CN215461530U

CN215461530U - Oxygen mask for altitude unit

Info

Publication number: CN215461530U
Application number: CN202120725909.9U
Authority: CN
Inventors: 曾亮; 周峰; 史亚杰; 孔祥骏; 巩岩; 侯向宇
Original assignee: Hangke Technology Development Co ltd
Current assignee: Hangke Technology Development Co ltd
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2022-01-11
Anticipated expiration: 2031-04-09

Abstract

The utility model discloses an oxygen mask for a high altitude unit, which comprises: the mask comprises a mask main body, an elastic bandage and a liquid silica gel buffer part; the mask main body is a cavity for accommodating the nose of a person, the cavity has a shape like a Chinese character 'tu', and air holes are formed below the mask main body; the liquid silica gel buffer part is arranged at the edge of the mask main body; oxygen pipe insertion ports are respectively arranged on two sides below the mask main body, inner cavities of the oxygen pipe insertion ports are communicated with a cavity of the mask main body, and the oxygen pipe insertion ports and the mask main body have inclination angles of 35-80 degrees; the elastic bandage is respectively connected with the left side and the right side of the mask main body. The utility model can meet the oxygen demand of the high altitude unit under the normal conditions of takeoff, descent and the like; the oxygen mask disclosed by the utility model is exposed out of the mouth of a human body, so that communication and wearing of crewmembers can be facilitated, and the flight safety is improved.

Description

Oxygen mask for altitude unit

Technical Field

The utility model relates to the technical field of masks, in particular to an oxygen mask for supplementing a high altitude unit.

Background

At present, no normalized oxygen mask specially applied to high altitude units exists. When the unit carries out high altitude flights, oxygen needs to be supplemented in key stages of takeoff, descending and the like due to high cabin pressure, and the current airborne emergency oxygen system only supports the use of the airplane in emergency situations (such as pressure release or smoke and toxic gas), and is not suitable for long-time and normal use of the unit. The plateau flight operation is one of the characteristics that the civil aviation transportation of China is different from European and American civil aviation, solves the problem of oxygen supplementation of onboard personnel caused by the plateau operation, and has innovative significance on the development of the global civil aviation industry.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the utility model provides an oxygen mask for a high altitude unit in key takeoff and descent stages, which can meet the oxygen demand of the high altitude unit under the normal conditions of takeoff, descent and the like; the oxygen mask disclosed by the utility model is exposed out of the mouth of a human body, so that communication and wearing of crewmembers can be facilitated, and the flight safety is improved.

The oxygen mask for the high altitude unit of the embodiment of the utility model comprises: the mask comprises a mask main body, an elastic bandage and a liquid silica gel buffer part; the mask main body is a cavity capable of accommodating the nose of a person, the cavity has a shape like a Chinese character 'tu', and air holes are formed below the mask main body; the liquid silica gel buffer part is arranged at the edge of the mask main body; oxygen pipe insertion ports are respectively arranged on two sides below the mask main body, inner cavities of the oxygen pipe insertion ports are communicated with a cavity of the mask main body, and the surfaces of the oxygen pipe insertion ports and the corresponding positions of the mask main body are provided with inclination angles of 35-80 degrees; the elastic bandage is respectively connected with the left side and the right side of the mask main body.

Optionally, an oxygen tube and a link; one end of the oxygen tube is connected with the oxygen tube plug port, the other end of the oxygen tube is connected with one end of the linking piece, and the other end of the linking piece is connected with the oxygen bottle through the oxygen tube.

Optionally, a plurality of barb structures are arranged on the outer peripheral surface of the end part of the link at intervals, or annular barb structures are arranged on the outer peripheral surface of the end part of the link along the circumferential direction of the link.

Optionally, a plurality of barb structures are arranged on the outer peripheral surface of the oxygen pipe insertion port at intervals, or an annular barb structure along the circumferential direction of the oxygen pipe insertion port is arranged on the outer peripheral surface of the oxygen pipe insertion port.

Optionally, the oxygen mask for the high altitude unit further comprises a blocking cap for sealing the oxygen tube insertion port. Optionally, the vent is a circular hole, an elliptical hole, an elongated hole, or an annular hole.

Optionally, the oxygen mask for a high altitude unit further comprises: adjusting the buckle; the left and right sides of the mask main body are provided with connecting parts, and the end parts of the elastic bandages pass through the adjusting buckles and the connecting parts and then pass through the adjusting buckles again.

Optionally, the left and right sides of the mask body are provided with connecting portions, and the two ends of the elastic band are tied to the connecting portions respectively, or the two ends of the elastic band are tied together after passing through the connecting portions.

Optionally, the mask body is made of translucent hard plastic, or fully transparent hard plastic, or colored frosted hard plastic.

Optionally, the buffer part is liquid silica gel with flame retardant capability and medical grade.

An embodiment in the above-mentioned utility model has following advantage or beneficial effect: the mask main body with the shape of a Chinese character 'tu' is adopted, and the nose mask type structure is exposed out of the position of the mouth of a human body, so that the communication and wearing of a crew member on the airplane are facilitated, and the flight safety is improved; because the mask main body does not have a part extending along the face of a person, the mask structure can be simplified on the basis of containing the nose of the person, and the volume and the weight of the mask body are reduced; the vent holes are formed in the lower portion of the mask main body, so that the flying personnel can conveniently discharge carbon dioxide in time when breathing, and the flying personnel can breathe more smoothly; the edge of the mask main body is provided with the buffer part, and the buffer part is directly contacted with the skin to wrap the nose part, so that the sealing performance in the wearing process can be improved, the extrusion feeling of the mask main body on the face of a flight crew can be buffered, and the comfort of the flight crew is improved; the left side and the right side below the mask main body are respectively provided with an oxygen pipe insertion port, so that a proper oxygen pipe insertion port can be adjusted and selected according to the position of a flight crew, and the mask adaptability is improved. The mask can solve the problems of poor wearing comfort and the like of the existing mask, meets the wearing comfort requirement of flight personnel, and reduces long-time wearing fatigue.

Further effects of the above-mentioned non-conventional alternatives will be described below in connection with the embodiments.

Drawings

The drawings are included to provide a better understanding of the utility model and are not to be construed as unduly limiting the utility model. Wherein:

FIG. 1 is a schematic view of an oxygen mask for a high altitude unit in an embodiment of the present invention;

FIG. 2 is a schematic view of a mask body in an embodiment of the present invention;

FIG. 3 is a schematic view of a vent in an alternative embodiment of the utility model;

FIG. 4 is an enlarged partial schematic view of region A of FIG. 2;

FIG. 5 is a schematic view of an adjustment buckle in an embodiment of the present invention;

FIG. 6 is a schematic view of a link element of an embodiment of the present invention;

FIG. 7 is a front view of a link of an embodiment of the present invention;

FIG. 8 is a left side view of a link of an embodiment of the present invention;

FIG. 9 is a right side view of a link of an embodiment of the present invention.

Detailed Description

Exemplary embodiments of the present invention are described below with reference to the accompanying drawings, in which various details of embodiments of the utility model are included to assist understanding, and which are to be considered as merely exemplary. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the utility model. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.

Fig. 1 is a schematic diagram of an oxygen mask for a high altitude unit according to an embodiment of the present invention, and as shown in fig. 1, the oxygen mask for a high altitude unit includes: a mask body 10, an elastic band 20 and a liquid silicone cushion portion 30.

The airborne emergency oxygen system in the prior art is only used when the aircraft is in emergency, and the emergency oxygen mask covers the mouth, the nose and other parts of the driver, so that the driver is not convenient to talk and the wearing comfort is relatively poor. The oxygen mask is a nose mask type, the position of the mouth of a human body is exposed, and the flight safety is improved by bringing convenience to communication and wearing on the aircraft by crew members. Because the oxygen mask used by the onboard emergency oxygen system completely covers the mouth, the nose and the like of a driver, the structure volume and the weight are large. Fig. 2 is a schematic view of a mask body according to an embodiment of the present invention, and as shown in fig. 2, the mask body 10 according to the present invention is a cavity that can accommodate a person's nose and has a "convex" shape, and since the mask body does not have a portion that extends along the contour of the person's face, the mask structure can be simplified to accommodate the person's nose, reducing the mask volume and weight.

The lower part of the mask main body 10 is provided with the air holes 12 so that the flying personnel can discharge carbon dioxide in time when breathing, and the flying personnel can breathe more smoothly. The shape of the ventilation holes 12 can be selectively set according to actual conditions, such as circular holes, elliptical holes, elongated holes, or annular holes. The shape of the air holes 12 can be selectively set according to actual conditions, for example, a plurality of strip-shaped holes are sequentially arranged end to form an annular hole, a plurality of annular holes formed by sequentially arranging a plurality of strip-shaped holes end to end are arranged below the mask body, or a plurality of annular air holes are adopted. As another example, rows of circular ventilation holes (as shown in FIG. 3) are used. Compared with the air holes with other shapes, the circular air holes have better stability in high altitude scenes.

The liquid silicone cushion part 30 is arranged at the edge of the mask main body 10, and one side of the liquid silicone cushion part 30 contacting with a person has a shape matched with the facial contour of the corresponding position. When wearing, the nose part is wrapped up to buffering portion direct contact skin, can improve the leakproofness of wearing the in-process on the one hand, and on the other hand can cushion the sense of extrusion of face guard main part to flight crew face, improves flight crew's travelling comfort.

The lower part of the mask main body 10 is provided with oxygen pipe insertion ports 11 at two sides, and the inner cavity of the oxygen pipe insertion port 11 is communicated with the cavity of the mask main body 10 so as to supply oxygen. The oxygen pipe insertion ports 11 are respectively arranged on the left side and the right side of the lower portion of the mask main body 10, so that the oxygen pipe insertion ports can be properly adjusted and selected according to the positions of flying personnel, and the mask adaptability is improved. For example, the captain of the unit can quickly switch to use the oxygen hose interface at the corresponding position when the main driving seat and the auxiliary driving seat.

The oxygen mask for a high altitude unit according to an embodiment of the present invention may further include an oxygen tube (not shown) and a link 50 (shown). One end of the oxygen tube is connected with the oxygen tube insertion port 11, the other end is connected with one end of the link element 50, and the other end of the link element 50 is connected with the oxygen bottle through the oxygen tube. By arranging the link element 50, the adaptability between the oxygen pipe interface 11 and the air outlets of different oxygen bottles can be improved, and the adaptability of the oxygen mask is improved.

Typically, the oxygen tube can be directly inserted into the link 50, and the oxygen tube is deformed to seal the link 50. In practical application, a barb structure may be disposed at an end of the link element 50 to improve the sealing between the oxygen tube or oxygen tube and the link element 50 and to improve the stability of the link. The barb structure can increase the resistance that oxygen hose or oxygen therapy pipe pulled out from linking piece 50 for the oxygen hose or oxygen therapy pipe and linking piece 50 combination more compact, avoid droing, guarantee safe in utilizationly. The number and specific structure of the barb structures may be selectively set according to actual conditions, for example, a plurality of barb structures are provided at intervals on the outer circumferential surface of the end portion of the link element 50, or, as shown in fig. 6, annular barb structures are provided on the outer circumferential surface of the end portion of the link element 50 in the circumferential direction of the link element 50. As shown in FIGS. 6 and 7, the radial dimension of the annular barb structure decreases axially closer to the end of link element 50.

The oxygen mask for a high altitude unit according to an embodiment of the present invention may further include a locking cap (not shown in the drawings) for sealing the oxygen hose insertion port 11. For example, when oxygen is supplied through the left oxygen tube insertion port, the right oxygen tube insertion port is sealed by the stopper cap.

In an alternative embodiment, the surface of the oxygen hose interface 11 corresponding to the mask body 10 has an angle of inclination of 35-80 degrees. By tilting the oxygen inlet relative to the mask body 10, problems with oxygen supply due to the oxygen tube becoming blocked by deformation of the oxygen tube junction can be avoided.

Optionally, an agnail structure 14 can be arranged on the outer peripheral surface of the oxygen tube interface 11, and the agnail structure can increase the resistance of pulling the oxygen tube from the oxygen tube interface, so that the oxygen tube is more compact with the combination of the mask body, and the falling-off is avoided, and the use safety is ensured. The number and specific structure of the barb structures can be selectively set according to actual conditions, for example, a plurality of barb structures are arranged on the outer peripheral surface of the oxygen tube interface 11 at intervals, or, as shown in fig. 4, an annular barb structure along the circumferential direction of the oxygen tube interface 11 is arranged on the outer peripheral surface of the oxygen tube interface 11. As shown in FIG. 4, the radial dimension of the annular barb structure is larger the closer it is axially to mask body 10.

The elastic bands 20 are connected to the left and right sides of the mask body 10, respectively. Elastic bandage 20 can adopt the flexible glue material, and elasticity is better, can guarantee to use under the travelling comfort prerequisite, can take off when being convenient for meet emergency fast, easy to assemble. The connection mode of the elastic band 20 and the mask body 10 may be selectively set according to actual conditions as long as the mask body 10 can be closely attached to the face of the flight crew.

In some optional embodiments, the oxygen mask for a high altitude unit further comprises: the adjustment catch 40. In an alternative embodiment shown in fig. 1 and 5, the mask body 10 is provided with connecting portions 13 on both left and right sides thereof, and the end portion of the elastic band 20 passes through the adjustment buckle 40 and the connecting portions 13 and then passes through the adjustment buckle 40 again. The length of the elastic band 20 can be controlled by adjusting the buckle 40, so as to adjust the tightness of the band, and the elastic band is suitable for different people.

In other alternative embodiments, the mask body 10 is provided with connecting portions 13 on the left and right sides, and both ends of the elastic band 20 are tied to the connecting portions 13, respectively, or both ends of the elastic band 20 are tied together after passing through the connecting portions 13.

The mask body 10 may be made of a translucent hard plastic, or a fully transparent hard plastic, or a colored frosted hard plastic. The mask body 10 is made of frosted hard plastic, so that the mask is convenient to realize in process and low in cost. The mask is arranged in a semitransparent mode, so that a certain shielding effect can be achieved on the basis that the internal condition of the mask can be observed. For example, the flying personnel can leave the nasal discharge in the nose mask to cause embarrassment under the conditions of cold, rhinitis and the like.

The liquid silicone rubber buffer 30 may be a medical grade liquid silicone rubber with flame retardant capability. Liquid silica gel direct contact skin parcel nose part, the material is more soft comfortable, can not have the peculiar smell, can improve and wear the travelling comfort, and the durability is good. The liquid silica gel adopted by the embodiment is low-temperature resistant and high-temperature resistant, and is particularly suitable for high altitude scenes.

The above-described embodiments should not be construed as limiting the scope of the utility model. Those skilled in the art will appreciate that various modifications, combinations, sub-combinations, and substitutions can occur, depending on design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An oxygen mask for a high altitude unit, comprising: the mask comprises a mask main body (10), an elastic bandage (20) and a liquid silica gel buffer part (30); the mask main body (10) is a cavity for accommodating the nose of a person, the cavity has a convex shape, and air holes (12) are arranged below the mask main body (10); the liquid silica gel buffer part (30) is arranged at the edge of the mask main body (10); oxygen pipe insertion ports (11) are respectively arranged on two sides below the mask main body (10), the inner cavity of each oxygen pipe insertion port (11) is communicated with the cavity of the mask main body (10), and the oxygen pipe insertion ports (11) and the mask main body (10) have an inclination angle of 35-80 degrees; the elastic bands (20) are respectively connected with the left side and the right side of the mask main body (10).

2. An oxygen mask for a high altitude unit as claimed in claim 1, further comprising: an oxygen tube and a link (50); one end of the oxygen tube is connected with the oxygen tube inserting port (11), the other end of the oxygen tube is connected with one end of the linking piece (50), and the other end of the linking piece (50) is connected with the oxygen bottle through the oxygen tube.

3. The oxygen mask for high altitude machine set according to claim 2, wherein the link (50) has a plurality of barb structures spaced apart from each other on the outer peripheral surface of the end portion thereof, or the link (50) has an annular barb structure on the outer peripheral surface of the end portion thereof along the circumferential direction of the link (50).

4. The oxygen mask for altitude equipment set according to claim 1, wherein the oxygen tube insertion port (11) has a plurality of barb structures spaced apart from each other on the outer circumferential surface thereof, or the oxygen tube insertion port (11) has an annular barb structure on the outer circumferential surface thereof along the circumferential direction of the oxygen tube insertion port (11).

5. The oxygen mask for a high altitude unit as claimed in claim 1, further comprising a stopper cap for sealing the oxygen tube insertion port (11).

6. The oxygen mask for high altitude machine set according to claim 1, wherein the ventilation holes (12) are circular holes, elliptical holes, elongated holes, or circular holes.

7. An oxygen mask for a high altitude unit as claimed in claim 1, further comprising: an adjustment buckle (40); the left side and the right side of the mask main body (10) are provided with connecting parts (13), and the end part of the elastic bandage (20) passes through the adjusting buckle (40) and the connecting parts (13) and then passes through the adjusting buckle (40) again.

8. The oxygen mask for a high altitude machine set according to claim 1, wherein the mask body (10) is provided with connecting portions (13) on both left and right sides thereof, and both ends of the elastic band (20) are tied to the connecting portions (13) respectively, or both ends of the elastic band (20) are tied together after passing through the connecting portions (13).

9. An oxygen mask for a high altitude unit according to claim 1, wherein the mask body (10) is made of translucent hard plastic, or fully transparent hard plastic, or colored frosted hard plastic.

10. The oxygen mask for a high altitude machine set according to claim 1, wherein the buffer portion (30) is a medical-grade liquid silicone rubber having flame retardant ability.