Auxiliary device of piano pedal

Abstract

The utility model provides an auxiliary device of a piano pedal. The auxiliary device comprises a clamping structure and an extension structure, the clamping structure comprises a box body, a rotating block, a pulling block, a first clamping block and a second clamping block; the rotating block is arranged in the box body and rotationally connected with the box body, a first gear is arranged at one end of the rotating block, and a second gear is arranged at the other end of the rotating block; a first rack is arranged on the first clamping block, is inserted into the box body and is meshed with the second gear; the first clamping block and the second clamping block are matched for clamping the piano pedal; and a third rack is arranged on the pulling block, is inserted into the box body and is meshed with the first gear. The auxiliary device solves the problem that the length of a pressing rod of a traditional auxiliary device of the piano pedal plate is usually fixed, so that when a child steps on the auxiliary pedal plate, the pressing rod cannot tread the piano pedal plate to the bottom easily.

Description

Technical Field

[0001] The utility model relates to the technical field of pianos, and in particular to an auxiliary device for a piano pedal. Background Art

[0002] Due to the traditional structure of the piano, children cannot normally step on the piano pedal when learning the piano. In order to help children step on the piano pedal, an auxiliary device is usually used. The existing auxiliary device usually consists of a lifting component, an auxiliary pedal and a pressing rod. During use, the height of the auxiliary assembly is adjusted by the lifting component so that children can step on the auxiliary device. Subsequently, during the process of learning the piano, children only need to step on the auxiliary pedal to drive the pressing rod to press down the piano pedal to carry out normal learning.

[0003] Chinese Patent (Application No.: CN202120387852.6) discloses a piano pedal auxiliary device, namely a piano pedal auxiliary tooling, which specifically includes a fixing component, a transmission component and a stepping component. The fixing component is fixedly connected to a piano pedal. The transmission component transmits the stepping force received on the stepping component to the fixing component to drive the piano pedal to move. It includes a support block with adjustable height. The support block is independent of the piano pedal auxiliary device. The support block supports the heel. The support block includes a top plate and a bottom plate, and a scissors mechanism is arranged between the top plate and the bottom plate.

[0004] However, for the above-mentioned traditional auxiliary device for a piano pedal, the length of the pressing rod of the auxiliary device is usually relatively fixed, so that when children step on the auxiliary pedal, it is easy to occur that the pressing rod cannot step on the piano pedal to the end, which affects the performance effect of children playing the piano and is inconvenient to use. Summary of the Utility Model

[0005] Based on this, in order to solve the problem that for the traditional auxiliary device for a piano pedal, the length of the pressing rod of the auxiliary device is usually relatively fixed, so that when children step on the auxiliary pedal, it is easy to occur that the pressing rod cannot step on the piano pedal to the end, the utility model provides an auxiliary device for a piano pedal, and its specific technical solution is as follows:

[0006] An auxiliary device for a piano pedal, comprising

[0007] Clamping structure, the clamping structure includes a box body, a rotating block, a pulling block, a first clamping block and a second clamping block; the rotating block is arranged in the box body and is rotatably connected to the box body, a first gear is arranged at one end of the rotating block, and a second gear is arranged at the other end of the rotating block; a first rack is arranged on the first clamping block, the first rack is inserted into the box body and meshes with the second gear; a second rack is arranged on the second clamping block, the second rack is inserted into the box body and meshes with the second gear; the first clamping block and the second clamping block cooperate to clamp the piano pedal; a third rack is arranged on the pulling block, the third rack is inserted into the box body and meshes with the first gear;

[0008] Extension structure, the extension structure is connected to the box body, and the extension structure is used for a user to step on.

[0009] The above-mentioned auxiliary device for the piano pedal, by pulling the pulling block, then the third rack drives the first gear to rotate, that is, the rotating block and the second gear rotate synchronously with the first gear; by the rotation of the second gear, it is realized to drive the first rack and the second rack to move, and then control the distance between the first clamping block and the second clamping block, so as to facilitate the cooperation between the first clamping block and the second clamping block to clamp the piano pedal; by the cooperation between the first clamping block and the second clamping block to clamp the piano pedal, it is realized to adapt to the pedals of different pianos; by providing an extension structure, it is convenient for children to step on the piano pedal to the end. The auxiliary device for the piano pedal solves the problem that the length of the pressing rod of the traditional auxiliary device for the piano pedal is usually relatively fixed, so that when children step on the auxiliary pedal, it is easy to occur that the pressing rod cannot step on the piano pedal to the end.

[0010] Further, a first connecting portion is further arranged on the pulling block, and the first connecting portion and the third rack cooperate to clamp the first gear.

[0011] Further, one end of the first connecting portion is connected to the pulling block, and a second connecting portion with an arc-shaped outer contour is arranged at the other end of the first connecting portion; one end of the second connecting portion is connected to the first connecting portion, and the other end of the second connecting portion is connected to the third rack.

[0012] Further, the cross-section of the pulling block is arranged in an L shape.

[0013] Further, the first clamping block includes a first fixing portion, a second fixing portion and a first abutting portion; one end of the second fixing portion is connected to the first fixing portion, and the first rack is arranged on the first fixing portion.

[0014] Further, the first abutting portion is arranged at one end of the second fixing portion away from the first fixing portion, and the first abutting portion abuts against the bottom surface of the pedal.

[0015] Further, the second clamping block includes a third fixing portion, a fourth fixing portion, and a second abutting portion; one end of the fourth fixing portion is connected to the third fixing portion, and the second rack is provided on the third fixing portion.

[0016] Further, the second abutting portion is provided at one end of the fourth fixing portion away from the third fixing portion, and the second abutting portion abuts against the bottom surface of the foot pedal.

[0017] Further, the extension structure includes a foot pedal block, a first connecting arm, a second connecting arm, and a connecting rod; one end of the connecting rod is connected to the box body, and a rotating portion with a spherical outer contour is provided at the other end of the connecting rod; one end of the first connecting arm is used to clamp the rotating portion, the other end of the first connecting arm is hinged to one end of the second connecting arm, and the other end of the second connecting arm is hinged to the foot pedal block.

[0018] Further, the first connecting arm includes a first connecting block, a second connecting block, a filling block, a first bolt, a first nut, a second bolt, and a second nut; one end of the first connecting block and one end of the second connecting block cooperate to clamp the filling block, and one end of the second connecting arm clamps the first connecting block and the second connecting block; the first bolt sequentially passes through the second connecting arm, the first connecting block, the filling block, the second connecting block, the second connecting arm and the first nut, and the first bolt is threadedly connected to the first nut; the other end of the first connecting block and the other end of the second connecting block cooperate to clamp the rotating portion; the second bolt sequentially passes through the first connecting block, the filling block, the second connecting block and the second nut, and the second bolt is threadedly connected to the second nut. Description of the Drawings

[0019] The present utility model can be further understood from the following description in conjunction with the drawings. The components in the drawings are not necessarily drawn to scale, but the emphasis is placed on showing the principles of the embodiments. In different views, the same reference numerals designate corresponding parts.

[0020] Figure 1 is a practical state diagram of an auxiliary device for a piano foot pedal according to an embodiment of the present utility model;

[0021] Figure 2 is one of the partial structural schematic diagrams of an auxiliary device for a piano foot pedal according to an embodiment of the present utility model;

[0022] Figure 3 is the second of the partial structural schematic diagrams of an auxiliary device for a piano foot pedal according to an embodiment of the present utility model.

[0023] Description of the Reference Numerals:

[0024] 1 - Clamping structure; 11 - Box body; 12 - Rotating block; 13 - Pulling block; 14 - First clamping block; 141 - First fixing part; 142 - Second fixing part; 143 - First abutting part; 15 - Second clamping block; 16 - First gear; 17 - Second gear; 2 - Extension structure; 21 - Foot pedal; 22 - First connecting arm; 221 - First connecting block; 222 - Second connecting block; 223 - Filling block; 224 - First bolt; 225 - First nut; 226 - Second bolt; 227 - Second nut; 23 - Second connecting arm; 24 - Connecting rod; 25 - Rotating part; 3 - First rack; 4 - Second rack; 5 - Third rack; 6 - First connecting part; 7 - Second connecting part. Detailed implementation mode

[0025] In order to make the purpose, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below in conjunction with its embodiments. It should be understood that the specific implementation modes described herein are only used to explain the present utility model and do not limit the protection scope of the present utility model.

[0026] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration and do not represent the only implementation mode.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present utility model belongs. The terms used in the description of the present utility model herein are only for the purpose of describing specific implementation modes and are not intended to limit the present utility model. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0028] In the present utility model, the "first" and "second" do not represent specific quantities and sequences, but are only used for name distinction.

[0029] Such as Figure 1As shown in Fig. 3, an auxiliary device for a piano pedal 21 in an embodiment of the present utility model includes a clamping structure 1 and an extension structure 2; the clamping structure 1 includes a box body 11, a rotating block 12, a pulling block 13, a first clamping block 14 and a second clamping block 15; the rotating block 12 is arranged in the box body 11 and is rotatably connected to the box body 11, a first gear 16 is arranged at one end of the rotating block 12, and a second gear 17 is arranged at the other end of the rotating block 12; a first rack 3 is arranged on the first clamping block 14, the first rack 3 is inserted into the box body 11 and meshes with the second gear 17; a second rack 4 is arranged on the second clamping block 15, the second rack 4 is inserted into the box body 11 and meshes with the second gear 17; the first clamping block 14 and the second clamping block 15 cooperate to clamp the piano pedal 21; a third rack 5 is arranged on the pulling block 13, the third rack 5 is inserted into the box body 11 and meshes with the first gear 16; the extension structure 2 is connected to the box body 11, and the extension structure 2 is used for a user to step on.

[0030] For the above-mentioned auxiliary device for the piano pedal 21, by pulling the pulling block 13, the third rack 5 drives the first gear 16 to rotate, that is, the rotating block 12 and the second gear 17 rotate synchronously with the first gear 16; by the rotation of the second gear 17, it is realized to drive the first rack 3 and the second rack 4 to move, and then control the distance between the first clamping block 14 and the second clamping block 15, so as to facilitate the cooperation between the first clamping block 14 and the second clamping block 15 to clamp the piano pedal 21; by the cooperation between the first clamping block 14 and the second clamping block 15 to clamp the piano pedal 21, it is realized to adapt to the pedals 21 of different pianos; by providing the extension structure 2, it is convenient for children to step on the piano pedal 21 to the end. This auxiliary device for the piano pedal 21 solves the problem that in the traditional auxiliary device for the piano pedal 21, the length of the pressure bar of the auxiliary device is usually relatively fixed, so that when children step on the auxiliary pedal, it is easy to occur that the pressure bar cannot step on the piano pedal to the end.

[0031] As Figure 1As shown in Fig. ˉ3, in one embodiment, a first connecting portion 6 is further provided on the pulling block 13. The first connecting portion 6 cooperates with the third rack 5 to clamp the first gear 16. One end of the first connecting portion 6 is connected to the pulling block 13, and a second connecting portion 7 with an arc-shaped outer contour is provided at the other end of the first connecting portion 6. One end of the second connecting portion 7 is connected to the first connecting portion 6, and the other end of the second connecting portion 7 is connected to the third rack 5. In this way, the first gear 16 is clamped by the cooperation of the first connecting portion 6 and the third rack 5 to lock the first gear 16, preventing loosening when the first clamping block 14 and the second clamping block 15 clamp the piano pedal 21. When the pulling block 13 is pulled, the teeth of the first gear 16 push open the first connecting portion 6, causing the first connecting portion 6 to deform, thereby enabling the first gear 16 to rotate.

[0032] As Figure 1 As shown in Fig. ˉ3, in one embodiment, the cross-section of the pulling block 13 is L-shaped. In this way, due to the L-shaped cross-section of the pulling block 13, it is convenient to pull the pulling block 13.

[0033] As Figure 1 As shown in Fig. ˉ3, in one embodiment, the first clamping block 14 includes a first fixing portion 141, a second fixing portion 142, and a first abutting portion 143. One end of the second fixing portion 142 is connected to the first fixing portion 141, and the first rack 3 is provided on the first fixing portion 141. The first abutting portion 143 is provided at the end of the second fixing portion 142 away from the first fixing portion 141, and the first abutting portion 143 abuts against the bottom surface of the pedal 21. The second clamping block 15 includes a third fixing portion, a fourth fixing portion, and a second abutting portion. One end of the fourth fixing portion is connected to the third fixing portion, and the second rack 4 is provided on the third fixing portion. The second abutting portion is provided at the end of the fourth fixing portion away from the third fixing portion, and the second abutting portion abuts against the bottom surface of the pedal 21. In this way, by providing the first abutting block and the second abutting block, the contact area between the auxiliary device of the piano pedal 21 and the piano pedal 21 is increased, improving the clamping effect.

[0034] As Figure 1As shown in Fig. 3, in one embodiment, the extension structure 2 includes a footrest block, a first connecting arm 22, a second connecting arm 23 and a connecting rod 24; one end of the connecting rod 24 is connected to the box body 11, and a rotating part 25 with a spherical outer contour is provided at the other end of the connecting rod 24; one end of the first connecting arm 22 is used to clamp the rotating part 25, the other end of the first connecting arm 22 is hinged to one end of the second connecting arm 23, and the other end of the second connecting arm 23 is hinged to the footrest block; the first connecting arm 22 includes a first connecting block 221, a second connecting block 222, a filling block 223, a first bolt 224, a first nut 225, a second bolt 226 and a second nut 227; one end of the first connecting block 221 and one end of the second connecting block 222 cooperate to clamp the filling block 223, and one end of the second connecting arm 23 clamps the first connecting block 221 and the second connecting block 222; the first bolt 224 sequentially passes through the second connecting arm 23, the first connecting block 221, the filling block 223, the second connecting block 222, the second connecting arm 23 and the first nut 225, and the first bolt 224 is threadedly connected to the first nut 225; the other end of the first connecting block 221 and the other end of the second connecting block 222 cooperate to clamp the rotating part 25; the second bolt 226 sequentially passes through the first connecting block 221, the filling block 223, the second connecting block 222 and the second nut 227, and the second bolt 226 is threadedly connected to the second nut 227; specifically, the structures of the first connecting arm 22 and the second connecting arm 23 are similar. In this way, according to the sitting posture of the child, the rotation angles of the first connecting arm 22, the second connecting arm 23 and the footrest block are adjusted; by rotating the bolts, the rotation angles of the first connecting arm 22, the second connecting arm 23 and the footrest block are fixed; due to the spherical outer contour of the rotating part 25, it is convenient for the first connecting arm 22 to rotate around the rotating part 25; after the first connecting arm 22 rotates, by rotating the second bolt 226, the rotation angle of the first connecting arm 22 is fixed.

[0035] The technical features of the above embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope recorded in this specification.

[0036] The above embodiments only represent several implementation manners of the present invention, and the description thereof is relatively specific and detailed, but it should not be construed as a limitation on the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several deformations and improvements can still be made, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the utility model patent shall be subject to the appended claims.

Claims

1. An auxiliary device for a piano pedal, characterized in that: include A clamping structure, the clamping structure comprises a box body, a rotating block, a pulling block, a first clamping block and a second clamping block; the rotating block is arranged in the box body and is rotatably connected with the box body, a first gear is arranged on one end of the rotating block, and a second gear is arranged on the other end of the rotating block; a first rack is arranged on the first clamping block, the first rack is inserted in the box body and meshes with the second gear; a second rack is arranged on the second clamping block, the second rack is inserted in the box body and meshes with the second gear; the first clamping block and the second clamping block cooperate to clamp a piano foot pedal; a third rack is arranged on the pulling block, the third rack is inserted in the box body and meshes with the first gear; An extension structure is connected to the box body and is used for a user to step on.

2. The auxiliary device for piano foot pedal according to claim 1, characterized in that: The pulling block is also provided with a first connecting portion, and the first connecting portion cooperates with the third rack to clamp the first gear.

3. The auxiliary device for piano foot pedal according to claim 2, characterized in that: One end of the first connection part is connected to the pulling block, and the other end of the first connection part is provided with a second connection part with an arc-shaped outer contour; one end of the second connection part is connected to the first connection part, and the other end of the second connection part is connected to the third rack.

4. The auxiliary device for piano foot pedal according to claim 1, characterized in that: The cross section of the pulling block is L-shaped.

5. The auxiliary device for piano foot pedal according to claim 1, characterized in that: The first clamping block includes a first fixing portion, a second fixing portion and a first abutting portion; one end of the second fixing portion is connected to the first fixing portion, and the first rack is arranged on the first fixing portion.

6. The auxiliary device for piano foot pedal according to claim 5, characterized in that: The first abutting portion is disposed on an end of the second fixing portion away from the first fixing portion, and the first abutting portion abuts against a bottom surface of the foot pedal.

7. The auxiliary device for piano foot pedal according to claim 1, characterized in that: The second clamping block includes a third fixing portion, a fourth fixing portion and a second abutting portion; one end of the fourth fixing portion is connected to the third fixing portion, and the second rack is arranged on the third fixing portion.

8. The auxiliary device for piano foot pedal according to claim 7, characterized in that: The second abutting portion is disposed on an end of the fourth fixing portion away from the third fixing portion, and the second abutting portion abuts against a bottom surface of the foot pedal.

9. The auxiliary device for piano foot pedal according to claim 1, characterized in that: The extension structure includes a pedal block, a first connecting arm, a second connecting arm and a connecting rod; one end of the connecting rod is connected to the box body, and the other end of the connecting rod is provided with a rotating part with a spherical outer contour; one end of the first connecting arm is used to clamp the rotating part, the other end of the first connecting arm is hinged to one end of the second connecting arm, and the other end of the second connecting arm is hinged to the pedal block.

10. The auxiliary device for piano foot pedal according to claim 9, characterized in that: The first connecting arm includes a first connecting block, a second connecting block, a filling block, a first bolt, a first nut, a second bolt and a second nut; one end of the first connecting block cooperates with one end of the second connecting block to clamp the filling block, and one end of the second connecting arm clamps the first connecting block and the second connecting block; the first bolt passes through the second connecting arm, the first connecting block, the filling block, the second connecting block, the second connecting arm and the first nut in sequence, and the first bolt is threadedly connected to the first nut; the other end of the first connecting block cooperates with the other end of the second connecting block to clamp the rotating part; the second bolt passes through the first connecting block, the filling block, the second connecting block and the second nut in sequence, and the second bolt is threadedly connected to the second nut.

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