hinged notch, 42 is a hinge shaft, 5 is a locking bolt, and 6 is a torsional spring. DETAILED DESCRIPTION
[0022] Reference should be made to Figs. 1 to 4The utility model provides a specific embodiment of a foot rest of a piano stool. The foot rest of the piano stool comprises a U-shaped fixture 1, a crossbeam 2, a connecting arm 3 and a pedal 4, all of which are made of plastic. The U-shaped fixture 1 is clamped on any leg of the piano stool on the front side, and the position is locked by a locking bolt 5. Specifically, a through hole 11 is arranged on the extended end of one side of the U-shaped fixture 1, and a threaded hole 12 is arranged on the extended end of the other side. The through hole 11 and the threaded hole 12 correspond to each other. The threaded rod of the locking bolt 5 passes through the through hole 11 and is screwed with the threaded hole 12, so that the distance between the two side edges of the U-shaped fixture 1 can be adjusted. In this embodiment, the U-shaped fixture is clamped on the leg on the left side of the front side of the piano stool. Obviously, in order to facilitate adjustment, the through hole is arranged on the outer side, and the threaded hole is arranged on the inner side. The left end of the crossbeam 2 is fixedly connected with the U-shaped fixture 1, and the right end extends horizontally towards the other leg of the piano stool on the front side. The crossbeam can be fixed on the U-shaped fixture by heat sealing or riveting. Specifically, the crossbeam is in the form of a square tube. One end of the connecting arm 3 is sleeved on the crossbeam 2 and is circumferentially limited. The other end of the connecting arm 3 extends obliquely forward and downward. In this embodiment, one end of the connecting arm 3 is fixedly provided with a rectangular frame 34. The connecting arm 3 is sleeved on the crossbeam 2 through the rectangular frame 34 and is circumferentially limited. This structure is simple, convenient to process, and good in circumferential limiting effect of the connecting arm. In order to facilitate storage, the connecting arm 3 comprises an upper connecting arm 31 and a lower connecting arm 32. The top surface of the upper connecting arm 31 is provided with a mounting groove 33 penetrating along the length direction. One end of the lower connecting arm 32 is hingedly connected to one end of the mounting groove 33 of the upper connecting arm. The pedal 4 is hingedly connected to the extended end of the connecting arm 3 and is limited in the rotation angle by a torsional spring 6. Specifically, the pedal 4 is in the form of a rectangle. A hinged gap 41 is arranged in the middle of one long side of the pedal in the form of a rectangle. A hinge shaft 42 is arranged in the hinged gap 41. The extended end of the connecting arm 3 extends into the hinged gap 41 and is provided with a through hole 35. The pedal 4 is hingedly connected to the connecting arm through the hinge shaft 42 and the through hole 35 of the connecting arm. The torsional spring 6 is sleeved on the hinge shaft 42 and one end thereof is fixedly connected to the connecting arm 3 and the other end thereof is fixedly connected to the pedal 4.
[0023] The working principle of the utility model is as follows: the height of the U-shaped fixture and the horizontal position of the connecting arm are adjusted, the position of the pedal is appropriate, the pedal is turned over, a young child sits on the piano stool, steps on the pedal, and maintains the angle of the pedal, so that the foot of the young child is supported. When the foot rest is not needed, the pedal is overlapped on the connecting arm, the lower connecting arm is turned upward and stored in the mounting groove of the upper connecting arm, the pedal is finally located below the piano stool, the connecting arm is shifted to be close to the leg of the piano stool on the left side, and the piano stool can be normally used. After folding, the foot rest can be disassembled and stored.
Claims
1. A footrest for a piano bench, characterized by: The utility model relates to a fixing device for piano stool, which comprises a U-shaped fixing device (1), a crossbeam (2), a connecting arm (3) and a pedal (4). The U-shaped fixing device (1) is clamped on any stool leg of the front side of the piano stool and locked in position by a locking bolt (5). One end of the crossbeam (2) is fixedly connected with the U-shaped fixing device (1), and the other end extends horizontally towards the other stool leg of the front side of the piano stool. One end of the connecting arm (3) is sleeved on the crossbeam (2) and circumferentially limited, and the other end of the connecting arm (3) extends obliquely forward and downward. The pedal (4) is hingedly connected to the extended end of the connecting arm (3) and the rotation angle is limited by a torsion spring (6).
2. The leg rest for a piano bench according to claim 1, wherein: The U-shaped fixing device (1), the crossbeam (2), the connecting arm (3) and the pedal (4) are all made of plastic.
3. A foot prop for a piano bench according to claim 1 or 2, wherein: A through hole (11) is arranged on the extended end of one side edge of the U-shaped fixing device (1), and a threaded hole (12) is arranged on the extended end of the other side edge, the through hole (11) and the threaded hole (12) correspond to each other, the screw rod of the locking bolt (5) passes through the through hole (11) and is screwed with the threaded hole (12), so that the distance between the two side edges of the U-shaped fixing device (1) can be adjusted.
4. The leg rest of a piano bench according to claim 1, wherein: The connecting arm (3) comprises an upper connecting arm (31) and a lower connecting arm (32), the top surface of the upper connecting arm (31) is provided with a mounting groove (33) penetrating in the length direction, and one end of the lower connecting arm (32) is hingedly connected to one end of the mounting groove (33) of the upper connecting arm.
5. The leg rest for a piano bench according to claim 1, wherein: The crossbeam (2) has a rectangular cross section, and a rectangular frame (34) is fixedly arranged on one end of the connecting arm (3), the connecting arm (3) is sleeved on the crossbeam (2) through the rectangular frame (34) and is circumferentially limited.
6. The leg rest of a piano bench according to claim 1, wherein: The pedal (4) has a rectangular structure, the rectangular structure has a hinged notch (41) in the middle of one long side, the hinged notch (41) is provided with a hinge shaft (42), the extended end of the connecting arm (3) extends into the hinged notch (41) and is provided with a through hole (35), the pedal (4) is hingedly connected to the connecting arm through the hinge shaft (42) and the through hole (35) of the connecting arm, the torsion spring (6) is sleeved on the hinge shaft (42) and one end is fixedly connected with the connecting arm (3) and the other end is fixedly connected with the pedal (4).