CN219480152U

CN219480152U - Stethoscope sound amplifying structure

Info

Publication number: CN219480152U
Application number: CN202320454559.6U
Authority: CN
Inventors: 于衍会
Original assignee: Harbin Medical University
Current assignee: Harbin Medical University
Priority date: 2023-03-11
Filing date: 2023-03-11
Publication date: 2023-08-08
Anticipated expiration: 2033-03-11

Abstract

The utility model discloses a stethoscope sound amplifying structure, which comprises a tube body; sound collecting covers are symmetrically and fixedly connected to two sides of the tube body, and sound amplifying assemblies are arranged on the inner sides of the sound collecting covers; the sound amplifying assembly comprises a metal sheet, wherein a fixing plate is symmetrically and fixedly connected to two sides of the metal sheet, a locating rod is arranged on the inner side of the fixing plate in a sliding manner, a locating spring is fixedly connected to the top end of the fixing plate, a supporting spring is fixedly connected to the bottom end of the fixing plate, a connecting rod is fixedly connected to the bottom end of the supporting spring, and the connecting rod is sleeved with the locating rod.

Description

Stethoscope sound amplifying structure

Technical Field

The utility model relates to the technical field of stethoscopes, in particular to a sound amplifying structure of a stethoscopes.

Background

Intracardiac auscultation is a diagnostic method for locating stethoscope chest pieces in precordial regions, detecting heart beating sounds to understand heart states, plays an important role in heart examination, and is an indispensable important means for diagnosing heart diseases, and heart auscultation comprises heart rate, heart rhythm, heart sounds, murmurs, pericardial friction sounds and the like.

The utility model patent with publication number CN217696617U and name 2022.11.01 entitled sound amplifying structure for stethoscope, which comprises an audio wire inserted in the middle of the back of stethoscope, the back of stethoscope is fixedly connected with a guide ring for screwing installation, the outer surface of guide ring is connected with a telescopic adjustable extension cylinder in a threaded manner, and the surface of extension cylinder is sheathed with a protection cylinder for protection. This a public address structure for stethoscope, through the setting of extension section of thick bamboo, protection section of thick bamboo and public address subassembly, the mode of cup jointing between extension section of thick bamboo and the protection section of thick bamboo can carry out telescopic adjustment's use mode to the length that forms between extension section of thick bamboo and the protection section of thick bamboo, do benefit to the auscultation operation of different height medical personnel with the mode of bending down to bedridden patient and pass through the audio transmission of audio line and sound pipe between public address subassembly and the stethoscope for medical personnel can auscultate extension section of thick bamboo and the protection section of thick bamboo formation audio transmission mode, avoid the health contact between medical personnel and the patient.

The prior art, including the above-mentioned patents, suffers from the disadvantage that the volume cannot be adjusted for different wearers in the prior art, since the stethoscope apparatus is adjusted according to the hearing needs of different practitioners when in use.

Disclosure of Invention

The utility model aims to provide a stethoscope sound amplifying structure, which reduces the vibration frequency of a metal sheet through the stress of a fixed plate between a positioning spring and a supporting spring, otherwise reduces the stress of the fixed plate and improves the vibration frequency of the metal sheet, so that the stethoscope sound amplifying structure can be used for adjusting sound volume by different wearers, and is simple in structure and flexible to use.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: a stethoscope sound amplifying structure comprises a tube body;

sound collecting covers are symmetrically and fixedly connected to two sides of the pipe body, and sound amplifying assemblies are arranged on the inner sides of the sound collecting covers;

the sound amplifying assembly comprises a metal sheet, fixing plates are symmetrically and fixedly connected to two sides of the metal sheet, positioning rods are slidably arranged on the inner sides of the fixing plates, positioning springs are fixedly connected to the top ends of the fixing plates, supporting springs are fixedly connected to the bottom ends of the fixing plates, connecting rods are fixedly connected to the bottom ends of the supporting springs, and the connecting rods are sleeved with the positioning rods;

as a further description of the above technical solution:

the outer side of the pipe body is provided with a thread groove, and the outer side of the thread groove is connected with a movable ring in a threaded manner.

As a further description of the above technical solution:

the inner side of the movable ring is movably provided with a connecting arm which is fixedly connected with the connecting rod.

As a further description of the above technical solution:

one side of the sound collecting cover is fixedly connected with a rubber pad, and one side of the rubber pad is provided with an arc-shaped groove.

As a further description of the above technical solution:

and one side of the pipe body is fixedly connected with a cavity pipe, and the cavity pipe is communicated with the pipe body.

As a further description of the above technical solution:

the pipe body both sides symmetry has seted up the fixed slot, and the fixed slot inboard is provided with the linking arm. The utility model provides a stethoscope sound amplifying structure, which has the following beneficial effects:

1. in the utility model, the vibration frequency of the metal sheet is reduced by the stress of the fixing plate between the positioning spring and the supporting spring, otherwise, the stress of the fixing plate is reduced, and the vibration frequency of the metal sheet is improved, so that the device can adjust the volume of different wearers, and has simple structure and flexible use.

2. According to the utility model, the rotary movable ring moves along the thread groove in a directional manner, the connecting arm movably connected to the inner side of the movable ring drives the supporting spring in the connected connecting rod to move, so that the convenience of the device is improved, and the device has a simple structure and is worthy of wide popularization.

Drawings

Fig. 1 is a schematic diagram of a sound amplifying structure of a stethoscope according to the present utility model;

fig. 2 is a schematic structural diagram of a loudspeaker assembly according to the present utility model;

FIG. 3 is a partial schematic view of the utility model at A in FIG. 2;

FIG. 4 is a partial schematic view of the present utility model at B in FIG. 2;

legend description:

1. a tube body; 11. a thread groove; 12. a moving ring; 13. a fixing groove; 14. a connecting arm; 2. a sound collecting cover; 3. a cavity tube; 4. a rubber pad; 5. a sound amplifying assembly; 51. a metal sheet; 511. a fixing plate; 512. a positioning rod; 513. a positioning spring; 514. a support spring; 515. a connecting rod; 52. a sound collecting groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1 to 4, a stethoscope sound amplifying structure includes a tube 1; the two sides of the tube body 1 are symmetrically and fixedly connected with a sound collecting cover 2, and the inner side of the sound collecting cover 2 is provided with a sound amplifying assembly 5; the sound amplifying assembly 5 comprises a metal sheet 51, fixing plates 511 are symmetrically and fixedly connected to two sides of the metal sheet 51, positioning rods 512 are slidably arranged on the inner sides of the fixing plates 511, positioning springs 513 are fixedly connected to the top ends of the fixing plates 511, supporting springs 514 are fixedly connected to the bottom ends of the fixing plates 511, connecting rods 515 are fixedly connected to the bottom ends of the supporting springs 514, and the connecting rods 515 are sleeved with the positioning rods 512; specifically, the two sides of the tube body 1 are symmetrically and fixedly connected with the sound collecting cover 2, the inner side of the sound collecting cover 2 is fixedly connected with the sound amplifying assembly 5, two sides of the metal sheet 51 in the sound collecting groove 51 in the sound amplifying assembly 5 are symmetrically and fixedly connected with the fixing plate 511, the inner side of the fixing plate 511 is slidably connected with the locating rod 512, two sides of the locating rod 512 are respectively provided with the locating spring 513 and the supporting spring 514, the connecting rod 515 fixedly connected with the bottom end of the supporting spring 514 moves along the locating rod 512, the stress of the fixing plate 511 between the locating spring 513 and the supporting spring 514 reduces the vibration frequency of the metal sheet 51, otherwise, the stress of the fixing plate 511 is reduced, and the vibration frequency of the metal sheet 51 is improved, so that the device can be used by different wearers to adjust sound volume, and is simple in structure and flexible in use;

the outer side of the pipe body 1 is provided with a thread groove 11, and the outer side of the thread groove 11 is connected with a movable ring 12 in a threaded manner; the inner side of the movable ring 12 is movably provided with a connecting arm 14, and the connecting arm 14 is fixedly connected with a connecting rod 515; a rubber pad 4 is fixedly connected to one side of the sound collecting cover 2, and an arc-shaped groove is formed in one side of the rubber pad 4; one side of the tube body 1 is fixedly connected with a cavity tube 3, and the cavity tube 3 is communicated with the tube body 1; the two sides of the pipe body 1 are symmetrically provided with fixing grooves 13, and the inner sides of the fixing grooves 13 are provided with connecting arms 14; specifically, the thread groove 11 formed on the outer side of the pipe body 1 is in threaded connection with the movable ring 12, the inner side of the movable ring 12 is movably connected with the connecting arm 14, the rotary movable ring 12 moves directionally along the thread groove 11, and the connecting arm 14 movably connected on the inner side of the movable ring 12 drives the supporting spring 514 in the connected connecting rod 515 to move, so that the convenience of the device is improved, and the device is simple in structure and worth of being widely popularized.

Working principle: the screw thread groove 11 threaded connection shifting ring 12 that the body 1 outside was seted up, shifting ring 12 inboard swing joint has linking arm 14, rotatory shifting ring 12 moves along the directional motion of screw thread groove 11, the connecting arm 14 that is located shifting ring 12 inboard swing joint drives the supporting spring 514 in the connecting rod 515 who connects, sound collecting cover 2 is connected fixedly to body 1 both sides symmetry, sound collecting cover 2 inboard fixedly connected with public address subassembly 5, the sheetmetal 51 both sides symmetry fixedly connected with fixed plate 511 in the sound collecting groove 51 in the public address subassembly 5, fixed plate 511 inboard sliding connection has locating lever 512, locating lever 512 both sides are provided with locating spring 513 and supporting spring 514 respectively, the connecting rod 515 of supporting spring 514 bottom fixed connection reduces the vibration frequency of sheetmetal 51 along locating lever 512, vice versa, the vibration frequency of sheetmetal 51 is improved to the fixed plate 511 atress, make this device can adjust the volume by different wearers, and a structure is simple, and use is nimble.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. A stethoscope sound amplifying structure, which is characterized by comprising a tube body (1);

the sound collecting cover (2) is symmetrically and fixedly connected to the two sides of the pipe body (1), and the sound amplifying assembly (5) is arranged on the inner side of the sound collecting cover (2);

the sound amplifying assembly (5) comprises a metal sheet (51), a fixing plate (511) is symmetrically and fixedly connected to two sides of the metal sheet (51), a locating rod (512) is slidably arranged on the inner side of the fixing plate (511), a locating spring (513) is fixedly connected to the top end of the fixing plate (511), a supporting spring (514) is fixedly connected to the bottom end of the fixing plate (511), a connecting rod (515) is fixedly connected to the bottom end of the supporting spring (514), and the connecting rod (515) is sleeved with the locating rod (512).

2. A stethoscope sound amplifying structure according to claim 1, wherein a thread groove (11) is arranged on the outer side of the tube body (1), and a moving ring (12) is connected to the outer side of the thread groove (11) in a threaded manner.

3. The stethoscope sound amplifying structure according to claim 2, wherein the inner side of the moving ring (12) is movably provided with a connecting arm (14), and the connecting arm (14) is fixedly connected with the connecting rod (515).

4. The stethoscope sound amplifying structure according to claim 1, wherein a rubber pad (4) is fixedly connected to one side of the sound collecting cover (2), and an arc-shaped groove is formed in one side of the rubber pad (4).

5. The stethoscope sound amplifying structure according to claim 1, wherein one side of the tube body (1) is fixedly connected with a cavity tube (3), and the cavity tube (3) is communicated with the tube body (1).

6. The stethoscope sound amplifying structure according to claim 1, wherein the tube body (1) is symmetrically provided with fixing grooves (13) on two sides, and connecting arms (14) are arranged on the inner sides of the fixing grooves (13).