CN209843225U - Auxiliary pedal for piano - Google Patents

Abstract

The utility model discloses a piano accessory pedal, including bottom plate and clamp plate, it is protruding to have installed anti-skidding below the bottom plate, and the bottom plate facial make-up is equipped with the backup pad, rotates between the backup pad and has installed the connecting plate, and the footboard is installed to the one end of connecting plate, is equipped with the expansion joint on the clamp plate, and the expansion joint inserts the footboard. Before using, can draw the board to the pulling of outside pulling, drive the slide bar and move to the outside, the spring is stretched, the constant head tank is deviate from to the slide bar, the position design of constant head tank is according to the high design of footboard of different pianos, satisfy when the slide bar inserts in the constant head tank, the lower extreme of clamp plate stably contacts the upper end of piano footboard, therefore can reciprocate the clamp plate, correspond corresponding constant head tank with the slide bar, then insert the slide bar in the constant head tank, the slide bar through both sides cooperates with inserting of constant head tank, the restriction clamp plate is removed and is rotatory downwards, elastic support through the second spring, the restriction slide bar deviates from the constant head tank, whole heightening.

Description

Auxiliary pedal for piano

Technical Field

The utility model relates to a piano auxiliary pedal.

Background

At present, more and more children playing pianos are provided, the technical skill of skillfully mastering the piano pedals is an important basis for learning to play the pianos, and most of the pianos are designed for adults, so that many children cannot contact the pedals when playing the pianos, or the pedals cannot be effectively used when keeping correct sitting postures, piano playing learning is directly influenced, and various piano auxiliary pedals are released on the market.

Present piano auxiliary pedal, its downside is provided with the lift box, and set up on the lift box and trample the structure, the inside cross connection mechanism that sets up of lift box, spiral rotatory screw thread rotary mechanism attached simultaneously, through rotatory spiral, change the distance of downside crossbar, thereby change cross mechanism's overall height, therefore can push up and pull down the lifter plate of whole lift box, can change whole auxiliary pedal height, satisfy and trample structural clamp plate and steadily push down not co-altitude piano, the weak point of existence has: the height-adjusting mechanism of the whole auxiliary pedal is too complex and inconvenient to operate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a piano accessory pedal to propose among the solution above-mentioned background art and increase the too complicated and inconvenient problem of operation of mechanism.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a piano accessory pedal, includes bottom plate and clamp plate, it is protruding to have installed antiskid below the bottom plate, the bottom plate facial make-up is equipped with the backup pad, rotate between the backup pad and installed the connecting plate, the footboard is installed to the one end of connecting plate, be equipped with the activity mouth on the clamp plate, the activity mouth inserts the footboard, the both sides of activity mouth are equipped with the slide opening, the slide opening interpolation is equipped with the slide bar, laid the constant head tank on the clamp plate, the slide bar penetrates the slide opening and penetrates the constant head tank.

Preferably, the anti-slip protrusions are of strip-shaped structures with isosceles triangle main view sections.

Preferably, the connecting plate is provided with a rotating shaft, the supporting plate is provided with a rotating groove, and the rotating shaft is inserted into the rotating groove.

Preferably, a first spring is arranged between the bottom plate and the connecting plate, one end of the first spring is connected to the bottom plate, and the other end of the first spring is connected to the connecting plate.

Preferably, the movable opening is of a square groove structure, and the inner rear end face of the movable opening is parallel to the pedal.

Preferably, the slide hole is of a square hole-shaped structure, the slide rod is of a square rod-shaped structure, and the positioning groove is of a square groove structure.

Preferably, one end of the sliding rod is provided with a pull plate, the sliding rod is sleeved with a second spring, one end of the second spring is connected to the pull plate, and the other end of the second spring is connected to the pressing plate.

Compared with the prior art, the beneficial effects of the utility model are that: before using, can draw the board to the pulling of outside pulling, drive the slide bar and move to the outside, the spring is stretched, the constant head tank is deviate from to the slide bar, the position design of constant head tank is according to the high design of footboard of different pianos, satisfy when the slide bar inserts in the constant head tank, the lower extreme of clamp plate stably contacts the upper end of piano footboard, therefore can reciprocate the clamp plate, correspond corresponding constant head tank with the slide bar, then insert the slide bar in the constant head tank, the slide bar through both sides cooperates with inserting of constant head tank, restriction clamp plate is removal and rotatory downwards, elastic support through the second spring, the constant head tank is deviate from to the restriction slide bar, whole height-adjusting mechanism is simple, and the operation is convenient, the problem.

Drawings

FIG. 1 is a partially cut-away front view of the present invention;

FIG. 2 is a left side view partially cut-away view of the present invention;

fig. 3 is a schematic view of the anti-slip convex distribution of the present invention.

In the figure: the anti-skid device comprises a base plate 1, anti-skid protrusions 2, a supporting plate 3, a connecting plate 4, a rotating shaft 5, a rotating groove 6, a pedal 7, a pressing plate 8, a movable opening 9, a sliding hole 10, a sliding rod 11, a positioning groove 12, a pull plate 13, a second spring 14 and a first spring 101.

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, fig. 2 and fig. 3, the present invention provides a technical solution: a piano auxiliary pedal comprises a bottom plate 1 and a pressure plate 8, wherein anti-skid protrusions 2 are arranged below the bottom plate 1, the bottom plate 1 is of a horizontally arranged square plate structure, the anti-skid protrusions 2 are uniformly arranged at the lower end of the bottom plate 1 in the front and back direction, the bottom plate and the bottom plate 1 are made into a fusion casting integrated piece, the bottom plate 1 is placed on the ground, the matching resistance between the bottom plate 1 and the ground can be increased through the anti-skid protrusions 2, the auxiliary pedal is more stable in use, the anti-skid protrusions 2 are of a strip structure with isosceles triangle main section, two support plates 3 are arranged on the bottom plate 1, the two support plates 3 are symmetrically arranged on the left side and the right side of the upper end of the bottom plate 1, the lower end of each support plate 3 is connected with the bottom plate 1 in a welding mode, a connecting plate 4 is rotatably arranged between the support plates 3, the connecting plate 4 is of, the first spring 101 is arranged at the front side and the rear side of the lower end of the connecting plate 4, the upper end of the first spring 101 is connected with the lower end of the connecting plate 4 in a welding mode, the lower end of the first spring 101 is connected with the upper end of the bottom plate 1 in a welding mode, the first spring 101 is of a compressible and stretchable type, the resilience force of initial compression and stretching is 30 newtons, the sum of the gravity of the connecting plate 4 and an upper connecting component thereof is 20 newtons, the connecting plate 4 can be transversely and stably kept through the elastic support of the first spring 101, one end of the first spring 101 is connected on the bottom plate 1, the other end of the first spring 101 is connected on the connecting plate 4, a rotating shaft 5 is arranged on the connecting plate 4, the rotating shaft 5 is of a circular rod-shaped structure, the middle side of the lower end of the connecting plate 4 is connected with the upper side of the rotating shaft 5 in a welding mode, a rotating groove 6 is, the rotating shaft 5 and the rotating groove 6 are in sliding fit, the matching sections of the rotating shaft 5 and the rotating groove 6 are circular, the outer end of the rotating shaft 5 is in sliding contact with the inner end face of the rotating groove 6, the rotating shaft 5 can rotate stably in the rotating groove 6, the pedal 7 and the connecting plate 4 can be overturned stably, the rotating shaft 5 is inserted into the rotating groove 6, and the pedal 7 is arranged at one end of the connecting plate 4.

Referring to fig. 1 and 2, a movable opening 9 is provided on a pressing plate 8, the movable opening 9 is provided at the front end of the pressing plate 8, the movable opening 9 is inserted into a pedal 7, the movable opening 9 is in sliding fit with the pedal 7, the movable opening 9 is in a square groove structure, the inner rear end surface of the movable opening is parallel to the pedal 7, the pressing plate 8 can slide up and down along the lower end of the pedal 7, the inclination angle of the pedal 7 is 45 degrees, sliding holes 10 are provided at both sides of the movable opening 9, sliding rods 11 are inserted into the sliding holes 10, the sliding rods 11 are in sliding fit with the sliding holes 10, the fitting cross sections are square, positioning grooves 12 are distributed on the pressing plate 8, the positioning grooves 12 are provided at the left and right ends of the pressing plate 8, the positioning grooves 12 are designed according to the heights of pedals of different pianos, so that when the sliding rods 11 are inserted into the positioning grooves 12, the lower end of the, the slide hole 10 is a square hole structure, the slide bar 11 is a square rod structure, the positioning groove 12 is a square groove structure, the slide bar 11, the slide hole 10 and the positioning groove 12 are in sliding fit, and the fit cross section is square, so the press plate 8 is limited to move downwards and rotate through the insertion fit of the slide bar 11 and the positioning groove 12 on two sides, one end of the slide bar 11 is provided with a pull plate 13, the outer end of the slide bar 11 is connected with the central position of the inner end of the pull plate 13 in a welding manner, the slide bar 11 is sleeved with a second spring 14, the inner end of the second spring 14 is connected with the left end and the right end of the press plate 8 in a welding manner, the outer end of the second spring 14 is connected with the inner end of the pull plate 13 in a welding manner, the second spring 14 is of a stretch-retraction type, the initial stretch-retraction force is 20 newtons, the slide bar 11 is limited to be separated from the positioning groove 12 through the elastic support of, the other end of the second spring 14 is connected to the pressure plate 8.

The utility model discloses when concrete implementation: before use, the pull plate 13 can be pulled outwards to drive the slide rod 11 to move outwards, the spring 14 is stretched, the slide rod 11 is separated from the positioning groove 12, the position design of the positioning groove 12 is designed according to the pedal height of different pianos, the lower end of the press plate 8 is stably contacted with the upper end of the piano pedal when the slide rod 11 is inserted into the positioning groove 12, so that the press plate 8 can move up and down, the slide rod 11 corresponds to the corresponding positioning groove 12, then the slide rod 11 is inserted into the positioning groove 12, the press plate 8 is limited to move downwards and rotate through the insertion and matching of the slide rods 11 at two sides and the positioning groove 12, the slide rod 11 is limited to be separated from the positioning groove 12 through the elastic support of the second spring 14, the press plate 8 can be placed at the upper end of the piano pedal, the lower end of the press plate 8 is contacted with the piano pedal, a user can step on the pedal 7, the press plate 8, the clamp plate 8 can be pushed down the piano footboard, pivot 5 is sliding fit with the turn trough 6, and the cooperation cross-section all is circular, and the inside terminal surface of the outer end sliding contact turn trough 6 of pivot 5, can make pivot 5 at the 6 internal rotation stabilities of turn trough, therefore can make footboard 7 and connecting plate 4 upset stable, when loosening the foot on the footboard 7, through the resilience force of first spring 101, can kick-back the upset to original state with footboard 7, whole heightening mechanism is simple, and convenient operation.

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 (7)

1. A piano auxiliary pedal comprises a bottom plate (1) and a pressing plate (8), and is characterized in that: install antiskid protruding (2) below bottom plate (1), bottom plate (1) facial make-up is equipped with backup pad (3), rotation has installed connecting plate (4) between backup pad (3), footboard (7) are installed to the one end of connecting plate (4), be equipped with activity mouth (9) on clamp plate (8), footboard (7) are inserted in activity mouth (9), the both sides of activity mouth (9) are equipped with slide opening (10), the interpolation of slide opening (10) is equipped with slide bar (11), laid constant head tank (12) on clamp plate (8), slide bar (11) penetrate slide opening (10) and penetrate constant head tank (12).

2. A piano auxiliary pedal according to claim 1, wherein: the anti-skid convex (2) is of a strip structure with a main view cross section of an isosceles triangle.

3. A piano auxiliary pedal according to claim 1, wherein: the connecting plate (4) is provided with a rotating shaft (5), the supporting plate (3) is provided with a rotating groove (6), and the rotating shaft (5) is inserted into the rotating groove (6).

4. A piano auxiliary pedal according to claim 3, wherein: a first spring (101) is arranged between the bottom plate (1) and the connecting plate (4), one end of the first spring (101) is connected to the bottom plate (1), and the other end of the first spring (101) is connected to the connecting plate (4).

5. A piano auxiliary pedal according to claim 1, wherein: the movable opening (9) is of a square groove structure, and the inner rear end face of the movable opening is parallel to the pedal (7).

6. A piano auxiliary pedal according to claim 1, wherein: the sliding hole (10) is of a square hole structure, the sliding rod (11) is of a square rod structure, and the positioning groove (12) is of a square groove structure.

7. A piano auxiliary pedal according to claim 6, wherein: one end of the sliding rod (11) is provided with a pull plate (13), a second spring (14) is sleeved on the sliding rod (11), one end of the second spring (14) is connected to the pull plate (13), and the other end of the second spring (14) is connected to the pressing plate (8).