CN209880111U - Drawing type piano key cover - Google Patents

Abstract

The utility model discloses a pull formula piano keyboard lid, including piano body and keyboard lid, the piano body is including support column, key and equipment box, the quantity of support column is three, the support column sets up the bottom outer wall at the piano body, the key sets up the top outer wall at the piano body, the equipment box is located the one side that is close to the key, one side outer wall of equipment box is opened there is the spliced eye, the both sides outer wall of spliced eye all is provided with the gag lever post. The utility model discloses, can be fine take out and insert the musical instrument key lid, convenient to use person's use has reduced flip's design among the traditional art, the convenience when having improved the use greatly, the position of fixed musical instrument key lid that can be fine, the round trip movement of the musical instrument key lid of being convenient for prevents that the musical instrument key lid is excessive to be pulled out, and expanding spring has fine buffering effect simultaneously, prevents that the dynamics from leading to the damage of musical instrument key lid too greatly.

Description

Drawing type piano key cover

Technical Field

The utility model relates to a piano technical field especially relates to a pull formula piano keyboard lid.

Background

The range of piano pitch ranges from a0 (27.5 Hz) to C8 (4186 Hz), and almost all tones in the tone system are covered, and the instrument is the instrument with the widest pitch range except for the pipe organ. The piano is commonly used for solo, repetition, accompaniment and other performances, and is very convenient for composing music and rehearsing music. The player drives a small mallet covered with a felt in the piano by pressing keys on the keyboard, and then strikes the steel wire strings to make sound. The piano needs regular care to ensure that the tone of the piano is unchanged.

The piano key cover in the prior art is generally of a flip type, and the use is very troublesome in the market. And is inconvenient for the user to use and cannot buffer the fallboard well in the process of opening or closing the fallboard.

Therefore, it is desirable to design a pull-out piano key cover to solve the above problems.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing a pull-out piano key cover.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a pull-out piano key cover comprises a piano body and a key cover, wherein the piano body comprises three support columns, keys and an equipment box, the support columns are arranged on the outer wall of the bottom of the piano body, the keys are arranged on the outer wall of the top of the piano body, the equipment box is arranged on the outer wall of the top of the piano body and is positioned close to one side of the keys, an inserting hole is formed in the outer wall of one side of the equipment box, limiting rods are arranged on the outer walls of the two sides of the inserting hole, the key cover is inserted into the inserting hole, limiting grooves are formed in the outer walls of the two sides of the key cover, the limiting rods are inserted into the limiting grooves, two sliding grooves are formed in the outer wall of one side of the key cover, a sleeve is fixedly arranged on the inner wall of one side of the equipment box, a spring is arranged in the sleeve, and sliding blocks are connected to the inside of the sleeve in a sliding mode, the outer wall welding of one side of sliding block has the bracing piece, the one end of bracing piece is provided with the gyro wheel, the gyro wheel is located the inside of sliding tray.

Furthermore, the outer wall of one side of the equipment box is provided with a mounting groove, and the inner walls of two sides of the mounting groove are both fixed with sliding rods.

Furthermore, the two sliding rods are connected with first fixing rods with connecting holes in a sliding mode, and second fixing rods and third fixing rods are inserted into the first fixing rod connecting holes respectively in an inserting mode.

Furthermore, the outer walls of the tops of the second fixing rod and the third fixing rod are welded with a connecting cross rod, the outer wall of one side of the equipment box is provided with an insertion groove, and the specification of the insertion groove is matched with that of the second fixing rod.

Furthermore, the first fixing rod and the second fixing rod are made of wood materials, and the piano key cover is L-shaped.

Furthermore, the specification of the plug hole is matched with that of the key cover, and the width of the equipment box is larger than the length of the key cover.

The utility model has the advantages that:

1. through the spliced eye, spacing groove and the gag lever post that set up, musical instrument key lid is inserted to the drawing that can be fine, and convenient to use person's use has reduced flip's among the traditional art design, has improved the convenience when using greatly.

2. Through sleeve, spring and the gyro wheel that sets up, the position of fixed key lid that can be fine, the round trip movement of the key lid of being convenient for prevents that the key lid is excessive to be pulled out, and expanding spring has fine buffering effect simultaneously, prevents the too big damage that leads to the key lid of dynamics, has improved the stability and the buffer nature of key lid when making a round trip the pull.

3. Through first dead lever, second dead lever and the third dead lever that sets up, the music score for fixed piano that can be fine adjusts first dead lever, the length of second dead lever and third dead lever according to the specification of the music score that moreover can be fine, has improved the function diversity and the adjustable ability when the device uses.

Drawings

FIG. 1 is a schematic structural view of a piano body of a pull-out piano key cover according to the present invention;

FIG. 2 is a schematic view of the key cover structure of a pull-out piano key cover according to the present invention;

FIG. 3 is a schematic side view of a piano body with a key cover of a pull-out piano according to the present invention;

fig. 4 is a schematic structural view of a first fixing rod of a key cover of a pull-out piano of the present invention;

fig. 5 is a schematic structural view of a sliding rod of a key cover of a pull-out piano provided by the present invention.

In the figure: the piano comprises a piano body 1, supporting columns 2, keys 3, limiting rods 4, inserting holes 5, an equipment box 6, a connecting cross rod 7, a third fixing rod 8, a second fixing rod 9, a first fixing rod 10, a sliding rod 11, an inserting groove 12, a key cover 13, a limiting groove 14, a sliding groove 15, a roller 16, a supporting rod 17, a sliding block 18, a sleeve 19 and a spring 20.

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 to 5, a pull-out piano key cover comprises a piano body 1 and a key cover 13, the piano body 1 comprises three support columns 2, keys 3 and an equipment box 6, the support columns 2 are arranged on the outer wall of the bottom of the piano body 1, the keys 3 are arranged on the outer wall of the top of the piano body 1, the equipment box 6 is positioned at one side close to the keys 3, an inserting hole 5 is formed on the outer wall of one side of the equipment box 6, limiting rods 4 are arranged on the outer walls of two sides of the inserting hole 5, the key cover 13 is inserted into the inserting hole 5, limiting grooves 14 are formed on the outer walls of two sides of the key cover 13, the limiting rods 4 are inserted into the limiting grooves 14, two sliding grooves 15 are formed on the outer wall of one side of the key cover 13, a sleeve 19 is fixedly arranged on the inner wall of one side of the equipment box 6, and a spring 20 is arranged, the inside sliding connection of sleeve 19 has sliding block 18, and the welding of one side outer wall of sliding block 18 has bracing piece 17, and the one end of bracing piece 17 is provided with gyro wheel 16, and gyro wheel 16 is located the inside of sliding tray 15, spliced eye 5, spacing groove 14 and gag lever post 4, and the musical instrument key lid 13 is inserted in taking out that can be fine, and convenient to use person's use has reduced the design of flip among the conventional art, has improved the convenience when using greatly.

Further, the outer wall of one side of the equipment box 6 is provided with a mounting groove, and the inner walls of two sides of the mounting groove are both fixed with sliding rods 11.

Furthermore, the two sliding rods 11 are both connected with first fixing rods 10 with connecting holes in a sliding mode, the connecting holes of the two first fixing rods 10 are respectively inserted with second fixing rods 9 and third fixing rods 8, and the specifications of the second fixing rods 9 are the same as those of the third fixing rods 8.

Further, the top outer wall welding of second dead lever 9 and third dead lever 8 has connection horizontal pole 7, and the one side outer wall of equipment box 6 is opened has inserting groove 12, and inserting groove 12's specification and second dead lever 9's specification looks adaptation, second dead lever 9 can be fine accomodate in inserting groove 12's inside.

Furthermore, the first fixing rod 10 and the second fixing rod 9 are made of wood materials, the piano key cover 13 is in an L-shaped shape, namely the first fixing rod 10, the second fixing rod 9 and the third fixing rod 8, the music score for the piano can be well fixed, the lengths of the first fixing rod 10, the second fixing rod 9 and the third fixing rod 8 can be well adjusted according to the specification of the music score, and the function diversity and the adjustability of the device during use are improved.

Furthermore, the specification of the plug hole 5 is matched with the specification of the key cover 13, the width of the equipment box 6 is larger than the length of the key cover 13, and the key cover 13 can be well accommodated in the equipment box 6.

The working principle is as follows: during the use, at first stimulate key lid 13, the gag lever post slides in the spacing groove 14 of key lid 13 both sides outer wall, gyro wheel 16 at key lid 13 top slides in the inside of sliding tray 15, bracing piece 17 extrudees sliding block 18 when pulling certain position, sliding block 18 extrudees the effort of spring 20 buffering pulling key lid 13, can accomodate key lid 13 in the inside of equipment box 6 through opposite mode, through the first dead lever 10 that sets up, second dead lever 9 and third dead lever 8, the music score for the fixed piano that can be fine, and the first dead lever 10 is adjusted to the specification according to the music score that can be fine, the length of second dead lever 9 and third dead lever 8, function diversity and the controllability when having improved the device and having used.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. A pull-out piano key cover comprises a piano body (1) and a piano key cover (13), and is characterized in that the piano body (1) comprises support columns (2), keys (3) and equipment boxes (6), the number of the support columns (2) is three, the support columns (2) are arranged on the outer wall of the bottom of the piano body (1), the keys (3) are arranged on the outer wall of the top of the piano body (1), the equipment boxes (6) are located on one side close to the keys (3), inserting holes (5) are formed in the outer wall of one side of the equipment boxes (6), limiting rods (4) are arranged on the outer walls of the two sides of the inserting holes (5), the piano key cover (13) is inserted in the inserting holes (5), limiting grooves (14) are formed in the outer walls of the two sides of the piano key cover (13), the limiting rod (4) is inserted into the limiting groove (14), the outer wall of one side of the piano key cover (13) is provided with two sliding grooves (15), the inner wall of one side of the equipment box (6) is fixedly provided with a sleeve (19), a spring (20) is arranged inside the sleeve (19), the sliding block (18) is connected inside the sleeve (19) in a sliding mode, the outer wall of one side of the sliding block (18) is welded with a supporting rod (17), one end of the supporting rod (17) is provided with a roller (16), and the roller (16) is located inside the sliding grooves (15).

2. The cover as claimed in claim 1, wherein an installation groove is formed on an outer wall of one side of the equipment box (6), and a sliding bar (11) is fixed to an inner wall of both sides of the installation groove.

3. The key cover of a pull-out piano as claimed in claim 2, wherein the sliding rods (11) are slidably connected with first fixing rods (10) having connecting holes, and the connecting holes of the first fixing rods (10) are respectively inserted with the second fixing rod (9) and the third fixing rod (8).

4. The key cover of a pull-out piano as claimed in claim 3, wherein the connecting cross bar (7) is welded on the outer wall of the top of the second fixing bar (9) and the third fixing bar (8), the outer wall of one side of the equipment box (6) is provided with an insertion groove (12), and the specification of the insertion groove (12) is matched with that of the second fixing bar (9).

5. The cover as claimed in claim 3, wherein the first fixing lever (10) and the second fixing lever (9) are made of wood, and the cover (13) is L-shaped.

6. A pull-out piano key cover according to claim 1, wherein the size of the insertion hole (5) is adapted to the size of the key cover (13), and the width of the equipment box (6) is greater than the length of the key cover (13).