Saxophone structure

Abstract

The utility model discloses a saxophone structure, which comprises a tube body, at least one sound key and at least one elastic reset piece, an air flow cavity is arranged in the tube body, at least one sound hole is arranged on the tube body, the plurality of sound keys are movably arranged on the tube body, and the sound keys can move between a closing position and an opening position relative to the tube body. Each elastic reset piece comprises a first end portion and a second end portion, the second end portion has elastic reset capacity relative to the first end portion, the first end portion is installed on the pipe body in a limited mode, and the second end portion is arranged on the sound key in a limited mode. The second end portion has the elastic reset capability relative to the first end portion, so that the sound keys are in the opening position when not pressed, different sound keys are pressed by fingers, the pressed sound keys are moved to the closing position, and the saxophone can give out corresponding notes. According to the saxophone structure provided by the utility model, the sound key structure is relatively simple and convenient to assemble, the production and manufacturing cost is relatively low, and the saxophone structure is convenient to maintain.

Description

TECHNICAL FIELD

[0001] The utility model relates to a musical instrument technical field especially, it relates to a saxophone structure. BACKGROUND

[0002] Saxophone is a kind of musical instrument, its tube forms a resonance cavity, and the air column in the resonance cavity is vibrated to produce sound, meanwhile, the tube is provided with a plurality of tone holes, and the tone keys corresponding to the tone holes are arranged on the tube, so that the player controls the opening or closing of the tone holes by pressing different tone keys, thereby emitting different scale sounds;

[0003] In the prior art, the structure of the tone key assembly of the saxophone is relatively complex, so the process of assembling the tone key assembly to the saxophone is relatively complex, which leads to low assembly production efficiency and high production cost of the saxophone, and the maintenance of the tone key assembly is difficult in the later period, which affects the factory benefit. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a saxophone structure, which aims to solve at least one of the technical problems in the prior art.

[0005] In order to achieve the above-mentioned purpose, the technical scheme of the utility model provides a saxophone structure, which comprises:

[0006] A tube, the inside of the tube has an airflow cavity, and the tube is provided with a tone hole, and the airflow cavity is communicated with the outside through the tone hole;

[0007] A tone key, the tone key is movably mounted on the tube, and the tone key can move relative to the tube between a closed position and an open position, in the closed position, the tone key covers and closes the tone hole, and in the open position, the tone key does not cover and close the tone hole;

[0008] A resilient reset member, the resilient reset member comprises a first end portion and a second end portion, the resilient reset member is located between the outer surface of the tube and the tone key, the first end portion is limitedly mounted on the tube, and the second end portion is limitedly arranged on the tone key, and the tone key is driven to be limited in the open position by the elastic force of the resilient reset member when the tone key is not pressed.

[0009] Further, the mounting seat is provided with a shaft rod;

[0010] Among them, a plurality of the tone keys are provided with mounting holes, the shaft rod is passed through the mounting holes, so that the tone keys are rotatably mounted on the mounting seat, the resilient reset member comprises a torsion spring body, the two ends of the torsion spring body extend outward to form the first end portion and the second end portion, and the torsion spring body is sleeved on the shaft rod.

[0011] Further, a plurality of positioning slots are arranged on the mounting seat, and a plurality of sound holes are arranged one by one in the plurality of positioning slots, and a plurality of sound keys are arranged one by one in the plurality of positioning slots, so that the sound keys are axially positioned.

[0012] Further, a plurality of sound keys are arranged on one side of the sound hole, and a receiving groove is arranged on the side of the sound hole, and the torsion spring body is arranged in the receiving groove, and the top of the second end portion abuts against the top wall of the receiving groove, and at least one limiting hole is arranged on the pipe body, and the first end portion is inserted into the corresponding limiting hole.

[0013] Further, the receiving groove comprises a first chamber and a second chamber, the torsion spring body is arranged in the first chamber, and the end of the second end portion extends into the second chamber to limit the second end portion by the two side walls of the second chamber.

[0014] Further, the pipe body comprises:

[0015] an inner pipe, and the sound hole is arranged on the side wall of the inner pipe;

[0016] a second outer pipe structure, the second outer pipe structure is mounted on the inner pipe, and a plurality of sound keys are movably mounted on the second outer pipe structure, and the second outer pipe structure is provided with not less than one through hole, and the through hole is arranged one by one with the sound hole, so that when the second outer pipe structure is mounted on the inner pipe, the through hole is communicated with the corresponding sound hole.

[0017] Further, the inner circumferential wall of the sound hole is upwardly and outwardly extended to form a protruding wall, so that when the second outer pipe structure is mounted on the inner pipe, the protruding wall can be extended from the through hole.

[0018] Further, the pipe body is provided with a thumb seat, and the thumb seat can move on the pipe body.

[0019] Further, the pipe body comprises a first outer pipe structure, the first outer pipe structure is mounted on the inner pipe to form a moving groove between the inner pipe and the first outer pipe structure, a plurality of limiting grooves are arranged on the moving groove, and an opening is further arranged on the first outer pipe structure.

[0020] The thumb seat comprises a sliding plate and a seat body, a limiting protrusion is arranged on the sliding plate, the sliding plate can move in the limiting groove, and the thumb seat is extended out of the first outer pipe structure through the opening.

[0021] Further, the pipe body further comprises a first connecting portion and a second connecting portion, the first connecting portion is used to connect a mouthpiece, and the second connecting portion is used to connect a loudspeaker pipe.

[0022] From the above technical scheme can be seen, the saxophone structure, a plurality of keys are movably mounted on the tube, the key can be relative to the tube at least in the closed position and the opening position is moved, by setting the elastic reset member on the key, by the second end relative to the first end has the elastic reset ability makes the key in not being pressed when in the opening position, the key under the opening position will not cover the closed sound hole, saxophone in the state of waiting to play, when the performer plays saxophone, by pressing the different keys with fingers, so that the pressed key is moved to the closed position, a plurality of pressed keys close cover its corresponding sound hole so that the performer blows into the saxophone, the saxophone can emit corresponding notes, when the performer plays the next note, part of the key is released, the released key returns to the opening position under the action of the elastic reset member, the key pressed by the finger is in the closed position, at this time the performer blows into the saxophone, can play the next note, the saxophone structure is set so that the key structure is relatively simple and easy to assemble, the cost of production and manufacturing is lower, and maintenance is convenient, which is beneficial to improve the factory benefit.

[0023] In order to make the technical concept and other purposes, advantages, features and effects of the utility model more clear and easy to understand, the preferred embodiments will be described in the following specific embodiments, and the detailed description will be made in the following specific embodiments, and the detailed description will be made in the following specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor according to these drawings.

[0025] Figure 1 It is a perspective view of a saxophone structure provided by the embodiment of the application.

[0026] Figure 2 It is an exploded view of a saxophone structure provided by the embodiment of the application.

[0027] Figure 3 It is an enlarged view of part of the structure provided by the embodiment of the application.

[0028] Figure 4 It is an exploded view of another view of a saxophone structure provided by the embodiment of the application.

[0029] Figure 5 It is an enlarged view of part of the structure provided by the embodiment of the application.

[0030] Figure 6 It is a structure schematic view of part of the structure provided by the embodiment of the application.

[0031] Figure 7 is an enlarged view of part of the structure provided by the embodiments of the present application;

[0032] Figure 8 is a structural schematic view of the sound key provided by the embodiments of the present application;

[0033] Figure 9 is a structural schematic view of the thumb rest provided by the embodiments of the present application;

[0034] Figure 10 is a structural schematic view of the inner tube provided by the embodiments of the present application;

[0035] Among the above drawings, the following reference signs are included:

[0036] 100, tube body; 120, sound hole; 130, mounting seat; 131, shaft rod; 132, positioning groove; 140, limiting hole; 150, inner tube; 160, second outer tube structure; 161, through hole; 170, protruding wall; 180, thumb rest; 181, sliding plate; 182, seat body; 183, limiting protrusion; 190, first outer tube structure; 191, moving groove; 192, limiting groove; 193, opening;

[0037] 200, sound key; 210, mounting hole; 220, accommodating groove; 221, first cavity; 222, second cavity;

[0038] 300, elastic reset member; 310, torsional spring body; 320, first end portion; 330, second end portion;

[0039] 400, first connecting portion;

[0040] 500, second connecting portion. DETAILED DESCRIPTION

[0041] In order for those skilled in the art to better understand the technical solutions of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0042] Please refer to Figures 1 to 10The embodiment provides a saxophone structure, and the scheme points of the saxophone structure include a tube body 100, a sound key 200 and an elastic reset member 300. The tube body 100 has an airflow cavity in the inside, and the tube body 100 is provided with sound holes 120, the airflow cavity is communicated with the outside through the sound holes 120, the sound key 200 is movably arranged on the tube body 100, the sound key 200 can be moved between a closed position and an open position relative to the tube body 100, in the closed position, the sound key 200 covers the sound holes 120, in the open position, the sound key 200 does not cover the sound holes 120, the elastic reset member 300 includes a first end portion 320 and a second end portion 330, the elastic reset member 300 is located between the outer surface of the tube body 100 and the sound key 200, the first end portion 320 is limitedly arranged on the tube body 100, and the second end portion 330 is limitedly arranged on the sound key 200, and the sound key 200 is driven to be limited in the open position by the elastic force of the elastic reset member 300 when the sound key 200 is not pressed.

[0043] According to the above description, the embodiment of the saxophone structure has the following technical effects: the multiple sound keys 200 are movably arranged on the tube body 100, the sound key 200 can be moved between the closed position and the open position relative to the tube body 100, the elastic reset member 300 is arranged on the sound key 200, the second end portion 330 has the elastic reset capability relative to the first end portion 320, so that the sound key 200 is in the open position when the sound key 200 is not pressed, the sound key 200 in the open position does not cover the sound holes 120, the saxophone is in the state of waiting for playing, when a player plays the saxophone, different sound keys 200 are pressed by fingers, so that the pressed sound keys 200 are moved to the closed position, the multiple pressed sound keys 200 cover the corresponding sound holes 120, so that the player blows air into the saxophone, the saxophone can emit corresponding notes, when the player plays the next note, part of the sound keys 200 are released, the released sound keys 200 are returned to the open position under the action of the elastic reset member 300, the sound key 200 pressed by the fingers is in the closed position, at this moment, the player blows air into the saxophone, and the next note can be played, the saxophone with the above structure has the advantages of simple structure of the sound key 200, convenient assembly, low production cost and convenient maintenance, and the factory benefit is improved.

[0044] Further, please refer to Figures 2 to 8 The tube body 100 is provided with a mounting seat 130, and the mounting seat 130 is provided with a shaft rod 131; multiple sound keys 200 are provided with mounting holes 210, the sound keys 200 are rotatably arranged on the mounting seat 130 by penetrating the shaft rod 131 through the mounting holes 210, the elastic reset member 300 includes a torsion spring body 310, the two ends of the torsion spring body 310 are outwardly extended to form the first end portion 320 and the second end portion 330, and the torsion spring body 310 is sleeved on the shaft rod 131.

[0045] Wherein, the sound key 200 is rotatably installed on the mounting seat 130 by setting the mounting seat 130 on the pipe body 100 and passing the shaft 131 on the mounting seat 130 through the mounting hole 210 of the sound key 200, the torsion spring body 310 is arranged on the shaft 131, the first end 320 is limitedly installed on the pipe body 100, and the second end 330 is limitedly arranged on the sound key 200, and the second end 330 can smoothly move the sound key 200 to the open position under the elastic force of the torsion spring body 310 when the performer releases the pressed sound key 200, so that the reset action of the sound key 200 after each operation is accurate and timely, the subsequent performance is not affected due to the failure of the sound key 200 to reset normally, the normal cycle of the state of the sound key 200 in the performance process is helped to maintain, and the coherence and accuracy of the performance are improved.

[0046] Further, please refer to Figures 2 to 4 The mounting seat 130 is provided with a plurality of positioning grooves 132, the plurality of positioning grooves 132 are arranged in one-to-one correspondence with the plurality of sound holes 120, and the plurality of sound keys 200 are arranged in one-to-one correspondence on the plurality of positioning grooves 132, so that the sound key 200 is axially positioned.

[0047] Wherein, the positioning grooves 132 arranged on the mounting seat 130 correspond to the sound holes 120 one by one, and the sound keys 200 are arranged in the positioning grooves 132 one by one, the positioning grooves 132 provide positioning for the installation of the sound keys 200 on the pipe body 100, in the assembly process of the saxophone, the worker can clearly and accurately install the sound key 200 to the predetermined position according to the positioning groove 132, so that the axial direction deviation and misplacement of the sound key 200 during installation are avoided, each sound key 200 can be accurately aligned with the corresponding sound hole 120, the precision of the instrument assembly is ensured, the production efficiency and product quality are improved, and the possibility of problems in subsequent performance caused by installation errors is reduced; in the performance process, the sound key 200 will be pressed frequently, the axial positioning effect of the positioning groove 132 on the sound key 200 can keep the sound key 200 in a relatively stable positional relationship during operation, so that the sound key 200 is prevented from sliding and shaking along the axial direction at will, and the accuracy of the closing of the sound hole 120 is ensured by the accurate position of the sound key 200.

[0048] Further, please refer to Figures 2 to 8 The side of the plurality of sound keys 200 facing the sound hole 120 is provided with a containing groove 220, the torsion spring body 310 is arranged in the containing groove 220, the top of the second end 330 abuts against the top wall of the containing groove 220, at least one limiting hole 140 is formed in the pipe body 100, and the first end 320 is inserted into the corresponding limiting hole 140.

[0049] The accommodating groove 220 provides a mounting position for the torsion spring body 310, the torsion spring body 310 mounted in the accommodating groove 220 is not prone to accidental movement, which is conducive to improving the stability of the torsion spring body 310. The first end portion 320 is inserted into the limiting hole 140 formed in the pipe body 100, so that the first end portion 320 is limitedly mounted on the pipe body 100, and the top of the second end portion 330 abuts against the top wall of the accommodating groove 220. When the player presses the tone key 200, the second end portion 330 elastically deforms, and when the player releases the tone key 200, the tone key 200 returns to the open position under the elastic action of the second end portion 330.

[0050] Further, please refer to Figures 4 to 8 The accommodating groove 220 includes a first cavity 221 and a second cavity 222, the torsion spring body 310 is arranged in the first cavity 221, and the end of the second end portion 330 extends into the second cavity 222 to limit the second end portion 330 by the two side walls of the second cavity 222.

[0051] The accommodating groove 220 is provided with the first cavity 221 and the second cavity 222, the torsion spring body 310 is arranged in the first cavity 221, and the end of the second end portion 330 extends into the second cavity 222, and the two side walls of the second cavity 222 limit the second end portion 330. Such a design makes the second end portion 330 more stably limited at the corresponding position when subjected to external force, avoids unnecessary shaking and displacement, ensures the reliability of the opening and closing action of the tone key 200, and enables the player to more accurately control the opening and closing state of the tone hole 120 when operating the tone key 200, thereby realizing accurate pitch performance.

[0052] The assembling steps of the tone key 200 are as follows: first, the torsion spring body 310 is mounted into the first cavity 221, and the orientations of the first end portion 320 and the second end portion 330 are adjusted so that the second end portion 330 enters the second cavity 222, the torsion spring body 310 is coaxially arranged with the mounting hole 210, the combined body of the torsion spring body 310 and the tone key 200 is placed on the positioning groove 132, the first end portion 320 is inserted into the limiting hole 140, and then the shaft rod 131 passes through the mounting seat 130, the mounting hole 210 and the torsion spring body 310, thereby realizing the mounting of the tone key 200.

[0053] Further, please refer to Figures 2 to 4The pipe body 100 comprises an inner pipe 150 and a second outer pipe structure 160. The sound hole 120 is arranged on one side of the inner pipe 150. The second outer pipe structure 160 is mounted on the inner pipe 150. A plurality of tone keys 200 are movably mounted on the second outer pipe structure 160. The second outer pipe structure 160 is provided with not less than one through hole 161. The through hole 161 is arranged in one-to-one correspondence with the sound hole 120. When the second outer pipe structure 160 is mounted on the inner pipe 150, the through hole 161 is in communication with the sound hole 120 arranged in correspondence.

[0054] The inner pipe 150 and the second outer pipe structure 160 are mounted and matched with each other to form a composite pipe body 100 structure. Compared with a single pipe body 100, this structure has more advantages in physical strength. In the manufacturing process, the pipe body 100 is divided into two relatively independent parts, i.e., the inner pipe 150 and the second outer pipe structure 160, for processing. This can facilitate production operation. The structure thus arranged is easy to maintain and replace parts. Maintenance personnel can conveniently disassemble, inspect and maintain, or directly replace the problematic parts, without the need to perform complex disassembly and repair operations on the entire pipe body 100, thereby reducing maintenance cost and difficulty.

[0055] Further, please refer to Figures 2 to 4 The inner peripheral wall of the sound hole 120 is upwardly and protrudingly extended to form a protruding wall 170. When the second outer pipe structure 160 is mounted on the inner pipe 150, the protruding wall 170 can protrude from the through hole 161 and abut against the end face of the tone key 200 and the end of the protruding wall 170, so as to seal the sound hole 120 by the tone key 200.

[0056] In other embodiments, a gasket is arranged on the side of the tone key 200 close to the sound hole 120 and / or the protruding wall 170 is made of a sealing material, so as to improve the sealing effect of the tone key 200 on the sound hole 120.

[0057] Further, the pipe body 100 is provided with a thumb rest 180. The thumb rest 180 can move on the pipe body 100. During the performance of a saxophone, multiple fingers often need to cooperate to operate the tone keys 200 to achieve the performance of different pitches and rhythms. The movable thumb rest 180 can help the performer to adjust the thumb to an optimal position, so that the operation of the tone keys 200 and other components is more smooth and natural.

[0058] Further, please refer to Figures 1 to 10The pipe body 100 comprises a first outer pipe structure 190, which is mounted on the inner pipe 150 to form a moving groove 191 between the inner pipe 150 and the first outer pipe structure 190, and a plurality of limiting grooves 192 are arranged on the moving groove 191, and the first outer pipe structure 190 is further provided with an opening 193, wherein the thumb seat 180 comprises a sliding plate 181 and a seat body 182, the sliding plate 181 is provided with a limiting protrusion 183, the sliding plate 181 can move in the limiting groove 192, and the thumb seat 180 extends out of the first outer pipe structure 190 through the opening 193.

[0059] The thumb seat 180 can move on the pipe body 100 by sliding the sliding plate 181 in the moving groove 191, so that the position of the seat body 182 is changed, which enables the player to flexibly adjust the position of the thumb seat 180 according to the size of the hand, the holding habit and the specific performance requirements, and the limiting protrusion 183 can be clamped into the limiting groove 192, so that the thumb seat 180 is not easy to slide accidentally during normal use, which affects the stability of the hand holding.

[0060] Further, please refer to Figures 1 to 10 The pipe body 100 further comprises a first connecting part 400 and a second connecting part 500, the first connecting part 400 is used to connect the mouthpiece, and the second connecting part 500 is used to connect the loudspeaker pipe.

[0061] The connection mode of the first connecting part 400 and the mouthpiece and the connection mode of the second connecting part 500 and the loudspeaker pipe are installed together by at least one of snap fit, engagement fit, extrusion fit and friction fit, and the materials, shapes and structures of the mouthpiece and the loudspeaker pipe are all prior art and will not be described in detail here.

[0062] It should be noted that the embodiment mainly describes the structural innovation points in detail, and the rest of the specific structure and performance of the saxophone are all prior art, which will not be described here.

[0063] From the above description, it can be seen that the above-mentioned embodiments of the utility model realize the following technical effects: the plurality of sound keys 200 are movably installed on the pipe body 100, the sound key 200 can move relative to the pipe body 100 at least in the closed position and the open position, by setting the elastic reset member 300 on the sound key 200, by the elastic reset ability of the second end 330 relative to the first end 320, the sound key 200 is in the open position when not being pressed, the sound key 200 in the open position does not cover the closed sound hole 120, the saxophone is in the state of waiting to be played, when the performer plays the saxophone, different sound keys 200 are pressed by fingers, so that the pressed sound key 200 moves to the closed position, the plurality of pressed sound keys 200 close and cover the corresponding sound hole 120, so that when the performer blows into the saxophone, the saxophone can emit the corresponding notes, when the performer plays the next note, part of the sound keys 200 are released, the released sound key 200 returns to the open position under the action of the elastic reset member 300, the sound key 200 pressed by the fingers is in the closed position, at this time, the performer blows into the saxophone, and the next note can be played, the saxophone structure arranged in this way has simple sound key 200 structure and is convenient to assemble, the production and manufacturing cost is lower, and maintenance is convenient, which is beneficial to improve the factory benefit.

[0064] It is to be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.

[0065] The relative arrangement of parts and steps, numerical expressions, and numerical values set forth in the examples are not meant to limit the scope of the present application unless otherwise specifically stated. It is to be understood that the drawings shown in the figures are not drawn to scale for ease of illustration and discussion. Techniques, methods, and devices known to those of ordinary skill in the relevant art can not be discussed in detail herein. However, in appropriate cases, references can be made to the techniques, methods, and devices as part of the description of the application. In all examples shown and discussed herein, any specific value is to be interpreted as merely exemplary and not as a limitation. Thus, other examples of the example embodiments can have different values. It is noted that like numbers and letters refer to like elements throughout the several views of the drawings and, as such, no further discussion on such elements is needed.

[0066] In addition, if the description of "first", "second" and the like is involved in the embodiments of the present application, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist, nor within the protection scope required by the present application.

[0067] The above is the preferred embodiment of the present application, it should be pointed out that, for those skilled in the art, without departing from the principles of the present application, under the premise of, can make a number of improvements and refinements, these improvements and refinements also as the protection scope of the present application.

Claims

1. A saxophone structure, characterized by, The utility model relates to a kind of sound tube, including: Pipe body (100), the inside of the pipe body (100) has airflow cavity, sound hole (120) is provided on the pipe body (100), the airflow cavity is communicated with outside by the sound hole (120); Sound key (200), the sound key (200) is movably installed on the pipe body (100), the sound key (200) can be moved between closed position and open position relative to the pipe body (100), in closed position, the sound key (200) covers and closes the sound hole (120), in open position, the sound key (200) does not cover and close the sound hole (120); Elastic reset member (300), the elastic reset member (300) includes first end (320) and second end (330), the elastic reset member (300) is located between the outer surface of the pipe body (100) and the sound key (200), and the first end (320) is limitedly installed on the pipe body (100), the second end (330) is limitedly arranged on the sound key (200), when the sound key (200) is not pressed, the sound key (200) is driven to be limited in open position by the elastic force of the elastic reset member (300).

2. The saxophone structure of claim 1, wherein, The mounting seat (130) is provided on the pipe body (100), and the shaft rod (131) is provided on the mounting seat (130); Wherein, the mounting hole (210) is provided on the plurality of sound keys (200), the shaft rod (131) is passed through the mounting hole (210), so that the sound key (200) is rotatably mounted on the mounting seat (130), the elastic reset member (300) includes torsion spring body (310), the two ends of the torsion spring body (310) extend outward to form first end (320) and second end (330) respectively, and the torsion spring body (310) is sleeved on the shaft rod (131).

3. The saxophone structure of claim 2, wherein, The mounting seat (130) is provided with a plurality of positioning grooves (132), and the plurality of positioning grooves (132) are provided in one-to-one correspondence with the plurality of sound holes (120), and the plurality of sound keys (200) are provided on the plurality of positioning grooves (132) in one-to-one correspondence, so that the sound key (200) is axially positioned.

4. The saxophone structure of claim 2, wherein, The side of the plurality of sound keys (200) towards the sound hole (120) is provided with a containing groove (220), the torsion spring body (310) is arranged in the containing groove (220), the top of the second end (330) abuts against the top wall of the containing groove (220), and at least one limiting hole (140) is formed in the pipe body (100), and the first end (320) is inserted into the corresponding limiting hole (140).

5. The saxophone structure of claim 4, wherein, The accommodating groove (220) comprises a first chamber (221) and a second chamber (222) in communication, the torsion spring body (310) is arranged in the first chamber (221), and the second end (330) extends into the second chamber (222) to be limited by two side walls of the second chamber (222).

6. The saxophone structure according to any one of claims 1 to 4, wherein The pipe body (100) comprises: An inner pipe (150), and the sound hole (120) is arranged on the side wall of the inner pipe (150); A second outer pipe structure (160) is arranged on the inner pipe (150), a plurality of sound keys (200) are movably arranged on the second outer pipe structure (160), and the second outer pipe structure (160) is provided with not less than one through hole (161), the through hole (161) and the sound hole (120) are arranged in one-to-one correspondence, and when the second outer pipe structure (160) is arranged on the inner pipe (150), the through hole (161) is in communication with the sound hole (120) arranged in correspondence.

7. The saxophone structure of claim 6, wherein, The inner circumferential wall of the sound hole (120) is upwardly and protrudingly extended to form a protruding wall (170), so that the protruding wall (170) can protrude from the through hole (161) when the second outer pipe structure (160) is arranged on the inner pipe (150).

8. The saxophone structure of claim 6, wherein, The pipe body (100) is provided with a thumb seat (180), and the thumb seat (180) can move on the pipe body (100).

9. The saxophone structure of claim 8, wherein, The pipe body (100) comprises a first outer pipe structure (190), the first outer pipe structure (190) is arranged on the inner pipe (150) to form a moving groove (191) between the inner pipe (150) and the first outer pipe structure (190), a plurality of limiting grooves (192) are arranged on the moving groove (191), and the first outer pipe structure (190) is further provided with an opening (193); The thumb seat (180) comprises a sliding plate (181) and a seat body (182), the sliding plate (181) is provided with a limiting protrusion (183), the sliding plate (181) can move in the limiting groove (192), and the thumb seat (180) extends out of the first outer pipe structure (190) through the opening (193).

10. The saxophone structure according to any one of claims 1 to 4, wherein The pipe body (100) further comprises a first connecting portion (400) and a second connecting portion (500), the first connecting portion (400) is used for connecting a blowing nozzle, and the second connecting portion (500) is used for connecting a loudspeaker pipe.

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