Five-string plucked instrument
By designing a fifty-string structure and a tension-balanced tuning mechanism, the problems of narrow range and unstable sound quality of traditional plucked string instruments were solved, achieving range expansion and sound quality improvement.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENGSHI ZHONGRUN (BEIJING) INTERNATIONAL TECHNOLOGY CO LTD
- Filing Date
- 2025-04-28
- Publication Date
- 2026-04-17
AI Technical Summary
Existing traditional plucked string instruments, such as the se, have a limited number of strings, a narrow range, and unstable sound quality. Furthermore, the string support slider in the middle of the resonator is prone to slipping, leading to unstable performance.
The design incorporates a 50-string plucked instrument with a tension equalization mechanism and a tuning mechanism. It is formed by connecting 29 strings to the bridge, creating a 50-string structure. Combined with the tuning of the black and white keys of a piano, it achieves the twelve-tone equal temperament and maintains stable sound quality by adaptively adjusting the string tension and tuning.
It expands the instrument's range, improves performance, ensures uniform string tension and stable tone, and solves the problems of narrow range and unstable tone.
Smart Images

Figure CN224137879U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of musical instrument technology, and in particular to a fifty-string plucked instrument. Background Technology
[0002] Among existing traditional Chinese plucked string instruments, taking the se as an example, the main structure of the se includes: the se body, the support, and the soundbox. Twenty-nine strings are evenly laid out on the soundbox, with a bridge on one side supporting the strings and the strings fixed to the soundbox on the other side. There is a string support slider in the middle to support the strings.
[0003] The existing se has 21 strings and produces a pentatonic scale. Its narrow range cannot meet the performance needs of a variety of pieces, which is a limitation. In addition, the se string support slider in the middle of the resonator box has uneven string tension during performance, and the slider is easy to slip, resulting in unstable sound quality and a major defect. Utility Model Content
[0004] The purpose of this invention is to provide a fifty-string plucked instrument, which aims to solve or improve at least one of the aforementioned technical problems.
[0005] To achieve the above objectives, this utility model provides the following solution: This utility model provides a fifty-string plucked instrument, comprising:
[0006] support;
[0007] A resonance chamber is mounted on the support.
[0008] A pair of Yue Shan (a type of resonator) are positioned on the top surface of the resonating box;
[0009] A tension balancing mechanism is provided on the resonating box. The tension balancing mechanism is provided with twenty-nine strings. Twenty-one of the strings are connected at both ends to a pair of bridges, and the other eight strings are connected at one end to any of the bridges and at the other end to the top surface of the resonating box through a connector.
[0010] Multiple tuning mechanisms are disposed on the top surface of the resonator, and the multiple tuning mechanisms are respectively disposed at the end of the string near the bridge.
[0011] Optionally, the tension equalization mechanism includes:
[0012] A mounting plate is provided on the top surface of the resonating box;
[0013] Multiple uprights are mounted on the mounting plate, and each of the multiple uprights corresponds to one of the twenty-nine strings. Each upright is rotatably connected to a rotating component via a self-resetting component. The rotating component has a slot, and the strings are used to be placed in the slot.
[0014] Optionally, the self-resetting element is a torsion spring.
[0015] Optionally, the back of the resonator has multiple grooves along the length of the strings, and each groove corresponds to one of the strings.
[0016] Optionally, the tuning mechanism includes:
[0017] A slide rail is provided on the top surface of the resonating box;
[0018] A sliding frame is slidably connected to the slide rail. An upper clamping plate is connected to the top plate of the sliding frame by bolts and threads. A lower clamping plate is elastically connected to the bottom plate of the sliding frame. The lower clamping plate is located directly below the upper clamping plate. The lower clamping plate and the upper clamping plate are used to clamp the strings.
[0019] Optionally, the sliding frame base plate is provided with a plurality of first through holes, and a first connecting post slides through the first through hole. One end of the first connecting post is connected to the lower clamping plate, and the other end is connected to the sliding frame through a spring.
[0020] Optionally, the sliding frame base plate is provided with a plurality of second through holes, and a second connecting post slides through the second through hole. One end of the second connecting post is connected to the upper clamping plate, and the other end is connected to a locking block. The locking block is engaged with a locking plate, and the locking plate is fixedly connected to the slide rail.
[0021] Optionally, a pair of sliding grooves are provided on the inner sidewalls of the slide rail, and a pair of sliders are connected to the sliding frame. The sliders correspond one-to-one with the sliding grooves and slide in cooperation.
[0022] Optionally, the slide rail is bonded to the top surface of the resonator.
[0023] Optionally, the mounting plate is bonded to the top surface of the resonator.
[0024] The present invention discloses the following technical effects:
[0025] By designing the connection positions of the twenty-nine strings, with the tension balancing mechanism as the center, and the twenty-ninth and twenty-first strings on both sides, a fifty-string concept is formed, similar to the effect of the black and white keys on a piano. This creates both pentatonic and heptatonic scale modes, forming a complete twelve-tone equal temperament, expanding the range of national musical instruments, increasing the scope of instrument performance, and improving the performance capabilities of the instrument.
[0026] Furthermore, the tension equalization mechanism on the strings can adaptively adjust the string tension during performance, keeping the string tension uniform. Combined with the tuning mechanism, it can tune the strings and maintain good sound quality. Attached Figure Description
[0027] The accompanying drawings, which form part of this application, are used to provide a further understanding of this application. The illustrative embodiments and descriptions of this application are used to explain this application and do not constitute an undue limitation of this application. In the drawings:
[0028] Figure 1 This is a top view of the present invention;
[0029] Figure 2 This is a bottom view of the resonator box of this utility model;
[0030] Figure 3 This is a schematic diagram of the tension balancing mechanism of this utility model;
[0031] Figure 4 This is a schematic diagram of the tuning mechanism structure of this utility model;
[0032] Figure 5 This is a cross-sectional view of the tuning mechanism of this utility model;
[0033] Figure 6 This is a schematic diagram of the card block and card plate structure of this utility model.
[0034] In the diagram: 1. Bracket; 2. Resonance box; 3. Yueshan (bridge); 4. Tension balancing mechanism; 41. Mounting plate; 42. Column; 43. Self-resetting component; 44. Rotating component; 45. Slot; 5. String; 6. Tuning mechanism; 61. Slide rail; 62. Sliding frame; 63. Bolt; 64. Upper clamping plate; 65. Lower clamping plate; 66. First connecting column; 67. Spring; 68. Second connecting column; 69. Locking block; 610. Locking plate; 611. Slide groove; 612. Slider; 7. Groove. Detailed Implementation
[0035] 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.
[0036] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0037] Reference Figures 1-6 This utility model provides a fifty-string plucked instrument, comprising:
[0038] Bracket 1;
[0039] Resonance box 2 is mounted on support 1;
[0040] A pair of Yue Shan 3 are set on the top surface of the resonance box 2;
[0041] Tension balancing mechanism 4 is set on resonating box 2. Twenty-nine strings 5 are set on tension balancing mechanism. Twenty-one strings 5 are connected to a pair of bridges 3 at both ends. The other eight strings 5 are connected to any bridge 3 at one end and to the top surface of resonating box 2 through a connector at the other end.
[0042] Multiple tuning mechanisms 6 are located on the top surface of the resonating box 2, and multiple tuning mechanisms 6 are respectively located at the end of the string 5 near the bridge 3.
[0043] By designing the connection positions of the 29 strings, with the tension balancing mechanism as the center, the 29th and 21st strings are on either side, forming a 50-string concept, similar to the combination of black and white keys on a piano. This creates both pentatonic and heptatonic scales, forming a complete twelve-tone equal temperament, expanding the range of national musical instruments, increasing the scope of instrument performance, and improving the performance capabilities of the instrument.
[0044] Furthermore, a tension equalization mechanism 4 is installed on the string 5, which can adaptively adjust the tension of the string 5 during the performance, so that the tension of the string 5 remains uniform. In conjunction with the tuning mechanism 6, the string 5 is tuned to maintain a good sound quality.
[0045] In one embodiment of this utility model, the tension equalization mechanism 4 includes:
[0046] Mounting plate 41 is installed on the top surface of resonance box 2;
[0047] Multiple uprights 42 are mounted on the mounting plate 41. Each of the multiple uprights 42 corresponds to one of the twenty-nine strings 5. A rotating component 44 is rotatably connected to the uprights 42 via a self-resetting component 43. A slot 45 is provided on the rotating component 44, and the strings 5 are used to be placed in the slot 45.
[0048] When the string 5 is plucked, the string 5 can drive the rotating part 44 on the post 42 to rotate slightly, forming a slight follow-up effect, which causes the self-resetting part 43 to store force, and then the self-resetting part 43 releases force to make the rotating part 44 automatically reset, so that the string 5 always maintains a good tension state.
[0049] In one embodiment of this utility model, the self-resetting member 43 is a torsion spring.
[0050] In one embodiment of this invention, multiple grooves 7 are formed on the back of the resonator 2 along the length of the strings 5, and each groove 7 corresponds to a different string 5. The correspondence between the grooves 7 and the strings 5 effectively improves pitch accuracy.
[0051] In one embodiment of this utility model, the tuning mechanism 6 includes:
[0052] Slide rail 61 is installed on the top surface of resonance box 2;
[0053] The sliding frame 62 is slidably connected to the slide rail 61. The top plate of the sliding frame 62 is threadedly connected to the upper clamping plate 64 by bolts 63 (the bolts 63 and the upper clamping plate 64 are rotatably connected). The bottom plate of the sliding frame 62 is elastically connected to the lower clamping plate 65, which is located directly below the upper clamping plate 64. The lower clamping plate 65 and the upper clamping plate 64 are used to clamp the strings 5.
[0054] The string 5 can be tuned by adjusting the position of the sliding bracket 62 on the slide rail 61, and the string 5 can be clamped by rotating the bolt 63 with the upper clamp 64 and the lower clamp 65, so as to prevent the string 5 from moving too much during the performance.
[0055] In one embodiment of this utility model, a plurality of first through holes are provided on the bottom plate of the sliding frame 62, and a first connecting post 66 slides through the first through hole. One end of the first connecting post 66 is connected to the lower clamping plate 65, and the other end is connected to the sliding frame 62 through a spring 67.
[0056] The spring 67 and the first connecting post 66 form an elastic mechanism that enables the upper clamping plate 64 and the lower clamping plate 65 to effectively clamp the string 5.
[0057] In one embodiment of this utility model, a plurality of second through holes are provided on the bottom plate of the sliding frame 62, and a second connecting post 68 slides through the second through hole. One end of the second connecting post 68 is connected to the upper clamping plate 64, and the other end is connected to a locking block 69. The locking block 69 is engaged with a locking plate 610, and the locking plate 610 is fixedly connected to the slide rail 61.
[0058] During the downward movement of the upper clamping plate 64, the second connecting column 68 drives the locking block 69 to engage with the locking plate 610, thereby limiting the position of the sliding frame 62 on the slide rail 61 and realizing the synchronous fixation of the sliding frame 62 and the string 5. The locking block 69 and the locking plate 610 are compatible sawtooth structures.
[0059] In one embodiment of this utility model, a pair of sliding grooves 611 are provided on the inner sidewalls of the slide rail 61, and a pair of sliders 612 are connected to the sliding frame 62. The sliders 612 and the sliding grooves 611 correspond to each other and slide in cooperation. The sliding stability of the sliding frame 62 on the slide rail 61 can be effectively improved by the sliders 612 and the sliding grooves 611.
[0060] In one embodiment of this utility model, the slide rail 61 is bonded to the top surface of the resonance box 2, and the mounting plate 41 is bonded to the top surface of the resonance box 2. Without changing the structure of the resonance box 2, the resonance box 2 maintains a good resonance effect.
[0061] In the description of this utility model, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0062] The embodiments described above are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Various modifications and improvements made to the technical solutions of the present utility model by those skilled in the art without departing from the spirit of the present utility model should fall within the protection scope defined by the claims of the present utility model.
Claims
1. A fifty-string plucked musical instrument, characterized by, include: Frame (1); A resonance box (2) is mounted on the support (1); A pair of Yue Shan (3) are set on the top surface of the resonance box (2); A tension balancing mechanism (4) is provided on the resonance box (2). Twenty-nine strings (5) are provided on the tension balancing mechanism. The two ends of twenty-one of the strings (5) are respectively connected to a pair of bridges (3). One end of the other eight strings (5) is connected to any bridge (3), and the other end is connected to the top surface of the resonance box (2) through a connector. Multiple tuning mechanisms (6) are disposed on the top surface of the resonance box (2), and the multiple tuning mechanisms (6) are respectively disposed at one end of the string (5) near the bridge (3).
2. A fifty string plucked musical instrument according to claim 1, wherein, The tension equalization mechanism (4) includes: Mounting plate (41) is disposed on the top surface of the resonating box (2); Multiple uprights (42) are set on the mounting plate (41). Each of the multiple uprights (42) corresponds to one of the twenty-nine strings (5). A rotating part (44) is rotatably connected to the uprights (42) through a self-resetting part (43). A slot (45) is opened on the rotating part (44), and the strings (5) are used to be set in the slot (45).
3. A fifty string plucked musical instrument according to claim 2, wherein, The self-resetting component (43) is a torsion spring.
4. A fifty string plucked musical instrument according to claim 1, wherein, The back of the resonator (2) has multiple grooves (7) along the length of the strings (5), and the multiple grooves (7) correspond one-to-one with the multiple strings (5).
5. A fifty string plucked musical instrument as defined in claim 1, characterized in that The tuning mechanism (6) includes: A slide rail (61) is provided on the top surface of the resonance box (2); A sliding frame (62) is slidably connected to the slide rail (61). An upper clamping plate (64) is threadedly connected to the top plate of the sliding frame (62) by bolts (63). A lower clamping plate (65) is elastically connected to the bottom plate of the sliding frame (62). The lower clamping plate (65) is located directly below the upper clamping plate (64). The lower clamping plate (65) and the upper clamping plate (64) are used to clamp the string (5).
6. A fifty string plucked musical instrument according to claim 5, wherein, The sliding frame (62) has a plurality of first through holes on its bottom plate. A first connecting post (66) slides through the first through hole. One end of the first connecting post (66) is connected to the lower clamping plate (65), and the other end is connected to the sliding frame (62) through a spring (67).
7. A fifty string plucked musical instrument according to claim 6, wherein, The sliding frame (62) has multiple second through holes on its base plate. A second connecting post (68) slides through the second through hole. One end of the second connecting post (68) is connected to the upper clamping plate (64), and the other end is connected to a locking block (69). The locking block (69) is engaged with a locking plate (610), and the locking plate (610) is fixedly connected to the slide rail (61).
8. A fifty-string plucked instrument according to claim 5, characterized in that, A pair of sliding grooves (611) are provided on the inner sidewalls opposite to each other of the slide rail (61), and a pair of sliders (612) are connected to the sliding frame (62). The sliders (612) correspond one-to-one with the sliding grooves (611) and slide in cooperation.
9. A fifty string plucked musical instrument according to claim 5, wherein, The slide rail (61) is bonded to the top surface of the resonance box (2).
10. A fifty string plucked musical instrument according to claim 2, wherein, The mounting plate (41) is bonded to the top surface of the resonating box (2).