Emergency help-seeking sounding whistle

Abstract

The utility model discloses an emergency help-seeking sounding whistle, which is characterized in that sounding cavities are arranged on the left side and the right side in a whistle body, impact metal balls are arranged in the sounding cavities, side air outlet holes are arranged on the left side and the right side of the whistle body, and the side air outlet holes are respectively communicated with the sounding cavities on the same side. Front air outlet holes are formed in the left side and the right side of the front end of the whistle body and communicate with the sound production cavities on the same side, an air inlet cavity is fixedly installed at the rear end of the whistle body, and a circular air inlet cavity is formed in the center in the air inlet cavity and communicates with the two sound production cavities at the front end. A blowing nozzle is installed on the side edge of the air inlet cavity through a one-way air inlet valve, and the inner side of the one-way air inlet valve communicates with the side edge of the circular air inlet cavity. According to the utility model, the design is reasonable, the sounding frequency of the whistle is improved through the two sounding cavities and the internal impact metal ball, the possibility of being found is improved, and the whistle can be activated in two modes, so that the situation that the whistle cannot be used after the mouth of a user is injured is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of disaster prevention and rescue, especially to an emergency whistle. BACKGROUND

[0002] After the disaster, the trapped person needs to send a certain rescue signal in a limited space, wherein the whistle sends the rescue signal with small volume and low consumption, but the whistle is limited to the user blowing through the mouth, and it is difficult to use if the user's mouth is injured. UTILITY MODEL CONTENT

[0003] The utility model aims at providing an emergency whistle to solve the problems in the background art.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] An emergency whistle comprises a whistle body, a sound cavity, a metal ball, a side air outlet, a front air outlet, an air inlet cavity, a circular air inlet cavity, a one-way air inlet valve and a mouthpiece.

[0006] Preferably, the emergency whistle further comprises an air bag and a one-way air inlet, the air bag is installed at the rear end of the air inlet cavity and is connected to the rear end of the circular air inlet cavity in the air inlet cavity, and the one-way air inlet is installed at the center of the rear end of the air bag.

[0007] Preferably, the emergency whistle further comprises a fixed shaft, turbine blades, a laser light emitter and a laser light emission slot, the fixed shaft is installed at the center of the circular air inlet cavity, the turbine blades are installed on the outside of the fixed shaft, the laser light emitter is installed at the center of the whistle body, and the laser light emission slot is formed at the center of the whistle body, a coil stator is installed in the fixed shaft, and a magnet rotor is installed on the inner side of the turbine blades, when the magnet rotor in the turbine blades rotates around the coil stator in the fixed shaft, electromagnetic induction is generated to provide power for the laser light emitter.

[0008] The utility model discloses beneficial effect is: the utility model discloses reasonable design, through two sound production cavities and the inside impact metal ball improve the sound production frequency of whistle, improve the possible of being found, and can activate through two ways, avoid the mouth of user after being wounded and cannot use. BRIEF DESCRIPTION OF DRAWINGS

[0009] Fig. 1 It is structure schematic diagram of emergency whistle of this utility model;

[0010] Fig. 2 It is structure schematic diagram of emergency whistle of this utility model.

[0011] In the drawing: 1, whistle body, 2, sound production cavity, 3, impact metal ball, 4, side air outlet, 5, front air outlet, 6, air inlet cavity, 7, circular air inlet cavity, 8, one-way air inlet valve, 9, mouthpiece, 10, air bag, 11, one-way air inlet, 12, fixed shaft, 13, turbine vane, 14, laser lamp emitter, 15, laser lamp emission slot. DETAILED DESCRIPTION

[0012] The utility model will be further described below in connection with the drawings and specific embodiment:

[0013] For example, Figs. 1-2As shown, an emergency whistle for calling for help, including whistle body 1, sound cavity 2, impact metal ball 3, side air outlet 4, front air outlet 5, air inlet cavity 6, circular air inlet cavity 7, one-way air inlet valve 8, mouthpiece 9, the whistle body 1 left and right sides are provided with sound cavity 2, the sound cavity 2 is internally mounted with impact metal ball 3, the whistle body 1 left and right sides are provided with side air outlet 4, and the side air outlet 4 is respectively communicated with the sound cavity 2 on the same side, the whistle body 1 left and right sides are provided with front air outlet 5, and the front air outlet 5 is respectively communicated with the sound cavity 2 on the same side, the whistle body 1 rear end is fixedly installed with air inlet cavity 6, the air inlet cavity 6 is internally provided with circular air inlet cavity 7, and the circular air inlet cavity 7 is communicated with the front two sound cavities 2, the air inlet cavity 6 side is installed with mouthpiece 9 through one-way air inlet valve 8, and the one-way air inlet valve 8 is communicated with the circular air inlet cavity 7 side. The emergency whistle for calling for help further comprises an air bag 10 and a one-way air inlet 11, the air inlet cavity 6 rear end is installed with an air bag 10, and the air bag 10 is communicated with the circular air inlet cavity 7 rear end in the air inlet cavity 6, and the air bag 10 rear end is installed with a one-way air inlet 11. The emergency whistle for calling for help further comprises a fixed shaft 12, a turbine blade 13, a laser lamp emitter 14 and a laser lamp emission slot 15, the circular air inlet cavity 7 is internally installed with a fixed shaft 12, the fixed shaft 12 is installed with a turbine blade 13, the whistle body 1 is internally installed with a laser lamp emitter 14, and the whistle body 1 is internally provided with a laser lamp emission slot 15, the fixed shaft 12 is internally installed with a coil stator, and the turbine blade 13 is internally installed with a magnet rotor, and the magnet rotor in the turbine blade 13 rotates around the coil stator in the fixed shaft 12, and generates electromagnetic induction to provide power supply for the laser lamp emitter 14.

[0014] The utility model uses method: the whistle body 1 can pass through the mouthpiece 9 and pass through one-way air inlet valve 8 and blow to the circular air inlet cavity 7, drive both sides sound cavity 2 to sound, and the internal impact metal ball 3 is driven to impact sound by airflow, and when the mouth of the user is inconvenient, can pass through the air bag 10 at the rear end and blow to the circular air inlet cavity 7, drive both sides sound cavity 2 to sound, and the internal impact metal ball 3 is driven to impact sound by airflow, no matter which starting mode, airflow passes through the circular air inlet cavity 7, and drive turbine blade 13 to rotate, wherein the laser lamp emitter 14 passes through the magnet rotor in the turbine blade 13 and rotates around the coil stator in the fixed shaft 12, and generates electromagnetic induction to provide power supply for the laser lamp emitter 14.

[0015] It is apparent to those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and that the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Accordingly, the embodiments are to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are intended to be embraced therein.

Claims

1. An emergency whistle, comprising a whistle body (1), a sound emitting cavity (2), a striking metal ball (3), a side air outlet hole (4), a front air outlet hole (5), an air inlet cavity (6), a circular air inlet cavity (7), a one-way air inlet valve (8), a mouthpiece (9), characterized in that: The whistle body (1) is internally provided with sound generating cavities (2) on both sides, the sound generating cavities (2) are internally provided with impact metal balls (3), the whistle body (1) is provided with side air outlet holes (4) on both sides, the side air outlet holes (4) are respectively communicated with the sound generating cavities (2) on the same side, the whistle body (1) is provided with front air outlet holes (5) on both sides, the front air outlet holes (5) are respectively communicated with the sound generating cavities (2) on the same side, the whistle body (1) is internally provided with an air inlet cavity (6) at the rear end, the air inlet cavity (6) is internally provided with a circular air inlet cavity (7) at the center, the circular air inlet cavity (7) is communicated with the sound generating cavities (2) at the front end, the air inlet cavity (6) is provided with a mouthpiece (9) at the side through a one-way air inlet valve (8), and the one-way air inlet valve (8) is communicated with the circular air inlet cavity (7) at the side.

2. The emergency distress sound whistle of claim 1, wherein: The emergency whistle further comprises an air bag (10) and a one-way air inlet (11), the air inlet cavity (6) is provided with the air bag (10) at the rear end, and the air bag (10) is communicated with the circular air inlet cavity (7) at the rear end of the air inlet cavity (6), and the air bag (10) is provided with the one-way air inlet (11) at the center of the rear end.

3. The emergency distress sound whistle of claim 2, wherein: The emergency whistle further comprises a fixed shaft (12), turbine blades (13), a laser light emitter (14) and a laser light emitting slot (15), the circular air inlet cavity (7) is internally provided with the fixed shaft (12) at the center, the fixed shaft (12) is externally provided with the turbine blades (13), the whistle body (1) is internally provided with the laser light emitter (14) at the center, and the whistle body (1) is internally provided with the laser light emitting slot (15) at the center, the fixed shaft (12) is internally provided with a coil stator, and the turbine blades (13) are internally provided with a magnet rotor at one side, when the magnet rotor in the turbine blades (13) rotates around the coil stator in the fixed shaft (12), electromagnetic induction is generated to provide power for the laser light emitter (14).

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