Stethoscope kit

A stethoscope kit, comprising:

• a storage cylinder;
• a protective shell;
• and
• an electronic stethoscope;
• wherein the storage cylinder comprises a base and a cylinder body;
• the protective shell is adapted to be sleeved on the cylinder body;
• two sides of the cylinder body are each symmetrically provided with a recess;
• a bottom of the recess is provided with an accommodating groove to accommodate the electronic stethoscope;
• a bottom of the electronic stethoscope is attached to a bottom of the accommodating groove through an attraction mechanism;
• a charging device is provided in the cylinder body;
• the charging device is configured to charge the electronic stethoscope when the electronic stethoscope is placed in the accommodating groove;
• the charging device comprises a charging wire and a plurality of engagement devices;
• the charging wire is provided on the base;
• the plurality of engagement devices are in one-to-one correspondence with the accommodating groove;
• each of the plurality of engagement devices comprises a first drive motor, a running channel, a rack and an engagement part;
• the running channel comprises a first channel and a second channel;
• an accommodating cavity is provided in the cylinder body;
• a first end of the first channel is communicated with the accommodating cavity, and a second end of the first channel is communicated with the second channel;
• the second channel is arranged around a side wall of the accommodating groove, and the side wall of the accommodating groove is provided with an opening communicated with the second channel;
• the engagement part is electrically connected with the charging wire;
• the engagement part is provided on an end of the rack;
• a side wall of the electronic stethoscope is provided with an engagement block;
• a side wall of the engagement block is provided with an engagement groove configured for insertion of the engagement part;
• the first drive motor is provided on a side of the accommodating cavity;
• an output shaft of the first drive motor is provided with a drive gear configured to be engaged with the rack;
• the first drive motor is configured to drive the rack to move along the running channel;
• the engagement part is located in the first channel in a non-operation state;
• an interior of the cylinder body is provided with a first control device configured to control the first drive motor;
• and the bottom of the accommodating groove is provided with a pressure sensor, and the pressure sensor is configured to sense pressure change to determine whether the electronic stethoscope is placed in the accommodating groove.