CN221045336U - Portable oxygen supply system - Google Patents

Abstract

The utility model discloses a portable oxygen supply system, which comprises a mask, a brace, an air supply pipe, an exhaust pipe, an air breathing pipe and an air suction pipe, wherein the mask is suitable for being covered on the face of an operator in a sealing way, the brace is suitable for bypassing the shoulders of the operator and is fixed on the trunk of the operator, and the brace is inelastic; the fixed end of the air supply pipe is fixedly connected with the braces, the other end of the air supply pipe is suitable for extending to the outer side of the working space, the length of the air supply pipe is adjustable, the fixed end of the exhaust pipe is fixedly connected with the braces, the other end of the exhaust pipe is suitable for extending to the outer side of the working space, and the length of the exhaust pipe is adjustable; the air suction pipe is connected between the fixed end of the air supply pipe and the mask, and the air exhaling pipe is connected between the mask and the fixed end of the air exhaust pipe. The portable oxygen supply system provided by the embodiment of the utility model has the advantages of smaller body load on operators and higher reliability.

Description

Portable oxygen supply system

Technical Field

The utility model relates to the technical field of protective equipment, in particular to a portable oxygen supply system.

Background

At present, the operation treatment method aiming at the limited space is 'first detection, ventilation and then entering', and the positive pressure carried by the personnel who enter the space is the operation carried out by the respirator suit, and the oxygen supply system in the related technology has larger body load and low oxygen storage amount.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems in the related art to some extent. To this end, embodiments of the present utility model provide a portable oxygen supply system that has the advantage of being less physically loaded to the operator and providing stable oxygen supply.

The portable oxygen supply system comprises a mask and a brace, wherein the mask is suitable for being covered on the face of an operator in a sealing mode, the brace is suitable for bypassing the shoulders of the operator and is fixed on the trunk of the operator, and the brace is inelastic; the fixing end of the air supply pipe is fixedly connected with the braces, the other end of the air supply pipe is suitable for extending to the outer side of the working space, the length of the air supply pipe is adjustable to be suitable for supplying air from the outer side of the working space to the inner side of the face mask, the fixing end of the air exhaust pipe is fixedly connected with the braces, the other end of the air exhaust pipe is suitable for extending to the outer side of the working space, and the length of the air exhaust pipe is adjustable to be suitable for exhausting air in the face mask to the outer side of the working space; and the air exhaling pipe is connected between the fixed end of the air supply pipe and the fixed end of the exhaust pipe so as to be suitable for exhausting air in the mask.

The mask of the portable oxygen supply system is connected with the air supply pipe through the air suction pipe, the mask is connected with the exhaust pipe through the air exhaust pipe, one end of the air supply pipe connected with the air suction pipe is fastened on the trunk of an operator through the braces, one end of the exhaust pipe connected with the air exhaust pipe is fastened on the trunk of the operator through the braces, when the air supply pipe and/or the exhaust pipe receive external force in the rescue process, the external force received by the air supply pipe and/or the exhaust pipe is transmitted to the braces along the length direction, namely, the transmission is stopped, on one hand, the portable oxygen supply system can accurately remind the operator that the air supply pipe and/or the exhaust pipe receive external force, on the other hand, the air suction pipe does not receive external force transmitted by the air supply pipe, and the air exhaust pipe does not receive external force transmitted by the exhaust pipe, so that the mask is not stressed when the air supply pipe and/or the exhaust pipe receive external force, and the mask is prevented from being pulled off, and the portable oxygen supply system of the embodiment has the advantage of higher reliability.

Compared with the prior art that the operating personnel carry the gas storage type oxygen supply system, the portable oxygen supply system provided by the embodiment of the utility model has the advantages that the operating personnel are not limited by the oxygen supply amount, the portable oxygen supply system can operate in the operating space for a long time, and the portable oxygen supply system which is very smooth in the process of the utility model has smaller volume and lighter weight on the surface part of the operating personnel, so that the portable oxygen supply system provided by the embodiment of the utility model has the advantage of smaller load on the operating personnel.

In some embodiments, the portable oxygen supply system further comprises a first one-way valve disposed in the exhalation tube to allow one-way flow of air in the exhalation tube from within the mask to the exhaust tube, and a second one-way valve disposed in the inhalation tube to allow one-way flow of air in the inhalation tube from the supply tube to within the mask.

In some embodiments, the mask is provided with a first connector and a second connector, the first connector is detachably and hermetically connected with the exhalation tube to communicate the exhalation tube with the inner side of the mask, and the second connector is detachably and hermetically connected with the inhalation tube to communicate the inhalation tube with the inner side of the mask.

In some embodiments, the exhalation tube is threadably secured to the first connector and the inhalation tube is threadably secured to the second connector.

In some embodiments, the first joint and the second joint are symmetrically arranged along a left-right direction of the mask.

In some embodiments, a blower device is provided outside the working space and connected to the air supply pipe, adapted to drive air outside the working space through the mask and create positive pressure in the mask.

In some embodiments, the length dimension of the exhalation tube and the length dimension of the inhalation tube are both greater than a first set threshold and less than a second set threshold to avoid the exhalation tube and/or the inhalation tube affecting operator action.

In some embodiments, the portable oxygen supply system further comprises an air supply manifold, wherein the end of the air supply manifold is provided with a distributed joint for connecting air supply pipes of a plurality of portable oxygen supply systems with the same air supply manifold.

In some embodiments, the gas supply tube is provided with a winding portion adapted to wind the gas supply tube when the gas supply tube is not under tension to shorten the length dimension of the gas supply tube and to lengthen the gas supply tube when the gas supply tube is under tension to adjust the length dimension of the gas supply tube.

In some embodiments, the mask is sleeved on the face of the operator through an elastic bandage, and the braces are inelastic flexible materials so as to fasten the end parts of the air supply pipe and the end parts of the exhaust pipe to the body surface of the operator;

Be equipped with first staple bolt, first buckle, second staple bolt and second buckle on the braces, first staple bolt with first buckle relative arrangement, and through first staple bolt with first buckle will supply air pipe fixed connection in the braces, the second staple bolt with second buckle relative arrangement, and through the second staple bolt with second buckle will blast pipe fixed connection in the braces.

Drawings

Fig. 1 is a schematic view of a harness of a portable oxygen supply system according to an embodiment of the present utility model.

Fig. 2 is a front view of a mask of a portable oxygen supply system according to an embodiment of the present utility model.

Fig. 3 is a side view of a mask of a portable oxygen supply system according to an embodiment of the present utility model.

Reference numerals:

1. A face mask; 11. a first joint; 12. a second joint;

2. a harness; 21. the first hoop; 22. a first buckle; 23. the second hoop; 24. a second bayonet;

3. An air suction pipe; 4. an exhalation tube; 5. an air supply pipe; 6. and an exhaust pipe.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

A portable oxygen supply system according to an embodiment of the present utility model is described below with reference to fig. 1, 2 and 3.

The portable oxygen supply system of the embodiment of the utility model comprises a face mask 1, a back strap 2, an air supply pipe 5, an exhaust pipe 6, an expiration pipe 4 and an air suction pipe 3.

The mask 1 is suitable for sealing the face of an operator, the harness 2 is suitable for bypassing the shoulders of the operator and is fixed on the trunk of the operator, and the harness 2 is inelastic.

Specifically, the mask 1 covers the nose and the mouth, does not cover other parts such as eyes, has the same wearing area as the mask, and the mask 1 and the face fitting part adopt soft elastic substances of the fitting face as isolation materials, so that the mouth and the nose of an operator are sealed and isolated from the outside, the whole mask 1 body adopts a light hard composite material, the strength of the mask 1 is ensured, and the weight of the mask 1 is reduced, thereby reducing the load of the operator.

The face guard 1 is fixed in operating personnel's head through the elastic bandage, and the elastic bandage has elasticity and can be fixed in operating personnel's face with face guard 1 when improving operating personnel's comfort level, but when face guard 1 receives external force face guard 1 breaks away from with operating personnel's face easily, makes operating personnel's mouth and nose expose in the working space.

The back strap 2 is detachably tied around the body of the operator, so that the back strap 2 can be completely fixed on the body surface of the operator, and the back strap 2 has no elasticity, so that when the back strap 2 is subjected to external force, each part of the back strap 2 is kept close to the body surface of the operator.

The stiff end of air supply pipe 5 links to each other with braces 2 are fixed, and the other end of air supply pipe 5 is suitable for extending to the outside of working space, and the length adjustable of air supply pipe 5 is suitable for supplying air in the face guard 1 from the working space outside, and the stiff end of blast pipe 6 links to each other with braces 2 are fixed, and the other end of blast pipe 6 is suitable for extending to the outside of working space, and the length adjustable of blast pipe 6 is suitable for discharging the air in the face guard 1 to the working space outside.

Specifically, one end of the air supply pipe 5 extends to the outside of the working space, the other end of the air supply pipe 5 is fixedly connected to the strap 2, when the air supply pipe 5 receives external force, the air supply pipe 5 conducts the external force received by the air supply pipe to the strap 2, and the strap 2 is still fixed on the body surface of an operator, so that the air supply pipe 5 is prevented from falling off.

One end of the exhaust pipe 6 extends to the outer side of the working space, the other end of the exhaust pipe 6 is fixedly connected to the brace 2, when the exhaust pipe 6 receives external force, the exhaust pipe 6 conducts the external force received by the exhaust pipe to the brace 2, and the brace 2 is still fixed on the body surface of an operator, so that the exhaust pipe 6 is prevented from falling off.

The air suction pipe 3 is connected between the fixed end of the air supply pipe 5 and the mask 1 to be adapted to supply air into the mask 1, and the air discharge pipe 4 is connected between the mask 1 and the fixed end of the air discharge pipe 6 to be adapted to discharge air from the mask 1.

Specifically, the air suction pipe 3 is connected between the mask 1 and the end of the air supply pipe 5 connected to the harness 2 so that the air flow in the air supply pipe 5 can flow into the mask 1, and the air discharge pipe 4 is connected between the mask 1 and the end of the air discharge pipe 6 connected to the harness 2 so that the air in the mask 1 can flow out along the air discharge pipe 6.

The mask 1 of the portable oxygen supply system according to the embodiment of the utility model is connected with the air supply pipe 5 through the air suction pipe 3, the mask 1 is connected with the exhaust pipe 6 through the air exhaust pipe 4, one end of the air supply pipe 5 connected with the air suction pipe 3 is fastened on the trunk of an operator through the braces 2, one end of the exhaust pipe 6 connected with the air exhaust pipe 4 is fastened on the trunk of the operator through the braces 2, when the air supply pipe 5 and/or the exhaust pipe 6 receive external force in the rescue process, the external force received by the air supply pipe 5 and/or the exhaust pipe 6 is transmitted to the braces 2 along the length direction, namely, the transmission is stopped, on one hand, the portable oxygen supply system can accurately remind the operator that the air supply pipe 5 and/or the exhaust pipe 6 receive external force, on the other hand, the air suction pipe 3 is not subjected to the external force transmitted by the air supply pipe 5, and the air exhaust pipe 4 is not subjected to the external force transmitted by the exhaust pipe 6, so that the mask 1 is not stressed when the air supply pipe 5 and/or the exhaust pipe 6 receive external force, and the mask 1 is prevented from being pulled off, and the portable oxygen supply system according to the embodiment of the utility model has the advantage of higher reliability.

In some embodiments, the portable oxygen supply system further comprises a first one-way valve (not shown) provided to the exhalation tube 4 to allow one-way flow of air in the exhalation tube 4 from the mask 1 to the exhaust tube 6, and a second one-way valve (not shown) provided to the inhalation tube 3 to allow one-way flow of air in the inhalation tube 3 from the supply tube 5 to the mask 1.

Specifically, by arranging the first check valve and the second check valve, the gas in the exhalation tube 4 and the inhalation tube 3 flows unidirectionally, so that when the portable oxygen supply system of the embodiment of the utility model works, the gas flows unidirectionally along the direction of the gas supply tube 5-the inhalation tube 3-the mask 1-the exhalation tube 4-the exhaust tube 6, the air containing oxygen flows unidirectionally along the gas supply tube 5 and the inhalation tube 3 into the mask 1 for breathing by an operator, and the gas exhausted by the breathing system of the operator flows out of the mask 1 along the exhalation tube 4 and the exhaust tube 6.

In some embodiments, the mask 1 is provided with a first connector 11 and a second connector 12, the first connector 11 is detachably connected with the exhalation tube 4 in a sealing way so as to communicate the exhalation tube 4 with the inner side of the mask 1, and the second connector 12 is detachably connected with the inhalation tube 3 in a sealing way so as to communicate the inhalation tube 3 with the inner side of the mask 1.

In some embodiments, exhalation tube 4 is threadably secured to first connector 11 and inhalation tube 3 is threadably secured to second connector 12.

Specifically, the end of the expiration tube 4 is provided with an internal thread, the outer side of the first joint 11 is provided with an external thread, the internal thread of the end of the expiration tube 4 and the external thread on the first joint 11 can be screwed together, so that the expiration tube 4 can be connected with the first joint 11 in a threaded sealing manner, the end of the inspiration tube 3 is provided with an internal thread, the outer side of the second joint 12 is provided with an external thread, and the internal thread of the end of the inspiration tube 3 and the external thread on the second joint 12 can be screwed together, so that the expiration tube 3 can be connected with the second joint 12 in a threaded sealing manner.

In some embodiments, the first joint 11 and the second joint 12 are symmetrically arranged in the left-right direction of the mask 1.

Thereby, the oxygen-containing gas is caused to flow in the mask 1 in a direction from the first joint 11 to the second joint 12, and the exhalation tube 4 and the inhalation tube 3 are respectively located on the left and right sides of the mask 1 to prevent the exhalation tube 4 and the inhalation tube 3 from being entangled.

In some embodiments, a blower device (not shown) is provided outside the working space and connected to the gas supply pipe 5, adapted to drive air outside the working space through the mask 1 and create a positive pressure in the mask 1.

Specifically, the blower device pumps oxygen-containing gas into the mask 1 from the outside of the working space, so that the gas pressure in the mask 1 is larger than the pressure in the working space, and harmful gas in the working space is prevented from entering the mask 1 when the portable oxygen supply system of the embodiment of the utility model works.

In some embodiments, the length dimension of the exhalation tube 4 and the length dimension of the inhalation tube 3 are both greater than a first set threshold and less than a second set threshold to avoid that the exhalation tube 4 and/or inhalation tube 3 affect the operator action.

In some embodiments, the portable oxygen supply system further comprises an air supply manifold, the end of which is provided with a decentralized joint for connecting air supply pipes 5 of a plurality of portable oxygen supply systems to the same air supply manifold.

In some embodiments, the gas supply pipe 5 is provided with a winding portion (not shown in the drawings) adapted to wind the gas supply pipe 5 to shorten the length of the gas supply pipe 5 when the gas supply pipe 5 is not under tension and to lengthen the gas supply pipe 5 to adjust the length of the gas supply pipe 5 when the gas supply pipe 5 is under tension.

Specifically, the winding part is arranged in the middle section of the air supply pipe 5, part of the air supply pipe 5 can be wound in the winding part, an elastic piece (not shown in the figure) is arranged in the winding part, the elastic piece can drive the air supply pipe 5 to wind to form the winding part, and when the air supply pipe 5 is subjected to tensile force, the tensile force applied to the air supply pipe 5 can overcome the internal force of the elastic piece, so that the air supply pipe 5 in the winding part is released, and the total length of the air supply pipe 5 is increased, so that an operator can conveniently move in an operation space.

In some embodiments, the mask 1 is fitted over the face of the operator by means of an elastic bandage, the harness 2 being of inelastic flexible material to secure the ends of the gas supply tube 5 and the exhaust tube 6 to the operator's body surface;

Be equipped with first staple bolt 21, first buckle 22, second staple bolt 23 and second buckle 24 on the braces 2, first staple bolt 21 and first buckle 22 relative arrangement, and through first staple bolt 21 and first buckle 22 with air supply pipe 5 fixed connection in braces 2, second staple bolt 23 and second buckle 24 relative arrangement, and through second staple bolt 23 and second buckle 24 with blast pipe 6 fixed connection in braces 2.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While the above embodiments have been shown and described, it should be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the utility model.

Claims (10)

1. A portable oxygen supply system, comprising:

A mask adapted to be sealingly covered on the face of the operator, and a harness adapted to bypass the shoulders of the operator and be secured to the torso of the operator and being inelastic;

the fixing end of the air supply pipe is fixedly connected with the braces, the other end of the air supply pipe is suitable for extending to the outer side of the working space, the length of the air supply pipe is adjustable to be suitable for supplying air from the outer side of the working space to the inner side of the face mask, the fixing end of the air exhaust pipe is fixedly connected with the braces, the other end of the air exhaust pipe is suitable for extending to the outer side of the working space, and the length of the air exhaust pipe is adjustable to be suitable for exhausting air in the face mask to the outer side of the working space;

And the air exhaling pipe is connected between the fixed end of the air supply pipe and the fixed end of the exhaust pipe so as to be suitable for exhausting air in the mask.

2. The portable oxygen supply system of claim 1, further comprising a first one-way valve disposed in the exhalation tube for one-way flow of air in the exhalation tube from within the mask to the exhaust tube and a second one-way valve disposed in the inhalation tube for one-way flow of air in the inhalation tube from the air supply tube to within the mask.

3. The portable oxygen supply system of claim 2, wherein the mask is provided with a first connector and a second connector, the first connector is detachably and sealingly connected to the exhalation tube to communicate the exhalation tube with the inside of the mask, and the second connector is detachably and sealingly connected to the inhalation tube to communicate the inhalation tube with the inside of the mask.

4. A portable oxygen supply system according to claim 3, wherein the exhalation tube is threadably secured to the first connector and the inhalation tube is threadably secured to the second connector.

5. A portable oxygen supply system according to claim 3, wherein the first and second connectors are symmetrically arranged in a left-right direction of the mask.

6. The portable oxygen supply system of any of claims 1-5, further comprising a blower device disposed outside the working space and connected to the gas supply tube, adapted to drive air outside the working space through the mask and create positive pressure within the mask.

7. The portable oxygen delivery system of claim 6, wherein the length dimension of the exhalation tube and the length dimension of the inhalation tube are both greater than a first set threshold and less than a second set threshold to avoid the exhalation tube and/or inhalation tube from affecting operator action.

8. The portable oxygen supply system of claim 6, further comprising an air supply manifold having a decentralized joint at an end of the air supply manifold for connecting air supply pipes of a plurality of portable oxygen supply systems to the same air supply manifold.

9. The portable oxygen supply system of claim 6, wherein the gas supply tube is provided with a winding portion adapted to wind the gas supply tube to shorten the length dimension of the gas supply tube when the gas supply tube is not under tension and to lengthen the gas supply tube when the gas supply tube is under tension to adjust the length dimension of the gas supply tube.

10. The portable oxygen supply system of claim 6, wherein the mask is sleeved on the face of the operator through an elastic bandage, and the harness is made of inelastic flexible material to fasten the end of the air supply pipe and the end of the exhaust pipe to the body surface of the operator;

Be equipped with first staple bolt, first buckle, second staple bolt and second buckle on the braces, first staple bolt with first buckle relative arrangement, and through first staple bolt with first buckle will supply air pipe fixed connection in the braces, the second staple bolt with second buckle relative arrangement, and through the second staple bolt with second buckle will blast pipe fixed connection in the braces.