Novel sound amplifying device for outpatient service

Abstract

The novel sound amplifying device comprises an ear ring and a sound amplifying long conduit, one end of the sound amplifying long conduit is connected with a connector through a sound amplifying connecting plug, the other end of the sound amplifying long conduit is connected with a three-way connector, a sleeve is installed on the sound amplifying long conduit, and a nameplate is arranged on one side of the sleeve. Information of an owner can be recorded through the nameplate, loss in the using process is avoided, and the other end of the three-way connector is symmetrically connected with two earrings; according to the stethoscope with the multi-stethoscope-head structure, when a medical worker uses the stethoscope to diagnose and auscultate a patient, the stethoscope can be selected according to the illness type of the patient, and the stethoscope can be used for auscultating high-tone noise or low-tone noise by using different types of stethoscope heads; the stethoscope can be used according to different diseases of patients, different types of stethoscopes or stethoscope heads on the stethoscopes do not need to be replaced, and therefore the practicability and functionality of the stethoscope are improved.

Description

Technical Field

[0001] The invention belongs to the technical field of sound amplification devices, and in particular relates to a novel sound amplification device for outpatient clinics. Background Art

[0002] An amplified stethoscope is a special stethoscope that is designed to enhance and amplify the sounds inside the human body, allowing doctors to hear the sounds inside the patient's body more clearly and make a more accurate diagnosis. The working principle of an amplified stethoscope is based on the principle of acoustics. It uses an acoustic sensor to capture the sound vibrations inside the human body. When the resonant membrane is affected by sound waves, it produces tiny vibrations, which are then converted into electrical signals by the receiver. After being amplified, these electrical signals are transmitted to the doctor through headphones or loudspeakers, allowing the doctor to clearly hear the sounds inside the patient's body.

[0003] Patent application number 202222597371.5 discloses a stethoscope loudspeaker, which can receive sound through the stethoscope head and guide the sound into the sound guide tube to be received by the micro-microphone during use. The controller processes the electrical signal and plays it through the loudspeaker. The sound generated by the loudspeaker only needs to pass through part of the sound guide tube and the connecting tube to reach the ear hook, reducing the possibility of the sound being affected by the external environment. In combination with the above application, and compared with the existing outpatient sound amplification stethoscope device, when the existing sound amplification stethoscope device is used to treat patients When diagnosing and treating patients, the commonly used stethoscopes have only one type of stethoscope head. For example, the bell-shaped stethoscope head is suitable for auscultating low-pitched high murmurs, and the flat stethoscope head is suitable for auscultating high-pitched murmurs and large and small dual functions. The effect of one type of stethoscope head when auscultating different types of sounds will be affected to a certain extent. Since different patients show different symptoms, medical workers need to replace different types of stethoscope heads or stethoscopes according to different patients when using them. The replacement is cumbersome and will affect the efficiency of diagnosis and treatment, thereby affecting the practicality and functionality of the device. For this reason, a new type of outpatient sound amplification device is proposed. Summary of the invention

[0004] The purpose of the present invention is to provide a new type of outpatient sound amplification device to solve the problem raised in the above background technology. Compared with the existing outpatient sound amplification and auscultation devices, when the existing sound amplification and auscultation devices are used to diagnose and treat patients, the commonly used stethoscopes have only one type of stethoscope head. For example, the bell-shaped stethoscope head is suitable for auscultating low-pitched high noises, and the flat stethoscope head is suitable for auscultating high-pitched noises and large and small dual functions. The effect of one type of stethoscope head will be affected to a certain extent when auscultating different types of sounds. Since different patients show different symptoms, medical workers need to replace different types of stethoscope heads or stethoscopes according to different patients when using them. The replacement is cumbersome and will also affect the efficiency of diagnosis and treatment, thereby affecting the practicality and functionality of the device.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a new type of sound amplification device for outpatient use, comprising earrings and a long sound amplification conduit; Sound amplification components; flat sound amplification listening head and bell-shaped sound amplification listening head; Connector; the connector is used to connect the sound guide component and the sound amplification component, and the connector also includes a rotational upper seat and a rotational lower seat for rotational connection; A blocking assembly; comprising a single-sided closing block disposed inside the connector, the single-sided closing block being used to block the connection between the sound guide assembly and the sound amplification assembly; The flat sound amplification head is provided with a preheating ring for improving the comfort of the patient.

[0006] Preferably, a rotating protrusion ring is provided at the bottom inner side of the spin-on upper seat, a rotating seat is provided at the top inner side of the spin-on lower seat, a rotating groove is provided on the inner side of the rotating seat, the spin-on upper seat and the spin-on lower seat are rotatably installed via the rotating seat and the rotating protrusion ring, and the rotating protrusion ring and the rotating seat are also limited by the rotating groove, a sealing groove is provided in the rotating protrusion ring, and a rubber sealing strip is provided in the sealing groove, and indicator arrows are provided on the outer surfaces of the spin-on upper seat and the spin-on lower seat, and the indicator arrows can be used to identify plug connector 1 and plug connector 2 arranged on the spin-on upper seat.

[0007] Preferably, a filter ring is provided in the plug connector 1, and the filter ring is used to prevent dust and the like from entering. At the same time, filter rings are installed in both the plug connector 2 and the plug connector 1.

[0008] Preferably, the connector is symmetrically provided with a first plug connector and a second plug connector on the top of the screw-on upper seat, and a loudspeaker connection plug is provided on the bottom of the connector on the screw-on lower seat.

[0009] Preferably, an integrated single-sided closing block is provided on the rotating seat on the inner side of the screw-on lower seat, the top of the single-sided closing block extends and contacts with the top of the screw-on upper seat, a sealing groove is opened on the inner side of the single-sided closing block, a return spring is provided in the sealing groove, and a sealing ball is provided in the sealing groove at the top of the return spring.

[0010] Preferably, when the screw-on upper seat and the screw-on lower seat rotate, the opening on one side is blocked by a single-sided closing block, and when the single-sided closing block is aligned with the first plug connector or the second plug connector, a blocking ball is embedded and clamped.

[0011] Preferably, the single-sided closing block is a semicircular structure, and the single-sided closing block can only close one of the plug connector 1 or the plug connector 2.

[0012] Preferably, the preheating ring is arranged on one side surface of the flat sound amplifier head, a heating wire is arranged inside the preheating ring, a battery box is installed on the other side of the flat sound amplifier head, the battery box is connected to the heating wire, and a mesh paper piece is also arranged on one side surface of the flat sound amplifier head.

[0013] Preferably, the sound amplification component includes a short sound amplification tube for connection, one end of the short sound amplification tube is connected to the connector, the other end of the short sound amplification tube is connected to the flat sound amplification listening head, a ferrule is provided on the short sound amplification tube, a clamping ferrule is provided on one side of the ferrule, and the short sound amplification tube can be clamped on the sound amplification connecting plug by the clamping ferrule.

[0014] Preferably, one end of the long sound amplifying duct is connected to the connector through a sound amplifying connecting plug, and the other end of the long sound amplifying duct is connected to a three-way connector. A sleeve is installed on the long sound amplifying duct, and a nameplate is provided on one side of the sleeve. The other end of the three-way connector is symmetrically connected to two earrings, an arc-shaped spring sheet is installed between the two earrings, and a rubber earplug is installed at the other end of the earring.

[0015] Compared with the prior art, the present invention has the following beneficial effects: By setting up the stethoscope with multiple stethoscope heads, when medical workers use the stethoscope in the application to diagnose and auscultate patients, they can choose according to the type of illness the patient has. By using different types of stethoscope heads, they can be used to auscultate high-pitched murmurs or low-pitched murmurs. They can be used according to different symptoms of the patient without changing different types of stethoscopes or changing the stethoscope heads on the stethoscope, thereby improving the practicality and functionality of the device. In addition, during use, a connector is provided between the short sound-amplifying tube and the long sound-amplifying tube of the double stethoscope head structure. In order to prevent the noise generated on the other stethoscope head from affecting the auscultation effect during auscultation, the long sound-amplifying tube on the stethoscope head in use can be connected with the short sound-amplifying tube through the provided connector. At the same time, a closed sound insulation structure is provided in the connector, which better prevents the noise from affecting the auscultation effect and improves the functionality and practicality of the device. During the use of the stethoscope, since the flat sound-amplifying stethoscope head needs to be in full contact with the patient's skin, a preheating structure is provided on the flat sound-amplifying stethoscope head, which can be preheated by electric heating before use, and the patient's comfort can be improved when the stethoscope contacts the patient's skin during auscultation. At the same time, a disposable mesh paper sheet is also provided on the flat sound-amplifying stethoscope head to avoid direct contact with the skin of multiple patients when using the stethoscope, thereby improving the practicality of the stethoscope. At the same time, a buckle is provided on the short amplifying tube connected to the stethoscope head. When one of the stethoscope heads is in use, the other stethoscope head can be fixed and engaged by the buckle to avoid the other stethoscope head from shaking during use. At the same time, a nameplate is also provided on the long amplifying tube to identify the owner of the stethoscope to avoid loss, thereby further improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a schematic diagram of the cross-sectional structure of the connector of the present invention; Figure 3 For the present invention Figure 2 The structural diagram at A in the middle; Figure 4 It is a schematic structural diagram of the flat sound amplification head of the present invention; Figure 5 It is a structural schematic diagram of the ferrule of the present invention; In the figure: 100, earring; 101, rubber earplug; 102, spring sheet; 103, three-way connector; 104, long amplification tube; 105, short amplification tube; 106, flat amplification listening head; 161, preheating ring; 162, mesh paper sheet; 163, battery box; 107, bell-shaped amplification listening head; 200, connector; 201, screw-on upper seat; 202, screw-on lower seat; 203, plug connector one; 204. Plug connector 2; 205. Filter ring; 206. Amplifier connection plug; 207. Rotating raised ring; 208. Sealing groove; 209. Rubber sealing strip; 210. Rotating seat; 211. Rotating groove; 300. Sleeve; 301. Nameplate; 400. Single-sided closing block; 401. Sealing groove; 402. Reset spring; 403. Sealing ball; 500. Ferrule; 501. Hold the ferrule tightly. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] Embodiment 1

[0019] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 The present invention provides a technical solution: a new type of sound amplification device for outpatient clinics. When used in outpatient clinics, the sound amplification stethoscope can significantly enhance and amplify the sounds inside the human body, so that doctors can hear the patient's heartbeat, breathing, bowel sounds, etc. more clearly. Since the sounds are amplified, doctors can more easily identify subtle changes in the sounds inside the body, thereby making a more accurate diagnosis. The device comprises an earring 100 and a long sound amplification tube 104. One end of the long sound amplification tube 104 is connected to a connector 200 through a sound amplification connection plug 206. The other end of the long sound amplification tube 104 is connected to a three-way connector 103. A sleeve 300 is installed on the long sound amplification tube 104. A nameplate 301 is provided on one side of the sleeve 300. The owner's information can be recorded through the nameplate 301 to avoid loss during use. The other end of the three-way connector 103 is symmetrically connected to two earrings 10 0, an arc-shaped spring sheet 102 is installed between the two earrings 100, a rubber earplug 101 is installed at the other end of the earring 100, the sound amplification component includes a flat sound amplification listening head 106 and a bell-shaped sound amplification listening head 107, a connector 200 is used to connect the sound guide component and the sound amplification component, and the connector 200 also includes a screw-on upper seat 201 and a screw-on lower seat 202 for rotational connection. When the stethoscope in the application is used to diagnose a patient, the patient wears the rubber earplug 101 at one end of the earring 100 into the ear, and then contacts the auscultation site through the stethoscope head. The sound amplified by the stethoscope head is transmitted through the short sound amplification tube 105 and the long sound amplification tube 104, and enters the earring 100 through the three-way connector 103, and finally is transmitted into the ear through the rubber earplug 101, so that the medical staff can make a preliminary diagnosis of the patient through the amplified sound.

[0020] Specifically, an integrated rotating protruding ring 207 is provided at the inner bottom of the screw-on upper seat 201, and an integrated rotating seat 210 is provided at the inner top of the screw-on lower seat 202. A rotating groove 211 is provided on the inner side of the rotating seat 210. The screw-on upper seat 201 and the screw-on lower seat 202 are rotatably mounted via the rotating seat 210 and the rotating protruding ring 207, and the rotating protruding ring 207 and the rotating seat 210 are also limited by the rotating groove 211. A sealing ring 207 is provided inside the rotating protruding ring 207. The sealing groove 208 is provided with a rubber sealing strip 209, which can be sealed by the rubber sealing strip 209 when rotating. The outer surfaces of the screw-on upper seat 201 and the screw-on lower seat 202 are provided with indicating arrows, which can be used to identify whether the plug connector 1 203 or the plug connector 2 204 is closed. The indicating arrows provided on the screw-on upper seat 201 and the screw-on lower seat 202 can be used to know which side of the stethoscope head is in the closed state, which is convenient for using different stethoscope heads for auscultation, so that Different stethoscope heads are used for auscultation. During the use of the device, if the patient's symptoms are different and the parts to be auscultated are different, the bell-shaped amplified stethoscope head 107 or the flat amplified stethoscope head 106 can be used according to the required requirements. Different types of noises can be auscultated by the bell-shaped amplified stethoscope head 107 and the flat amplified stethoscope head 106. The use range is wider, and the auscultation is better. At the same time, the convenience when the diagnosis is stopped is improved. When using different stethoscope heads, it is also necessary to rotate the screw-on upper seat 201 and the screw-on lower seat 202 on the connecting head 200. During the auscultation process, in order to prevent the introduction of noise from the other unused stethoscope head, the screw-on upper seat 201 and the screw-on lower seat 202 are adjusted by rotating the rotating protruding ring 207 and the rotating seat 210, and the rotating protruding ring 207 and the rotating groove 211 are also used for limiting, and a rubber sealing strip 209 for contact sealing is provided in the rotating protruding ring 207, so as to avoid the introduction of noise from the connection between the screw-on upper seat 201 and the screw-on lower seat 202 during use.

[0021] Specifically, a filter ring 205 is provided in the plug connector 1 203, and the filter ring 205 is used to prevent dust and the like from entering. At the same time, filter rings 205 are installed in both the plug connector 204 and the plug connector 1 203, and a filter ring 205 of the same structure is provided on the loudspeaker connection plug 206, which can better filter and prevent debris from entering. The plug connector 1 203 and the plug connector 2 204 are symmetrically arranged on the top of the screw-on upper seat 201 on the connector 200, and the loudspeaker connection plug 206 is provided on the bottom of the connector 200 on the screw-on lower seat 202, which is convenient for disassembly and assembly.

[0022] Embodiment 2

[0023] See also Figure 1 , Figure 2 and Figure 3The present invention provides a technical solution: a new type of sound amplifying device for outpatient clinic, wherein the blocking component comprises a single-sided closing block 400 arranged on the inner side of the connecting head 200, and the single-sided closing block 400 is used to block the connection between the sound guide component and the sound amplifying component. An integrated single-sided closing block 400 is arranged on the inner side of the screw-on lower seat 202 and located on the rotating seat 210, and the top of the single-sided closing block 400 extends and contacts with the top of the screw-on upper seat 201, and a blocking groove 401 is provided on the inner side of the single-sided closing block 400, and a return spring 402 is arranged in the blocking groove 401, and a blocking ball 403 is arranged on the top of the return spring 402 in the blocking groove 401, and when rotating, the single-sided closing block 400 arranged on the inner side of the screw-on lower seat 202 contacts the inner top of the screw-on upper seat 201, and the single-sided closing block 400 is a semicircular structure, and is closed by the single-sided closing block 400, Thereby preventing the introduction of noise from the unused stethoscope head when the diagnosis is stopped, and a blocking ball 403 is arranged on the inner side of the single-sided closing block 400. When the single-sided closing block 400 is rotated to align with the plug connector 204, the blocking ball 403 located in the blocking groove 401 on the inner side of the single-sided closing block 400 is lifted up and blocked inside the plug connector 204. When rotating, the blocking ball 403 is pushed into the blocking groove 401 and squeezes the reset spring 402 on the inner side of the blocking groove 401 to deform and generate a rebound force. When the screw-on upper seat 201 and the screw-on lower seat 202 continue to rotate, and at the same time, the blocking groove 401 on the inner side of the single-sided closing block 400 is rotated to align with the plug connector 1 203, the blocking ball 403 is lifted up and embedded in the plug connector 1 203 by the action of the reset spring 402. While the blocking ball 403 plays a role of blocking, it is also embedded for better sealing to avoid the introduction of noise.

[0024] Specifically, when the screw-on upper seat 201 and the screw-on lower seat 202 rotate, the opening on one side is blocked by the single-sided closing block 400. At the same time, when the single-sided closing block 400 is aligned with the plug connector 1 203 or the plug connector 204, the sealing ball 403 is embedded and clamped to ensure the stability of the connector 200 during the auscultation process and prevent the connector 200 from rotating unsteadily. In addition, the single-sided closing block 400 is a semicircular structure, and the single-sided closing block 400 can only close one of the plug connector 1 203 or the plug connector 204, which is better used for auscultation.

[0025] Embodiment 3

[0026] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5The present invention provides a technical solution: a novel sound amplification device for outpatient clinic, a flat sound amplification head 106 is provided with a preheating ring 161 for improving the comfort of patients, the preheating ring 161 is arranged on one side surface of the flat sound amplification head 106, a heating wire is arranged in the preheating ring 161, a battery box 163 is installed on the other side of the flat sound amplification head 106, the battery box 163 is connected to the heating wire, when the flat sound amplification head 106 is used for auscultation, the surface of the flat sound amplification head 106 needs to be completely in contact with the patient's skin, the battery box 163 on the back of the flat sound amplification head 106 supplies power through the mesh paper sheet 162 on the surface of the flat sound amplification head 106 and the battery box 163 on the back of the flat sound amplification head 106 to make the resistance wire in the preheating ring 161 generate heat, and the generated heat is used to preheat one side surface of the flat sound amplification head 106, so as to improve the comfort of the patient when it contacts the patient's skin, and a charging socket is arranged on the battery box 163, which can be used for charging for cyclic use.

[0027] Specifically, a mesh paper piece 162 is provided on the surface of one side of the flat sound amplifying stethoscope head 106. In order to prevent the patient from contracting skin diseases during use, a disposable mesh paper piece 162 is also adhered to one side of the preheating ring 161 on the flat sound amplifying stethoscope head 106. The mesh paper piece 162 has a mesh structure, which can separate the skin while preventing the auscultation effect from being affected. At the same time, after the auscultation of the previous patient is completed, the mesh paper piece 162 can be directly torn off and replaced with a new one, thereby improving the comfort and safety of the patient during use and allowing for better auscultation use.

[0028] Embodiment 4

[0029] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 The present invention provides a technical solution: a new type of sound amplification device for outpatient clinic, the sound amplification component includes a short sound amplification tube 105 for connection, one end of the short sound amplification tube 105 is connected to the connector 200, and the other end of the short sound amplification tube 105 is connected to the flat sound amplification listening head 106, a ferrule 500 is arranged on the short sound amplification tube 105, and a clamping ferrule 501 is arranged on one side of the ferrule 500, the short sound amplification tube 105 can be clamped on the sound amplification connecting plug 206 through the clamping ferrule 501, when the stethoscope head is used, the ferrule 500 is arranged on the short sound amplification tube 105 connected to the stethoscope head, when one of the stethoscope heads is used, the other stethoscope head can be clamped on the sound amplification connecting plug 206 through the ferrule 500 on the short sound amplification tube 105 and the clamping ferrule 501, so as to avoid the shaking of the other stethoscope head during use, thereby better improving the practicality of the device.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A new type of sound amplification device for outpatient clinic, characterized in that: It comprises an earring (100) and a long sound amplification conduit (104); A sound amplification component; comprising a flat sound amplification head (106) and a bell-shaped sound amplification head (107); A connector (200); the connector (200) is used to connect the sound guide component and the sound amplification component, and the connector (200) also includes a rotational upper seat (201) and a rotational lower seat (202) for rotational connection; A blocking component, comprising a single-sided closing block (400) arranged inside the connector (200), the single-sided closing block (400) being used to block the connection between the sound guide component and the sound amplification component; The flat sound amplification listening head (106) is provided with a preheating ring (161) for improving patient comfort.

2. A new type of sound amplification device for outpatient use according to claim 1, characterized in that: The inner bottom of the screw-on upper seat (201) is provided with a rotating protruding ring (207), the inner top of the screw-on lower seat (202) is provided with a rotating seat (210), the inner side of the rotating seat (210) is provided with a rotating groove (211), the screw-on upper seat (201) and the screw-on lower seat (202) are rotatably mounted via the rotating seat (210) and the rotating protruding ring (207), and the rotating protruding ring (207) and the rotating seat (210) are also limited by the rotating groove (211), a sealing groove (208) is provided in the rotating protruding ring (207), and a rubber sealing strip (209) is provided in the sealing groove (208), and the outer surfaces of the screw-on upper seat (201) and the screw-on lower seat (202) are provided with indicating arrows, and the indicating arrows can be used to identify the plug connector 1 (203) and the plug connector 2 (204) provided on the screw-on upper seat (201).

3. A new type of sound amplification device for outpatient use according to claim 2, characterized in that: The plug connector one (203) is provided with a filter mesh ring (205) for preventing dust and the like from entering. Meanwhile, the plug connector two (204) and the plug connector one (203) are both provided with filter mesh rings (205).

4. A new type of sound amplification device for outpatient use according to claim 1, characterized in that: The connector (200) is symmetrically provided with a first plug connector (203) and a second plug connector (204) on the top of the screw-on upper seat (201), and a loudspeaker connection plug (206) is provided on the bottom of the connector (200) on the screw-on lower seat (202).

5. A new type of sound amplification device for outpatient use according to claim 2, characterized in that: An integrated single-sided closing block (400) is arranged on the rotating seat (210) on the inner side of the screw-on lower seat (202), and the top of the single-sided closing block (400) extends to contact the top of the screw-on upper seat (201). A sealing groove (401) is provided on the inner side of the single-sided closing block (400), and a return spring (402) is arranged in the sealing groove (401). A sealing ball (403) is arranged in the sealing groove (401) at the top of the return spring (402).

6. A new type of sound amplification device for outpatient use according to claim 5, characterized in that: When the screw-on upper seat (201) and the screw-on lower seat (202) rotate, the opening on one side is blocked by the single-sided closing block (400), and when the single-sided closing block (400) is aligned with the first plug connector (203) or the second plug connector (204), the blocking ball (403) is embedded and locked.

7. The novel sound amplification device for outpatient use according to claim 5 is characterized in that: The single-sided closing block (400) is a semicircular structure, and the single-sided closing block (400) can only close one of the plug connector 1 (203) or the plug connector 2 (204).

8. The novel sound amplification device for outpatient clinic according to claim 5 is characterized by: The preheating ring (161) is arranged on one side surface of the flat sound amplifying head (106), a heating wire is arranged inside the preheating ring (161), a battery box (163) is installed on the other side of the flat sound amplifying head (106), the battery box (163) is point-connected to the heating wire, and a mesh paper sheet (162) is also arranged on one side surface of the flat sound amplifying head (106).

9. The novel sound amplification device for outpatient clinic according to claim 1 is characterized by: The sound amplification component comprises a short sound amplification tube (105) for connection, one end of the short sound amplification tube (105) being connected to a connector (200), and the other end of the short sound amplification tube (105) being connected to a flat sound amplification listening head (106), a clamping sleeve (500) being provided on the short sound amplification tube (105), a clamping sleeve (501) being provided on one side of the clamping sleeve (500), and the short sound amplification tube (105) being able to be clamped on the sound amplification connecting plug (206) by means of the clamping sleeve (501).

10. The novel sound amplification device for outpatient use according to claim 1 is characterized by: One end of the long sound amplification tube (104) is connected to the connector (200) via a sound amplification connection plug (206); the other end of the long sound amplification tube (104) is connected to a three-way connector (103); a sleeve (300) is installed on the long sound amplification tube (104); a nameplate (301) is provided on one side of the sleeve (300); the other end of the three-way connector (103) is symmetrically connected to two earrings (100); an arc-shaped spring sheet (102) is installed between the two earrings (100); and a rubber earplug (101) is installed at the other end of the earring (100).

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