CN212230041U

CN212230041U - Lock cover structure of piano

Info

Publication number: CN212230041U
Application number: CN202020730287.4U
Authority: CN
Inventors: 孙志远
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2020-12-25
Anticipated expiration: 2030-05-07

Abstract

The utility model belongs to the technical field of the locking closure, especially be a locking closure structure of piano, including key lid and piano body, the side fixedly connected with fixing base of key lid, the top of fixing base is seted up the U-shaped groove, and fixedly connected with slide bar on the inner wall of U-shaped groove, the surface activity of slide bar has cup jointed the slide cartridge, the surface fixedly connected with inserted bar of slide cartridge; the utility model discloses, through setting up inserted bar and draw-in groove, in the course of not having the music, the accessible is with the inserted bar joint in the draw-in groove, inject the key in the jack, rotate the key, make the second pivot rotate, the second pivot drives second conical gear and rotates, make first conical gear rotate, make the screw thread post rotate, make the slider at the spout internalization, make a screw thread section of thick bamboo remove, make a screw thread section of thick bamboo pass the through-hole, the joint is in the draw-in groove, fix the inserted bar, it is fixed to make musical instrument key lid and piano body, protect the key, a structure is simple, high durability and convenient use.

Description

Lock cover structure of piano

Technical Field

The utility model belongs to the technical field of the locking closure, concretely relates to locking closure structure of piano.

Background

When last music piano class time, mr will use the piano, and is heavier because of the weight of piano, remove inconveniently, can place the piano in the music classroom, and most piano does not set up the locking closure, places in the music classroom when the piano, and mr is not in the time, and the student of some accent skin may move the piano in disorder, may damage the piano, can produce unnecessary economic loss to the school.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a locking closure structure of piano has simple structure, convenient to use's characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: a lock cover structure of a piano comprises a piano key cover and a piano body, wherein a fixed seat is fixedly connected to the side surface of the piano key cover, a U-shaped groove is formed in the top of the fixed seat, a slide rod is fixedly connected to the inner wall of the U-shaped groove, a slide cylinder is movably sleeved on the surface of the slide rod, an insertion rod is fixedly connected to the surface of the slide cylinder, a fixed shell is fixedly connected to the surface of the piano body, a first fixed block is fixedly connected to the inner wall of the fixed shell, a clamping groove is formed in the side surface of the first fixed block, a through hole is formed in the other side surface of the first fixed block, the insertion rod is clamped in the clamping groove, a clamping hole is formed in the insertion rod, a second fixed block is fixedly connected to the inner wall of the fixed shell, a first round hole is formed in the side surface of the second fixed block, a bearing is fixedly connected to the inner, the one end fixedly connected with screw thread post of first pivot, the surperficial threaded connection of screw thread post has a screw thread section of thick bamboo, the other end of a screw thread section of thick bamboo passes the through-hole joint and is downthehole at the card, the other end of first pivot is provided with first bevel gear, fixedly connected with bearing on the inner wall of set casing, and wear to be equipped with the second pivot in the bearing, be provided with second bevel gear in the second pivot, first bevel gear meshes with second bevel gear mutually.

Preferably, the surface of the threaded cylinder is fixedly connected with a sliding block, a sliding groove is formed in the inner wall of the first round hole, and the sliding block is movably connected in the sliding groove.

Preferably, a second round hole is formed in the surface of the fixed shell, a bearing is fixedly connected to the inner wall of the second round hole, and the other end of the second rotating shaft penetrates through the bearing.

Preferably, one end of the second rotating shaft is provided with a jack, and a key is movably connected in the jack.

Preferably, the positions of the clamping hole, the through hole and the first round hole correspond to each other.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses, through setting up inserted bar and draw-in groove, in the course of not having the music, the accessible is with the inserted bar joint in the draw-in groove, inject the key in the jack, rotate the key, make the second pivot rotate, the second pivot drives second conical gear and rotates, make first conical gear rotate, make the screw thread post rotate, make the slider at the spout internalization, make a screw thread section of thick bamboo remove, make a screw thread section of thick bamboo pass the through-hole, the joint is in the draw-in groove, fix the inserted bar, it is fixed to make musical instrument key lid and piano body, protect the key, a structure is simple, high durability and convenient use.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a front view section of the present invention;

FIG. 2 is an enlarged schematic structural view of the position A of the present invention;

FIG. 3 is an enlarged schematic structural view of the position B of the present invention;

fig. 4 is a front view of the present invention;

in the figure: 1. a key cover; 2. a piano body; 3. a stationary case; 4. a fixed seat; 5. a slide bar; 6. a slide cylinder; 7. inserting a rod; 8. a first fixed block; 9. a card slot; 10. a clamping hole; 11. a through hole; 12. a second fixed block; 13. a first circular hole; 14. a bearing; 15. a first rotating shaft; 16. a threaded post; 17. a threaded barrel; 18. a slider; 19. a chute; 20. a first bevel gear; 21. a second rotating shaft; 22. a jack; 23. A second bevel gear; 24. a second circular hole; 25. a key.

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.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: a lock cover structure of a piano comprises a piano key cover 1 and a piano body 2, wherein a fixed seat 4 is fixedly connected to the side surface of the piano key cover 1, a U-shaped groove is formed in the top of the fixed seat 4, a slide rod 5 is fixedly connected to the inner wall of the U-shaped groove, a slide cylinder 6 is movably sleeved on the surface of the slide rod 5, an inserted link 7 is fixedly connected to the surface of the slide cylinder 6, a fixed shell 3 is fixedly connected to the surface of the piano body 2, a first fixed block 8 is fixedly connected to the inner wall of the fixed shell 3, a clamping groove 9 is formed in the side surface of the first fixed block 8, a through hole 11 is formed in the other side surface of the first fixed block 8, the inserted link 7 is clamped in the clamping groove 9, a clamping hole 10 is formed in the inserted link 7, a second fixed block 12 is fixedly connected to the inner wall of the fixed shell 3, a first round hole 13 is, a bearing 14 is fixedly connected to the inner wall of the first circular hole 13, a first rotating shaft 15 penetrates through the bearing 14, a threaded post 16 is fixedly connected to one end of the first rotating shaft 15, a threaded cylinder 17 is in threaded connection with the surface of the threaded post 16, the other end of the threaded cylinder 17 penetrates through a through hole 11 and is clamped in the clamping hole 10, a first bevel gear 20 is arranged at the other end of the first rotating shaft 15, the bearing 14 is fixedly connected to the inner wall of the fixed shell 3, a second rotating shaft 21 penetrates through the bearing 14, a second bevel gear 23 is arranged on the second rotating shaft 21, the first bevel gear 20 is meshed with the second bevel gear 23, the inserting rod 7 and the clamping groove 9 are arranged, and the second rotating shaft 21 can be rotated by clamping the inserting rod 7 in the clamping groove 9 and inserting a key 25 into the inserting hole 22 during the period without music lessons, the second pivot 21 drives second conical gear 23 and rotates, makes first conical gear 20 rotate, makes threaded column 16 rotate, makes slider 18 in the spout 19 internalization, makes a screw thread section of thick bamboo 17 remove, makes a screw thread section of thick bamboo 17 pass through-hole 11, and the joint is fixed the inserted bar 7 in draw-in groove 9, makes musical instrument key lid 1 and piano body 2 fixed, protects the key.

Specifically, the surface of the threaded cylinder 17 is fixedly connected with a sliding block 18, a sliding groove 19 is formed in the inner wall of the first round hole 13, and the sliding block 18 is movably connected in the sliding groove 19 to play a role in positioning the threaded cylinder 17.

Specifically, a second round hole 24 is formed in the surface of the fixed shell 3, a bearing 14 is fixedly connected to the inner wall of the second round hole 24, and the other end of the second rotating shaft 21 penetrates through the bearing 14.

Specifically, one end of the second rotating shaft 21 is provided with an insertion hole 22, and a key 25 is movably connected in the insertion hole 22, so that the piano key cover 1 can be opened conveniently.

Specifically, the positions of the clamping hole 10, the through hole 11 and the first round hole 13 correspond to each other.

The utility model discloses a theory of operation and use flow: the utility model discloses, when using, during not having the music class, through with 7 joints of inserted bar in draw-in groove 9, inject key 25 in jack 22, rotate key 25, make second pivot 21 rotate, second pivot 21 drives second conical gear 23 and rotates, make first conical gear 20 rotate, make screw thread post 16 rotate, make slider 18 at 19 internalizations of spout, make screw thread section of thick bamboo 17 remove, make screw thread section of thick bamboo 17 pass through-hole 11, the joint is in draw-in groove 9, fix inserted bar 7, it is fixed to make piano key lid 1 and piano body 2 fixed, it can to extract key 25.

Finally, it should be noted that: 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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a locking closure structure of piano, includes key lid (1) and piano body (2), its characterized in that: the piano key cover is characterized in that a fixed seat (4) is fixedly connected to the side face of the piano key cover (1), a U-shaped groove is formed in the top of the fixed seat (4), a slide rod (5) is fixedly connected to the inner wall of the U-shaped groove, a slide cylinder (6) is sleeved on the surface of the slide rod (5), an insertion rod (7) is fixedly connected to the surface of the slide cylinder (6), a fixed shell (3) is fixedly connected to the surface of the piano body (2), a first fixed block (8) is fixedly connected to the inner wall of the fixed shell (3), a clamping groove (9) is formed in the side face of the first fixed block (8), a through hole (11) is formed in the other side face of the first fixed block (8), the insertion rod (7) is clamped in the clamping groove (9), a clamping hole (10) is formed in the insertion rod (7), a second fixed block (12) is fixedly connected, a first round hole (13) is formed in the side surface of the second fixing block (12), a bearing (14) is fixedly connected to the inner wall of the first round hole (13), a first rotating shaft (15) penetrates through the bearing (14), one end of the first rotating shaft (15) is fixedly connected with a threaded column (16), the surface of the threaded column (16) is in threaded connection with a threaded cylinder (17), the other end of the threaded cylinder (17) penetrates through the through hole (11) and is clamped in the clamping hole (10), the other end of the first rotating shaft (15) is provided with a first bevel gear (20), the inner wall of the fixed shell (3) is fixedly connected with a bearing (14), a second rotating shaft (21) penetrates through the bearing (14), a second bevel gear (23) is arranged on the second rotating shaft (21), the first bevel gear (20) is meshed with the second bevel gear (23).

2. A cover lock structure for a piano according to claim 1, wherein: the surface of the threaded cylinder (17) is fixedly connected with a sliding block (18), a sliding groove (19) is formed in the inner wall of the first round hole (13), and the sliding block (18) is movably connected into the sliding groove (19).

3. A cover lock structure for a piano according to claim 1, wherein: the surface of the fixed shell (3) is provided with a second round hole (24), the inner wall of the second round hole (24) is fixedly connected with a bearing (14), and the other end of the second rotating shaft (21) penetrates through the bearing (14).

4. A cover lock structure for a piano according to claim 1, wherein: one end of the second rotating shaft (21) is provided with an insertion hole (22), and a key (25) is movably connected in the insertion hole (22).

5. A cover lock structure for a piano according to claim 1, wherein: the positions of the clamping hole (10), the through hole (11) and the first round hole (13) correspond to each other.