CN108853826A - A kind of hand-held emergency respiratory protection tank - Google Patents

Abstract

A hand-held emergency respiratory protection tank, comprising: a mask part, a hand-held part and a bottom cover; the mask part includes a breathing chamber and a circulation chamber arranged at the lower part of the breathing chamber, the circulation chamber is connected to the breathing chamber; the hand-held part is sleeved in the circulation chamber On the outside, the bottom of the hand-held part is detachably connected to the bottom cover; a replaceable compressed air tank with oxygen storage is arranged inside the hand-held part. The valve can be rotated and opened with the rotation of the shell of the handle part, so that the compressed air tank communicates with the circulation chamber; the mask part also includes a ventilating part, and a one-way open check valve is arranged at the communicating part of the ventilating part and the breathing chamber. It is used for emergency use in crisis situations such as fires and toxic gas leaks. The handheld emergency breathing protective tank can not only avoid inhalation of toxic fumes or gases, but also provide safe and reliable clean compressed air to help people escape from dangerous situations safely.

Description

A hand-held emergency breathing protective tank

technical field

The invention relates to the technical field of emergency devices, in particular to a hand-held emergency breathing protection tank.

Background technique

When a fire or a toxic chemical leak occurs, the greatest harm is poor breathing and poisonous smoke or gas. Existing personal protective equipment for firefighting is often equipped with masks and filters for filtering toxic gases. People's respiratory organs provide protection; but this approach is not enough. When danger occurs, escaped people still face difficulty in breathing, especially when the fire is large or the toxic smoke is thick, hypoxia is prone to occur.

Contents of the invention

This application provides a hand-held emergency respiratory protective tank, which is used for emergency use in crisis situations such as fire and toxic gas leakage. The handheld emergency respiratory protective tank can not only avoid inhalation of toxic smoke or gas, but also provide safe and reliable clean compression Air, helping people escape from dangerous scenes safely.

According to the first aspect, a hand-held emergency breathing protective tank is provided in an embodiment, comprising: a mask part, a hand-held part and a bottom cover; the mask part includes a breathing chamber and a flow chamber arranged at the lower part of the breathing chamber, the The circulation cavity communicates with the breathing cavity; the hand-held part is sleeved outside the flow-through cavity and connected to the mask part, the shell of the hand-held part is rotatable, and the bottom of the hand-held part is detachably connected to the bottom cover; A replaceable compressed air tank containing oxygen is arranged inside the handle, and a rotary valve is provided on the top of the compressed air tank, and the rotary valve is connected with the shell of the handle. The shell is rotated and opened, so that the compressed air tank communicates with the circulation chamber; the mask part also includes a ventilating part, and a check valve is arranged at the place where the ventilating part communicates with the breathing chamber, and the ventilating part is also provided with a ventilating hole, and the check valve opens in one direction towards the vent hole.

In some embodiments, in the flow chamber, an air cover is provided above the mouth of the compressed air tank and the rotary valve, and a thimble is provided on the inner wall of the flow chamber, and the thimble is connected with the air cover for pressing Tighten the air cap.

In some embodiments, the shell shape of the handle includes a cylindrical shape or a square shape.

In some embodiments, the outer wall of the housing of the handle is provided with anti-skid lines or hand-shaped grooves for easy gripping.

In some embodiments, the outer wall of the housing of the handle is provided with a fluorescent strip.

In some embodiments, the bottom of the handle is screwed to the bottom cover.

In some embodiments, the bottom cover is provided with an LED light ring and a light switch.

In some embodiments, the mask portion is also provided with a head strap.

According to the second aspect, an embodiment provides a hand-held emergency breathing protective tank comprising: a mask part, a hand-held part and a bottom cover; the mask part includes a breathing chamber and a flow chamber arranged at the lower part of the breathing chamber The cavity communicates with the breathing cavity; the hand-held part is sleeved on the outside of the circulation cavity and is detachably connected to the mask part;

A replaceable compressed air tank storing oxygen is arranged inside the hand-held part. The compressed air tank communicates with the flow chamber through a telescopic oxygen tube. The outer wall of the flow chamber is provided with an oxygen valve. Open the oxygen valve to Make the oxygen in the compressed air tank flow into the breathing chamber through the oxygen tube; the mask part also includes a ventilating part, a check valve is arranged at the communication part between the ventilating part and the breathing chamber, and the ventilating part is also provided with a vent hole. The check valve is unidirectionally opened toward the vent hole.

In some embodiments, the mask portion is also provided with a head strap.

According to the above-mentioned embodiment, since the hand-held emergency breathing protection tank of the present application is provided with a replaceable compressed air tank with oxygen stored in the hand-held part, it can provide the user with the oxygen needed for breathing after opening the rotary valve, and A one-way open check valve is set on the mask part to prevent the user from inhaling toxic fumes or gases; the oxygen stored in the compressed air tank can help the user escape from the dangerous scene safely. Easy-to-change compressed air tanks make the hand-held emergency breathing protection tank reusable.

Description of drawings

Fig. 1 is a three-dimensional schematic diagram of a hand-held emergency breathing protective tank of an embodiment;

Fig. 2 is a sectional view of a hand-held emergency breathing protective tank of an embodiment;

Fig. 3 is a schematic diagram of the opening of a hand-held emergency breathing protection tank of an embodiment;

Fig. 4 is a schematic diagram of oxygen circulation after the hand-held emergency breathing protective tank of an embodiment is opened;

Fig. 5 is a schematic diagram of the principle of the check valve of the hand-held emergency breathing protective tank of an embodiment;

Fig. 6 is a schematic diagram of the working state of the check valve of the hand-held emergency breathing protective tank of an embodiment;

Fig. 7 is a schematic diagram of replacing the compressed air tank of the hand-held emergency respiratory protective tank according to an embodiment.

Detailed ways

The present invention will be further described in detail below through specific embodiments in conjunction with the accompanying drawings. Wherein, similar elements in different implementations adopt associated similar element numbers. In the following implementation manners, many details are described for better understanding of the present application. However, those skilled in the art can readily recognize that some of the features can be omitted in different situations, or can be replaced by other elements, materials, and methods. In some cases, some operations related to the application are not shown or described in the description, this is to avoid the core part of the application being overwhelmed by too many descriptions, and for those skilled in the art, it is necessary to describe these operations in detail Relevant operations are not necessary, and they can fully understand the relevant operations according to the description in the specification and general technical knowledge in the field.

In addition, the characteristics, operations or characteristics described in the specification can be combined in any appropriate manner to form various embodiments. At the same time, the steps or actions in the method description can also be exchanged or adjusted in a manner obvious to those skilled in the art. Therefore, the various sequences in the specification and drawings are only for clearly describing a certain embodiment, and do not mean a necessary sequence, unless otherwise stated that a certain sequence must be followed.

The serial numbers assigned to components in this document, such as "first", "second", etc., are only used to distinguish the described objects, and do not have any sequence or technical meaning. The "connection" and "connection" mentioned in this application all include direct and indirect connection (connection) unless otherwise specified.

Embodiment one:

Please refer to FIG. 1 to FIG. 6 , the present application provides a hand-held emergency breathing protective tank, including: a mask part 1 , a handle part 2 and a bottom cover 3 .

The mask part 1 includes a breathing cavity 10 and a flow cavity 18 arranged at the lower part of the breathing cavity 10 , the flow cavity 18 communicates with the breathing cavity 10 . The handle part 2 is sleeved on the outside of the flow chamber 18 and connected to the mask part 1 . The shell 21 of the handle part is rotatable, and the bottom of the handle part 2 is detachably connected to the bottom cover 3 . A replaceable compressed air tank 20 storing oxygen is arranged in the hand-held part 2, and a rotary valve 22 is arranged on the top of the compressed air tank 20. The rotary valve 22 is connected with the hand-held part shell 21, and the rotary valve 22 can be rotated and opened with the rotation of the handle shell 21. As shown in Figures 3 and 4, after rotating the handpiece shell 21 to open the rotary valve 22, the compressed air tank 20 can communicate with the circulation chamber 18, and because the circulation chamber 18 communicates with the breathing chamber 10, the air in the compressed air tank 20 Oxygen flows upward from the mouth of the tank into the breathing chamber 10 for the user to breathe. The mask part 1 also includes: a ventilating part 11, a check valve 12 is arranged at the place where the ventilating part 11 communicates with the breathing cavity, and the ventilating part 11 is also provided with a vent hole 14, as shown in Figures 5 and 6, the check valve 12 only It can be opened unidirectionally toward the vent hole 14, so that while the user's exhaled gas is discharged from the breathing chamber 10, it can also prevent external air from entering the breathing chamber 10, which can prevent fires, toxic gas leakage and other crisis scenarios. User inhales toxic fumes or gas.

It can be seen that, since the hand-held emergency breathing protection tank of the present application is provided with a replaceable compressed air tank 20 stored in the hand-held part 2, after the rotary valve 22 is opened, the user can be provided with the necessary air for breathing. Oxygen, and a one-way open check valve 12 is provided on the mask part 1 to prevent the user from inhaling toxic smoke or gas; the oxygen stored in the compressed air tank 20 can help the user escape from the dangerous scene safely, because the bottom of the hand-held part 2 and the The bottom cover 3 is detachably connected, and the compressed air tank 20 that can be easily replaced makes the hand-held emergency breathing protection tank reusable.

In some embodiments, in the flow chamber 18, an air cover 23 is arranged above the tank mouth of the compressed air tank 20 and above the rotary valve 22, and a thimble 13 is arranged on the inner wall of the flow chamber 18, and the thimble 13 is connected with the air cover 23 for use. Because of pressing the air cover 23, it can be ensured that only when the rotary valve 22 is opened, the oxygen in the compressed air tank 20 flows upwards, which plays a sealing effect and prevents oxygen from leaking.

In some embodiments, the shape of the shell 21 of the handle includes, but is not limited to, a cylindrical shape, a square shape, and other shapes that are convenient for rotation and gripping.

In some embodiments, the outer wall of the housing 21 of the handle is provided with anti-skid lines or hand-shaped grooves for easy gripping.

In some embodiments, a fluorescent strip 24 is provided on the outer wall of the outer shell 21 of the hand-held part, which can indicate the position of the hand-held emergency respiratory protective tank for the user in the case of insufficient light.

As shown in FIG. 7 , in some embodiments, the bottom of the handle 2 is screwed to the bottom cover 3 , and the bottom cover 3 can be unscrewed to replace the compressed air tank 20 .

In some embodiments, the bottom cover 3 is provided with an LED light ring 31 and a light switch 32, and when the light switch 32 is turned on, the LED light ring 31 can provide ground lighting for the user when the user is using a hand-held emergency breathing protective tank, which is convenient for use Those who choose a way to escape.

In some embodiments, the mask part 1 is also provided with a head fixing strap (not shown) for fixing the mask part 1 on the head for easy breathing.

Embodiment two:

The present application also provides another hand-held emergency respiratory protection tank, which includes: a mask part 1 , a handle part 2 and a bottom cover 3 . The mask part 1 includes a breathing chamber 10 and a flow chamber 18 arranged at the bottom of the breathing chamber 10. The flow chamber 18 communicates with the breathing chamber 10; A replaceable compressed air tank 20 storing oxygen is arranged in the handpiece 2. The compressed air tank 20 communicates with the flow chamber 18 through a telescopic oxygen tube (not shown), and the outer wall of the flow chamber 18 is provided with an oxygen valve ( not shown), open the oxygen valve, so that the oxygen in the compressed air tank 20 can flow into the breathing chamber 10 through the oxygen tube.

The difference from Embodiment 1 is that the hand-held emergency respiratory protection tank of this embodiment can not only be used as a whole by hand holding it as in Embodiment 1, but also the hand-held part 2 and the mask part 1 can be disassembled and separated. use. Wherein, when used as a whole, the stretchable oxygen tube is accommodated in the flow chamber 18 as an oxygen flow duct; as a conduit for oxygen flow. It can be seen that the hand-held emergency respiratory protection tank of this embodiment is easy to use, can be recycled, and can be used as outdoor equipment and as a temporary oxygen tank.

In some embodiments, the mask part 1 can also be provided with a head fixing belt, which can not only be used to fix the mask part 1 on the head for easy breathing, but also release hands. In particular, when used in separate parts outdoors, the hand-held part 2 provided with the compressed air tank 20 can be placed in a backpack to release both hands.

The above uses specific examples to illustrate the present invention, which is only used to help understand the present invention, and is not intended to limit the present invention. For those skilled in the technical field to which the present invention belongs, some simple deduction, deformation or replacement can also be made according to the idea of the present invention.

Claims (10)

1. A hand-held emergency breathing protective tank, characterized in that, comprises: a face shield portion, a hand-held portion and a bottom cover; the face shield portion comprises a breathing chamber and a circulation chamber arranged at the bottom of the breathing chamber, and the circulation chamber and the breathing chamber connected; the hand-held part is sleeved on the outside of the flow chamber and connected to the mask part; the shell of the hand-held part is rotatable, and the bottom of the hand-held part is detachably connected to the bottom cover; the hand-held part is provided with A replaceable compressed air tank that stores oxygen, the tank mouth on the upper part of the compressed air tank is provided with a rotary valve, the rotary valve is connected with the handle shell, the rotary valve can rotate with the handle shell and Open, so that the compressed air tank communicates with the circulation chamber; the mask part also includes a ventilating part, a check valve is arranged at the place where the ventilating part communicates with the breathing chamber, and the ventilating part is also provided with a ventilating hole. The return valve is unidirectionally opened toward the vent hole. 2. The emergency breathing protective tank according to claim 1, wherein, in the circulation chamber, an air cover is arranged above the mouth of the compressed air tank and the rotary valve, and a thimble is also arranged on the inner wall of the circulation chamber , the thimble is connected with the gas cap for pressing the gas cap. 3. The emergency breathing protection tank according to claim 1, wherein the shape of the shell of the handle part includes a cylindrical shape or a square shape. 4. The emergency breathing protection tank according to claim 1, wherein the outer shell of the handle part is provided with anti-slip lines or hand-shaped grooves for easy gripping. 5 . The emergency breathing protection tank according to claim 1 , wherein a fluorescent band is arranged on the outer shell wall of the handle. 6 . 6. The emergency breathing protection tank according to claim 1, characterized in that, the bottom of the handle part is screwed to the bottom cover. 7. The emergency breathing protection tank according to claim 1, wherein the bottom cover is provided with an LED light ring and a light switch. 8. The emergency breathing protection tank according to claim 1, wherein the mask part is also provided with a head fixing belt. 9. A hand-held emergency breathing protective tank, characterized in that it comprises: a face shield portion, a hand-held portion and a bottom cover; the face shield portion comprises a breathing cavity and a circulation cavity arranged at the bottom of the breathing cavity, and the circulation cavity and the breathing cavity connected; the handle part is sleeved on the outside of the flow chamber and is detachably connected to the mask part; A replaceable compressed air tank storing oxygen is arranged inside the hand-held part. The compressed air tank communicates with the flow chamber through a telescopic oxygen tube. The outer wall of the flow chamber is provided with an oxygen valve. Open the oxygen valve to Make the oxygen in the compressed air tank flow into the breathing chamber through the oxygen tube; the mask part also includes a ventilating part, a check valve is arranged at the communication part between the ventilating part and the breathing chamber, and the ventilating part is also provided with a vent hole. The check valve is unidirectionally opened toward the vent hole. 10. The emergency breathing protective tank according to claim 1, wherein the mask part is also provided with a head fixing belt.