CN216902212U - Novel piano key lid structure - Google Patents
Novel piano key lid structure Download PDFInfo
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- CN216902212U CN216902212U CN202123375840.0U CN202123375840U CN216902212U CN 216902212 U CN216902212 U CN 216902212U CN 202123375840 U CN202123375840 U CN 202123375840U CN 216902212 U CN216902212 U CN 216902212U
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- hooking
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- key cover
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Abstract
The utility model discloses a novel piano key cover structure.A clamping hole is formed in a piano, and a barb is arranged in the clamping hole; a hooking structure matched with the barb is arranged in the key cover; the hooking structure comprises a pressing column, a jacking column, a transmission block and a hooking block; the upper end of the key cover is provided with a pressing hole, one side of the key cover is provided with a sliding hole, the lower end of the sliding hole is provided with a jacking groove, and one side of the sliding hole is communicated with the pressing hole through a connecting channel; the pressing column is inserted in the pressing hole in a sliding manner, and a first spring piece is arranged between the pressing column and the pressing hole; the pressing column and the transmission block are mutually pressed through the inclined plane; the hooking block is arranged in the sliding hole in a sliding mode, one side of the hooking block is integrally connected with the transmission block, and the pressing column drives the hooking block to move in the sliding hole through the transmission block; the jacking column is inserted in the jacking groove in a sliding mode, a second spring part is arranged between the jacking column and the jacking groove, and the upper end of the jacking column is abutted to the hook connecting block. The utility model can prevent the key cover from falling down under the interference of external force and has better aesthetic property.
Description
Technical Field
The utility model relates to the technical field of pianos, in particular to a novel piano key cover structure.
Background
The piano is a keyboard instrument in Western classical music and is known as the king of the instrument. It is composed of 88 keys and a metal string soundboard. The italian person batorolo kristoffli invented a piano in 1709. When the piano is played, the fallboard needs to be turned over, and when the piano is influenced by external force, the fallboard can fall down to injure fingers of a player.
Disclosure of Invention
The purpose of the utility model is as follows: in order to overcome the defects in the prior art, the utility model provides a novel piano key cover structure which can prevent the key cover from falling down due to external force interference and has better aesthetic property.
The technical scheme is as follows: in order to achieve the purpose, the novel piano key cover structure comprises a piano body and a key cover; the left side and the right side of the outer wall of the front end of the piano body are respectively provided with a mounting side plate, and the two sides of the lower end of the key cover are respectively in rotating connection with the two mounting side plates; a clamping hole is formed in the outer wall of the front end of the piano body, and a barb is arranged at the orifice of the clamping hole; a hooking structure matched with the barb is arranged in the key cover; the hooking structure comprises a pressing column, a jacking column, a transmission block and a hooking block; the upper end of the key cover is provided with a pressing hole, one side of the key cover facing the outer wall of the front end of the piano body is provided with a sliding hole, the lower end of the sliding hole is provided with a jacking groove, and one side of the sliding hole is communicated with the pressing hole through a connecting channel; the pressing column is inserted in the pressing hole in a sliding manner, and a first spring piece is arranged between the pressing column and the pressing hole; the lower end of the pressing column is provided with a lower inclined plane, the upper end of the transmission block is provided with an upper inclined plane, and the lower inclined plane and the upper inclined plane are mutually pressed; the hook connecting block is arranged in the sliding hole in a sliding mode, a hook groove which is hooked with the barb is formed in the hook connecting block, one side of the hook connecting block is integrally connected with the transmission block, the transmission block is located in the connecting channel, and the pressing column drives the hook connecting block to move in the sliding hole through the transmission block; the jacking column is inserted in the jacking groove in a sliding mode, a second spring part is arranged between the lower end of the jacking column and the bottom of the jacking groove, and the upper end of the jacking column is abutted to the hook connecting block.
Furthermore, the hooking block is divided into a hooking part at the front end and a pressing part at the rear end; the barb extends downwards from the upper edge of the hole opening of the clamping hole, the hook groove is arranged at the upper end of the hook part, and the outer wall of the hook part is mutually attached to the inner wall of the sliding hole; the lower end of the pressing part is spaced from the sliding hole.
Furthermore, the edge of the front end face of the hook connecting block is provided with an arc angle, and the lower end of the barb is provided with an arc angle.
Furthermore, the pressing part is composed of two sliding plates which are vertically spaced, a transverse inserting plate is arranged on one side of the upper end of the jacking column, and the transverse inserting plate is inserted between the two sliding plates in a sliding mode.
Further, the upper surface of the slide plate located above is flush with the upper surface of the hooking portion.
Furthermore, two clamping holes and two hooking structures are respectively arranged; the two hooking structures are respectively positioned at two sides of the upper end of the key cover.
Has the advantages that: the novel piano key cover structure has the following beneficial effects:
1) the key cover is provided with a hooking structure, and the hooking structure hooks the clamping hole on the piano body, so that the key cover is fixed and prevented from falling due to external force interference; the fixing of the key cover can be released by pressing the column;
2) the hooking block in the hooking structure can be manually pushed into the sliding hole, so that the hooking block is prevented from being excessively obtrusive on the surface of the key cover, and the key cover is good in attractiveness.
Drawings
FIG. 1 is a schematic illustration of the installation of a keycap;
FIG. 2 is a schematic structural view of the snap holes and the barbs;
FIG. 3 is a schematic structural view of a pressing hole, a jacking groove, a sliding hole and a connecting channel;
FIG. 4 is a schematic structural view of a pressing post, a hooking block, a jacking post and a transmission block;
FIG. 5 is a schematic view of the engagement of the pressing post and the pressing hole;
fig. 6 is a schematic view of the engagement of the transmission block and the connecting channel.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
A novel piano key cover structure as shown in fig. 1 to 6, comprising a piano body 1 and a key cover 2. The left and right sides of the outer wall of the front end of the piano body 1 are respectively provided with a mounting side plate 3, and the two sides of the lower end of the key cover 2 are respectively rotatably connected with the two mounting side plates 3. Be provided with card hole 4 on the front end outer wall of piano body 1, the drill way department of card hole 4 is provided with barb 5. A hooking structure matched with the barb 5 is arranged in the key cover 2.
The hooking structure comprises a pressing column 6, a jacking column 7, a transmission block 8 and a hooking block 9, and the structure of the hooking structure is shown in the attached figure 4.
One end of the key top 2 rotatably connected to the mounting side plate 3 is a lower end, and the other end is an upper end. Referring to fig. 3, a vertical pressing hole 10 is formed in the upper end of the key cover 2, a horizontal sliding hole 11 is formed in one side of the key cover 2 facing the outer wall of the front end of the piano body 1, a vertical jacking groove 12 is formed in the lower end of the sliding hole 11, one side of the sliding hole 11 is communicated with the pressing hole 10 through a connecting channel 13, and the connecting channel 13 connects the upper end of the sliding hole 11 with the middle of the pressing hole 10.
The pressing column 6 is vertically inserted into the pressing hole 10 in a sliding mode, a first spring piece 14 is arranged between the pressing column 6 and the pressing hole 10, and the first spring piece 14 stretches vertically. The lower end of the pressing column 6 is provided with a lower inclined surface 15, the upper end of the transmission block 8 is provided with an upper inclined surface 16, and the lower inclined surface 15 and the upper inclined surface 16 are mutually pressed. When the pressing column 6 is pressed downwards, the driving block 8 is driven to move through the upper inclined surface 16 and the lower inclined surface 15.
The hooking block 9 is transversely arranged in the sliding hole 11 in a sliding manner, and a hooking groove 17 hooked with the barb 5 is formed in the hooking block 9. One side and the driving block 8 body coupling of hooking piece 9, driving block 8 are located interface channel 13, press post 6 to pass through driving block 8 and drive hooking piece 9 and remove in hole 11 that slides. The jacking column 7 is inserted in the jacking groove 12 in a sliding mode, a second spring part 18 is arranged between the lower end of the jacking column 7 and the bottom of the jacking groove 12, and the upper end of the jacking column 7 abuts against the hook connecting block 9. When the hooking block 9 moves into the fastening hole 4, the second spring member 18 and the lifting column 7 may press the hooking block 9 upward so that the hooking groove 17 is hooked opposite to the barb 5 to secure the fallboard 2.
The hooking block 9 is divided into a hooking portion 19 at the front end and a pressing portion 20 at the rear end. The barb 5 extends vertically downward from the upper edge of the opening of the chucking hole 4, and the hooking groove 17 is provided at the upper end of the hooking portion 19. The outer wall of the hooking part 19 is attached to the inner wall of the sliding hole 11, and the lower end of the pressing part 20 is spaced from the sliding hole 11. As shown in fig. 4 and 6, the hooking portion 19 and the sliding hole 11 are square, and the lower end surface of the pressing portion 20 is higher than the lower end surface of the hooking portion 19.
The edge of the front end face of the hooking block 9 is provided with an arc angle, and the lower end of the barb 5 is provided with an arc angle, so that the hooking block 9 can enter the clamping hole 4 more easily.
The pressing part 20 is composed of two sliding plates 21 which are vertically spaced, a transverse inserting plate 22 is arranged on one side of the upper end of the jacking column 7, and the transverse inserting plate 22 is slidably inserted between the two sliding plates 21. The pressing part 20 is in sliding fit with the upper end of the jacking post 7
The upper surface of the upper sliding plate 21 is flush with the upper surface of the hooking part 19, so that the upper surface of the whole hooking block 9 can better adhere to the limit position of the upper end inner wall of the sliding hole 11.
The number of the clamping holes 4 and the hooking structure is two. The two hooking structures are respectively positioned on two sides of the upper end of the key cover 2, so that the fixing effect on the key cover 2 is better.
The working principle of the utility model is as follows: when playing, the key cover 2 is turned upwards, the pressing column 6 is pressed downwards by fingers, the pressing column 6 drives the transmission block 8 to move through the lower inclined surface 15 and the upper inclined surface 16, and the hooking part 19 is positioned in the sliding hole 11 at the moment, so that the transmission block 8 transversely moves towards the direction close to the hole opening of the sliding hole 11, and the hooking block 9 is driven to transversely move along the sliding hole 11; when the hooking part 19 of the hooking block 9 moves out of the sliding hole 11, and after one end of the transmission block 8 abuts against the inner wall of the connecting channel 13, the transmission block 8 does not move transversely any more, but moves downwards, so that the hooking block 9 can enter the clamping hole 4 more easily, and then the pressing column 6 is loosened, the hooking block 9 moves upwards under the action of the second spring part 18 and the jacking column 7, the hooking groove 17 is hooked with the barb 5, the key cover 2 is fixed, and the key cover 2 is prevented from falling due to external interference. After the performance is completed, the pressing column 6 is pressed by hand, and the hook groove 17 and the barb 5 are disengaged from each other, so that the fallboard 2 is turned downward; after the pressing column 6 is loosened, the pressing column 6 moves upwards under the action of the first spring part 14 to reset, so that the lower inclined surface 15 and the upper inclined surface 16 are separated from each other, the hook connecting block 9 can be manually pushed into the sliding hole 11, the hook connecting block 9 is prevented from being too abrupt on the surface of the key cover 2, and the attractiveness is improved.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the utility model and these are intended to be within the scope of the utility model.
Claims (6)
1. The utility model provides a novel piano key lid structure which characterized in that: comprises a piano body (1) and a key cover (2); the left side and the right side of the outer wall of the front end of the piano body (1) are respectively provided with a mounting side plate (3), and the two sides of the lower end of the key cover (2) are respectively in rotating connection with the two mounting side plates (3);
a clamping hole (4) is formed in the outer wall of the front end of the piano body (1), and a barb (5) is arranged at the orifice of the clamping hole (4); a hooking structure matched with the barb (5) is arranged in the key cover (2);
the hooking structure comprises a pressing column (6), a jacking column (7), a transmission block (8) and a hooking block (9);
the upper end of the key cover (2) is provided with a pressing hole (10), one side of the key cover (2) facing the outer wall of the front end of the piano body (1) is provided with a sliding hole (11), the lower end of the sliding hole (11) is provided with a jacking groove (12), and one side of the sliding hole (11) is communicated with the pressing hole (10) through a connecting channel (13);
the pressing column (6) is inserted in the pressing hole (10) in a sliding manner, and a first spring piece (14) is arranged between the pressing column (6) and the pressing hole (10); a lower inclined plane (15) is arranged at the lower end of the pressing column (6), an upper inclined plane (16) is arranged at the upper end of the transmission block (8), and the lower inclined plane (15) and the upper inclined plane (16) are mutually pressed;
the hooking block (9) is arranged in the sliding hole (11) in a sliding mode, a hooking groove (17) which is hooked with the barb (5) is formed in the hooking block (9), one side of the hooking block (9) is integrally connected with the transmission block (8), the transmission block (8) is located in the connecting channel (13), and the pressing column (6) drives the hooking block (9) to move in the sliding hole (11) through the transmission block (8); the jacking column (7) is slidably inserted into the jacking groove (12), a second spring part (18) is arranged between the lower end of the jacking column (7) and the bottom of the jacking groove (12), and the upper end of the jacking column (7) is abutted against the hook connecting block (9).
2. A new piano key cover structure according to claim 1, wherein: the hooking block (9) is divided into a hooking part (19) at the front end and a pressing part (20) at the rear end; the barb (5) extends downwards from the upper edge of the opening of the clamping hole (4), the hook groove (17) is arranged at the upper end of the hooking part (19), and the outer wall of the hooking part (19) is attached to the inner wall of the sliding hole (11); the lower end of the pressing part (20) is spaced from the sliding hole (11).
3. A novel piano key cover structure according to claim 2, wherein: the edge of the front end face of the hooking block (9) is provided with an arc angle, and the lower end of the barb (5) is provided with an arc angle.
4. A new piano key cover structure according to claim 2, wherein: the pressing part (20) is composed of two sliding plates (21) which are vertically spaced, a transverse inserting plate (22) is arranged on one side of the upper end of the jacking column (7), and the transverse inserting plate (22) is slidably inserted between the two sliding plates (21).
5. The novel piano key cover structure of claim 4, wherein: the upper surface of the slide plate (21) positioned above is flush with the upper surface of the hook part (19).
6. A novel piano key cover structure according to claim 1, wherein: the two clamping holes (4) and the two hooking structures are respectively arranged; the two hooking structures are respectively positioned at two sides of the upper end of the key cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123375840.0U CN216902212U (en) | 2021-12-29 | 2021-12-29 | Novel piano key lid structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123375840.0U CN216902212U (en) | 2021-12-29 | 2021-12-29 | Novel piano key lid structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216902212U true CN216902212U (en) | 2022-07-05 |
Family
ID=82210194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123375840.0U Active CN216902212U (en) | 2021-12-29 | 2021-12-29 | Novel piano key lid structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216902212U (en) |
-
2021
- 2021-12-29 CN CN202123375840.0U patent/CN216902212U/en active Active
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