Air respirator mask and system

Abstract

The utility model belongs to the technical field of emergency rescue, and particularly relates to an air respirator mask and a system. The air respirator mask comprises a mask body and a transparent face mirror, a mouth and nose mask is arranged in an inner cavity of the mask body, an air circulation area is formed between the outer portion of the mouth and nose mask and the inner side of the face mirror, two air suction valve plates are symmetrically arranged on the mouth and nose mask, and a double-mouth breathing seat is arranged on the face mirror. The double-port breathing seat is provided with an inspiration valve connector and an exhalation valve connector, the inspiration valve connector is used for being connected with an air respirator air bottle and an air supply valve of the air respirator air bottle, and the inspiration valve connector is used for being connected with an exhalation valve seat which can be freely inserted and detached. By designing the double-port breathing seat and the exhalation valve seat capable of being freely inserted and detached, when gas in air exhalation is completely consumed, on the premise that an air respirator mask and an air supply valve of the air respirator mask are not detached, the exhalation valve seat is pulled out, and a chemical oxygen respirator is inserted into an exhalation valve interface, so that closed-loop type oxygen support can be provided for a wearer; and the respiratory protection time of rescuers is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of emergency rescue, and particularly relates to an air respirator mask and system. BACKGROUND

[0002] As basic breathing protection equipment for fire rescue personnel, air respirators are used to meet the breathing protection needs of fire rescue personnel in oxygen-deficient and toxic environments during rescue. The biggest defect of the currently equipped air respirator is short protection time, and the actual protection time is about 20-25 minutes. In a toxic and oxygen-deficient environment, once the air in the air respirator cylinder worn by the rescue personnel is consumed, if there is no other convenient and quick oxygen supply equipment connected to the body mask, the rescue personnel may be sacrificed if they do not escape in time. SUMMARY

[0003] The utility model discloses a kind of air respirator masks and systems, to solve the problem of short protection time of air respirator in prior art, and closed-circuit oxygen can be supplied to the personnel wearing under the premise that air respirator cylinder and its gas supply valve are not removed, effectively prolong the breathing protection time of rescue personnel.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] An air respirator mask includes a mask body and a face mirror installed on the mask body.

[0006] The inner cavity of the face mirror is provided with a mouth and nose cover.

[0007] The gas flow area is formed between the outside of the mouth and nose cover and the inner side of the face mirror, and the mouth and nose cover is provided with an inhalation valve piece.

[0008] The face mirror is also provided with a double-port breathing seat, the double-port breathing seat is provided with an inhalation valve interface and an exhalation valve interface, and the structures and sizes of the two interfaces are completely consistent.

[0009] The inhalation valve interface is used to connect air respirator cylinder and its gas supply valve and communicate with the gas flow area.

[0010] The exhalation valve interface is used to connect exhalation valve seat and chemical oxygen respirator, and the exhalation valve interface directly communicates with the inside of the mouth and nose cover.

[0011] The exhalation valve seat is internally provided with an exhalation one-way valve piece, which is inserted into the exhalation valve interface when the user only uses the air respirator cylinder to supply air, and is used for discharging the exhaled air of the user, and when the air respirator cylinder of the user is exhausted, the exhalation valve seat is pulled out and the chemical oxygen respirator is inserted, which is connected to the mask body through a wire to prevent the chemical oxygen respirator from falling off when pulled out.

[0012] Optionally, the face mask body is made of soft material and is arranged at a position around the mask body to be air-tightly attached to the face of the user when worn.

[0013] Optionally, the double-port breathing seat is divided into an upper connecting seat and a lower connecting seat, and the upper connecting seat and the lower connecting seat are connected by bolts.

[0014] Optionally, the connecting piece is arranged at an edge position on the mask body, and the head net is arranged to protect the head and is connected to the connecting piece through a drawstring to tighten the face mask body and ensure that the mask is air-tightly attached to the respiratory system of the user.

[0015] Optionally, a plurality of connecting pieces are arranged at positions on both sides and the top of the mask body.

[0016] Optionally, the exhalation valve seat is tied to the mask body by a connecting rope.

[0017] Optionally, the inhalation valve interface is provided with a communication film.

[0018] The second aspect of the utility model provides an air respirator mask system, which comprises:

[0019] The chemical oxygen respirator is used for supplying oxygen to the user when the oxygen in the air respirator cylinder is exhausted without dismounting the air respirator cylinder and the air supply valve thereof, pulling out the exhalation valve seat, and quickly inserting the exhalation valve seat into the exhalation valve seat interface.

[0020] The air respirator cylinder is filled with air and is used for supplying clean air to the user through the inhalation valve interface.

[0021] The air respirator mask is provided.

[0022] The air respirator cylinder is air-tightly connected to the inhalation valve interface of the air respirator mask through the air supply valve and the inhalation valve interface, the air supply valve of the air respirator is rotatable, and the chemical oxygen respirator is detachably connected to the exhalation valve interface of the air respirator mask.

[0023] Optionally, the chemical oxygen respirator comprises a gas bag, an oxygen generation tank, an inhalation connector, an exhalation connector, an oxygen generation agent, filter cotton and an oxygen outlet, one end of the oxygen generation tank is provided with the inhalation connector and the exhalation connector, the other end is provided with the oxygen outlet, the gas bag is communicated with the oxygen outlet and the inhalation connector, the oxygen generation tank is provided with the oxygen generation agent, the exhalation connector is communicated with the oxygen generation tank, and the exhalation connector is provided with an exhalation one-way valve piece, the inhalation connector is communicated with the exhalation connector, and the inhalation connector is provided with an inhalation one-way valve piece.

[0024] Optionally, the oxygen generation tank is provided with an initial oxygen generation device, the oxygen generation agent generates oxygen slowly in the initial stage, and the initial oxygen generation device can quickly generate part of oxygen to provide oxygen required by a user before wearing.

[0025] Optionally, the gas bag is provided with a pressure relief valve to discharge excess gas and prevent high exhalation resistance.

[0026] Optionally, the filter cotton is arranged at the top and bottom of the oxygen generation agent.

[0027] The beneficial effects of the utility model are as follows:

[0028] 1. The double-port breathing seat can be connected with the air respirator and the chemical oxygen respirator, the breathing protection time of the rescuer in the oxygen-deficient and toxic and harmful environment can be significantly prolonged, the rescue efficiency and the safety of the rescuer are improved, and the chemical oxygen respirator provides an additional oxygen source for the rescuer.

[0029] 2. The exhalation valve seat is freely inserted and detached, the chemical oxygen respirator can be quickly and conveniently inserted into the exhalation valve interface of the face mask under the premise that the air respirator cylinder and the gas supply valve are not detached, the continuous oxygen support is provided for the rescuer, and the protection time of the rescuer in the oxygen-deficient and toxic and harmful environment is prolonged.

[0030] In conclusion, the system comprising the air respirator face mask comprises the chemical oxygen respirator, is a closed-loop oxygen supply breathing protection equipment, can significantly prolong the breathing protection time of the rescuer in the oxygen-deficient and toxic and harmful environment, improve the rescue efficiency and the life safety of the rescuer, and provide an additional oxygen source for the rescuer through the integrated chemical oxygen respirator; the chemical oxygen respirator has a weight of less than or equal to 1 kg, is convenient and quick to use, can be quickly and conveniently inserted into the exhalation valve seat interface of the air respirator face mask under the premise that the air respirator cylinder and the gas supply valve are not detached when the gas in the air respirator cylinder is about to be consumed, provides the oxygen support for the rescuer, prolongs the protection time of the rescuer in the oxygen-deficient and toxic and harmful environment, and wins valuable time for the safe evacuation of the rescuer. BRIEF DESCRIPTION OF DRAWINGS

[0031] The drawings accompanying the specification of this application serve to provide further understanding of the present application, the illustrative embodiments of the present application and their descriptions serve to explain the present application, and do not constitute an improper limitation on the present application. In the drawings:

[0032] Figure 1 It is a schematic view of an air respirator mask according to an embodiment of the present application;

[0033] Figure 2 It is a perspective view of a double-port breathing seat of an air respirator mask according to an embodiment of the present application;

[0034] Figure 3 It is a structural schematic view of a double-port breathing seat of an air respirator mask according to an embodiment of the present application;

[0035] Figure 4 It is a perspective view of a mouth-nose cover of an air respirator mask according to an embodiment of the present application;

[0036] Figure 5 It is a schematic view of an air respirator mask according to an embodiment of the present application when supplying air;

[0037] Figure 6 It is a schematic view of an air respirator mask system according to an embodiment of the present application;

[0038] Figure 7 It is a schematic view of a chemical oxygen respirator of an air respirator mask according to an embodiment of the present application.

[0039] Wherein: 1, face mirror; 2, mask main body; 3, face cover; 4, head net; 5, draw belt; 6, double-port breathing seat; 61, upper connecting seat; 62, lower connecting seat; 63, connecting bolt; 64, buckle; 65, button; 66, avoiding slot; 7, intercom film; 8, mouth-nose cover; 81, inhalation valve piece; 9, air inlet groove; 10, exhalation valve seat; 11, sealing groove; 12, inhalation valve interface; 13, exhalation valve interface; 14, chemical oxygen respirator; 141, oxygen generation tank body; 142, inhalation connector; 143, exhalation connector; 144, initial oxygen generation device; 145, oxygen generation reagent; 146, filter cotton; 147, oxygen outlet; 15, air bag; 16, air respirator gas cylinder; 17, air supply valve; 18, connecting piece. DETAILED DESCRIPTION

[0040] The present application will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0041] The following detailed description is merely exemplary in nature and is intended to provide further description of the present application. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the application pertains. The description and drawings are to be regarded as illustrative only, and not restrictive.

[0042] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0043] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more. In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0044] Example 1

[0045] As Figures 1-5As shown, an air respirator mask comprises a mask body 2 and a face mirror 1, the mask body is provided with a face cover 3, the face cover is made of soft material, is arranged at the edge of the mask body 2, and can be air-tightly attached to the face of the user when worn, the inner cavity of the mask body 2 is provided with a mouth and nose cover 8, a gas flow area is formed between the outside of the mouth and nose cover 8 and the inside of the face mirror, two air inlet valve sheets 81 are symmetrically arranged on the mouth and nose cover 8 for inhaling clean air supplied by an air respirator gas cylinder 16, the soft face cover 3 is attached to the face of the user, so that the gas flow area is only communicated with the mouth and nose cover 8 through the air inlet valve sheets 81, and a double-port breathing seat 6 is further arranged on the face mirror 1, the double-port breathing seat 6 is provided with an air inlet valve interface 12 and an air outlet valve interface 13, and the structure and size of the two interfaces are completely identical;

[0046] The air inlet valve interface 12 can be air-tightly connected with a gas supply valve 17 of the air respirator gas cylinder 16;

[0047] The air outlet valve interface 13 can be connected with a chemical oxygen respirator 14;

[0048] The mask body 2 is connected with an air outlet valve seat 10, the air outlet valve seat 10 and the air outlet valve interface 13 are detachably connected, and a one-way air outlet valve sheet is arranged in the air outlet valve seat 10, and the exhaust gas of the user is exhausted through the air outlet valve seat 10.

[0049] In use, the air inlet valve interface 12 is connected with the air respirator gas cylinder 16 through the gas supply valve 17 to supply gas to the wearer, the air outlet valve seat 10 is inserted into the air outlet valve interface 13, the user first inhales the clean air provided by the air respirator gas cylinder 16, the air is sequentially inhaled by the user through the air inlet valve interface 12, the air inlet groove 9, the gas flow area, the air inlet valve sheet 81 and the mouth and nose cover 8, and the exhaust gas of the user is exhausted to the outside air through the air outlet valve seat 10;

[0050] When the air respirator gas cylinder 16 of the firefighter wearing the air respirator is exhausted, the air respirator gas supply valve 17 is rotated to expose the air inlet valve interface 13, without unloading the air respirator gas cylinder 16 and the gas supply valve 17 thereof, the air outlet valve seat 10 is pulled out, and the chemical oxygen respirator 14 is quickly inserted into the air outlet valve interface 13 to supply oxygen to the rescue personnel, effectively prolonging the breathing protection time of the rescue personnel and protecting the life safety of the firefighters.

[0051] The air inlet valve interface 12 and the air outlet valve interface 13 are quick insertion and removal interfaces, and the positions of the air inlet valve interface 12 and the air outlet valve interface 13 can be in an up-down structure or in a left-right structure.

[0052] Embodiment 2

[0053] As a preferred example, as Figure 3As shown, the inhalation valve interface 12 and the exhalation valve interface 13 are provided with buckles 64 for locking the joint, and the double-port breathing seat 6 is provided with a button 65 for controlling the opening and closing of the buckle 64; the inhalation valve interface 12 is symmetrically provided with a position-avoiding groove 66, and the exhalation valve interface 13 is symmetrically provided with a position-avoiding groove 66, the buckle 64 is in a U-shaped structure, the bottom of the U-shaped structure is in contact with the button 65, and the two ends extend to the position-avoiding groove 66 and are bent inward to form a bent part, the bent part is located in the corresponding position-avoiding groove 66, and the button 65 is pressed to extrude the bent part into the position-avoiding groove 66, so that the buckle 64 is unlocked.

[0054] Embodiment 3

[0055] As a preferred example, as shown in the drawings, Figure 4 As shown, the double-port breathing seat 6 is provided with a sealing groove 11 on one side along the edge towards the gas flow area, and the oral-nasal mask 8 is open on both sides, one side of which is embedded in the sealing groove 11, and the other side extends to the inside of the mask main body 2 and is inwardly recessed, and is tightly fitted with the user's mouth and nose when worn.

[0056] As a preferred example of the above embodiment, the double-port breathing seat 6 is divided into an upper connecting seat 61 and a lower connecting seat 62, and the upper connecting seat 61 and the lower connecting seat 62 are connected by bolts, so that the double-port breathing seat 6 is detachable and convenient to install on the mask main body 2.

[0057] As a preferred example of the above embodiment, it further comprises:

[0058] The connecting piece 18 is arranged at the edge position of the mask main body 2.

[0059] The head net 4 protects the head and is connected with the connecting piece 18 through the drawstring 5, and is used for tightening the mask to ensure that the whole mask is tightly fitted with the face of the wearer.

[0060] As a preferred example of the above embodiment, a plurality of connecting pieces 18 are arranged at the positions of the two sides and the top of the mask main body 2, which can better fix the mask in use, and the head net 4 is tightened with the mask through the connecting piece 18 to ensure the tightness of the soft face mask body 3 with the face of the wearer.

[0061] As a specific example, the drawstring 5 is an elastic band that can adapt to different users.

[0062] As a preferred example of the above embodiment, the exhalation valve seat 10 is tied to the mask main body 2 by a connecting rope, and when the exhalation valve seat 10 is pulled out, it can be hung on the mask main body 2 and will not fall off.

[0063] The utility model also designs an air respirator mask system, as shown in the drawings, Figure 6As shown, the air breathing apparatus includes a chemical oxygen breathing apparatus 14, an air breathing apparatus gas bottle 16 connected to the air breathing apparatus gas bottle 16 through a gas supply valve 17 and an air inhalation valve interface 12 on the air breathing apparatus mask, and the gas supply valve of the air breathing apparatus gas bottle 16 is rotatable, and the chemical oxygen breathing apparatus 14 is detachably connected to the exhalation valve interface 13 on the air breathing apparatus mask.

[0064] As a specific example, as shown in the drawings, Figure 7 As shown, the chemical oxygen breathing apparatus includes a gas bag 15, an oxygen generation tank body 141, an air inhalation joint 142, an air exhalation joint 143, an oxygen generation agent 145, filter cotton 146, and an oxygen outlet 147, one end of the oxygen generation tank body 141 is provided with the air inhalation joint 142 and the air exhalation joint 143, the other end is provided with the oxygen outlet 147, the gas bag 15 is connected to the oxygen outlet 147 and the air inhalation joint 142, the oxygen generation agent 145 is arranged in the bottle body 141, the top and bottom of the oxygen generation agent are provided with filter cotton 146 to prevent the oxygen generation agent 145 from being inhaled into the human body, the air exhalation joint 143 is connected to the oxygen generation tank body 141, and a one-way valve plate is arranged at the connection between the air exhalation joint 143 and the oxygen generation tank body 141, and the air inhalation joint 142 is connected to the air exhalation joint 143, and a one-way valve plate is arranged at the connection.

[0065] As a preferred example of the above embodiment, the oxygen generation tank body 141 is provided with an initial oxygen generation device 144, the initial oxygen generation speed of the oxygen generation agent 145 is slow, and the initial oxygen generation device 144 can quickly generate a part of oxygen to provide the oxygen required for the user to wear in the early stage.

[0066] As a preferred example of the above embodiment, the switch of the initial oxygen generation device 144 is arranged at the top position of the oxygen generation tank body 141, and after the initial oxygen generation device 144 quickly generates oxygen, the oxygen can be directly filled into the gas bag 15 for the user to breathe.

[0067] As a preferred example of the above embodiment, the inside of the oxygen generation tank body 141 is provided with a heat conduction plug for heat conduction of the oxygen generation agent 145, the heat conduction plug is connected with the bottle body 141, and the heat generated in the agent during the oxygen generation process can be timely transmitted to the outside of the bottle body 141.

[0068] The oxygen generation tank body 141 is made of metal, such as stainless steel.

[0069] As a preferred example of the above embodiment, the gas bag 15 is provided with a pressure relief valve to release excess gas and prevent the exhalation resistance from being too high.

[0070] As a preferred example of the above embodiment, the air inhalation valve interface 12 is provided with a talk film 7 for amplifying the voice of the wearer and facilitating on-site communication.

[0071] The working process of the air respirator mask and system is described as follows:

[0072] At the rescue site, the wearer first wears the air respirator cylinder 16, and the gas in the air respirator cylinder 16 is connected to the mask air inlet valve interface 12 through the air supply valve 17 to supply clean air to the wearer. At this time, the exhalation valve seat 10 is inserted into the exhalation valve interface 13, and the gas exhaled by the wearer is discharged to the external environment through the one-way air outlet valve in the exhalation valve seat 10.

[0073] When the gas in the air respirator cylinder 16 worn by the fire rescue personnel is about to be consumed, without the need to unload the air respirator cylinder 16 and its air supply valve, the exhalation valve seat 10 is pulled out, and the chemical oxygen respirator 14 is quickly inserted into the exhalation valve interface 13. The wearer pulls the starting switch of the initial oxygen generating device 144, and the initial oxygen generating device 144 quickly releases not less than 4L of oxygen stored in the gas bag 15 for the wearer to use in the early stage. Subsequently, the gas exhaled by the wearer enters the oxygen generating canister 141 through the exhalation connector 143, and the moisture and carbon dioxide in the exhaled gas react with the oxygen generating agent 145 in the oxygen generating canister 141 to generate oxygen, which is stored in the gas bag 15 and then inhaled through the inhalation connector 142. When the gas in the gas bag 15 is too much, the pressure relief valve on the gas bag 15 can discharge the gas in the gas bag 15 to the external environment, thereby reducing the exhalation resistance.

[0074] During the entire protection process of wearing the chemical oxygen respirator, the carbon dioxide and water vapor in the exhaled gas of the wearer can react with the oxygen generating agent in the oxygen generating canister to directly convert into oxygen. The respiratory system of the wearer is completely isolated from the outside world, and even in a completely oxygen-free environment, the wearer can be provided with oxygen support, effectively prolonging the breathing protection time of the rescue personnel and protecting the life safety of the fire rescue personnel.

[0075] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0076] As can be known by the technical common sense, the utility model can be realized through other implementation solutions without departing from the spirit or essential characteristics. Therefore, the above disclosed implementation solutions are only examples in all aspects, and are not the only ones. All changes within the scope of the utility model or within the scope equivalent to the utility model are included in the utility model.

Claims

1. An air respirator mask characterized by, The face mask comprises a face mask body (2) and a face mirror (1) mounted on the face mask body (2); An oral-nasal mask (8) is arranged in the inner cavity of the face mirror (1), and an inhalation valve (81) is arranged on the oral-nasal mask (8); A gas flow area is formed between the outside of the oral-nasal mask (8) and the inner side of the face mirror (1); A double-port breathing seat (6) is further arranged on the face mirror (1), and an inhalation valve interface (12) and an exhalation valve interface (13) are arranged on the double-port breathing seat (6); The inhalation valve interface (12) is used for connecting a gas supply valve (17) of an air respirator and is in communication with the gas flow area; The exhalation valve interface (13) is used for connecting an exhalation valve seat or a chemical oxygen respirator, and is directly in communication with the inside of the oral-nasal mask (8); The exhalation valve seat (10) is internally mounted with an exhalation one-way valve piece, which is used for being inserted into the exhalation valve interface (13) when the chemical oxygen respirator (14) is not connected to the exhalation valve interface (13).

2. An air respirator mask as defined in claim 1, wherein, Further comprising: A face mask body (3) is arranged at the edge of the face mask body (2) and is made of soft rubber.

3. An air respirator mask as defined in claim 1, wherein, The double-port breathing seat (6) is divided into an upper connecting seat (61) and a lower connecting seat (62), and the upper connecting seat (61) and the lower connecting seat (62) are connected by bolts.

4. An air respirator mask as defined in claim 1, wherein, Further comprising: A connecting piece (18) is arranged at the edge of the face mask body (2); A head net (4) is connected to the connecting piece (18) by a drawstring (5).

5. An air respirator mask according to claim 4, wherein, A plurality of connecting pieces (18) are respectively arranged at the two sides and the top of the face mask body (2).

6. An air respirator mask as defined in claim 1, wherein, The exhalation valve seat (10) is tied to the face mask body (2) by a connecting rope.

7. An air respirator mask as defined in claim 1, wherein, A talk-through film (7) is arranged in the inhalation valve interface (12).

8. An air respirator mask system characterized by, The air respirator face mask of any one of claims 1-7, an air respirator cylinder (16), and a chemical oxygen respirator (14); The air respirator cylinder (16) is connected to the inhalation valve interface (12) of the air respirator face mask through the gas supply valve (17); The chemical oxygen respirator (14) is detachably connected to the exhalation valve interface (13) of the air respirator face mask.

9. An air respirator mask system as defined in claim 8, wherein, The chemical oxygen respirator comprises an air bag (15), an oxygen generation tank body (141), an inhalation connector (142), an exhalation connector (143), an oxygen generation agent (145), filter cotton (146), and an oxygen outlet (147); One end of the oxygen generation tank body (141) is provided with the inhalation connector (142) and the exhalation connector (143), and the other end is provided with the oxygen outlet (147); The air bag (15) is in communication with the oxygen outlet (147) and the inhalation connector (142); The oxygen generation agent (145) is arranged in the oxygen generation tank body (141), and filter cotton (146) is arranged at the top and the bottom of the oxygen generation agent; The exhalation connector (143) is in communication with the oxygen generation tank body (141), and the exhalation connector (143) and the oxygen generation tank body (141) are provided with an exhalation one-way valve piece at the connection position; the inhalation connector (142) is in communication with the exhalation connector (143), and the inhalation connector (142) is provided with an inhalation one-way valve piece; and the oxygen generation tank body (141) is provided with an initial oxygen generation device (144).

10. An air respirator mask system as defined in claim 9, wherein, The air bag (15) is provided with a pressure relief valve.

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