CN210403155U

CN210403155U - Novel piano pedal

Info

Publication number: CN210403155U
Application number: CN201920915040.7U
Authority: CN
Inventors: 金勇�
Original assignee: Beijing Jiangjie Piano City Co Ltd
Current assignee: Beijing Jiangjie Piano City Co Ltd
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-04-24
Anticipated expiration: 2029-06-18

Abstract

The utility model discloses a novel piano pedal in the technical field of pianos, one end of the pedal is fixedly connected with a first pedal rod, one end of the first pedal rod is movably sleeved in an inner cavity of a second pedal rod, one end of the second pedal rod is provided with a mounting hole, the side wall of the pedal is provided with an adjusting gear, the adjusting gear is connected with a bevel gear set through a transmission shaft, the bevel gear set arranged in the inner cavity of the first adjusting rod is connected with a driving gear through the transmission shaft, the driving gear is rotatably arranged on the outer wall of the first pedal rod, the inner cavity of the second pedal rod is provided with a gear groove, the side wall of a limiting disc is provided with a magnetic limiting column, a turntable is arranged on one side of the limiting disc, a rotating shaft is fixedly inserted in the center of the turntable, one end of the limiting rod is provided with a limiting iron sheet, the utility model has the function, the comfort level of the user is improved, and the practicability is high.

Description

Novel piano pedal

Technical Field

The utility model relates to a piano technical field specifically is a novel piano footboard.

Background

The piano is a keyboard instrument in Western classical music and is known as the king of the instrument. The piano mainly comprises a pedal, tuning pins, hammers and dampers. The piano comprises a string striking machine, a soundboard and keys, wherein pedals are pedals which are stepped on by feet under the piano. It is the most important accessory in pianos, except for the keyboard. The pedal is divided into a right pedal, also called a damper pedal and a resonance pedal, and when the damper pedal is pressed down, the damper pressed on the string at ordinary times is raised immediately. All the strings are made to continue vibrating, and after the pedal is released, all the dampers are pressed on the strings to stop sounding; in the platform piano, when the soft pedal is stepped on, a hammer can be pushed aside immediately, so that the volume is reduced, and the sound becomes very pure and soft; the middle pedal is a pedal with special performance, the purpose of the middle pedal of the grand piano is a specific continuous tone pedal, the usage is to firstly bounce and keep keys, the specific delay pedal is not needed to be stepped on, the bounced keys can continue to delay, and other keys are not influenced

The pedal is an indispensable component of the piano, and the current pedal can not adjust the front position and the rear position, so that a user feels uncomfortable when using the pedal and influences the use of the piano.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel piano footboard to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel piano pedal comprises a pedal plate, wherein one end of the pedal plate is fixedly connected with a first pedal rod, one end of the first pedal rod is movably sleeved in a second pedal rod inner cavity, one end of the second pedal rod is provided with a mounting hole, the side wall of the pedal plate is provided with an adjusting gear, the adjusting gear is connected with a conical gear set through a transmission shaft, the conical gear set is arranged in the pedal plate inner cavity and fixedly connected with one end of an adjusting screw rod, the adjusting screw rod sequentially penetrates through the pedal plate and the first pedal rod and is connected with another conical gear set, the conical gear set arranged in the first adjusting rod inner cavity is connected with a driving gear through the transmission shaft, the driving gear is rotatably arranged on the outer wall of the first pedal rod, the second pedal rod inner cavity is provided with a gear groove, the driving gear is meshed with the gear groove, and the other end of the transmission shaft connected with the adjusting gear penetrates through the pedal plate and is, the limiting disc is characterized in that a magnetic limiting column is arranged on the side wall of the limiting disc, a rotary disc is arranged on one side of the limiting disc, a rotary shaft is fixedly inserted in the center of the rotary disc, a limiting rod is fixedly connected to the side wall of the rotary disc, and a limiting iron sheet is arranged at one end of the limiting rod.

Further, the second foot rest is the columnar structure that the inner chamber was seted up and is fallen protruding type groove, gear groove sets up on second foot rest inner chamber lateral wall, first foot rest and second foot rest mutual adaptation.

Furthermore, the length of the limiting rod is equal to the length of a connecting line between the limiting disc and the central point of the turntable, and one end of the limiting rod is fixedly sleeved at one end of the rotating shaft.

Further, rotation axis one end is connected with the footboard rotation, just the axis of rotation outer wall cover is equipped with the torsional spring.

Furthermore, the limiting iron sheet is of a semicircular structure matched with the outer wall of the magnetic limiting column.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses simple structure, and reasonable design, when needing to adjust the position around the footboard, put the foot on the gag lever post and apply decurrent power, make spacing iron sheet break away from the spacing post of magnetism, put another foot on adjusting gear again, and promote the adjusting gear and rotate, transmission through conical gear group and lead screw, drive gear rotates, drive gear moves on along the cogged groove, make first step pole slowly follow second step pole inner chamber roll-off, thereby adjust the fore-and-aft position of footboard, accommodation process convenient and fast, user's comfort level has been improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of another perspective structure of the present invention;

fig. 3 is the schematic view of the mounting structure of the adjusting screw rod of the present invention.

In the figure: 1. a foot pedal; 2. a first foot bar; 3. a second foot bar; 4. mounting holes; 5. an adjusting gear; 6. a drive shaft; 7. a bevel gear set; 8. adjusting the screw rod; 9. a drive gear; 10. a gear groove; 11. a limiting disc; 12. a magnetic spacing column; 13. a turntable; 14. a rotating shaft; 15. a limiting rod; 16. and limiting iron sheets.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.

Referring to fig. 1-3, the present invention provides a technical solution: a novel piano pedal comprises a pedal plate 1, one end of the pedal plate 1 is fixedly connected with a first pedal rod 2, one end of the first pedal rod 2 is movably sleeved in an inner cavity of a second pedal rod 3, one end of the second pedal rod 3 is provided with a mounting hole 4 for being connected with a piano, the side wall of the pedal plate 1 is provided with an adjusting gear 5, the adjusting gear 5 is pushed to rotate by a sole, so that the front and back positions of the pedal plate 1 are adjusted, the adjusting gear 5 is connected with a conical gear set 7 through a transmission shaft 6, the conical gear set 7 is arranged in the inner cavity of the pedal plate 1, the conical gear set 7 is fixedly connected with one end of an adjusting screw rod 8, the adjusting screw rod 8 sequentially penetrates through the pedal plate 1 and the first pedal rod 2 and is connected with another conical gear set 7, and the adjusting screw rod 8 is driven to synchronously drive a driving gear 9 to rotate through the, thereby enabling the driving gear 9 to move along the gear groove 10, the bevel gear set 7 arranged in the inner cavity of the first pedal rod 2 is connected with the driving gear 9 through the transmission shaft 6, the driving gear 9 is rotatably arranged on the outer wall of the first pedal rod 2, the inner cavity of the second pedal rod 3 is provided with the gear groove 10, the driving gear 9 is meshed and connected with the gear groove 10, the other end of the transmission shaft 6 connected with the adjusting gear 5 penetrates through the pedal plate 1 and is fixedly connected with the limiting disc 11, the side wall of the limiting disc 11 is provided with a magnetic limiting column 12, used for fixing the position of the first pedal rod 2, one side of the limiting disc 11 is provided with a rotating disc 13, the center of the rotating disc 13 is fixedly inserted with a rotating shaft 14, and the side wall of the rotary table 13 is fixedly connected with a limiting rod 15, one end of the limiting rod 15 is provided with a limiting iron sheet 16, the position of the limiting rod 15 is controlled by the sole, and the position of the pedal 1 is controlled and fixed by matching the connection between the limiting iron sheet 16 and the magnetic limiting column 12.

Second foot rest pole 3 is the columnar structure that the inner chamber seted up the type groove of falling protruding, and gear groove 10 is seted up on 3 inner chamber lateral walls of second foot rest pole, and the drive gear 9 of being convenient for is connected with gear groove 10 meshing, drives first foot rest pole 2 and stretches out and draws back, first foot rest pole 2 and the mutual adaptation of second foot rest pole 3.

Drive gear 9 inlays and locates 2 one end lateral walls of first foot bar, 2 one end outer walls of first foot bar and 3 inner wall sliding connection of second foot bar, and the mounting groove has been seted up to 2 one end of first foot bar for installation bevel gear 7.

The length of the limiting rod 15 is equal to the length of the connecting line of the central points of the limiting disc 11 and the rotating disc 13, so that the limiting rod 15 drives the limiting iron sheet 16 to be connected with and separated from the magnetic limiting column 12 conveniently, and one end of the limiting rod 15 is fixedly sleeved at one end of the rotating shaft 14.

One end of the rotating shaft 14 is rotatably connected with the pedal 1, and a torsion spring is sleeved on the outer wall of the rotating shaft 14, so that the limiting rod 15 can be driven to automatically reset when the limiting rod 15 is loosened.

The limiting iron sheet 16 is of a semicircular structure which is adapted to the outer wall of the magnetic limiting column 12, is convenient to be in close contact with the magnetic limiting column 12, and plays a role in limiting and fixing.

Example (b): the user puts the foot on gag lever post 15 and applys decurrent force, it rotates to drive carousel 13, make spacing iron sheet 16 break away from spacing post 12 of magnetism, support gag lever post 15 motionless with the foot after spacing iron sheet 16 breaks away from spacing post 12 of magnetism, put another foot on adjusting gear 5 again simultaneously, and promote adjusting gear 5 and rotate, transmission through conical gear group 7 and accommodate the lead screw 8, it rotates to drive gear 9, make drive gear 9 remove on gear groove 10, thereby make first step pole 2 slowly follow 3 inner chambers roll-off of second step pole, thereby adjust the fore-and-aft position of running-board 1, when running-board 1 adjusts suitable position, loosen the foot that supports gag lever post 15, spacing iron sheet 16 and the spacing post 12 of magnetism are contacted again, form spacing fixed, accomplish accommodation process.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A novel piano pedal comprises a pedal plate (1), and is characterized in that: one end of the pedal plate (1) is fixedly connected with a first pedal rod (2), one end of the first pedal rod (2) is movably sleeved in the inner cavity of a second pedal rod (3), one end of the second pedal rod (3) is provided with a mounting hole (4), the side wall of the pedal plate (1) is provided with an adjusting gear (5), the adjusting gear (5) is connected with a conical gear set (7) through a transmission shaft (6), the conical gear set (7) is arranged in the inner cavity of the pedal plate (1), the conical gear set (7) is fixedly connected with one end of an adjusting screw rod (8), the adjusting screw rod (8) sequentially penetrates through the pedal plate (1) and the first pedal rod (2) and is connected with another conical gear set (7), the conical gear set (7) arranged in the inner cavity of the first pedal rod (2) is connected with a driving gear (9) through the transmission shaft (6), drive gear (9) rotate set up in first step pole (2) outer wall, gear groove (10) have been seted up to second step pole (3) inner chamber, drive gear (9) are connected with gear groove (10) meshing, transmission shaft (6) other end that adjusting gear (5) are connected runs through running-board (1) and with spacing dish (11) fixed connection, spacing dish (11) lateral wall is provided with spacing post of magnetism (12), just spacing dish (11) one side is provided with carousel (13), carousel (13) central authorities are fixed to be pegged graft and have axis of rotation (14), just carousel (13) lateral wall fixedly connected with gag lever post (15), gag lever post (15) one end is provided with spacing iron sheet (16).

2. A novel piano pedal according to claim 1, wherein: second step pole (3) are the columnar structure that the inner chamber seted up the type groove of falling protruding, gear groove (10) are seted up on second step pole (3) inner chamber lateral wall, first step pole (2) and second step pole (3) mutual adaptation.

3. A novel piano pedal according to claim 1, wherein: drive gear (9) inlay and locate first step pole (2) one end lateral wall, first step pole (2) one end outer wall and second step pole (3) inner wall sliding connection, the mounting groove has been seted up to first step pole (2) one end.

4. A novel piano pedal according to claim 1, wherein: the length of the limiting rod (15) is equal to the length of a connecting line of the central points of the limiting disc (11) and the rotary disc (13), and one end of the limiting rod (15) is fixedly sleeved at one end of the rotating shaft (14).

5. A novel piano pedal according to claim 1, wherein: one end of the rotating shaft (14) is rotatably connected with the pedal (1), and a torsion spring is sleeved on the outer wall of the rotating shaft (14).

6. A novel piano pedal according to claim 1, wherein: the limiting iron sheet (16) is of a semicircular structure which is adaptive to the outer wall of the magnetic limiting column (12).