CN212365470U - Sheng pipe - Google Patents

Abstract

The utility model discloses a sheng pipe, belonging to the technical field of musical instruments, comprising a seedling pipe, wherein the seedling pipe is provided with a sound window hole, a key is hinged at the outer side of the seedling pipe, and a sound window cover is arranged at the side surface of the key corresponding to the position of the sound window hole; the method is characterized in that: the sound window inner sleeve is hermetically arranged in the sound window hole; the sound window inner sleeve comprises a sealing connection section with the same shape as the sound window hole, a sound window cover attaching section and an annular limiting table positioned between the sealing connection section and the sound window cover attaching section, wherein the height of the sealing connection section is greater than that of the sound window cover attaching section; and the outer end surface of the sound window cover attaching section is attached to the inner side surface of the sound window cover in a sealing manner. The combination has the advantages of low noise, long service life, good sealing effect, no influence from bamboo flute specification, easy standardized mass production, etc.

Description

Sheng pipe

Technical Field

The utility model belongs to the technical field of sheng, especially, relate to a leak protection gas, reduce to take place great slamming and cause sheng seedling because of the sound window lid falls back.

Background

Sheng is one of the oldest wind instruments in China, belongs to the wind hole reed instrument class in the reed instrument family, and is the noser of most reed instruments existing in the world. The sheng generally consists of a mouthpiece, a sheng bucket (i.e. a sheng base connected with the mouthpiece and used as an air chamber), a sheng reed (installed at the lower end of the sheng seedling and located in the sheng bucket and used as a vibration source to drive the gas in the sheng seedling to vibrate), a sheng seedling (many bamboo tubes or copper tubes with different lengths, in which the gas can vibrate to generate musical tones), etc., wherein a player blows the gas into the sheng bucket through the mouthpiece, and sounds by covering the holes (traditional type) on the sheng seedling with hands or opening the tone holes (button type) on the sheng seedling with buttons (metal material). The button-shaped sheng is also covered with a sound-amplifying tube to enhance the sound.

At present, the sheng pipe with keys is generally provided with a sound window hole at the upper end of the seedling pipe, the hole is communicated with the inner cavity of the seedling pipe, a sheng spring mounting hole is arranged at the lower end of the seedling pipe for mounting the sheng spring, the keys are mounted on the side surface of the seedling pipe, one end of each key is a sound window cover for covering the sound window hole, the other end of each key is a hand touch handle for applying force by the keys, and the keys are hinged on the side surface of the seedling pipe. The following problems exist in the practical application process: when the key is long, the hand touch handle one end can make the window lid of the other end lift the range higher after pressing down, because the window lid is great with the contact surface of sound hole, can take place the great impact of sound with the sound window hole when the window lid falls back, this kind of impact can produce certain interference as the noise, especially can produce the annoyance to player's performance mood, for this the utility model relates to a reduce because of the window lid falls back and takes place great slamming and cause the sheng yang seedling of interference.

SUMMERY OF THE UTILITY MODEL

To the problem that prior art exists, the utility model provides a leak protection gas, reduction take place great slamming and cause the sheng pipe of interference because of the sound window lid falls back.

The utility model is realized in such a way, a sheng pipe comprises a seedling pipe, wherein the seedling pipe is provided with a sound window hole, a key is hinged at the outer side of the seedling pipe, and a sound window cover is arranged at the side surface of the key corresponding to the position of the sound window hole; the method is characterized in that: the sound window inner sleeve is hermetically arranged in the sound window hole; the sound window inner sleeve comprises a sealing connection section with the same shape as the sound window hole, a sound window cover attaching section and an annular limiting table positioned between the sealing connection section and the sound window cover attaching section, wherein the height of the sealing connection section is greater than that of the sound window cover attaching section; and the outer end surface of the sound window cover attaching section is attached to the inner side surface of the sound window cover in a sealing manner.

According to the technical scheme, the sealing connecting section extends into the seedling tube, and the sealing connecting section extending-in section is provided with the concave notch along the axis direction of the seedling tube.

Preferably, the sound window cover is made of a metal copper material.

According to the preferable technical scheme, the wall thickness of the inner sleeve of the sound window is 0.5-1 mm.

Preferably, the inner surface of the sound window cover is provided with a sealing groove.

The utility model has the advantages and technological effect: by adopting the technical scheme, the large impact of the sound generated by the existing sound window cover and the sound window hole when the sound window cover falls back due to the large contact surface of the sound window cover and the sound window hole is avoided, the interference on the sound effect is reduced, and particularly the playing emotion of a player is disturbed.

Drawings

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is an enlarged view of section I of FIG. 1;

FIG. 3 is an enlarged view of section II of FIG. 2;

FIG. 4 is a schematic view of the inner sleeve structure of the sound window;

FIG. 5 is a schematic view showing the inner sleeve structure of the acoustic window in embodiment 2;

in the figure, 1, seedling tube; 1-1, sound window holes; 2. pressing a key; 2-1, a sound window cover; 2-2, sealing the groove; 3. an inner sleeve of the sound window; 3-1, sealing the connecting section; 3-2, a sound window cover attaching section; 3-3, an annular limiting table; 3-4, concave gap.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Embodiment 1, please refer to fig. 1 to 4, a sheng pipe, comprising a seedling pipe 1, wherein a sound window hole 1-1 is formed on the seedling pipe, a key 2 hinged at the outer side of the seedling pipe, and a sound window cover 2-1 is installed at the side surface of the key corresponding to the sound window hole; the sound window inner sleeve 3 is hermetically arranged in the sound window hole; the sound window inner sleeve comprises a sealing connection section 3-1 with the same shape as the sound window hole, a sound window cover attaching section 3-2 and an annular limiting table 3-3 positioned between the sealing connection section and the sound window cover attaching section; the sealing connecting section 3-1 is inserted into the sound window hole of the seedling tube and is in sealing connection with the inner wall of the sound window hole through an adhesive; the sound window cover attaching section 3-2 is used for realizing air closing and ventilation by matching with the sound window cover; compared with the existing sound window cover which is contacted with the end face of the sound window hole, the contact area is greatly reduced, so that larger impact caused by falling back of the sound window cover is reduced, and the impact as noise is prevented from disturbing the playing mood of a player; in addition, the structure is not influenced by naturally-growing bamboo joint seedling pipes, and the sound window inner sleeve can realize the unified standard of sound window holes and sound window covers of different seedling pipes so as to meet the batch production of Sheng seedlings; the annular limiting table 3-3 plays a limiting role, effectively avoids the problem that the sound window inner sleeve slides into the seedling tube due to the impact of the sound window cover and the sound window inner sleeve when the sheng-sheng is suitable for a long time, further prolongs the service life of the sheng-sheng, and simultaneously fills the sealant at the matching part of the seedling tube and the sound window inner sleeve to prevent air leakage; the height of the sealing connection section is greater than that of the sound window cover attaching section; wherein the height of the sealing connecting section is not less than the thickness of the single wall of the seedling tube, and the height of the sound window cover matching section is generally 2-5 mm; and the outer end surface of the sound window cover attaching section is attached to the inner side surface of the sound window cover in a sealing manner.

Preferably, in the above technical solution, the sound window cover is made of a metal copper material, but is not limited thereto, and may also be made of a material such as stainless steel.

According to the preferable technical scheme, the wall thickness of the inner sleeve of the sound window is 0.5-1 mm.

Preferably, the inner surface of the sound window cover is provided with a sealing groove 2-2, and the purpose of the groove is favorable for realizing sealing; the sealing groove can be prefabricated, and also can be a groove formed by attaching a layer of flexible silica gel on the inner surface of the sound window cover and matching the key with the sound window cover under the action of the spring.

In the embodiment 2, referring to fig. 5, when the sealing connection section extends into the seedling tube, in order to reduce the air resistance of the inner sleeve of the sound window to the inner cavity of the seedling tube, concave notches 3-4 are arranged on the sealing connection section extending section along the axial direction of the seedling tube, and the rest of the structure is the same as that of the embodiment 1.

By adopting the technical scheme, the large impact of the sound generated by the existing sound window cover and the sound window hole when the sound window cover falls back due to the large contact surface of the sound window cover and the sound window hole is avoided, the interference on the sound effect is reduced, and particularly the playing emotion of a player is disturbed.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (5)

1. A Sheng seedling comprises a seedling pipe, wherein a sound window hole is formed in the seedling pipe, a key is hinged to the outer side of the seedling pipe, and a sound window cover is installed on the side face of the key corresponding to the sound window hole; the method is characterized in that: the sound window inner sleeve is hermetically arranged in the sound window hole; the sound window inner sleeve comprises a sealing connection section with the same shape as the sound window hole, a sound window cover attaching section and an annular limiting table positioned between the sealing connection section and the sound window cover attaching section, wherein the height of the sealing connection section is greater than that of the sound window cover attaching section; and the outer end surface of the sound window cover attaching section is attached to the inner side surface of the sound window cover in a sealing manner.

2. Sheng, according to claim 1, characterized in that: the sealing connecting section extends into the seedling tube, and a concave notch is formed in the sealing connecting section extending-in section along the axis direction of the seedling tube.

3. Sheng, according to claim 1, characterized in that: the sound window cover is made of metal copper materials.

4. Sheng, according to claim 1, characterized in that: the wall thickness of the sound window inner sleeve is 0.5-1 mm.

5. Sheng, according to claim 1, characterized in that: and a sealing groove is formed in the inner surface of the sound window cover.

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