CN210743555U - Pedal extending device for electronic piano teaching - Google Patents

Abstract

The utility model discloses a footboard extends device for electronic piano teaching, including fixing base and bolt, the inside of fixing base is run through and is removed the seat, and removes the inside right-hand first pivot that is connected with of seat, and the middle part welding in the first pivot outside has the footboard of extension, both sides all are connected with the vortex spring around the first pivot, the outside of extending the footboard left end is provided with the tooth piece, and the left of tooth piece is provided with the carriage release lever, the slider is all installed to both sides around the carriage release lever, and the outside of slider is provided with first spout, the outside of carriage release lever lower extreme is provided with the dead lever, and the locating hole has been seted up in the outside of dead lever. This footboard extension device for electronic piano teaching is provided with carriage release seat and carriage release lever, upwards stimulates the carriage release seat, and the front and back of carriage release lever is connected with the carriage release seat through slider and first spout to can make the carriage release lever follow the carriage release seat and upwards move together, and then can adjust the height of whole device, increase the practicality of device.

Description

Pedal extending device for electronic piano teaching

Technical Field

The utility model relates to an electronic piano teaching correlation technique field specifically is a footboard extension device is used in electronic piano teaching.

Background

The electronic piano is an electroacoustic musical instrument, calls the king of the musical instrument, and present head of a family can study some musical instruments when children are young in order to let children possess some talents more, and the electronic piano often is the first choice of head of a family, and in the teaching of electronic piano, because current piano is made according to adult's standard height, child hardly steps on the piano footboard when studying, is unfavorable for child's use.

Therefore, we have proposed a pedal extension apparatus for electronic piano teaching so as to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a footboard extension device is used in electronic piano teaching to solve the present piano that the above-mentioned background art provided on the market and make according to adult's standard height, child hardly steps on the piano footboard when studying, is unfavorable for child's problem of use.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a footboard extends device for electronic piano teaching, includes fixing base and bolt, the inside of fixing base is run through and is removed the seat, and removes the inside right-hand first pivot that is connected with of seat, the middle part welding in the first pivot outside has the footboard of extension, and both sides all are connected with the vortex spring around the first pivot, the outside of extending the footboard left end is provided with the tooth piece, and the left of tooth piece is provided with the carriage release lever, the slider is all installed to both sides around the carriage release lever, and the outside of slider is provided with first spout, the outside of carriage release lever lower extreme is provided with the dead lever, and the locating hole has been seted up in the outside of dead lever, the inside at the locating hole is installed to the bolt, the lower extreme of dead lever is connected with the removal footboard, and the middle part of removing the footboard runs through there is the second pivot.

Preferably, the main section of the fixed seat is of an L-shaped structure, and the left sides of the fixed seat and the movable seat are both of an open structure.

Preferably, the moving seat and the moving rod are both provided with positioning holes, the moving seat is in sliding connection with the fixed seat, and the moving rod is in sliding connection with the fixed rod.

Preferably, the left end of the extension pedal is of an arc-shaped structure, a tooth block is arranged at the joint of the extension pedal and the moving rod, and the front end and the rear end of the extension pedal are connected with the moving seat through vortex springs.

Preferably, the front end and the rear end of the movable rod and the fixed rod are respectively provided with a sliding block, and the movable rod and the fixed rod are respectively connected with the first sliding groove and the second sliding groove in a sliding mode through the sliding blocks.

Preferably, the fixed rod is hinged with the right end of the movable pedal, and the middle part of the movable pedal forms a rotating mechanism with the fixed seat through a second rotating shaft.

Compared with the prior art, the beneficial effects of the utility model are that: the pedal extending device for the electronic piano teaching,

(1) the piano pedal is provided with an extension pedal, the extension pedal is meshed and connected with the moving rod through a tooth block, the moving rod can be driven to move up and down through the rotation of the extension pedal, the moving rod drives the right end of the moving pedal to move through the fixed rod, and the left end of the moving pedal rotates through the second rotating shaft, so that the piano pedal below the piano pedal can be trampled, and the use of a child is facilitated;

(2) the movable seat and the movable rod are arranged, the movable seat is pulled upwards, and the front and the back of the movable rod are connected with the movable seat through the sliding block and the first sliding groove, so that the movable rod can move upwards along with the movable seat, the height of the whole device can be adjusted, and the practicability of the device is improved;

(3) the front end and the rear end of the movable rod and the fixed rod are respectively provided with a sliding block, so that the moving stability of the movable rod and the fixed rod can be ensured.

Drawings

FIG. 1 is a schematic view of the main sectional structure of the present invention;

FIG. 2 is a schematic side sectional view of the present invention;

fig. 3 is a schematic view of the structure of the present invention.

In the figure: 1. a fixed seat; 2. a movable seat; 3. a first rotating shaft; 4. an extension step; 5. a scroll spring; 6. a tooth block; 7. a travel bar; 8. a slider; 9. positioning holes; 10. a bolt; 11. fixing the rod; 12. moving the pedal; 13. a second rotating shaft; 14. a first chute; 15. a second runner.

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 pedal extension device for electronic piano teaching comprises a fixed seat 1, a movable seat 2, a first rotating shaft 3, an extension pedal 4, a vortex spring 5, a tooth block 6, a movable rod 7, a sliding block 8, a positioning hole 9, a bolt 10, a fixed rod 11, a movable pedal 12, a second rotating shaft 13, a first sliding groove 14 and a second sliding groove 15, wherein the movable seat 2 penetrates through the fixed seat 1, the first rotating shaft 3 is connected to the right side inside the movable seat 2, the extension pedal 4 is welded to the middle part of the outer side of the first rotating shaft 3, the vortex spring 5 is connected to the front side and the rear side of the first rotating shaft 3, the tooth block 6 is arranged on the outer side of the left end of the extension pedal 4, the movable rod 7 is arranged on the left side of the tooth block 6, the sliding block 8 is arranged on the front side and the rear side of the movable rod 7, the first sliding groove 14 is arranged on the outer side of the sliding block 8, the fixed rod, bolt 10 is installed in the inside of locating hole 9, and the lower extreme of dead lever 11 is connected with removal footboard 12, and the middle part of removing footboard 12 runs through there is second pivot 13, and second spout 15 has all been seted up to both sides around fixing base 1 is inside.

The main section of fixing base 1 is "L" shape structure, and fixing base 1 and the left side of removing seat 2 are opening column structure, and this design is convenient for remove and fix removing seat 2 and carriage release lever 7 to be convenient for carry out height-adjusting to the device.

Locating hole 9 has all been seted up to the inside of removing seat 2 and carriage release lever 7, and removes seat 2 and fixing base 1 for sliding connection to carriage release lever 7 is sliding connection with dead lever 11, can be connected fixedly to removing seat 2 and carriage release lever 7 through locating hole 9 and bolt 10.

Extend the left end of footboard 4 and be circular-arc structure, and the junction that extends footboard 4 and carriage release lever 7 all is provided with tooth piece 6 to both ends all are connected with removal seat 2 through vortex spring 5 around extending footboard 4, extend footboard 4 and pass through tooth piece 6 and be connected with the meshing of carriage release lever 7, can drive carriage release lever 7 through the rotation that extends footboard 4 and reciprocate, thereby drive and remove footboard 12 rotation and trample the piano footboard.

The front end and the rear end of the movable rod 7 and the fixed rod 11 are respectively provided with a sliding block 8, and the movable rod 7 and the fixed rod 11 are respectively connected with the first sliding groove 14 and the second sliding groove 15 in a sliding mode through the sliding blocks 8, so that the moving stability of the movable rod 7 and the fixed rod 11 can be guaranteed.

The right-hand member of dead lever 11 and removal footboard 12 is connected for articulated, and the middle part of removing footboard 12 passes through second pivot 13 and constitutes slewing mechanism with fixing base 1 for removal footboard 12 can rotate at fixing base 1 through the removal of dead lever 11, tramples the piano footboard.

The working principle is as follows: when using this footboard extension device for electronic piano teaching, at first, the user removes whole device earlier in the workspace, adjust the height of whole device according to child's height earlier, screw out bolt 10 in fixing base 1 and the dead lever 11 from locating hole 9, upwards stimulate carriage 2, the front and back of carriage release lever 7 is connected with carriage release lever 2 through slider 8 and first spout 14, thereby can make carriage release lever 7 follow carriage release lever 2 and move upwards together, and then can adjust the height of whole device, when the altitude mixture control is to suitable position, in precessing locating hole 9 with bolt 10, fix fixing base 1 and carriage release lever 2, connect fixedly simultaneously carriage release lever 7 and dead lever 11, alright used whole device this moment.

The whole device is moved, a piano pedal is placed below the left end of a movable pedal 12, when a child needs to trample the piano pedal, the extending pedal 4 can be trampled by feet, the left end of the extending pedal 4 is of an arc-shaped structure, the left end of the extending pedal 4 is meshed with a movable rod 7 through a toothed block 6, when the right end of the extending pedal 4 moves downwards, the left end of the extending pedal 4 rotates along a potential needle through a first rotating shaft 3, so that the movable rod 7 is driven to move upwards, the movable rod 7 drives the right end of the movable pedal 12 to move upwards through a fixed rod 11, the left end of the movable pedal 12 rotates anticlockwise through a second rotating shaft 13, the piano pedal below is trampled, when the movable rod 7 and the fixed rod 11 move, the sliding blocks 8 arranged on the front side and the rear side of the movable rod 7 and the front side and the rear side of the fixed rod 11 respectively slide in a first sliding chute 14 and a second sliding chute 15, therefore, the piano pedal can be well trampled, when a person stops trampling the extension pedal 4, the extension pedal 4 is reset through the vortex spring 5 so as to drive the moving rod 7 to move downwards, the moving pedal 12 is enabled to recover the horizontal position according to the steps, and the trampling of the piano pedal is stopped, so that the working process of the whole device is completed, and the content which is not described in detail in the specification belongs to the prior art which is well known by professionals in the field.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides a footboard extends device for electronic piano teaching, includes fixing base (1) and bolt (10), its characterized in that: the movable base (2) penetrates through the fixed base (1), a first rotating shaft (3) is connected to the right side of the interior of the movable base (2), an extension pedal (4) is welded to the middle of the outer side of the first rotating shaft (3), vortex springs (5) are connected to the front side and the rear side of the first rotating shaft (3), a tooth block (6) is arranged on the outer side of the left end of the extension pedal (4), a movable rod (7) is arranged on the left side of the tooth block (6), sliding blocks (8) are mounted on the front side and the rear side of the movable rod (7), a first sliding groove (14) is formed in the outer side of each sliding block (8), a fixed rod (11) is arranged on the outer side of the lower end of the movable rod (7), a positioning hole (9) is formed in the outer side of each fixed rod (11), a bolt (10) is mounted inside the positioning hole (9), and the, and a second rotating shaft (13) penetrates through the middle part of the movable pedal (12), and second sliding grooves (15) are formed in the front side and the rear side of the interior of the fixed seat (1).

2. The pedal extension device for electronic piano teaching according to claim 1, wherein: the main section of the fixed seat (1) is of an L-shaped structure, and the left sides of the fixed seat (1) and the movable seat (2) are both of an open structure.

3. The pedal extension device for electronic piano teaching according to claim 1, wherein: locating hole (9) have all been seted up to the inside of removing seat (2) and carriage release lever (7), and remove seat (2) and fixing base (1) and be sliding connection to carriage release lever (7) are sliding connection with dead lever (11).

4. The pedal extension device for electronic piano teaching according to claim 1, wherein: the left end of the extension pedal (4) is of an arc-shaped structure, a tooth block (6) is arranged at the joint of the extension pedal (4) and the moving rod (7), and the front end and the rear end of the extension pedal (4) are connected with the moving seat (2) through vortex springs (5).

5. The pedal extension device for electronic piano teaching according to claim 1, wherein: the front end and the rear end of the movable rod (7) and the fixed rod (11) are respectively provided with a sliding block (8), and the movable rod (7) and the fixed rod (11) are respectively connected with the first sliding groove (14) and the second sliding groove (15) in a sliding mode through the sliding blocks (8).

6. The pedal extension device for electronic piano teaching according to claim 1, wherein: the fixed rod (11) is hinged with the right end of the movable pedal (12), and the middle of the movable pedal (12) and the fixed seat (1) form a rotating mechanism through a second rotating shaft (13).

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