CN114602075B

CN114602075B - Integrated dual-purpose oxygen mask

Info

Publication number: CN114602075B
Application number: CN202210229052.0A
Authority: CN
Inventors: 李栋梁; 董众豹; 马迪; 刘彤; 闫亚辉; 郭佳能
Original assignee: 718th Research Institute of CSIC
Current assignee: 718th Research Institute of CSIC
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2023-06-20
Anticipated expiration: 2042-03-10
Also published as: CN114602075A

Abstract

The invention relates to an integrated dual-purpose oxygen mask, and belongs to the technical field of emergency oxygen supply. The oxygen mask comprises a mask cup assembly, a gas storage bag assembly and an oxygen supply conduit assembly; the mask cup assembly comprises a mask cup main body, a panel and a dual-purpose interface connector; one end of the mask cup main body is a connecting end, and the other end is an oxygen inhalation end; the periphery of the panel is connected with the connecting end of the mask cup main body in a sealing way; the middle part of the panel is provided with a dual-purpose interface, an ambient air valve and an expiration valve; oxygen inhalation ports are respectively arranged on the gas storage bag component and the oxygen supply conduit component; the dual-purpose interface connecting piece is plugged into the oxygen inhalation port through the dual-purpose connecting port and is connected through structural fit, so that the mask cup assembly and the gas storage bag assembly can be connected with a chemical oxygen source for use according to use requirements, or the mask cup assembly and the oxygen supply conduit assembly can be connected with a gas cylinder for use. The oxygen mask is suitable for civil aviation passengers, can realize rapid assembly and disassembly, and breaks through the limitation that the oxygen mask in the prior art can only be used in a single scene.

Description

Integrated dual-purpose oxygen mask

Technical Field

The invention relates to an integrated dual-purpose oxygen mask, in particular to a civil aviation oxygen mask which can be used for a chemical oxygen source and a gas cylinder oxygen source, and belongs to the technical field of emergency oxygen supply.

Background

In civil aviation, the oxygen mask for passengers is an oxygen dividing device connected with oxygen supply equipment, and emergency oxygen is supplied to passengers when the aircraft is in high-altitude decompression. Currently, oxygen sources of oxygen supply devices commonly used in aircraft are mainly chemical oxygen sources and air bottle oxygen sources, and two kinds of oxygen masks are mainly used: continuous flow oxygen masks and pulsed oxygen masks. The oxygen mask comprises a mask cup component and a gas storage bag conduit component, wherein the oxygen mask is used by connecting a chemical oxygen source in a continuous manner, the oxygen supply mode is continuous oxygen supply, in the prior art, the gas storage bag is used for storing oxygen generated continuously by the chemical oxygen source, a sealing gasket is welded with the gas storage bag at an oxygen inhalation port of the gas storage bag and is fixed on the mask by a connecting element, the connecting element is positioned in the gas storage bag, and the sealing gasket of the gas storage bag is pressed to a preset sealing edge of the mask cup component and is used for connecting and sealing the gas storage bag and the mask cup component; the assembly between the air storage bag and the mask cup component is complex, difficult to disassemble and inconvenient to replace; a similar technique is disclosed in chinese patent application CN104096325a as a passenger oxygen mask and a breathing bag for an oxygen mask. The pulse oxygen mask is generally connected with a gas cylinder oxygen source for use, the oxygen supply mode adopted is intermittent oxygen supply, in the prior art, the oxygen mask main body is connected to the circuit board component through an oxygen supply conduit, the control system and the stop valve are integrated in the circuit board component, the pulse oxygen supply mechanism enables the oxygen flow to be intermittent, a gas storage bag is not needed for storing uninflated oxygen, so the oxygen mask is only composed of the mask main body and the conduit, the mask main body and the conduit are fixedly connected and cannot be detached, and a similar technology is used for an oxygen emergency supply device for aircraft passengers and an aircraft with the oxygen emergency supply device disclosed in Chinese patent application CN 111434363A. The oxygen masks are limited to a single use scenario, and the oxygen masks connected to the chemical oxygen source and the oxygen masks connected to the gas cylinder oxygen source cannot be commonly used.

The prior art does not see the civil aviation oxygen mask which can be used for both a chemical oxygen source and a gas cylinder oxygen source, the continuous airflow oxygen mask and the pulse oxygen mask respectively correspond to different oxygen supply modes, and the interfaces of the two masks are not compatible, so that the integrated dual-purpose can not be realized.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention aims to provide an integrated dual-purpose oxygen mask which is suitable for civil aviation passengers, and can be used by being connected with a chemical oxygen source and a gas cylinder oxygen source.

In order to achieve the purpose of the invention, the following technical scheme is provided.

An integrated dual-purpose oxygen mask, the oxygen mask is suitable for civil aviation passengers, and the main components include: mask cup assembly, gas storage bag assembly and oxygen supply pipe assembly.

The mask cup assembly generally includes a mask cup body, a faceplate, and a dual-purpose interface connector.

One end of the mask cup main body is a connecting end and is used for being connected with the panel in a sealing way; the other end of the mask cup main body is an oxygen inhalation end which is used for covering the mouth and nose of a human body in the oxygen supply process and is used as a terminal of the whole oxygen supply flow.

Further, the shape of the mask cup main body is a taper cup-shaped structure with one end being a narrow opening and the other end being a flaring, one end of the narrow opening is a connecting end, and one end of the flaring is an oxygen inhalation end. The mask cup main body is made of a material which can be in direct contact with a human body and is harmless to the human body; preferably, the mask cup body material is a silicone cushion or a polymethylvinyl siloxane.

The panel is of a platy structure with the shape matched with the connecting end of the mask cup main body, and the periphery of the panel is connected with the connecting end of the mask cup main body in a sealing way; preferably, the peripheral edge of the faceplate is sealed and connected with the connecting end of the mask cup body through ultrasonic hot melt sealing and welding.

Preferably, the bottom of the connecting end of the mask cup main body is inwards bent to form an annular groove, a corresponding annular groove is formed in the periphery of the panel, an annular clamping plate with a groove is arranged, the annular groove outer ring on the clamping plate is matched with the annular groove in the mask cup main body, the annular groove inner ring welding line of the clamping plate is matched with the annular groove in the panel, and the annular groove are welded together through ultrasonic hot melting.

Preferably the material of the panel is polycarbonate.

Preferably the material of the card is polycarbonate.

The middle part of the panel is respectively provided with a dual-purpose interface, an ambient air valve and an expiration valve which are adjacent in position, and the center points of the dual-purpose interface, the ambient air valve and the expiration valve are preferably distributed in a regular triangle array in the middle part of the panel.

The dual-purpose interface is used for installing a dual-purpose interface connector.

The oxygen storage bag component and the oxygen supply conduit component are respectively provided with an oxygen inhalation port, when the oxygen inhalation port is inserted into the dual-purpose interface on the panel, the connecting end of the dual-purpose interface connecting piece is plugged into the oxygen inhalation port through the dual-purpose interface, and the oxygen inhalation port and the dual-purpose interface connecting piece are tightly connected through structural fit, so that the mask cup component and the gas storage bag component or the mask cup component and the oxygen supply conduit component can be connected according to use requirements, and the integrated dual-purpose of the oxygen mask is realized.

Further, a limit groove is arranged at the edge of the dual-purpose interface, a bulge matched with the limit groove is arranged at the outer side of the opening edge of the oxygen inhalation opening, and the limit groove is matched with the bulge to determine the assembly position and direction of the gas storage bag assembly and the mask cup assembly or the assembly position and direction of the oxygen supply conduit assembly and the mask cup assembly.

Further, the dual-purpose interface connection piece is formed by an upper part and a lower part with different diameters integrally, stepped connection is formed between the upper part and the lower part, the stepped connection part is matched with the dual-purpose interface to limit, an annular boss is arranged at the middle part of the lower part of the dual-purpose interface connection piece, a groove structure matched with the annular boss is arranged in the oxygen inhalation port, after the dual-purpose interface connection piece is plugged into the oxygen inhalation port, the dual-purpose interface connection piece circumferentially extends around the oxygen inhalation port in the circumferential direction through the annular boss, interference fit is formed between the oxygen inhalation port and the panel, and therefore sealing and fastening of fluid are achieved.

Preferably the dual purpose interface connector material is polycarbonate.

The ambient air valve is used for supplementing external air when being opened under load.

Further, the ambient air flap is comprised of a resilient member positioned in a recess in the panel; the elastic component mainly comprises a spring seat, a spring and a baffle.

The spring seat is provided with an upright post which is used as a limit of the outer ring at the bottom of the spring; preferably, the spring seat is provided with upright posts which are arranged in a right circular array.

The baffle is used for elastically limiting the top of the spring; the structure of the preferred baffle is that a small ring is arranged inside a large ring, and the two rings are formed by connecting three short cross beams which are evenly distributed, and the baffle is formed by integral injection molding.

The spring seat is assembled in the recess bottom, and the spring bottom outer lane is assembled on the stand of spring seat, and the baffle is assembled along being in contact with the spring top on the recess, makes the spring be in compressed state, ambient air valve is used for supplementing external air when opening under load.

Preferably, the spring seat is made of polycarbonate.

Preferably the material of the baffle is polycarbonate.

The expiration valve is used for discharging the expired air generated in the expiration stage of the human body into the outside environment air. Preferably, a connecting rod is arranged at the pore canal of the exhalation valve, a silica gel valve plate is arranged at the rear of the connecting rod, the silica gel valve plate and the valve rod form an umbrella-shaped movable valve, the valve rod penetrates through a small hole on the connecting rod to be fixed, and the umbrella-shaped movable valve is opened along with exhalation of a human body, so that the exhaled air of the human body is discharged into the outside air.

The air storage bag module is used for connecting a chemical oxygen source; the oxygen supply conduit assembly is used for connecting the oxygen source of the gas cylinder and is two different groups of components. The gas storage bag assembly comprises a gas storage bag, a gas storage bag guide pipe and a gas storage bag flow indicator; the oxygen supply conduit assembly includes an oxygen supply conduit and an oxygen supply flow indicator. The gas storage bag conduit and the oxygen supply conduit are the same components and are conduits for conveying oxygen generated by an oxygen source in different assemblies; the air storage bag flow indicator and the oxygen supply flow indicator are the same component and are all flow indicators used for indicating oxygen generated by an oxygen source to flow through the mask in different components; since the flow indicator is to indicate the flow of oxygen therethrough, the flow indicator is provided in the conduit. The only difference between the two sets of components, namely the gas storage bag component and the oxygen supply conduit component, is that the gas storage bag component is provided with one more gas storage bag for storing oxygen continuously generated by a chemical oxygen source.

In the gas storage bag component, an oxygen inhalation port is arranged at the top of the gas storage bag and is integrally formed with the gas storage bag; one end of the air storage bag conduit is connected with a chemical oxygen source; the other end of the gas storage bag conduit is fixedly connected to the bottom of the gas storage bag. Preferably, one end of the gas storage bag conduit is fixedly connected to the bottom of the gas storage bag through high-frequency welding.

In the oxygen supply conduit assembly, one end of the oxygen supply conduit is integrally formed with the oxygen inhalation port, and the other end of the oxygen supply conduit is connected with an oxygen source of the gas cylinder.

Preferably, the air storage bag is made of a polyvinyl chloride film through high-frequency welding; the high frequency welding creates a wide and uniformly inclined distribution of welds on the gas storage bag surface that spread the axially applied forces in the horizontal direction to the left and right, thereby allowing the mask assembly to withstand at least 88.96N of the tension forces specified in SAE AS 8025.

The flow indicator is a device for measuring oxygen flow in the prior art, and can indicate the flow of at least 0.5LPM-NTPD specified in SAE AS916 (aviation standard issued by International Automation Engineers, chinese name "oxygen flow indicator").

The preferred flow indicator includes an upper housing, a lower housing, a flow indicator spring, and an indicator flag. The flow indicator spring and the indication mark are assembled between the upper shell and the lower shell, the indication mark is arranged in the lower shell, the flow indicator spring is arranged in a groove of the indication mark, and the upper shell and the lower shell are sealed through ultrasonic welding. When oxygen flows through the flow indicator, the air flow pushing indication mark compresses the flow indicator spring to generate displacement, so that whether oxygen flow is generated is judged.

Preferably the material of the conduit is polyvinyl chloride.

Preferably, the material of the upper housing is polycarbonate.

Preferably, the material of the lower housing is polycarbonate.

The preferred indicator material is polypropylene.

Advantageous effects

1. The invention provides an integrated dual-purpose oxygen mask, which has the structure that a mask cup component and a gas storage bag component or a mask cup component and an oxygen supply conduit component can be quickly assembled and disassembled, so that the limitation that the traditional oxygen mask can only be used in a single scene is broken through; therefore, the oxygen mask can be used under two different oxygen supply conditions of a chemical oxygen source or a gas cylinder oxygen source, and the effect of integrated dual-purpose is achieved; the oxygen mask solves the defect that a continuous airflow oxygen mask for a chemical oxygen source is incompatible with an interface of a pulse oxygen mask for a gas cylinder oxygen source in the prior art, so that the two oxygen masks are limited by a single oxygen supply condition.

2. The invention provides an integrated dual-purpose oxygen mask, which is characterized in that an oxygen inhalation port is designed to be used as a shared interface of a gas storage bag assembly and a conduit assembly, a dual-purpose interface connecting piece is used as a connector, and the assembly and the disassembly of a mask cup assembly and the gas storage bag assembly or the assembly and the disassembly of the mask cup assembly and the oxygen supply conduit assembly are conveniently realized, so that the integrated dual-purpose oxygen mask can be realized.

3. The invention provides an integrated dual-purpose oxygen mask, and a gas storage bag component of the oxygen mask can bear the tensile force of at least 88.96N specified in SAE AS8025 through high-frequency welding.

4. The present invention provides an integrated dual-purpose oxygen mask with a flow indicator that can indicate a flow of at least 0.5LPM-NTPD specified in SAE AS 916.

Drawings

Fig. 1 is a schematic plan view of an integrated dual-purpose oxygen mask equipped with a gas storage bag assembly in example 1.

Figure 2 is a cross-sectional view of the mask cup assembly of figure 1 taken along the direction A-A.

Fig. 3 is a schematic plan view of the panel in embodiment 1.

Fig. 4 is a cross-sectional view of the card in the diametrical direction in example 1.

Fig. 5 is a schematic structural diagram of the dual-purpose interface connector in embodiment 1.

FIG. 6 is a schematic diagram of the oxygen inhalation port in example 1.

Fig. 7 is a schematic plan view of a spring seat in embodiment 1.

Fig. 8 is a schematic plan view of the baffle plate in embodiment 1.

Fig. 9 is a schematic plan view of a gas storage bag assembly in example 1.

Fig. 10 is a schematic plan view of the oxygen supply conduit assembly of example 1.

FIG. 11 is a cross-sectional view of the flow indicator of FIG. 9 taken along the B-B direction.

Wherein, 1-mask cup main body, 2-panel, 3-dual-purpose interface connection piece, 4-ambient air valve, 5-oxygen inhalation port, 6-flow indicator, 7-conduit, 8-air storage bag, 9-clamping plate, 10-limit groove, 11-bulge, 12-annular boss, 13-groove, 14-spring seat, 15-spring, 16-baffle, 17-upper shell, 18-lower shell, 19-flow indicator spring, 20-indication mark, 21-expiration valve

Detailed Description

The invention will now be described in detail with reference to the drawings and specific examples, but is not intended to limit the scope of the patent.

Example 1

As shown in fig. 1, 2 and 3, the mask cup assembly basically includes a mask cup body 1, a faceplate 2 and a dual purpose interface connector 3.

The mask cup main body 1 is of a taper cup-shaped structure with a narrow opening at one end and a flaring at the other end; the narrow opening end is a connecting end and is used for being connected with the panel 2 in a sealing way; the flaring end is an oxygen inhalation end and is used for covering the mouth and nose of a human body in the oxygen supply process and is used as a terminal of the whole oxygen supply flow. The mask cup body 1 is made of a silica gel cushion material which can be in direct contact with a human body and is harmless to the human body.

The panel 2 has a plate-like structure with an outline matching the connection end of the mask cup body 1.

As shown in fig. 2 and 4, the bottom of the connecting end of the mask cup body 1 is bent inwards to form an annular groove, the periphery of the panel 2 is provided with a corresponding annular groove, an annular clamping plate 9 with the groove is arranged, the outer ring of the annular groove of the clamping plate 9 is matched with the annular groove on the mask cup body 1, the inner ring welding line of the annular groove of the clamping plate 9 is matched with the annular groove on the panel 2, and the annular groove are welded together through ultrasonic hot melting.

The material of the panel 2 is polycarbonate.

The material of the clamping plate 9 is polycarbonate.

As shown in fig. 3, the middle part of the panel 2 is respectively provided with a dual-purpose interface, an ambient air valve 4 and an expiration valve 21 which are adjacent to each other; the center points of the two-purpose interface, the ambient air valve 4 and the expiration valve 21 are arranged in a regular triangle array in the middle of the panel 2.

The dual-purpose interface is used for installing the dual-purpose interface connector 3.

As shown in fig. 1, 6, 9 and 10, the oxygen inhalation port 5 is respectively arranged on the gas storage bag component and the oxygen supply conduit component, when the oxygen inhalation port 5 is inserted into the dual-purpose interface on the panel 2, the connecting end of the dual-purpose interface connecting piece 3 is plugged into the oxygen inhalation port 5, and the two ports are tightly connected through structural fit, so that the mask cup component and the gas storage bag component or the mask cup component and the oxygen supply conduit component can be connected according to the use requirement, and the integrated dual-purpose of the oxygen mask is realized.

As shown in fig. 3, a limiting groove 10 is arranged at the edge of the dual-purpose interface, as shown in fig. 6, a protrusion 11 matched with the limiting groove 10 in shape is arranged at the outer side of the mouth edge of the oxygen inhalation mouth 5, and the limiting groove 10 is matched with the protrusion 11 to determine the assembly position and direction of the gas storage bag assembly and the mask cup assembly or the assembly position and direction of the oxygen supply conduit assembly and the mask cup assembly.

As shown in fig. 5, the dual-purpose interface connector 3 is integrally formed by an upper part and a lower part with different diameters, the upper part and the lower part form a step-shaped connection, the step-shaped connection is matched and limited with the dual-purpose interface, an annular boss 12 is arranged at the middle part of the lower part of the dual-purpose interface connector 3, a groove structure matched with the annular boss 12 is arranged in the oxygen inhalation port 5, after the dual-purpose interface connector 3 is plugged into the oxygen inhalation port 5, the dual-purpose interface connector 3 circumferentially extends around the oxygen inhalation port 5 in the circumferential direction through the annular boss 12, and an interference fit is formed between the oxygen inhalation port 5 and the panel 2, so that the sealing and fastening of fluid are realized.

The material of the dual-purpose interface connector 3 is polycarbonate.

As shown in fig. 2 and 3, the ambient air flap 4 is constituted by a resilient member located in a recess 13 of the panel 2; the resilient member basically includes a spring seat 14, a spring 15 and a retainer 16.

As shown in fig. 7, the spring seat 14 is designed with upright posts arranged in a right circular array, which is used as a limit for the outer ring at the bottom of the spring 15.

The baffle 16 is formed by connecting three short cross beams distributed evenly between two rings, is formed by integral injection molding and is used for elastically limiting the top of the spring 15.

The spring seat 14 is assembled at the bottom of the groove 13, the outer ring at the bottom of the spring 15 is assembled on the upright post of the spring seat 14, the baffle 16 is assembled on the groove 13 along the contact with the top of the spring 15, so that the spring 15 is in a compressed state, and the ambient air valve 4 is used for supplementing the outside air when being loaded and opened.

The spring seat 14 and the baffle 16 are made of polycarbonate.

The exhalation valve 21 is used to discharge the exhaled air generated during the exhalation phase of the human body into the ambient air. The expiration valve 21 is provided with a silica gel valve plate, and is movably connected with the panel 2 through a connecting column, and gas is exhaled from a gap of the valve plate during expiration.

The exhalation valve 21 is used for discharging exhaled air generated during the exhalation phase of a human body into the ambient air. The hole of the exhale valve 21 is provided with a connecting rod, the rear of the connecting rod is provided with a silica gel valve plate, the silica gel valve plate and the valve rod form an umbrella-shaped movable valve, the valve rod passes through a small hole on the connecting rod to be fixed, and the umbrella-shaped movable valve is opened along with human exhale, so that the human exhale air is discharged into the outside air.

The air storage bag module is used for connecting a chemical oxygen source; the oxygen supply conduit assembly is used for connecting the oxygen source of the gas cylinder and is two different groups of components. The gas storage bag assembly comprises a gas storage bag 8, a gas storage bag conduit and a gas storage bag flow indicator; the oxygen supply conduit assembly includes an oxygen supply conduit and an oxygen supply flow indicator. The gas storage bag conduit and the oxygen supply conduit are the same component and are conduits 7 for conveying oxygen generated by an oxygen source in different components; the air storage bag flow indicator and the oxygen supply flow indicator are the same component and are all flow indicators 6 for indicating the oxygen generated by the oxygen source to flow through the mask in different components; since the flow indicator 6 is to indicate the passage of the oxygen flow, the flow indicator 6 is provided in the duct 7. The only difference between the two sets of components, namely the gas storage bag component and the oxygen supply conduit component, is that the gas storage bag component is provided with one more gas storage bag 8 for storing oxygen continuously generated by a chemical oxygen source.

In the gas storage bag assembly 5, an oxygen inhalation port is arranged at the top of the gas storage bag and is integrally formed with the gas storage bag; one end of the air storage bag conduit is connected with a chemical oxygen source; one end of the gas storage bag conduit is fixedly connected to the bottom of the gas storage bag 8 through high-frequency welding.

The air storage bag 8 is made of a polyvinyl chloride film through high-frequency welding; the high frequency welding provides the surface of the air bag 8 with a wide and uniformly inclined distribution of welds that disperse axially applied forces in the horizontal direction to the left and right, thereby allowing the mask assembly to withstand at least 88.96N of the tension forces specified in SAE AS 8025.

The flow indicator 6 is a device for measuring oxygen flow in the prior art, and can indicate a flow of at least 0.5LPM-NTPD specified in SAE AS916 (aviation standard issued by the society of international automaton engineers, chinese name "oxygen flow indicator").

The flow indicator 6 includes an upper housing 17, a lower housing 18, a flow indicator spring 19, and an indicator flag 20. The flow indicator spring 19 and the indication mark 20 are assembled between the upper housing 17 and the lower housing 18, the indication mark 20 is placed in the lower housing 18, the flow indicator spring 19 is placed in the groove of the indication mark 20, and the upper housing 17 and the lower housing 18 are sealed by ultrasonic welding. When oxygen flows through the flow indicator, the airflow pushing indication mark 20 compresses the flow indicator spring 19 to generate displacement, so that whether oxygen flow is generated or not is judged.

The material of the conduit is polyvinyl chloride.

The upper and

lower housings

17 and 18 are made of polycarbonate.

The material of the indicator 20 is polypropylene.

The oxygen masks described in this example were assembled and tested for strength according to the strength test procedure specified in section 6.1.4 of SAE AS8025, and after a static load of 88.96N was applied to the oxygen masks for 3s, no breakage of the mask components and no detachment of the interfaces were observed, and the oxygen masks met the strength requirements specified in SAE AS 8025.

The upper casing 17 and the lower casing 18 of the flow indicator 6 are welded by ultrasonic sealing. After the welding is completed, 0.5LPM-NTPD oxygen is introduced from the end of the catheter 7, and the indication mark 20 is observed to push the flow indicator spring 19 to displace, so that it is judged that oxygen flows through the oxygen mask, and the flow indicator 6 is proved to achieve the effect specified in SAE AS 916.

The assembly mode of this embodiment can make face guard cup subassembly and gas storage bag subassembly, or face guard cup subassembly and oxygen suppliment pipe subassembly realize quick assembly and dismantlement, has broken through the restriction that oxygen face guard can only use under single scene in the past to realize that oxygen face guard can use under the condition of chemical oxygen source or gas cylinder oxygen source, reach integrative dual-purpose effect.

In summary, the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An integrated dual-purpose oxygen mask, the oxygen mask is applicable to civil aviation passenger and uses, its characterized in that: the main components of the oxygen mask comprise a mask cup assembly, a gas storage bag assembly and an oxygen supply conduit assembly;

the mask cup component mainly comprises a mask cup main body (1), a panel (2) and a dual-purpose interface connector (3);

one end of the mask cup main body (1) is a connecting end, and the other end is an oxygen inhalation end;

the panel (2) is of a platy structure with the shape matched with the connecting end of the mask cup main body (1), and the periphery of the panel (2) is connected with the connecting end of the mask cup main body (1) in a sealing way; the middle part of the panel (2) is respectively provided with a dual-purpose interface, an ambient air valve (4) and an expiration valve (21) which are adjacent to each other;

the oxygen inhalation port (5) is respectively arranged on the gas storage bag component and the oxygen supply conduit component, when the oxygen inhalation port (5) is inserted into the dual-purpose interface on the panel (2), the connecting end of the dual-purpose interface connecting piece (3) is plugged into the oxygen inhalation port (5) through the dual-purpose interface, and the two are tightly connected through structural fit, so that the mask cup component and the gas storage bag component can be connected or the mask cup component and the oxygen supply conduit component can be connected according to the use requirement;

the air storage bag component is connected with a chemical oxygen source, and the oxygen supply conduit component is connected with a gas cylinder oxygen source; the gas storage bag assembly comprises a gas storage bag (8), a gas storage bag guide pipe and a gas storage bag flow indicator; the oxygen supply conduit assembly comprises an oxygen supply conduit and an oxygen supply flow indicator; the gas storage bag guide pipe and the oxygen supply guide pipe are both guide pipes (7), the gas storage bag flow indicator and the oxygen supply flow indicator are both flow indicators (6), and the flow indicators (6) are arranged in the guide pipes (7).

2. The integrated dual-purpose oxygen mask of claim 1, wherein: the shape of the mask cup main body (1) is a taper cup-shaped structure with one end being a narrow opening and the other end being a flaring, one end of the narrow opening is a connecting end, and one end of the flaring is an oxygen inhalation end;

the ambient air valve (4) is composed of an elastic component positioned in a groove (13) on the panel (2); the elastic component mainly comprises a spring seat (14), a spring (15) and a baffle plate (16); the spring seat (14) is assembled at the bottom of the groove (13), the outer ring at the bottom of the spring (15) is assembled on the upright post of the spring seat (14), and the baffle (16) is assembled on the groove (13) along the contact with the top of the spring (15) to enable the spring (15) to be in a compressed state;

a connecting rod is arranged at the pore passage of the exhalation valve (21), a silica gel valve plate is arranged at the rear of the connecting rod, the silica gel valve plate and the valve rod form an umbrella-shaped movable valve, and the valve rod passes through a small hole on the connecting rod to be fixed;

in the gas storage bag assembly, an oxygen inhalation port (5) is arranged at the top of the gas storage bag (8), the oxygen inhalation port and the gas storage bag (8) are integrally formed, one end of a gas storage bag conduit is connected with a chemical oxygen source, and the other end of the gas storage bag conduit is fixedly connected to the bottom of the gas storage bag (8); in the oxygen supply conduit assembly, one end of the oxygen supply conduit is integrally formed with the oxygen inhalation port (5), and the other end of the oxygen supply conduit is connected with an oxygen source of the gas cylinder.

3. An integrated dual-purpose oxygen mask as claimed in claim 1 or 2, wherein: the connecting end bottom of the mask cup main body (1) is inwards bent to form an annular groove, a corresponding annular groove is formed in the periphery of the panel (2), an annular clamping plate (9) with a groove is arranged, the annular groove outer ring on the clamping plate (9) is matched with the annular groove on the mask cup main body (1), the annular groove inner ring welding line of the clamping plate (9) is matched with the annular groove on the panel (2), and the annular groove are welded together through ultrasonic hot melting.

4. An integrated dual-purpose oxygen mask as claimed in claim 1 or 2, wherein: the center points of the two-purpose interface, the ambient air valve (4) and the exhalation valve (21) are arranged in a regular triangle array in the middle of the panel (2).

5. An integrated dual-purpose oxygen mask as claimed in claim 1 or 2, wherein: a limiting groove (10) is arranged at the edge of the dual-purpose interface, a bulge (11) matched with the limiting groove (10) in shape is arranged at the outer side of the mouth edge of the oxygen inhalation mouth (5), and the limiting groove (10) is matched with the bulge (11).

6. An integrated dual-purpose oxygen mask as claimed in claim 1 or 2, wherein: the dual-purpose interface connecting piece (3) is formed by an upper part and a lower part with different diameters integrally, a step-shaped connection is formed between the upper part and the lower part, the step-shaped connection is used for being matched with and limiting with the dual-purpose interface, an annular boss (12) is arranged at the middle part of the lower part of the dual-purpose interface connecting piece (3), a groove structure matched with the annular boss (12) is arranged in the oxygen inhalation port (5), and after the dual-purpose interface connecting piece (3) is plugged into the oxygen inhalation port (5), the dual-purpose interface connecting piece (3) circumferentially extends around the oxygen inhalation port (5) through the annular boss (12), and interference fit is formed between the oxygen inhalation port (5) and the panel (2).

7. An integrated dual-purpose oxygen mask as set forth in claim 2, wherein: the spring seat (14) is provided with upright posts which are arranged in a right circular array; the baffle (16) is structurally characterized in that a small circular ring is arranged inside a large circular ring, the two circular rings are connected through three short cross beams which are distributed evenly, and the baffle is formed by integral injection molding.

8. An integrated dual-purpose oxygen mask as claimed in claim 1 or 2, wherein: the flow indicator (6) comprises an upper shell (17), a lower shell (18), a flow indicator spring (19) and an indication mark (20); the flow indicator spring (19) and the indication mark (20) are assembled between the upper shell (17) and the lower shell (18), the indication mark (20) is arranged in the lower shell (18), the flow indicator spring (19) is arranged in a groove of the indication mark (20), and the upper shell (17) and the lower shell (18) are sealed through ultrasonic welding.

9. An integrated dual-purpose oxygen mask as set forth in claim 2, wherein: the bottom of the connecting end of the mask cup main body (1) is inwards bent to form an annular groove, a corresponding annular groove is formed in the periphery of the panel (2), an annular clamping plate (9) with a groove is arranged, the outer ring of the annular groove on the clamping plate (9) is matched with the annular groove on the mask cup main body (1), the welding line of the inner ring of the annular groove of the clamping plate (9) is matched with the annular groove on the panel (2), and the welding line and the annular groove are welded together through ultrasonic hot melting;

the center points of the two-purpose interface, the ambient air valve (4) and the exhalation valve (21) are arranged in a regular triangle array at the middle part of the panel (2);

a limit groove (10) is arranged at the edge of the dual-purpose interface, a bulge (11) matched with the limit groove (10) in shape is arranged at the outer side of the mouth edge of the oxygen inhalation mouth (5), and the limit groove (10) is matched with the bulge (11);

the dual-purpose interface connecting piece (3) is integrally formed by an upper part and a lower part with different diameters, the upper part and the lower part form step-shaped connection, the step-shaped connection is matched with the dual-purpose interface to limit, an annular boss (12) is arranged at the middle part of the lower part of the dual-purpose interface connecting piece (3), a groove structure matched with the annular boss (12) is arranged in the oxygen inhalation port (5), after the dual-purpose interface connecting piece (3) is plugged into the oxygen inhalation port (5), the dual-purpose interface connecting piece (3) circumferentially extends around the oxygen inhalation port (5) through the annular boss (12), and interference fit is formed between the oxygen inhalation port (5) and the panel (2);

the spring seat (14) is provided with upright posts which are arranged in a right circular array; the baffle (16) is structurally characterized in that a small circular ring is arranged inside a large circular ring, the two circular rings are formed by connecting three short cross beams which are distributed evenly, and the baffle is formed by integral injection molding;

the flow indicator (6) comprises an upper shell (17), a lower shell (18), a flow indicator spring (19) and an indication mark (20); the flow indicator spring (19) and the indication mark (20) are assembled between the upper shell (17) and the lower shell (18), the indication mark (20) is arranged in the lower shell (18), the flow indicator spring (19) is arranged in a groove of the indication mark (20), and the upper shell (17) and the lower shell (18) are sealed through ultrasonic welding; traffic indicator (6) indicates the traffic of at least 0.5LPM-NTPD specified in SAE AS 916;

one end of the gas storage bag conduit is fixedly connected to the bottom of the gas storage bag (8) through high-frequency welding;

the air storage bag (8) is made of polyvinyl chloride films through high-frequency welding.

10. The integrated dual-purpose oxygen mask of claim 9, wherein: the mask cup main body (1) is made of silica gel soft cushion or polymethyl vinyl siloxane;

the panel (2), the dual-purpose interface connector (3), the clamping plate (9), the spring seat (14), the baffle (16), the upper shell (17) and the lower shell (18) are all made of polycarbonate;

the material of the conduit (7) is polyvinyl chloride;

the material of the indication mark (20) is polypropylene.