Multi-mode mouthpiece-replaceable musical instrument structure

Abstract

The invention relates to the technical field of musical instruments, and particularly discloses a multi-mode mouthpiece-replaceable musical instrument structure, which comprises detachable multi-style musical instrument sockets, different styles of vertical bamboo flute sockets and improved flute heads with external notches, a musical instrument tube body; the musical instrument tube body is provided with four sections which are sequentially numbered as a first section, a second section, a third section and a fourth section from top to bottom; a plurality of male and female plug-in units are arranged, one male and female plug-in unit is installed at the top end of each section of the musical instrument tube body in an inserted mode, and every two adjacent sections of the musical instrument tube bodies are installed together through the corresponding male and female plug-in unit; through cooperative work of the multiple sections of musical instrument pipes, the multiple male and female plug-in units and the multiple mouthpieces, the male and female plug-in units can install different mouthpieces on the musical instrument pipes, the problem that mouthpieces of traditional musical instruments are fixed is solved, diversified playing requirements can be met, a player can split the whole musical instrument into four sections by means of the male and female plug-in units, and the musical instrument is convenient to use. And the music player can be easily carried outdoors for playing.

Description

Technical Field

[0001] This invention belongs to the field of musical instrument technology, specifically relating to a musical instrument structure with a multi-mode interchangeable mouthpiece. Background Technology

[0002] Musical instruments are instruments or devices used to play music, produce musical sounds, or generate specific sound effects. They produce sound through vibration, airflow, and striking, and are important tools for human beings to express emotions and create art. Musical instruments are the basic carriers of music. Through the skills of the performer, musical scores are transformed into actual sounds, forming melodies, harmonies, and rhythms. Musical instrument performances can evoke resonance in the audience and are often used in social scenarios such as ceremonies, celebrations, and entertainment.

[0003] Traditional musical instruments typically have fixed mouthpieces, and their timbre and range are limited by factors such as materials, shape, and airflow channel design, making it difficult to meet diverse performance needs. In addition, the one-piece design of traditional musical instruments results in a large size and inconvenience in carrying them. Summary of the Invention

[0004] The purpose of this invention is to provide a multi-mode interchangeable mouthpiece musical instrument structure to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A multi-mode interchangeable mouthpiece instrument structure, comprising:

[0007] Instrument tube;

[0008] The instrument body has four sections, numbered from top to bottom as the first section, the second section, the third section, and the fourth section;

[0009] Male and female plugs are provided in multiple ways. Each section of the instrument tube is plugged into and installed with a male and female plug at the top. Adjacent sections of the instrument tube are installed together by the male and female plugs.

[0010] The male and female plug-in includes a male plug and a female plug. The lower part of the male plug is inserted and installed on the top of the female plug, and the upper part of the male plug is inserted and installed on the bottom of the instrument body. The lower part of the female plug is inserted and installed on the top of the instrument body.

[0011] The top of the instrument tube described in the first section can be selectively fitted with a covered mouthpiece, an inner U-shaped mouthpiece, or an outer cut mouthpiece via a male and female plug.

[0012] Preferably, the male connector includes a male connecting tube, a male edge sleeve, a male limiting strip, and a male positioning block. The upper part of the male connecting tube is inserted and installed at the bottom end of the instrument tube body. The male edge sleeve is disposed in the middle of the outer wall of the male connecting tube. There are two male limiting strips and two male positioning blocks. The two male limiting strips are respectively disposed on the inner walls of the two sides of the male edge sleeve, and the two male positioning blocks are respectively disposed on the two sides of the bottom end of the male edge sleeve.

[0013] Preferably, the female plug-in component includes a female connecting tube, a female edge sleeve, a female limiting strip, and a female positioning groove. The lower part of the female connecting tube is inserted and installed at the top of the instrument tube body. The female edge sleeve is disposed on the upper part of the outer wall of the female connecting tube. There are two female limiting strips and two female positioning grooves. The two female limiting strips are respectively disposed on the inner walls of the two sides of the female edge sleeve. The two female positioning grooves are respectively opened on the top two sides of the female edge sleeve.

[0014] Preferably, alignment marks are provided in the middle of the outer wall of the covered blowhole, the inner U-shaped blowhole, and the outer cut blowhole. A blowhole edge groove is provided in the lower part of the outer wall of the covered blowhole, the inner U-shaped blowhole, and the outer cut blowhole. A blowhole limiting groove is provided on the inner wall of both sides of the three blowhole edge grooves.

[0015] Preferably, the top of the instrument tube described in the first section is connected to a first flute head or a second flute head via a female plug-in component. The bottom ends of both the first and second flute heads are connected to plug-in tubes, and the lower part of the plug-in tubes is connected to the inside of the female plug-in component. A hoop is provided on the lower part of the outer wall of the first flute head.

[0016] Preferably, the outer walls of the middle two sections of the instrument tube are provided with multiple finger holes, the upper part of the outer walls of the four sections of the instrument tube are provided with female edge grooves, the inner walls on both sides of the multiple female edge grooves are provided with female limiting grooves, the upper part of the inner walls of the four sections of the instrument tube are provided with connecting grooves, the lower part of the outer walls of the upper three sections of the instrument tube are provided with male edge grooves, and the inner walls on both sides of the multiple male edge grooves are provided with male limiting grooves.

[0017] Preferably, the female edge groove is engaged with the female edge sleeve, the female limiting groove is engaged with the female limiting strip, the male edge groove is engaged with the male edge sleeve, and the male limiting groove is engaged with the male limiting strip.

[0018] Preferably, the instrument body is made of rosewood, and the covered mouthpiece, inner U-shaped mouthpiece, and outer cut mouthpiece are all made of rosewood or metal. The covered mouthpiece, inner U-shaped mouthpiece, and outer cut mouthpiece can all be installed on flutes, xiao, bamboo flutes, or shakuhachi of specific specifications by plugging in male and female plugs.

[0019] Preferably, the first flute head is made of mahogany, and the second flute head is made of aluminum alloy.

[0020] Preferably, the male connecting tube and the male edging sleeve, and the female connecting tube and the female edging sleeve are both integrated into one structure. The diameters of the male and female edging sleeves are consistent with the inner diameter of the instrument tube body. The diameter of the male connecting tube is consistent with the inner diameter of the female connecting tube, and the inner diameters of both the male and female connecting tubes are consistent with the inner diameter of the instrument tube body. The material of both the male and female plug-in parts is metal.

[0021] Compared with the prior art, the beneficial effects of the present invention are:

[0022] (1) This invention uses the coordinated work of multiple instrument tubes, multiple male and female plugs and multiple mouthpieces. The male and female plugs can install different mouthpieces on the instrument tubes, which solves the problem of fixed mouthpieces in traditional instruments. It can meet diverse performance needs. Moreover, the performer can use the male and female plugs to disassemble the entire instrument into four sections, put them in a backpack, and easily carry them outdoors for performance, which meets the performance needs in different scenarios, reduces the size and makes it easy to carry.

[0023] (2) The present invention can install the covered mouthpiece, the inner U mouthpiece and the outer cut mouthpiece on the instrument body by means of male and female plugs. These three interchangeable mouthpieces can be plugged into flutes, xiao, bamboo flutes or shakuhachi, demonstrating the versatility and applicability of the product and expanding the scope of application. They can not only allow the performer to experience the fun of playing, but also bring different timbre styles to the performer and meet the diverse performance needs.

[0024] (3) Through the coordinated work of the female edge groove, female limiting groove, connecting groove, male edge groove and male limiting groove, the male and female plugs and the instrument tube body are closely and precisely matched. This design not only ensures the stability of the connection between the various parts of the instrument and prevents loosening or falling off during use, but also greatly improves the air tightness. The precise air tightness provides a stable and reliable guarantee for the performance of the instrument, allowing the performer to control the airflow more smoothly. Attached Figure Description

[0025] Figure 1 This is a perspective view of the present invention;

[0026] Figure 2 This is an exploded view of the present invention;

[0027] Figure 3 This is a perspective view of the male and female plugs of the present invention;

[0028] Figure 4 This is a perspective view of the male and female plugs of the present invention;

[0029] Figure 5 This is a perspective view of the three types of nozzles of the present invention;

[0030] Figure 6This is a cross-sectional view of the instrument tube body of the present invention;

[0031] Figure 7 This is a perspective view of the flute head of the present invention;

[0032] Figure 8 These are perspective views of the three types of instrument tubes of the present invention;

[0033] In the diagram: 1. Instrument body; 2. Male and female inserts; 3. Finger holes; 4. Covered mouthpiece; 5. Inner U-shaped mouthpiece; 6. Outer cut mouthpiece; 7. Alignment mark; 8. Mouthpiece edging groove; 9. Mouthpiece limiting groove; 10. First flute head; 11. Second flute head; 12. Insert / removal tube; 13. Hoop; 14. Female edging groove; 15. Female limiting groove; 16. Connecting groove; 17. Male edging groove; 18. Male limiting groove;

[0034] 21. Male plug-in component; 22. Female plug-in component;

[0035] 211. Male connecting pipe; 212. Male edge sleeve; 213. Male limit strip; 214. Male positioning block;

[0036] 221. Female connecting pipe; 222. Female edge sleeve; 223. Female limiting strip; 224. Female positioning groove. Detailed Implementation

[0037] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0038] Example 1:

[0039] Please see Figures 1 to 8 As shown, a multi-mode interchangeable mouthpiece instrument structure includes:

[0040] Instrument tube 1;

[0041] The instrument body 1 has four sections, numbered from top to bottom as the first section, the second section, the third section, and the fourth section;

[0042] Male and female plug-in 2, there are multiple male and female plug-in 2, and one male and female plug-in 2 is inserted and installed at the top of each instrument tube 1. Adjacent instrument tubes 1 are installed together through male and female plug-in 2.

[0043] The male and female plug-in 2 includes a male plug-in 21 and a female plug-in 22. The lower part of the male plug-in 21 is plugged into the top of the female plug-in 22, and the upper part of the male plug-in 21 is plugged into the bottom of the instrument tube 1. The lower part of the female plug-in 22 is plugged into the top of the instrument tube 1.

[0044] The top of the instrument tube 1 can be selectively connected to a covered mouthpiece 4, an inner U-shaped mouthpiece 5, or an outer cut mouthpiece 6 via a male and female plug 2.

[0045] Depend on Figures 1 to 4 It can be seen that the male plug-in component 21 includes a male connecting tube 211, a male edge sleeve 212, a male limiting strip 213, and a male positioning block 214. The upper part of the male connecting tube 211 is plugged into the bottom end of the instrument tube body 1. The male edge sleeve 212 is located in the middle of the outer wall of the male connecting tube 211. There are two male limiting strips 213 and two male positioning blocks 214. The two male limiting strips 213 are respectively located on the inner walls of the two sides of the male edge sleeve 212, and the two male positioning blocks 214 are respectively located on the two sides of the bottom end of the male edge sleeve 212.

[0046] The female plug-in component 22 includes a female connecting tube 221, a female edge sleeve 222, a female limiting strip 223, and a female positioning groove 224. The lower part of the female connecting tube 221 is plugged into the top of the instrument tube body 1. The female edge sleeve 222 is located on the upper part of the outer wall of the female connecting tube 221. There are two female limiting strips 223 and two female positioning grooves 224. The two female limiting strips 223 are respectively located on the inner walls of the two sides of the female edge sleeve 222, and the two female positioning grooves 224 are respectively opened on the top two sides of the female edge sleeve 222.

[0047] As can be seen from the above, in use, the instrument body 1 has four sections, numbered from top to bottom as section one to section four. Each section of the instrument body 1 has a male and female connector 2 inserted into its top. The male and female connector 2 consists of a male connector 21 and a female connector 22. During installation, the lower part of the male connector 21 is inserted into the top of the female connector 22, and the upper part of the male connector 21 is inserted into the bottom of the next section of the instrument body 1. The lower part of the female connector 22 is inserted into the top of the next section of the instrument body 1. Adjacent sections of the instrument body 1 are thus installed together using the male and female connector 2. The upper part of the male connector 211 is inserted into… The female connecting tube 221 is inserted into the interior of the instrument body 1, and the two work together to achieve precise positioning and stable connection. Moreover, the player can use the male and female plugs 2 to disassemble the entire instrument into four sections, put them in a backpack, and easily carry them outdoors for performance, meeting the performance needs in different scenarios, reducing the size and making it easy to carry. In addition, the top of the first section of the instrument body 1 can be selectively connected to the male and female plugs 2 to install a covered mouthpiece 4, an inner U mouthpiece 5, or an outer cut mouthpiece 6. The player can change different mouthpieces according to the performance needs, solving the problem of fixed mouthpieces in traditional instruments and meeting diverse performance needs.

[0048] For details, please refer to Figures 1 to 4 As shown, the male connecting pipe 211 and the male sleeve 212, and the female connecting pipe 221 and the female sleeve 222 are both designed as an integrated structure. The diameters of the male sleeve 212 and the female sleeve 222 are consistent with the inner diameter of the instrument tube 1. The diameter of the male connecting pipe 211 is consistent with the inner diameter of the female connecting pipe 221. The inner diameters of the male connecting pipe 211 and the female connecting pipe 221 are both consistent with the inner diameter of the instrument tube 1. The materials of the male plug and female plug are both metal.

[0049] As can be seen from the above, the integrated structure can enhance the connection strength between components, reduce failures caused by loosening or separation of components, improve the stability and durability of the instrument structure, ensure that the sound quality is not affected by component connection problems during performance, and ensure that the male and female edging sleeves 212 and 222 can fit tightly with the instrument body 1, which helps to form good air tightness and prevent air leakage at the connection. This consistent size design allows the male connecting tube 211 and female connecting tube 221 to be accurately and tightly connected, while ensuring smooth connection with the instrument body 1, which is conducive to the stable passage of airflow, maintains the normal flow of airflow inside the instrument, and thus ensures the stability of tone and the accuracy of pitch. The metal material has high strength and durability, can withstand frequent plugging and unplugging operations without being easily damaged, and ensures the reliability of the connecting components during long-term use of the instrument.

[0050] Example 2:

[0051] refer to Figure 5 and Figure 6 As shown, alignment marks 7 are provided in the middle of the outer wall of the covered blowhole 4, the inner U-shaped blowhole 5 and the outer cut blowhole 6. Blowhole edge grooves 8 are provided in the lower part of the outer wall of the covered blowhole 4, the inner U-shaped blowhole 5 and the outer cut blowhole 6. Blowhole limiting grooves 9 are provided on the inner walls on both sides of the three blowhole edge grooves 8.

[0052] The outer walls of the two middle instrument tubes 1 are provided with multiple finger holes 3. The upper part of the outer wall of the four instrument tubes 1 is provided with female edge grooves 14. The inner walls on both sides of the multiple female edge grooves 14 are provided with female limiting grooves 15. The upper part of the inner wall of the four instrument tubes 1 is provided with connecting grooves 16. The lower part of the outer wall of the upper three instrument tubes 1 is provided with male edge grooves 17. The inner walls on both sides of the multiple male edge grooves 17 are provided with male limiting grooves 18.

[0053] As can be seen from the above, during use, when it is necessary to install a covered mouthpiece 4, an inner U-shaped mouthpiece 5, or an outer cut mouthpiece 6, the mouthpiece is initially connected to the top of the first section of the instrument body 1 through the male and female plug-in 2. At the same time, the mouthpiece edging groove 8 fits into the male edging sleeve 212 in the male and female plug-in 2, the female edging sleeve 222 in the male and female plug-in 2 can fit into the female edging groove 14, and the female connecting tube 221 fits into the connecting groove 16, realizing the insertion of the mouthpiece into the instrument body 1. Furthermore, through the snap-fit ​​of the mouthpiece limiting groove 9 and the male limiting strip 213, and the snap-fit ​​of the female limiting strip 223 and the female limiting groove 15, it can play a role in accurately positioning and firmly installing the mouthpiece, and further... It enhances the stability and precision of the connection between the various sections of the instrument, preventing loosening or detachment during use. It also greatly improves airtightness, effectively preventing air leakage. The precise airtightness provides a stable and reliable guarantee for the instrument's performance, allowing the performer to control the airflow more smoothly, thereby producing a pure, full, and stable sound. During performance, the alignment mark 7 can indicate the optimal blowing angle for the performer. Then, the performer places their fingers on the multiple finger holes 3 on the outer wall of the two middle sections of the instrument body 1, and changes the pitch by controlling the opening and closing of the finger holes 3, ensuring the rationality and functionality of the overall structure of the instrument.

[0054] Preferred, Reference Figure 5 and Figure 6 As shown, the female edge groove 14 is engaged with the female edge sleeve 222, the female limiting groove 15 is engaged with the female limiting strip 223, the male edge groove 17 is engaged with the male edge sleeve 212, and the male limiting groove 18 is engaged with the male limiting strip 213. The instrument body 1 is made of mahogany, and the materials of the covered mouthpiece 4, the inner U mouthpiece 5, and the outer cut mouthpiece 6 are all made of mahogany or metal. The covered mouthpiece 4, the inner U mouthpiece 5, and the outer cut mouthpiece 6 can all be installed on flutes, xiao, bamboo flutes, or shakuhachi of specific specifications by plugging in the male and female plugs 2.

[0055] As can be seen from the above, the snap-fit ​​and limiting design ensures accurate connection between the male and female plugs 2 and the instrument body 1, preventing misalignment or loosening during assembly or use. This precise connection method helps improve the instrument's airtightness and structural stability, ensuring the quality and stability of the sound during performance. Rosewood is a high-quality wood with excellent acoustic properties, enabling the instrument body 1 to produce a warm and mellow sound. The three mouthpiece materials are rosewood or metal, reflecting the requirements for product quality and characteristics. Different materials bring different timbres and feels, and also provide a basis for material selection in manufacturing. This indicates that these mouthpieces can be installed on a variety of traditional instruments, demonstrating the product's versatility and applicability, expanding the product's application range, and also changing the instrument's playing style and timbre style, facilitating further expansion of the instrument's performance.

[0056] Example 3:

[0057] refer to Figure 7 and Figure 8 As shown, the top of the first instrument body 1 is connected to either the first flute head 10 or the second flute head 11 via a female plug-in component 22. The bottom ends of both the first flute head 10 and the second flute head 11 are connected to a plug-in tube 12, and the lower part of the plug-in tube 12 is connected to the inside of the female plug-in component 22. A hoop ring 13 is provided on the lower part of the outer wall of the first flute head 10.

[0058] As can be seen from the above, when the performer needs to use a flute head, they can choose either the first flute head 10 or the second flute head 11 according to actual needs. The flute head is installed at the top of the first section of the instrument body 1 through the female plug-in part 22. During installation, the plug-in tube 12 installed at the bottom of the selected first flute head 10 or second flute head 11 is aligned with the female plug-in part 22 and inserted into it, so that the plug-in tube 12 and the female plug-in part 22 are connected and installed, thereby achieving a stable connection between the flute head and the first section of the instrument body 1. The lower part of the outer wall of the first flute head 10 is provided with... The hoop 13 serves two purposes: firstly, it adds a decorative element, enhancing the instrument's aesthetics; secondly, during performance, it may reinforce the insertion tube 12 within the first flute head 10, preventing it from loosening or being damaged due to frequent use or external forces, thus ensuring smooth performance. This interchangeable flute head design allows performers to flexibly choose the appropriate head according to different playing styles, repertoire requirements, or personal preferences, thereby enriching the instrument's playing modes and tonal expression.

[0059] Preferred, Reference Figure 7 and Figure 8 As shown, the first flute head 10 is made of mahogany, and the second flute head 11 is made of aluminum alloy.

[0060] As can be seen from the above, flute heads made of different materials can produce different tonal effects. The first flute head 10 made of rosewood can bring a warmer and softer tone, which is suitable for playing some lyrical and slow pieces; while the second flute head 11 made of aluminum alloy can have a brighter and sharper tone, which is suitable for playing some cheerful and lively pieces. Performers can choose the appropriate flute head according to the style of the piece and their own performance needs to enrich the expressiveness of the performance.

[0061] Application example:

[0062] This design demonstrates unique advantages and excellent results in various environments, including music teaching, performances, and outdoor performances. In music teaching environments, such as music training institutions and school music classrooms, where children's embouchure control and vocal skills are not yet fully developed, teachers can guide students to change different mouthpieces according to their level and needs for personalized teaching, thereby improving students' learning interest and enthusiasm. In performance environments, such as concerts, cultural performances, and celebrations, performers can quickly change the covered mouthpiece 4, the inner U mouthpiece 5, and the outer cut mouthpiece 6 using the male and female plugs 2 at the top of the instrument, according to different musical styles and performance needs, to obtain different tonal effects and enrich the tonal expression. At the same time, the precise airtight design and stable connection structure ensure the stability and reliability of the performance, improving the performance quality. In outdoor performance environments, whether it is an outdoor music festival, street performance, or park performance, the male and female plugs 2 installed between adjacent sections of the instrument allow the instrument to be disassembled into four sections, making it easy to carry and transport. Performers can easily take the instrument outdoors, and the different mouthpieces can adapt to different outdoor environments and atmospheres, bringing a rich and diverse auditory experience to the audience.

[0063] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A musical instrument structure with a multi-mode interchangeable mouthpiece, characterized in that, include: Instrument tube (1); The instrument tube (1) has four sections, which are numbered from top to bottom as the first section, the second section, the third section and the fourth section; Male and female plug-in (2), multiple male and female plug-in (2) are provided, and a male and female plug-in (2) is inserted and installed at the top of each section of the instrument tube (1). Adjacent sections of the instrument tube (1) are installed together through the male and female plug-in (2). The male and female plug-in (2) includes a male plug-in (21) and a female plug-in (22). The lower part of the male plug-in (21) is plugged into the top of the female plug-in (22), and the upper part of the male plug-in (21) is plugged into the bottom of the instrument tube (1). The lower part of the female plug-in (22) is plugged into the top of the instrument tube (1). The top of the instrument tube (1) described in the first section can be selectively connected to a covered mouthpiece (4), an inner U-shaped mouthpiece (5), or an outer cut mouthpiece (6) via a male and female plug (2).

2. The instrument structure with a multi-mode interchangeable mouthpiece according to claim 1, characterized in that: The male plug-in component (21) includes a male connecting tube (211), a male edge sleeve (212), a male limiting strip (213), and a male positioning block (214). The upper part of the male connecting tube (211) is inserted and installed at the bottom end of the instrument tube body (1). The male edge sleeve (212) is located in the middle of the outer wall of the male connecting tube (211). There are two male limiting strips (213) and two male positioning blocks (214). The two male limiting strips (213) are respectively located on the inner walls of the two sides of the male edge sleeve (212), and the two male positioning blocks (214) are respectively located on both sides of the bottom end of the male edge sleeve (212).

3. The instrument structure with a multi-mode interchangeable mouthpiece according to claim 2, characterized in that: The female plug-in component (22) includes a female connecting tube (221), a female edge sleeve (222), a female limiting strip (223), and a female positioning groove (224). The lower part of the female connecting tube (221) is inserted and installed at the top of the instrument tube body (1). The female edge sleeve (222) is set on the upper part of the outer wall of the female connecting tube (221). There are two female limiting strips (223) and two female positioning grooves (224). The two female limiting strips (223) are respectively set on the inner walls of the two sides of the female edge sleeve (222), and the two female positioning grooves (224) are respectively opened on the top two sides of the female edge sleeve (222).

4. The instrument structure with a multi-mode interchangeable mouthpiece according to claim 1, characterized in that: Alignment marks (7) are provided on the middle of the outer walls of the covered blowhole (4), the inner U-shaped blowhole (5) and the outer cut blowhole (6). Blowhole edge grooves (8) are provided on the lower part of the outer walls of the covered blowhole (4), the inner U-shaped blowhole (5) and the outer cut blowhole (6). Blowhole limiting grooves (9) are provided on the inner walls on both sides of the three blowhole edge grooves (8).

5. The instrument structure with a multi-mode interchangeable mouthpiece according to claim 1, characterized in that: The top of the instrument tube body (1) described in the first section is connected to a first flute head (10) or a second flute head (11) via a female plug-in part (22). The bottom ends of the first flute head (10) and the second flute head (11) are both connected to a plug-in tube (12), and the lower part of the plug-in tube (12) is connected to the inside of the female plug-in part (22). A hoop (13) is provided on the lower part of the outer wall of the first flute head (10).

6. The musical instrument structure with a multi-mode interchangeable mouthpiece according to claim 3, characterized in that: The outer walls of the two middle sections of the instrument tube (1) are provided with multiple finger holes (3), the upper part of the outer wall of the four sections of the instrument tube (1) is provided with female edge grooves (14), the inner walls on both sides of the multiple female edge grooves (14) are provided with female limiting grooves (15), the upper part of the inner wall of the four sections of the instrument tube (1) is provided with connecting grooves (16), the lower part of the outer wall of the upper three sections of the instrument tube (1) is provided with male edge grooves (17), the inner walls on both sides of the multiple male edge grooves (17) are provided with male limiting grooves (18).

7. The musical instrument structure with a multi-mode interchangeable mouthpiece according to claim 6, characterized in that: The female edge groove (14) is engaged with the female edge sleeve (222), the female limiting groove (15) is engaged with the female limiting strip (223), the male edge groove (17) is engaged with the male edge sleeve (212), and the male limiting groove (18) is engaged with the male limiting strip (213).

8. The musical instrument structure with a multi-mode interchangeable mouthpiece according to claim 1, characterized in that: The instrument body (1) is made of mahogany, and the covered mouthpiece (4), inner U mouthpiece (5) and outer cut mouthpiece (6) are all made of mahogany or metal. The covered mouthpiece (4), inner U mouthpiece (5) and outer cut mouthpiece (6) can be installed on flutes, xiao, bamboo flutes or shakuhachi of a specific specification by inserting them with male and female plugs (2).

9. The musical instrument structure with a multi-mode interchangeable mouthpiece according to claim 5, characterized in that: The first flute head (10) is made of mahogany, and the second flute head (11) is made of aluminum alloy.

10. The musical instrument structure with a multi-mode interchangeable mouthpiece according to claim 3, characterized in that: The male connecting pipe (211) and the male edging sleeve (212) and the female connecting pipe (221) and the female edging sleeve (222) are both set as an integrated structure. The diameters of the male edging sleeve (212) and the female edging sleeve (222) are consistent with the inner diameter of the instrument tube (1). The diameter of the male connecting pipe (211) is consistent with the inner diameter of the female connecting pipe (221), and the inner diameters of the male connecting pipe (211) and the female connecting pipe (221) are both consistent with the inner diameter of the instrument tube (1). The materials of the male plug-in part (21) and the female plug-in part (22) are both set as metal.

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