TWI727862B - Mouthpiece - Google Patents

Abstract

A mouthpiece is provided, including a main body and a plurality of air passageways. The air passageways are disposed on the main body. Each of the air passageways has a first passageway and a second passageway. An extension path of the first passageway is different to an extension path of the second passageway.

Description

Mouth structure

The present invention is related to the structure of a musical instrument, in particular to a mouthpiece structure.

The mouthpiece is the sound source of many musical instruments, such as saxophone, clarinet, recorder, etc., and it is one of the important components of musical instruments. The mouthpiece affects the sound quality and timbre of the blowing, and is also closely related to the smoothness of the blowing process. Different structural designs can give the player a completely different blowing experience, especially when the beginners are not skilled enough. Will greatly affect its performance.

However, most of the mouthpieces are of a fixed type, so when performing blowing, the current requirement is to improve the abilities of the flute, rather than assisting different flutes to play, making it impossible for many flutes to enjoy the wind instrument. It’s a shame to have fun.

Therefore, it is necessary to provide a novel and progressive mouthpiece structure to solve the above-mentioned problems.

The main purpose of the present invention is to provide a mouthpiece structure that can guide the flow direction of the blow-in airflow, so that the piper can play with less effort and have a good pronunciation.

To achieve the above objective, the present invention provides a mouthpiece structure, which includes a body and a plurality of first air flow channels. The body extends along an X axis. The body includes an inner wall and an airflow channel extending along the X axis. The inner wall defines the airflow channel. One end of the airflow channel is defined as a blowing end and the other end is defined It is an air outlet, and a first wall portion of the inner wall is located at the air blowing end. Each of the first air flow channels is recessed in the first wall portion extending from the blowing end toward the air outlet, viewed along a Y axis, and the plurality of first air flow channels are along a Z axis. The X-axis, the Y-axis, and the Z-axis are perpendicular to each other. Each of the first air flow channels includes a first guide groove and a second guide groove that are connected to each other. The second guide groove extends The path is different from the extension path of the first guide groove. The maximum distance between the two first guide grooves that are the furthest apart on the Z axis is defined as a first dimension, and the two second guide grooves that are the furthest apart on the Z axis The maximum distance between the guide grooves is defined as a second size, and the second size is different from the first size.

1: body

13: inner wall

131: The first wall

132,132A: block

133: Second Wall

14: Transom

15: Side rail

16,16A: Centerline

2: Airflow channel

21: Blow end

22: exhaling end

3,3A: The first air flow path

31, 31A: First guide groove

32, 32A: second guide groove

4: The second air flow channel

41: Third guide groove

42: The fourth guide groove

43: Fifth guide groove

5: Reed

6: mouthpiece

71, 71A: The first size

72, 72A: second size

Fig. 1 is a perspective view of an embodiment of the present invention.

Figure 2 is a partial enlarged view of the first wall viewed through a transom along the Y axis.

Fig. 3 is an enlarged perspective view of a partial cross-section of the inside of the main body viewed from an oblique angle of the opening of the transom.

Figure 4 is a partial cross-sectional view of the main body viewed along the Z axis.

5 is a partial enlarged view of the first wall portion viewed through a transom along the Y axis according to another embodiment of the present invention.

The following examples are only used to illustrate the possible implementation aspects of the present invention, but they are not intended to limit the scope of protection of the present invention, and are described first.

Please refer to FIG. 1 and FIG. 4, which show an embodiment of the present invention. The mouthpiece structure of the present invention includes: a body 1 and a plurality of first air flow channels 3.

The main body 1 extends along an X axis. The main body 1 includes an inner wall 13 and an airflow channel 2 extending along the X axis. The inner wall 13 defines the airflow channel 2, and one end of the airflow channel 2 is defined as an The air blowing end 21 and the other end are defined as an air outlet 22, and a first wall portion 131 of the inner wall 13 is located at the air blowing end 21 to smoothly receive the air entering from the air blowing end 21. In this embodiment, the first wall portion 131 extends in an inclined plane, so that high notes can be played more easily.

Each of the first air flow channels 3 is recessed in the first wall portion 131 extending from the blowing end 21 toward the outlet end 22 to guide the gas entering from the blowing end 21 to flow in a specific path; Wherein, as shown in Fig. 2, along a Y-axis view (direction perpendicular to the paper surface), the plurality of first air flow channels 3 are arranged at intervals along a Z-axis, and the X-axis, the Y-axis and the Z-axis are two Two are perpendicular to each other, each of the first air guide channels 3 includes a first guide groove 31 and a second guide groove 32 that are connected to each other, and the extension path of the second guide groove 32 is different from that of the first guide groove 31 Path, and the maximum distance between the two first guide grooves 31 furthest apart on the Z axis is defined as a first dimension 71, and the maximum distance between the two second guide grooves 32 furthest apart on the Z axis It is defined as a second size 72 which is different from the first size 71. In this embodiment, the first guide groove 31 and the second guide groove 32 respectively extend linearly, and the second guide groove 32 diagonally communicates with the first guide groove 31.

Please refer to Figures 1 and 4, the mouthpiece structure further includes a reed 5, the body 1 is provided with a louver 14, the opening direction of the louver 14 is toward the Y axis, and the louver 14 communicates with the air flow channel 2. As shown in FIG. 1, the first wall 131 is exposed within the opening range of the transom 14. The user can clearly see the direction of the plurality of first air flow channels 3 through the transom 14 for quick selection The required type. As shown in FIG. 4, the reed 5 is positioned on the body to cover the louver 14, and the reed 5 and the first wall portion 131 jointly define a mouthpiece 6 at the blowing end 21, and the mouthpiece 6 communicates with each other. The airflow channel 2, the player’s The upper and lower lips can lightly bite the first component 11 and the reed 5, and then blow air into the air flow channel 2 through the mouthpiece 6.

As shown in Figures 2 and 3, the main body 1 includes a side rail 15 connected to a side of the first wall away from the air outlet 22, and the plurality of first air flow channels 3 are from the side The rail 15 extends toward the air outlet 22. As shown in FIG. 4, the plurality of first air flow channels 3 can immediately receive and guide the air entering from the mouthpiece 6, and can quickly and clearly achieve the effect of controlling the air flow.

Preferably, as shown in FIG. 2, the main body 1 extends in a symmetrical configuration with a midline 16 as an axis. Viewed along the Y axis, the midline 16 divides the first wall portion 131 into two symmetrically. Block 132, the plurality of first air flow channels 3 are arranged in the two blocks 132 with the center line 16 as the axis of symmetry, so as to ensure that the sound can be played more accurately and stably, without whistle sound Or muffled sounds that are difficult to predict and control.

In this embodiment, as shown in FIG. 2, the plurality of second guide grooves 32 located in the two blocks 132 are obliquely approached toward the center line 16, so the first size 71 is larger than the second size 72 , So that the plurality of first air guide channels 3 have the function of guiding the gas entering from the mouthpiece 6 to collect.

Specifically, the gas concentrated through the plurality of first air flow channels 3 can flow with ample power, so that the player can produce a fuller and more rounded tone with a smaller blowing force, and a small lung capacity to play. People can easily and quickly control the instruments they play. In addition, when the gas flows along the plurality of first air flow channels 3, the resistance to the gas flow is small, and the player can fully feel the blowing smoothly, and it is easy to control the treble and bass changes. In addition, through actual tests, when the ratio of the first size 71 to the second size 72 is between 2.5 and 4.5, a better effort-saving effect can be achieved. More specifically, the length of the second guide groove 32 is greater than the length of the first guide groove 31, so as to have a larger margin to change the direction of the gas in the groove, so as to achieve the purpose of controlling the gas flow. Implemented in this In an example, the ratio of the length of the first guide groove 31 projected to the center line 16 to the length of the second guide groove 32 projected to the center line 16 is between 0.35 and 0.55.

Of course, according to different requirements, as shown in another embodiment of FIG. 5, the second size 72A is larger than the first size 71A, and the first guide grooves 31A of the plurality of first air flow channels 3A located in the second block 132A It extends away from the center line 16A, and the second guide grooves 32A of the plurality of first air flow channels 3A also extend away from the center line 16A to evenly disperse the blown airflow so that the airflow can flow through the two The block 132A is for a more stable and even pronunciation; wherein, the ratio of the second size 72A to the first size 71A is preferably between 1.2 and 2.

Please further refer to the embodiment shown in FIGS. 1 to 3, the mouthpiece structure further includes a plurality of second air flow channels 4, as can be seen in FIG. 2, the plurality of second air flow channels 4 are based on the The center line 16 is arranged on the two blocks 132 with a symmetrical axis. Each of the second air flow channels 4 includes a third guide groove 41 and a fourth guide groove 42 that are connected to each other. Viewed along the Y axis, the The third guide grooves 41 of the plurality of second air guide channels 4 and the first guide grooves 31 of the plurality of first air guide channels 3 are arranged at intervals in the direction of the Z-axis, and the second guide grooves in the same block 132 The fourth guide groove 42 of the air flow channel 4 is connected to the plurality of second guide grooves 32 of the first air flow channel 3. In other words, the fourth guide groove 42 can achieve the effect of confluence and common exhaust, so that the gas is more concentrated and the flow velocity is higher. fast.

In this embodiment, as shown in FIG. 2, the number of the plurality of second air flow channels 4 is two, the second air flow channels 4 are symmetrically divided into the two blocks 132, and the second air flow channels 4 4 is located between the plurality of first air flow channels 3. In addition, in the direction of the Z axis, the minimum distance between the two second air flow channels 4 and the third guide groove 41 is greater than the maximum distance between the two second air flow channels 4 and the fourth guide groove 42. In addition, the two fourth guide grooves 42 extend parallel to the center line 16 to ensure that the air flow moves along the direction of the center line 16 to achieve a uniform flow.

In detail, as shown in FIG. 2, in the direction of the Z axis, a plurality of the first guide grooves 31 are arranged at equal intervals, and the distance between two adjacent first guide grooves 31 in the direction of the Z axis is equal The distance between the third guide groove 41 and the adjacent first guide groove 31 in the direction of the Z axis is to evenly receive the gas entering from the mouthpiece 6. In more detail, each of the second air guide channels 4 further includes a fifth guide groove 43, and the fifth guide groove 43 is connected between the third guide groove 41 and the fourth guide groove 42; The third guide groove 41 of the block 132 is parallel to the first guide groove 31, and the fifth guide groove 43 is parallel to the second guide groove 32, so that the gas flow has the same flow path in the early stage, so as to facilitate the later stage The four guide grooves 42 are collected and discharged.

As shown in Figures 1, 3 and 4, it can be understood that the inner wall 13 further includes a second wall portion 133 which is diagonally connected to the reed 5 in a direction away from the reed 5 The first wall portion 131, and the plurality of first air flow channels 3 and the plurality of second air flow channels 4 extend to the arc connecting the first wall portion 131 and the second wall portion 133 to guide as much as possible The gas flows more deeply and there is less resistance in the process.

In summary, the mouthpiece structure of the present invention can effectively guide the flow direction of the blown gas through the plurality of first air flow channels, and the different directions of the first air flow channels can assist the player's needs. In addition, the second air flow channel is used to consolidate the first air flow channel to strengthen the air flow direction, so as to achieve the effect of saving effort.

1: body

131: The first wall

14: Transom

21: Blow end

22: exhaling end

3: The first air flow channel

4: The second air flow channel

Claims (10)

A blowing nozzle structure includes: a body extending along an X axis, including an inner wall and an air flow channel extending along the X axis, the inner wall surrounds the air flow channel, and one end of the air flow channel is defined as a blowing The air end and the other end are defined as an air outlet, one of the first walls of the inner wall is located at the air blowing end; and a plurality of first air flow channels, each of the first air guiding channels is directed from the air blowing end to the air outlet The direction of the end is extended and recessed on the first wall, viewed along a Y axis, the plurality of first air flow channels are arranged at intervals along a Z axis, the X axis, the Y axis and the Z axis are arranged in pairs Perpendicular to each other, each of the first air guide channels includes a first guide groove and a second guide groove that are communicated with each other, the extension path of the second guide groove is different from the extension path of the first guide groove, and is on the Z axis The maximum distance between the two first guide grooves that are the farthest apart on the Z axis is defined as a first dimension, and the maximum distance between the two second guide grooves that are the furthest apart on the Z axis is defined as a second dimension. It is different from the first size. The mouthpiece structure according to claim 1, further comprising a reed, the body is provided with a louver, the opening direction of the louver is toward the Y axis, the louver is connected to the air flow channel, and the first wall is exposed Within the opening range of the louver, the reed is positioned on the body to cover the louver, and the reed and the first wall portion jointly define a mouthpiece at the blowing end, and the mouthpiece communicates with the airflow channel. The mouthpiece structure according to claim 2, wherein the main body includes a side rail connected to a side of the first wall part away from the air outlet end, and the plurality of first air flow passages are directed from the side rail The outlet end extends. The mouthpiece structure according to claim 1, wherein the system extends in a symmetrical configuration with a midline as an axis, and viewed along the Y axis, the midline divides the first wall into two symmetrical blocks , The plurality of first air flow channels are arranged in the two blocks with the center line as the axis of symmetry. The mouthpiece structure according to claim 4, further comprising a plurality of second air flow channels, the plurality of second air flow channels are arranged in the two blocks with the center line as a symmetry axis, and each of the second air flow channels The channel includes a connected third guide groove and a fourth guide groove, viewed along the Y axis, the third guide groove of the plurality of second air flow channels and the first guide groove of the plurality of first air flow channels The fourth guide grooves of the second air flow passages located in the same block are arranged at intervals in the direction of the Z axis, and the second guide grooves of the first air flow passages are connected to the second guide grooves of the first air flow passages. The mouthpiece structure according to claim 5, wherein the number of the plurality of second air flow channels is two, and the two second air flow channels are symmetrically divided into the two blocks, and in the direction of the Z axis, two The minimum distance between the second and third guide grooves of the second air flow path is greater than the maximum distance between the second and fourth guide grooves of the second air flow path. The mouthpiece structure according to claim 6, wherein the two fourth guide grooves extend parallel to the center line. The mouthpiece structure according to claim 7, wherein each of the second air flow passages further includes a fifth guide groove, and the fifth guide groove is connected between the third guide groove and the fourth guide groove; wherein, The third guide groove in the same block is parallel to the first guide groove, and the fifth guide groove is parallel to the second guide groove. The mouthpiece structure according to any one of claims 1 to 8, wherein the first size is larger than the second size, and the ratio of the first size to the second size is between 2.5 and 4.5. The mouthpiece structure according to claim 8, further comprising a reed, the body is provided with a louver, the opening direction of the louver is toward the Y axis, the louver is connected to the airflow channel, and the first wall is exposed Within the opening range of the louver, the reed is positioned on the main body to cover the louver, and the reed and the first wall portion jointly define a mouthpiece at the blowing end, and the mouthpiece communicates with the airflow channel; the body It also includes a side rail, the side rail is connected to a side of the first wall away from the air outlet, and the plurality of first An air flow channel extends from the side rail toward the air outlet; the first size is larger than the second size, and the ratio of the first size to the second size is between 2.5 and 4.5; the inner wall further includes There is a second wall portion, the second wall portion is obliquely connected to the first wall portion in a direction away from the reed, and the plurality of first air flow channels and the plurality of second air flow channels extend to the first wall portion At the curved arc connected to the second wall; the length of the second guide groove is greater than the length of the first guide groove; in the direction of the Z axis, a plurality of the first guide grooves are arranged at equal intervals and are adjacent to each other The distance between the first guide groove in the Z-axis direction is equal to the distance between the third guide groove and the adjacent first guide groove in the Z-axis direction; Between the first air flow channel; the ratio of the length of the first guide groove projected to the center line to the length of the second guide groove projected to the center line is between 0.35 to 0.55; located in the second block The plurality of second guide grooves in the inner part are obliquely approached toward the center line; the first guide groove and the second guide groove respectively extend linearly, and the second guide groove diagonally communicates with the first guide groove.

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