CN214550699U

CN214550699U - Composite autonomous respirator

Info

Publication number: CN214550699U
Application number: CN202120574946.4U
Authority: CN
Inventors: 徐国风; 吴晚琼
Original assignee: Guangzhou Yishan New Material Technology Co ltd
Current assignee: Guangzhou Yishan New Material Technology Co ltd
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2021-11-02
Anticipated expiration: 2031-03-22

Abstract

The utility model discloses a compound autonomic respirator, its face guard and conversion module are connected through tracheal mechanism between with, filter breathing module, the inner loop breathing module then links to each other with conversion module respectively, it is integrative to compound with filtration formula respirator and chemical oxygen respirator, conversion module wherein has rotary switch, through rotating rotary switch, can switch face guard intercommunication and filter breathing module or inner loop breathing module, thereby the user can be according to the operation environmental condition of reality, in time adjust and use suitable breathing module, obtain effectual protection.

Description

Composite autonomous respirator

Technical Field

The utility model belongs to the breathing apparatus field, more specifically relates to a compound autonomic respirator.

Background

Protective respirators on the market at present are generally divided into filtering respirators and isolating respirators, the functions of the filtering respirators and the isolating respirators are single, but the environmental conditions to be protected in actual conditions are different. If the user is only prepared with a filtering respirator, however, the filtering respirator cannot be used properly because the conditions of the toxic environment are not clear; on the other hand, although the isolated respirator does not need to consider the external environment, the isolated respirator is high in price, and under the ordinary toxic environment condition, the isolated respirator is obviously used, so that the cost is obviously wasted.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a composite autonomous respirator that allows a user to switch breathing systems according to environmental conditions.

According to a first aspect of the present invention, there is provided a composite autonomous respirator, comprising a face mask, a conversion module, a filtering respiration module and an internal circulation respiration module, wherein the conversion module is connected with the face mask through a tracheal mechanism, the filtering respiration module is connected with the conversion module, and the internal circulation respiration module is connected with the conversion module; the conversion module comprises a rotary switch, the rotary switch is rotated, and the face mask is switched to be communicated with the filtering respiratory system or the internal circulation respiratory system.

The utility model discloses a technical scheme has following advantage or one of beneficial effect at least among the above-mentioned technical scheme: among this compound autonomic respirator, face guard and conversion module with between be connected through trachea mechanism, filter breathing module, the inner loop breathing module then links to each other with conversion module respectively, it is compound to an organic whole with filtration formula respirator and chemical oxygen respirator, conversion module wherein has rotary switch, through rotating rotary switch, can switch face guard intercommunication and filter breathing module or inner loop breathing module, thereby the user can be according to the operation environmental condition of reality, in time adjust and use suitable breathing module, obtain effectual protection.

According to the utility model discloses in the embodiment of the first aspect, the conversion module still include a pair of with the valve body that rotary switch links to each other, form first interface and second interface on the valve body, first interface connection filter the breathing module, just the second interface connection the inner loop breathing module rotates rotary switch control first interface with the alternative of second interface is opened.

According to the embodiment of the first aspect of the present invention, the first interface and the second interface are respectively located at two ends of the valve body, the rotary switch includes a rotating shaft, the rotating shaft penetrates through two ends of the valve body, a first blocking piece and a second blocking piece are fixed on the rotating shaft, the first interface is opened, and the second blocking piece closes the second interface; the second interface is opened, and the first blocking piece closes the first interface.

According to the utility model discloses the embodiment of the first aspect, the pivot with the bearing is installed to the junction of valve body, the bearing overcoat is equipped with the sealing washer.

According to the utility model discloses in the embodiment of the first aspect, the conversion module filtration breathing module reaches the internal circulation breathing module is assembled in a box body, the one end of pivot is worn out the box body.

According to the utility model discloses in the embodiment of the first aspect, the pivot is worn out the knob is installed at the position of box body.

According to the embodiment of the first aspect of the present invention, one of the valve bodies is an inhalation valve, the other valve body is an exhalation valve, the tracheal mechanism includes an inhalation tube and an exhalation tube, the inhalation valve is connected to the inhalation tube, and the exhalation valve is connected to the exhalation tube.

According to an embodiment of the first aspect of the present invention, the filtering and breathing module comprises at least one filtering canister, the filtering canister being connected to the first port of the inhalation valve.

According to the utility model discloses in the embodiment of the first aspect, the internal circulation respiratory module is including the chemical oxygen medicinal cupping and the gasbag that connect gradually, the chemical oxygen medicinal cupping with the second interface intercommunication of expiratory valve, the gasbag with the second interface intercommunication of inspiratory valve.

According to an embodiment of the first aspect of the present invention, a cooling device is provided between the air bag and the suction valve.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

FIG. 1 is a view showing an internal structure of a first embodiment of a composite type autonomous respirator of the present invention;

fig. 2 is a partially cut-away structural view of a conversion module of the hybrid self-respirator of the first embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, and may be, for example, a fixed connection or a movable connection, a detachable connection or a non-detachable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other elements or indirectly connected through one or more other elements or in an interactive relationship between two elements.

The following disclosure provides many different embodiments or examples for implementing different aspects of the invention.

Referring to fig. 1 and 2, the first aspect of the present invention provides a compound autonomous respirator, which comprises a face mask 1, a conversion module 2, a filtering respiration module and an internal circulation respiration module, wherein the conversion module 2 is connected with the face mask 1 through a tracheal mechanism, the filtering respiration module is connected with the conversion module 2, and the internal circulation respiration module is connected with the conversion module 2.

Specifically, the conversion module 2 comprises a rotary switch 21, the rotary switch 21 is rotated, and the switching mask 1 is communicated with a filtering respiratory system or an internal circulation respiratory system.

The utility model discloses a compound autonomic respirator, its face guard 1 and conversion module 2 are connected through tracheal mechanism between with, filter the breathing module, the inner loop breathing module then links to each other with conversion module 2 respectively, it is integrative to compound with filtration formula respirator and chemical oxygen respirator, conversion module 2 wherein has rotary switch 21, through rotating rotary switch 21, 1 intercommunication filtration breathing module or the inner loop breathing module of changeable face guard promptly, thereby the user can be according to actual operation environmental condition, in time adjust and use suitable breathing module, obtain effectual protection.

Referring to fig. 1, in some embodiments, the conversion module 2 further includes a pair of valve bodies 22 connected to the rotary switch 21, the valve bodies 22 form a first port 221 and a second port 222, the first port 221 is connected to the filtering respiration module, the second port 222 is connected to the internal circulation respiration module, and the rotary switch 21 is rotated to control one of the first port 221 and the second port 222 to be turned on. Specifically, as shown in fig. 2, the first interface 221 and the second interface 222 are respectively located at two ends of the valve body 22, wherein the rotary switch 21 includes a rotating shaft 211, the rotating shaft 211 penetrates through two ends of the valve body 22, a first blocking piece 212 adapted to the first interface 221 and a second blocking piece 213 adapted to the second interface 222 are fixed on the rotating shaft 211, and the first blocking piece 212 and the second blocking piece 213 can rotate along with the rotating shaft 211. It is understood that when the first port 221 is opened, the second flap 213 closes the second port 222; when the second port 222 is opened, the first blocking piece 212 closes the first port 221. Further, in this embodiment, an included angle of 180 ° is formed between the first interface 221 and the second interface 222, and the first blocking piece 212 and the second blocking piece 213 are both disposed inside the valve body 22, wherein, in order to better define the rotation stroke of the first blocking piece 212 and the second blocking piece 213, a limiting component is disposed inside the valve body 22, specifically, the limiting component includes a limiting plate 223 fixed on the inner wall of each end of the valve body 22, when the first blocking piece 212 (the second blocking piece 213) rotates to be connected to the limiting plate, the limiting plate prevents the first blocking piece 212 (the second blocking piece 213) from continuing to rotate in the same direction, and at this time, the first blocking piece 212 (the second blocking piece 213) will stay at a position closing the first interface 221 (the second interface 222). In order to ensure that the first port 221/the second port 222 can be completely closed by the first blocking piece 212/the second blocking piece 213, and avoid the occurrence of the air leakage condition, sealing rings 224 are respectively arranged on the positions of the inner wall of the valve body 22 surrounding the first port 221 and the second port 222.

More specifically, referring to fig. 2, in order to ensure the smooth rotation of the rotating shaft 211, a bearing 225 is installed at the joint of the rotating shaft 211 and the valve body 22, wherein a sealing ring is further sleeved outside the bearing 225 to ensure the tightness inside the valve body 22 to be maintained, and prevent the occurrence of air leakage.

In some embodiments, as shown in fig. 1, the conversion module 2, the filtering breathing module and the internal circulation breathing module are assembled in a box body 6, one end of the rotating shaft 211 penetrates out of the box body 6, and further, a knob is installed at a position where the rotating shaft 211 penetrates out of the box body 6, and the knob is arranged, so that a user can conveniently rotate the rotating shaft 211, and the user can conveniently switch the breathing module to be applied.

One of the valve bodies 22 is an inhalation valve, the other valve body 22 is an exhalation valve, the tracheal mechanism comprises an inhalation tube 51 and an exhalation tube 52, the inhalation tube 51 is connected with the inhalation valve, and the exhalation tube 52 is connected with the exhalation valve. In this embodiment, the filtering respiration module includes two filtering canisters 31, each filtering canister 31 is connected to the first port 221 of the inhalation valve, and the first port 221 of the exhalation valve is directly connected to the atmosphere. If the user switches the face guard 1 and communicates when filtering the breathing module, when the user exhales, waste gas will flow to external atmosphere through the expiration valve, and when the user breathes in, external contaminated air filters the back through filtering medicine jar 31, gets into the human body through inspiration valve and breathing pipe 51 again.

Further, in this embodiment, the internal circulation respiration module includes a chemical oxygen canister 41 and an air bag 42 connected in sequence, the chemical oxygen canister 41 is communicated with the second port 222 of the exhalation valve, and the air bag 42 is communicated with the second port 222 of the inhalation valve. Wherein a cooling device 43 is further provided between the air bag 42 and the suction valve. If the user switches the face mask 1 to communicate with the internal circulation breathing module, the exhaust gas exhaled by the user firstly passes through the chemical oxygen canister 41, CO2 in the exhaust gas reacts with the medicine in the chemical oxygen canister 41 to generate oxygen, and the oxygen enters the air bag 42, is cooled by the cooling device 43, and then flows back to the face mask 1 for the user to breathe.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. Compound autonomic respirator, its characterized in that includes:

a face mask;

the conversion module is connected with the mask through a trachea mechanism;

the filtering and breathing module is connected with the conversion module; and

the internal circulation breathing module is connected with the conversion module;

the conversion module comprises a rotary switch, the rotary switch is rotated, and the face mask is switched to be communicated with the filtering breathing module or the internal circulation breathing module.

2. The compound self-respirator of claim 1, wherein: the conversion module further comprises a pair of valve bodies connected with the rotary switch, a first interface and a second interface are formed on the valve bodies, the first interface is connected with the filtering respiration module, the second interface is connected with the internal circulation respiration module, and the rotary switch is rotated to control the first interface and the second interface to be opened.

3. A composite-type self-contained respirator according to claim 2, wherein: the first interface and the second interface are respectively positioned at two ends of the valve body, the rotary switch comprises a rotating shaft, the rotating shaft penetrates through two ends of the valve body, a first blocking piece and a second blocking piece are fixed on the rotating shaft, the first interface is opened, and the second blocking piece closes the second interface; the second interface is opened, and the first blocking piece closes the first interface.

4. A composite self-contained respirator according to claim 3, wherein: the pivot with the bearing is installed to the junction of valve body, the bearing overcoat is equipped with the sealing washer.

5. A composite self-contained respirator according to claim 3, wherein: the conversion module, the filtering respiration module and the internal circulation respiration module are assembled in a box body, and one end of the rotating shaft penetrates out of the box body.

6. The compound self-respirator of claim 5, wherein: the part of the rotating shaft penetrating out of the box body is provided with a knob.

7. A composite-type self-contained respirator according to claim 2, wherein: one of the valve bodies is an inhalation valve, the other valve body is an exhalation valve, the tracheal mechanism comprises an inhalation tube and an exhalation tube, the inhalation tube is connected with the inhalation valve, and the exhalation tube is connected with the exhalation valve.

8. The compound self-respirator of claim 7, wherein: the filtration and respiration module comprises at least one filtration medicine tank, and the filtration medicine tank is connected with the first interface of the inhalation valve.

9. The compound self-respirator of claim 7, wherein: the internal circulation breathing module comprises a chemical oxygen medicine tank and an air bag which are sequentially connected, the chemical oxygen medicine tank is communicated with the second interface of the expiratory valve, and the air bag is communicated with the second interface of the inspiratory valve.

10. A composite-type autonomous respirator according to claim 9, characterized in that: and a cooling device is arranged between the air bag and the air suction valve.