RU140615U1 - FULL MASK - Google Patents

Abstract

1. Full-face mask, consisting of a body made of transparent plastic fixed in an elastic shutter, a headband, a suction pad with inspiration valves, an exhalation valve, buckles and a valve box fixed to a transparent plastic case or in an elastic shutter, characterized in that the valve the box contains a body, a saddle, at least one groove directing the flow of the inhaled respiratory mixture to the body of transparent plastic, an elastic membrane with a rigid center, fixed in the valve box body, mouth ment of the hard center, at least one exhaust valve to a shutoff seat vydoha.2 phase. The full-face mask according to claim 1, characterized in that the valve box body has a connecting element for external devices on the end part. The full-face mask according to claim 2, characterized in that the connecting element of the valve box body has an internal or external thread. The full-face mask according to claim 2, characterized in that the connecting element of the valve box housing is made in the form of a plug connection. The full-face mask according to claim 2, characterized in that the connecting element of the valve box housing is made in the form of a bayonet connection.

Description

The utility model relates to personal respiratory protection: in the life support systems of the crew of aircraft, in diving, fire and mountain rescue equipment, for performing underwater, emergency rescue and other work in a non-breathing environment.

Known panoramic mask (patent PM No. 121742 of 06/19/2012) containing a transparent plastic housing, an obturator, a suction cup with inspiratory valves, a single prefabricated valve box with a suction cup, the panoramic mask includes two exhalation valves located in series located on the outside of the valve box , and a conversation membrane installed in the cavity of the valve box from the mounting side of the suction cup. Inhalation is carried out through the filter element, exhale through the exhalation valves of the valve box.

The disadvantage of this technical solution is that in this panoramic mask, the connecting fittings for the filter elements are located on the sides relative to the valve box, in the vicinity of the inspector valves of the suction pad so that when inhaling, the body is made of transparent plastic, which results in fogging and deterioration visibility.

Known full-face diving mask (VM-6 9V4.197.097TU, product catalog of the company TETIS-PRO, http://www.tetis-pro.ru) containing a housing made of transparent plastic, an obturator, a suction cup with inhalation valves, a valve box with an exhalation valve and integrated lung machine. Blowing the case out of transparent plastic, preventing it from fogging, is provided only in the design of the valve box and the shutter, in which the channels of inhalation and exhalation are separated, inhalation is carried out from the pulmonary machine, and exhalation is through the valve exhalation valve.

It is not possible to attach the valve box of the apparatus with a closed or semi-closed breathing cycle in a design with a blower.

In the performance of the mask for use with the apparatus for scuba diving with a closed or semi-closed breathing cycle, the exhalation valve is silenced, and an adapter with a mouthpiece is installed on the connecting nipple.

The drawback of the design of the mask for the apparatus with a closed or semi-closed breathing cycle is that there is no blowing of the case from transparent plastic, which leads to fogging.

The known design of the valve assembly of the oxygen mask (patent for the invention RU No. 1744821 from 01/30/1989) containing a housing with an inspiration valve. The housing has a rigid lodgement with a compensating chamber, which is fixed between the lodgement and the annular seat of the exhalation valve by means of a sealing ring, nut and ring. The end wall of the chamber facing the valve seat has triangular projections with vertices facing the valve seat. The lateral surface of the chamber is located with a gap relative to the body of the exhalation valve. The unit is installed in a mask, which is communicated through the inspiration valve with an oxygen device. Inhalation is carried out from the oxygen device, exhale through the exhalation valve of the valve assembly.

The disadvantage of this technical solution is that the valve assembly design does not allow its use in a full-face mask, since it is impossible to organize blowing of the case from transparent plastic, and it is also impossible to inhale and exhale through the valve box of the device with a closed or semi-closed breathing cycle.

Known full-face mask AGA (MKII) company Interspiro (product catalog of the company TETIS-PRO, http://www.tetis-pro.ru. Prototype), consisting of a housing made of transparent plastic, elastic shutter, headband, half-shoe, mask with valves lobe-type inhalation, buckles and valve box with a body and an additional inspiratory valve and an integrated pulmonary machine with a lobe-type exhalation valve. Inhale and exhale through the pulmonary machine.

The disadvantage of this mask is that it cannot be used with a closed or semi-closed breathing apparatus.

The proposed utility model solves the problem of creating a full-face mask that provides blowing of the body of transparent plastic on inspiration to prevent it from fogging when used with various attachable devices, such as the valve box of a device with a closed or semi-closed breathing cycle, a pulmonary machine of a breathing apparatus or an aircraft oxygen device.

The technical problem was solved in the design of a full-face mask, consisting of a body made of transparent plastic fixed in an elastic shutter, a headband, a suction pad with inhalation valves, an exhalation valve, buckles and a valve box mounted on a transparent plastic case or in an elastic shutter, while the valve box contains a body, a saddle, at least one groove directing the flow of the inhaled respiratory mixture to the body of transparent plastic; an elastic membrane with a rigid center, fixed in the valve housing; mounted on a rigid center with at least one exhalation valve overlapping the saddle in the exhalation phase.

To connect external devices, for example, a lung machine of a breathing apparatus or a valve box of an apparatus with a closed or semi-closed breathing cycle, or an aviation oxygen device, the valve box body has a connecting element at the end part, which can be threaded, plug-in or bayonet-type.

The technical result - the creation of a full-face mask that provides airflow to the body of transparent plastic on inhalation to prevent it from fogging when used with various attachable devices, such as the valve box of the device with a closed or semi-closed breathing cycle, a pulmonary automaton of a breathing apparatus or an aviation oxygen device, is achieved the fact that the valve box contains a housing, a saddle, at least one groove directing the flow of the inhaled respiratory mixture to the housing made of transparent plastic ; an elastic membrane with a rigid center, fixed in the valve housing; mounted on a rigid center with at least one exhalation valve overlapping the saddle in the exhalation phase.

To connect external devices, for example, a lung machine of a breathing apparatus or a valve box of an apparatus with a closed or semi-closed breathing cycle, or an aviation oxygen device, the valve box body has a connecting element at the end part, which can be threaded, plug-in or bayonet-type.

When conducting patent research it was found that the totality of the distinguishing features of the proposed design of the full-face mask was not found in the known designs of full-face masks or in devices or systems incorporating a full-face mask.

In FIG. 1 shows the construction of a full-face mask (inspiratory phase).

In FIG. 2 shows the construction of a full-face mask (expiratory phase).

In FIG. 3 shows a full-face mask with a threaded connecting element for connecting external devices to the valve body body.

In FIG. 4 shows a full-face mask with a plug-in connecting element for connecting external devices to the valve body housing.

In FIG. 5 shows a full-face mask with a bayonet fitting for attaching external devices to the valve body.

The full-face mask (Fig. 1, 2) consists of a housing 1 made of transparent plastic fixed in an elastic obturator 2, headband 3, a suction cup 4 with inspiration valves 5; exhalation valve 6, buckles 7 and valve box 8, mounted on the housing 1 or in an elastic obturator 2, having: the housing 9, containing a seat 10, at least one groove 11, directing the flow of the inhaled respiratory mixture to the housing 1 of transparent plastic; an elastic membrane 12 with a rigid center 13, mounted in the housing 9, with at least one exhalation valve 6 mounted on the rigid center 13, overlapping the seat 10 in the exhalation phase.

To connect external devices, for example, a pulmonary automaton 15 (Fig. 3) of a breathing apparatus or valve box 16 (Fig. 4) of an apparatus with a closed or half-closed breathing cycle, or an aviation oxygen device 17 (Fig. 5), the valve box body 9 has a connecting element on the end part 14, which can be threaded (Fig. 3), plug-in (Fig. 4) or bayonet (Fig. 5).

The breathing process in a full-face mask is carried out as follows: in the initial state with an external device 15 attached to element 14 (Fig. 3) (a lung machine or valve box of the apparatus with a closed or semi-closed breathing cycle; not shown), an elastic membrane 12 (Fig. 2 ) due to its own elasticity is pressed against the saddle 10, the exhalation valve 6 is pressed against the rigid center 13; when inhaling, a vacuum is created in the submask space A, under which the inspiratory valves 5 (Fig. 1) open, the elastic membrane 12 bends and breaks away from the seat 10, while the exhalation valve 6 (Fig. 2) is pressed against the rigid center 13, while a portion the inhaled respiratory mixture (either oxygen or air) passes through the gap between the seat 10 and the elastic membrane 12 and through the groove 11 is sent to the housing 1 (Fig. 1), blowing it. Then, through the inspiratory valve 5, the inhaled flow enters the submask space A for the user's inspiration. When you exhale (Fig. 2) in the mask space A creates excessive pressure, under the influence of which the inspiration valve 5 closes, the elastic membrane 12 (Fig. 2) is pressed against the seat 10, thereby preventing the exhaled flow from entering the body 1 (Fig. 1) and his fogging. The flow itself passes through the exhalation valve 6 to the outlet of the valve box 8 and then to the external device 15 (Fig. 3).

This design allows you to connect to the element 14 of the filter element (not shown), while providing airflow to the housing 1, made of transparent plastic.

Claims (5)

1. Full-face mask, consisting of a body made of transparent plastic fixed in an elastic shutter, a headband, a suction pad with inspiration valves, an exhalation valve, buckles and a valve box fixed to a transparent plastic case or in an elastic shutter, characterized in that the valve the box contains a body, a saddle, at least one groove directing the flow of the inhaled respiratory mixture to the body of transparent plastic, an elastic membrane with a rigid center, fixed in the valve box body, mouth ment of the hard center, at least one exhaust valve seat for overlying an exhalation phase. 2. The full-face mask according to claim 1, characterized in that the valve box housing has a connecting element for external devices on the end part. 3. The full-face mask according to claim 2, characterized in that the connecting element of the valve box body has an internal or external thread. 4. Full-face mask according to claim 2, characterized in that the connecting element of the valve box housing is made in the form of a plug connection. 5. The full-face mask according to claim 2, characterized in that the connecting element of the valve box housing is made in the form of a bayonet connection.

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