CN219331698U

CN219331698U - Medical stethoscope

Info

Publication number: CN219331698U
Application number: CN202320339504.0U
Authority: CN
Inventors: 王文启; 张翠
Original assignee: Third Medical Center of PLA General Hospital
Current assignee: Third Medical Center of PLA General Hospital
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-07-14
Anticipated expiration: 2033-02-28

Abstract

The utility model discloses a medical stethoscope, which relates to the technical field of medical instruments and comprises a stethoscope head, wherein one end of the stethoscope head is fixedly provided with a sound transmission tube, one side opposite to the U-shaped end of the sound transmission tube is fixedly connected through a width adjusting mechanism, one side opposite to the U-shaped end of the sound transmission tube is fixedly connected through a positioning elastic sheet, and the top of the U-shaped end of the sound transmission tube is fixedly provided with two sound guide rods in a central symmetry mode. In the use process, a user rotates the threaded pipe to rotate through the steering bearing, the threaded rod is stored or extended, along with the extension and shortening of a long rod structure formed by the threaded pipe and the threaded rod, the two positioning seats push outwards or shrink inwards to drive the U-shaped end of the sound transmission pipe to expand or shrink so as to drive the sound guide rod to perform adaptive movement, so that the distance between the opposite sides of the two earplugs is adjusted, and the threaded pipe is only required to rotate in the adjustment process, so that the operation is simple and convenient, and meanwhile, the threaded pipe is meshed with each other by the threaded structure.

Description

Medical stethoscope

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a medical stethoscope.

Background

The stethoscope is the most commonly used diagnostic tool for internal and external women doctors, is a mark of the doctor, and modern medicine begins with the utility model of the stethoscope. Since the stethoscope is applied to clinic in 3 and 8 days of 1817, the shape and the sound transmission mode are continuously improved, but the basic structure of the stethoscope mainly comprises a sound pick-up part, a conduction part and a sound listening part, in the utility model of a medical special stethoscope (application number: 2021214433136), a medical stethoscope capable of adjusting and fixing the distance between two earplugs to the most suitable distance by the friction force between a rubber tube and a rod body structure for medical staff with different head types is provided, but the stethoscope is only fixed by the friction force of the rubber tube, so that the stethoscope is extremely easy to wear in the use process, and is easy to loose and offset, and the like, so that the stability of the stethoscope is insufficient, and the medical stethoscope can be stably fixed and adjust the distance between the two earplugs is needed in the market.

Disclosure of Invention

The utility model aims to provide a medical stethoscope which solves the problem that a medical stethoscope capable of stably fixing and adjusting the distance between two earplugs is needed in the market in the background technology.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a medical stethoscope, includes the auscultation head, the one end fixed mounting of auscultation head has the sound pipe, and the relative one side of U-shaped end of sound pipe passes through width adjustment mechanism fixed connection, the relative one side of U-shaped end of sound pipe passes through location shell fragment fixed connection, and the top of sound pipe U-shaped end has two sound guide bars with central symmetry's form fixed mounting, the one end fixed mounting of sound guide bar has the earplug, and two sound guide bars pass through the mount belt.

Optionally, the width adjustment mechanism includes the positioning seat, and two positioning seats are with central symmetry's form fixed mounting in the relative one side of U-shaped end of sound transmission pipe, and two relative one sides of positioning seat all articulate there is the carrier block, and two opposite one sides of carrier block respectively fixed mounting have steering bearing and threaded rod, steering bearing's one end rotates installs the screwed pipe, and the one end screw thread of screwed pipe cup joints the surface at the threaded rod.

Optionally, an elastic silica gel film is covered on the surface of the stethoscope head, and the sound transmission tube consists of a soft straight tube and a soft U tube.

Optionally, the positioning seat comprises a U-shaped block and a steering shaft, and the bearing block is movably sleeved on the surface of the steering shaft.

Optionally, graduation marks are formed on the top of the threaded rod.

Optionally, the side section of the threaded rod is the same as the area of the side section of the inner wall of the threaded pipe, and the thread pitch of the surface of the threaded rod is the same as the thread pitch of the inner wall of the threaded pipe.

The utility model has the technical effects and advantages that:

1. the screw tube is rotated by a user to rotate through the steering bearing, the threaded rod is stored or extended, along with the extension and shortening of the long rod structure formed by the screw tube and the threaded rod, the two positioning seats are pushed outwards or contracted inwards to drive the U-shaped end of the sound transmission tube to expand or contract so as to drive the sound guide rod to conduct adaptive movement, so that the distance between the two earplugs on the opposite side is adjusted, and in the adjusting process, only the rotating operation is needed to ensure that the operation is extremely simple and convenient, and meanwhile, the two earplugs are mutually meshed by virtue of the threaded structure.

2. The top through the threaded rod has been seted up the scale mark and has been guaranteed that the user can carry out the calibration to the adjustment scope with the help of the existence of scale mark and can all adjust to self the length that is most comfortable with the help of the scale mark in order to guarantee at every turn in order to make things convenient for the staff to use.

Drawings

FIG. 1 is a schematic front view of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a schematic view of the structure of a threaded pipe according to the present utility model.

In the figure: 1 stethoscope head, 2 sound transmission tube, 3 width adjusting mechanism, 4 location shell fragment, 5 sound guide pole, 6 earplug, 7 carrier tape, 301 positioning seat, 302 carrier block, 303 steering bearing, 304 threaded rod, 305 screwed pipe.

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.

The utility model provides a medical stethoscope as shown in figures 1-3, which comprises a stethoscope head 1, wherein one end of the stethoscope head 1 is fixedly provided with a sound transmission tube 2, the surface of the stethoscope head 1 is covered with an elastic silica gel film, the sound transmission tube 2 consists of a soft straight tube and a soft U tube, and one side, opposite to the U-shaped end of the sound transmission tube 2, is fixedly connected through a width adjusting mechanism 3.

The opposite side of the U-shaped end of the sound transmission tube 2 is fixedly connected through a positioning spring plate 4, two sound guide rods 5 are fixedly arranged at the top of the U-shaped end of the sound transmission tube 2 in a central symmetry mode, earplugs 6 are fixedly arranged at one ends of the sound guide rods 5, and the two sound guide rods 5 pass through a mounting belt 7.

The width adjusting mechanism 3 comprises positioning seats 301, the two positioning seats 301 are fixedly arranged on one side opposite to the U-shaped end of the sound transmission tube 2 in a central symmetry mode, bearing blocks 302 are hinged to one side opposite to the two positioning seats 301, each positioning seat 301 comprises a U-shaped block and a steering shaft, and the bearing blocks 302 are movably sleeved on the surface of the steering shaft.

The opposite sides of the two bearing blocks 302 are respectively fixedly provided with a steering bearing 303 and a threaded rod 304, one end of the steering bearing 303 is rotatably provided with a threaded pipe 305, the side section of the threaded rod 304 is the same as the area of the side section of the inner wall of the threaded pipe 305, and the thread pitch of the surface of the threaded rod 304 is the same as the thread pitch of the inner wall of the threaded pipe 305.

One end screw thread of screwed pipe 305 cup joints on the surface of threaded rod 304, and the graduation mark has been seted up at the top of threaded rod 304, has set up like this and has guaranteed that the user can carry out the calibration to the adjustment scope with the help of the existence of graduation mark and can be with the help of the graduation mark in order to guarantee to adjust to self the length that is most comfortable at every turn in order to be convenient for the staff to use.

By rotating the threaded tube 305 through the steering bearing 303, the threaded rod 304 is received or extended, and along with the extension and shortening of the long rod structure formed by the threaded tube 305 and the threaded rod 304, the two positioning seats 301 push outwards or retract inwards to drive the U-shaped end of the sound transmission tube 2 to expand or contract so as to drive the sound guide rod 5 to perform adaptive movement, so that the distance between the opposite sides of the two earplugs 6 is adjusted.

Only need rotate the operation in the adjustment process in order to guarantee to operate extremely portably, the interlock of each other is carried out with the help of the helicitic texture simultaneously, has guaranteed not to appear rocking the condition that loosens in user's operation process, has also guaranteed not to appear because of fixing in close to single frictional force and lead to both sides wearing and tearing higher condition in the use.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A medical stethoscope comprising a stethoscope head (1), characterized in that: one end of the auscultation head (1) is fixedly provided with a sound transmission pipe (2), one side opposite to the U-shaped end of the sound transmission pipe (2) is fixedly connected through a width adjusting mechanism (3), one side opposite to the U-shaped end of the sound transmission pipe (2) is fixedly connected through a positioning elastic sheet (4), the top of the U-shaped end of the sound transmission pipe (2) is fixedly provided with two sound guide rods (5) in a central symmetry mode, one end of each sound guide rod (5) is fixedly provided with an earplug (6), and the two sound guide rods (5) are connected through a mounting belt (7);

the width adjusting mechanism (3) comprises positioning seats (301), two positioning seats (301) are fixedly arranged on one side, opposite to the U-shaped end, of the sound transmission tube (2) in a central symmetry mode, bearing blocks (302) are hinged to one sides, opposite to the two positioning seats (301), of the two bearing blocks (302), steering bearings (303) and threaded rods (304) are fixedly arranged on one sides, opposite to the two bearing blocks (302), of the two bearing blocks respectively, one end of each steering bearing (303) is rotatably provided with a threaded tube (305), and one end of each threaded tube (305) is in threaded sleeve connection with the surface of each threaded rod (304).

2. A medical stethoscope as claimed in claim 1, wherein: the surface of the stethoscope head (1) is covered with an elastic silica gel film, and the sound transmission tube (2) consists of a soft straight tube and a soft U tube.

3. A medical stethoscope as claimed in claim 1, wherein: the positioning seat (301) comprises a U-shaped block and a steering shaft, and the bearing block (302) is movably sleeved on the surface of the steering shaft.

4. A medical stethoscope as claimed in claim 1, wherein: graduation marks are formed in the top of the threaded rod (304).

5. A medical stethoscope as claimed in claim 1, wherein: the side section of the threaded rod (304) is the same as the area of the side section of the inner wall of the threaded pipe (305), and the thread pitch of the surface of the threaded rod (304) is the same as the thread pitch of the inner wall of the threaded pipe (305).