Practical entry-level accordion
By installing locking and limiting components on the accordion, the problems of accordion box movement and key protection are solved, achieving quietness and safety when storing and retrieving the accordion.
Patent Information
- Application Number
- CN202520508516.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-03-17
- Estimated Expiration
- 2035-03-21
AI Technical Summary
When storing or retrieving existing accordions, the soundboxes can easily move and make noise, and the keys lack protection, leading to accidental pressing and damage.
It employs a locking and limiting structure, including a limiting rod, threaded block, and cover plate, to fix the piano body, protect the keys, and prevent the piano body from moving or being accidentally pressed.
It effectively prevents noise caused by the movement of the accordion case, protects the keys, avoids accidental touches and damage, and ensures the accordion is quiet and safe when stored and retrieved.
Smart Images
Figure CN224005655U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of musical instrument technology, and in particular to an entry-level practical accordion. Background Technology
[0002] The accordion is a keyboard instrument that can be played solo or as accompaniment. It can play beautiful melodies in single voices, as well as polyphonic pieces, and even, like the piano, can be played with both hands to create rich harmonies. The accordion has a powerful sound with a rich variety of timbre. The skillful combination of fingers and bellows allows for the production of a wide range of musical styles, a feat unmatched by many other instruments. Besides solo performances, it can also be used in ensembles and duets; in essence, an accordion is a small orchestra. Furthermore, its fixed pitch, ease of learning, small size, and portability make it suitable for players of all ages for personal enjoyment and convenient for performances in schools and theaters.
[0003] Nowadays, accordions are stored directly in cases, and there is no fixing between the two cases. When the accordion is taken out of the case or stored, the two cases are prone to moving, causing the accordion to make a sound. In addition, the keys on the two cases are not protected, so when the accordion is taken out of the case, it is easy to accidentally press the keys and make a sound. Utility Model Content
[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing an entry-level practical accordion.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: an entry-level practical accordion, including a bellows, with a first accordion box and a second accordion box respectively connected to both sides of the bellows. A locking device is connected between the first accordion box and the second accordion box. Keys are provided on the rear side of the first accordion box, and a cover plate is provided on the outside of the keys. The cover plate is movably connected to the first accordion box, and a limiting device 1 is connected between the cover plate and the keys. A limiting device 2 that is adapted to the cover plate is provided on the front side of the first accordion box, and a protective plate is connected to the front side of the second accordion box through a limiting device 3.
[0006] As a further description of the above technical solution: two mirror-symmetrical guide grooves are horizontally opened on the front side of the second piano case, and a guide block is movably connected in each guide groove. The guide block is fixedly connected to the guard plate. A handle is fixedly connected to the side of the second piano case and the side of the piano keys.
[0007] As a further description of the above technical solution: the locking component includes two limiting rods rotatably connected to the front side of the first instrument case. The two limiting rods are distributed vertically, and each of the ends of the two limiting rods is movably connected to a threaded block four, which is connected to the second instrument case.
[0008] As a further description of the above technical solution: a countersunk hole 4 is horizontally passed through the inner side of the end of the limiting rod, a connecting rod 4 is movably connected to the countersunk hole 4, a rotating block 4 is fixedly connected to the end of the connecting rod 4, the rotating block 4 abuts against the end of the limiting rod, the other end of the connecting rod 4 is fixedly connected to the threaded block 4, a threaded groove 5 adapted to the threaded block 4 is horizontally opened on the front side of the instrument case 1, and two threaded grooves 1 adapted to the threaded block 4 are horizontally opened on the front side of the instrument case 1. The two threaded grooves 1 are not on the same vertical line, and the rotation centers of the two limiting rods are not on the same vertical line.
[0009] As a further description of the above technical solution: the limiting member one includes a support plate fixed to the side of the piano key, a countersunk hole two is horizontally penetrating the front side of the support plate, a connecting rod two is movably connected in the countersunk hole two, one end of the connecting rod two is fixedly connected to a screw block three, and the other end is fixedly connected to a threaded block two, a threaded groove three is opened on the rear side of the cover plate, the threaded block two is threadedly connected in the threaded groove three, and the cover plate is an L-shaped plate.
[0010] As a further description of the above technical solution: the limiting member 2 includes a support block 1 fixed to the front side of the instrument case 1, a countersunk hole 3 horizontally penetrating the rear side of the support block 1, a connecting rod 3 movably passing through the countersunk hole 3, a rotating block 1 fixedly connected to one end of the connecting rod 3, and a threaded block 3 fixedly connected to the other end, and a threaded groove 4 adapted to the threaded block 3 is horizontally opened on the side of the cover plate.
[0011] As a further description of the above technical solution: the limiting component three includes a support block two fixedly connected to the upper front side of the instrument case two. The bottom surface of the support block two vertically penetrates a countersunk hole one. A connecting rod one is movably connected inside the countersunk hole one. One end of the connecting rod one is fixedly connected to a rotating block two, and the other end is fixedly connected to a threaded block one. A threaded groove two is vertically opened on the top surface of the guard plate. The threaded block one is threadedly connected inside the threaded groove two. The guard plate is a U-shaped plate.
[0012] This utility model has the following beneficial effects:
[0013] Compared to existing technologies, this entry-level practical accordion uses a locking mechanism consisting of two limiting rods connected between the first and second soundboxes. This mechanism secures the two soundboxes when the accordion is not in use, preventing movement of the soundboxes during retrieval and ensuring the bellows are in motion and produce sound. The cover is connected to the support plate outside the keys via a limiting rod, protecting the keys and preventing accidental key activation during retrieval, which could damage the accordion. A protective plate is connected to the second soundbox via a limiting rod, protecting the accordion keys. A second limiting rod, adapted to the cover, is located on the outside of the first soundbox, limiting and securing the open cover during use to prevent it from interfering with playing. Attached Figure Description
[0014] Figure 1 A three-dimensional view of the overall structure of an entry-level practical accordion proposed in this utility model;
[0015] Figure 2 This is a top sectional view of the overall structure of an entry-level practical accordion proposed in this utility model;
[0016] Figure 3 This utility model proposes an entry-level practical accordion. Figure 1 Enlarged view of the structure at point A in the middle;
[0017] Figure 4 This is a main sectional view showing the connection between the guard plate and the second support block of an entry-level practical accordion proposed in this utility model.
[0018] Figure 5 This utility model proposes an entry-level practical accordion. Figure 2 Enlarged view of the structure at point B;
[0019] Figure 6 This utility model proposes an entry-level practical accordion. Figure 2 Enlarged view of the structure at point C;
[0020] Figure 7 This utility model proposes an entry-level practical accordion. Figure 2 Enlarged view of the structure at point D.
[0021] Legend:
[0022] 1. Soundbox 1; 2. Threaded groove 1; 3. Support block 1; 4. Screw block 1; 5. Limiting rod; 6. Screw block 2; 7. Support block 2; 8. Pickguard; 9. Soundbox 2; 10. Handle; 11. Bellows; 12. Keys; 13. Support plate; 14. Cover plate; 15. Guide block; 16. Guide groove; 17. Threaded groove 2; 18. Threaded block 1; 19. Countersunk hole 1; 20. Connecting rod 1; 21. Screw block 3; 22. Connecting rod 2; 23. Countersunk hole 2; 24. Threaded groove 3; 25. Threaded block 2; 26. Threaded groove 4; 27. Threaded block 3; 28. Countersunk hole 3; 29. Connecting rod 3; 30. Threaded groove 5; 31. Threaded block 4; 32. Countersunk hole 4; 33. Screw block 4; 34. Connecting rod 4. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0024] Reference Figures 1 to 7 This utility model provides an entry-level practical accordion: including a bellows 11, with a first accordion box 1 and a second accordion box 9 connected to the two sides of the bellows 11 respectively. The first accordion box 1 and the second accordion box 9 are connected together by a locking device. The rear side of the first accordion box 1 is provided with keys 12. The outside of the keys 12 is covered by a cover plate 14. The cover plate 14 is movably connected to the first accordion box 1, and the cover plate 14 and the keys 12 are connected together by a limiting device 1. The front side of the first accordion box 1 is provided with a limiting device 2 that is adapted to the cover plate 14. The front side of the second accordion box 9 is connected to a guard plate 8 through a limiting device 3. The front side of the second accordion box 9 has two horizontally mirror-symmetrical guide grooves 16. Each guide groove 16 is movably connected to a guide block 15. The guide block 15 is fixedly connected to the guard plate 8. The side of the second accordion box 9 and the side of the keys 12 are each fixedly connected to a handle 10.
[0025] The locking mechanism includes two limiting rods 5 rotatably connected to the front side of the piano case 1. The two limiting rods 5 are distributed vertically. Each of the two limiting rods 5 is movably connected to a threaded block 31. The threaded block 31 is connected to the piano case 2 9. A countersunk hole 32 is horizontally passed through the inner side of the end of the limiting rod 5. A connecting rod 34 is movably connected to the countersunk hole 32. The end of the connecting rod 34 is fixedly connected to a rotating block 33. The rotating block 33 abuts against the end of the limiting rod 5. The other end of the connecting rod 34 is fixedly connected to the threaded block 31. A threaded groove 30 adapted to the threaded block 31 is horizontally opened on the front side of the piano case 1. Two threaded grooves 2 adapted to the threaded block 31 are horizontally opened on the front side of the piano case 1. The two threaded grooves 2 are not on the same vertical line, and the rotation centers of the two limiting rods 5 are not on the same vertical line.
[0026] The limiting component includes a support plate 13 fixed to the side of the piano key 12. A countersunk hole 23 is horizontally passed through the front side of the support plate 13. A connecting rod 22 is movably connected in the countersunk hole 23. One end of the connecting rod 22 is fixedly connected to a screw block 3 21, and the other end is fixedly connected to a threaded block 25. A threaded groove 3 24 is opened on the rear side of the cover plate 14. The threaded block 25 is threadedly connected in the threaded groove 3 24, and the cover plate 14 is an L-shaped plate.
[0027] The limiting component 2 includes a support block 3 fixed to the front side of the instrument case 1. The rear side of the support block 3 has a horizontal countersunk hole 28. A connecting rod 29 is movably connected inside the countersunk hole 28. One end of the connecting rod 29 is fixedly connected to a screw block 4, and the other end is fixedly connected to a threaded block 27. A threaded groove 26 that matches the threaded block 27 is horizontally opened on the side of the cover plate 14.
[0028] The limiting component three includes a support block two 7 fixedly connected to the upper front side of the instrument case two 9. The bottom surface of the support block two 7 vertically penetrates the countersunk hole one 19. The connecting rod one 20 is movably connected inside the countersunk hole one 19. One end of the connecting rod one 20 is fixedly connected to the rotating block two 6, and the other end is fixedly connected to the threaded block one 18. The top surface of the guard plate 8 is vertically opened with a threaded groove two 17. The threaded block one 18 is threadedly connected inside the threaded groove two 17. The guard plate 8 is a U-shaped plate.
[0029] By connecting the two accordion cases 1 and 9 with a locking mechanism consisting of two limiting rods 5, the two cases are fixed when the accordion is not in use, preventing them from moving when the accordion is being stored or retrieved, which would cause the bellows 11 to move and produce sound. The cover plate 14 is connected to the support plate 13 outside the keys 12 via a limiting member 1, protecting the keys 12 and preventing accidental touches that could cause them to make sound and damage the accordion when not in use. A protective plate 8 is connected to the outside of the accordion case 9 via a limiting member 3, protecting the accordion keys on the accordion case 9. A limiting member 2, which is compatible with the cover plate 14, is provided on the outside of the accordion case 1, limiting and fixing the open cover plate 14 when the accordion is in use, preventing the cover plate 14 from interfering with the playing of the accordion.
[0030] Working principle: When the accordion needs to be used, first remove the accordion from its case, then rotate the second rotating block 6. The second rotating block 6 drives the first connecting rod 20 to rotate, which in turn drives the first threaded block 18 to rotate, causing the first threaded block 18 to unscrew from the threaded groove 17 on the top surface of the pickplate 8. Then, remove the pickplate 8 from the front of the second accordion case 9, exposing the keys on the second accordion case 9. Next, rotate the third rotating block 21, which drives the second connecting rod 22 to rotate, causing the second connecting rod 22 to rotate... Rotate the second threaded block 25 to move it out of the third threaded groove 24. Then, flip the cover plate 14 forward so that the fourth threaded groove 26 on the side aligns with the third threaded block 27. Then, rotate the first rotating block 4. The first rotating block 4 drives the third threaded block 27 to rotate through the third connecting rod 29, so that the third threaded block 27 is screwed into the fourth threaded groove 26, fixing the cover plate 14 and exposing the piano keys 12 on the piano case 1. Then, the fourth threaded block 3 on the two limiting rods 5 is... 1. Unscrew the threaded groove 30 into the accordion body, then rotate the two limiting rods 5 so that their ends face each other and are vertically positioned on the front side of the accordion body 1. Then, screw the threaded blocks 31 on the two limiting rods 5 into the corresponding threaded groove 2 on the accordion body to fix the position of the two limiting rods 5. This prevents the two limiting rods 5 from obstructing the playing of the accordion. When not in use, combine the accordion body 1 and the accordion body 2, and connect them via the threaded blocks 31 on the two limiting rods 5. 1. Fix the piano body 1 and piano body 2 9, then unscrew the threaded block 3 27, then flip the cover plate 14 backward, the cover plate 14 covers the piano key 12, and fix the cover plate 14 to the support plate 13 through the threaded block 2 25 to protect the piano key 12. Then install the guard plate 8 on the front side of the piano body 2 9 through the guide groove 16 and the guide block 15, and fix the guard plate 8 to the front side of the piano body 1 using the threaded block 18 to protect the keys on the front side of the piano body 1.
[0031] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A beginner's practical accordion, comprising a bellows (11) connected to a first piano box (1) and a second piano box (9) on both sides, respectively, characterized in that: The locking piece is connected between the case one (1) and the case two (9), the rear side of the case one (1) is provided with a key (12), the outside of the key (12) is covered with a cover plate (14), the cover plate (14) is movably connected with the case one (1), a limiting piece one is connected between the cover plate (14) and the key (12), the front side of the case one (1) is provided with a limiting piece two matched with the cover plate (14), and the front side of the case two (9) is connected with a guard plate (8) through a limiting piece three.
2. A starter utility accordion according to claim 1, characterised in that: The front side of the case two (9) is horizontally provided with two upper and lower mirror-symmetrical guide grooves (16), each of the guide grooves (16) is movably connected with a guide block (15), the guide block (15) is fixedly connected with the guard plate (8), and the side surface of the case two (9) and the side surface of the key (12) are fixedly connected with a handle (10).
3. A starter utility accordion according to claim 1, wherein: The locking piece comprises two limiting rods (5) rotatably connected with the front side of the case one (1), the two limiting rods (5) are distributed in upper and lower positions, the ends of the two limiting rods (5) are movably connected with a threaded block four (31), and the threaded block four (31) is connected with the case two (9).
4. A starter utility accordion according to claim 3, characterised in that: The end of the limiting rod (5) is horizontally penetrated with a countersunk hole four (32), a connecting rod four (34) is movably penetrated in the countersunk hole four (32), the end of the connecting rod four (34) is fixedly connected with a rotating block four (33), the rotating block four (33) abuts against the end of the limiting rod (5), the other end of the connecting rod four (34) is fixedly connected with the threaded block four (31), the front side of the case one (1) is horizontally provided with a threaded groove five (30) matched with the threaded block four (31), the front side of the case one (1) is horizontally provided with two threaded grooves one (2) matched with the threaded block four (31), the two threaded grooves one (2) are not on the same vertical line, and the rotation centers of the two limiting rods (5) are not on the same vertical line.
5. A starter utility accordion according to claim 1, wherein: The limiting piece one comprises a support plate (13) fixed on the side surface of the key (12), the front side of the support plate (13) is horizontally penetrated with a countersunk hole two (23), a connecting rod two (22) is movably penetrated in the countersunk hole two (23), one end of the connecting rod two (22) is fixedly connected with a rotating block three (21), the other end is fixedly connected with a threaded block two (25), the rear side of the cover plate (14) is provided with a threaded groove three (24), the threaded block two (25) is threadedly connected in the threaded groove three (24), and the cover plate (14) is an L-shaped plate.
6. A starter utility accordion according to claim 1, wherein: The limiting piece two comprises a support block one (3) fixed on the front side surface of the case one (1), the rear side of the support block one (3) is horizontally penetrated with a countersunk hole three (28), a connecting rod three (29) is movably penetrated in the countersunk hole three (28), one end of the connecting rod three (29) is fixedly connected with a rotating block one (4), the other end is fixedly connected with a threaded block three (27), and the side surface of the cover plate (14) is horizontally provided with a threaded groove four (26) matched with the threaded block three (27).
7. A starter utility accordion according to claim 1, wherein: The limiting piece three includes a support block two (7) fixedly connected to the front side upper end of the sound box two (9), the bottom surface of the support block two (7) is vertically penetrated through a countersunk hole one (19), a connecting rod one (20) is movably penetrated through in the countersunk hole one (19), one end of the connecting rod one (20) is fixedly connected with a rotating block two (6), the other end is fixedly connected with a threaded block one (18), the top surface of the guard plate (8) is vertically provided with a threaded groove two (17), the threaded block one (18) is screw-connected in the threaded groove two (17), and the guard plate (8) is a U-shaped plate.