CN212853790U

CN212853790U - Heating face guard suitable for in cold areas

Info

Publication number: CN212853790U
Application number: CN202020721764.0U
Authority: CN
Inventors: 张永强; 李曦; 杨丹凤; 张莉; 武帅; 李军; 刘欣; 陈保东
Original assignee: Environmental Medicine and Operational Medicine Institute of Military Medicine Institute of Academy of Military Sciences
Current assignee: Environmental Medicine and Operational Medicine Institute of Military Medicine Institute of Academy of Military Sciences
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2021-04-02
Anticipated expiration: 2030-05-06

Abstract

The utility model provides a heating mask suitable for cold areas, which comprises a mask body, wherein the edge of the mask body is fixedly connected with a head sleeve, the head sleeve extends downwards to form a neck guard, the upper part of the mask is provided with a visual window, and an inhalation valve and an exhalation valve are fixedly arranged below the visual window; the inhalation valve comprises a first fixing frame, a front cover and a rear cover, wherein the front cover and the rear cover can plug the first fixing frame, a moisturizing breathing window and a common breathing window are arranged in the first fixing frame, a spongy cushion can be placed in the moisturizing breathing window, the front cover and the rear cover respectively comprise a plugging area and a fence area, the moisturizing breathing window or the common breathing window can be plugged in the plugging area, and both the moisturizing breathing window and the common breathing window can be communicated with the outside through the fence area. The utility model discloses a divide into the mode of breathing window or ordinary breathing window of moisturizing with the inspiratory valve, place wet sponge in the breathing window of moisturizing for under dry environment, the person of wearing will moisturize the breathing window and open, the air current passes through wet sponge, with the moisture that increases breathing air.

Description

Heating face guard suitable for in cold areas

Technical Field

The utility model belongs to human protective apparatus field especially relates to a heating face guard suitable for cold areas.

Background

China geodetic homeland is vast and has a boundary line of more than twenty thousand kilometers, in some plateau areas, frontier fighters can be influenced by severe environments such as low temperature and the like in the patrol process, in order to protect the health of the frontier fighters, cold-proof clothes and masks can be provided for the fighters, the existing masks are easy to freeze in the breathing process of people, the face of the fighter is frostbitten, and the respiratory system of the fighter is easy to damage after long-time use.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is directed to a heating mask suitable for use in cold regions to protect the face of the wearer and to increase the temperature and humidity of the air when the wearer inhales the air.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a heating face mask suitable for cold areas comprises a face mask body, wherein the edge of the face mask body is fixedly connected with a head sleeve, the head sleeve extends downwards to form a neck guard, a visible window is formed in the upper part of the face mask, and an inhalation valve and an exhalation valve are fixedly arranged below the visible window;

the utility model discloses a breathing valve, including breathing valve, first fixed frame, protecgulum and hou gai, the breathing valve includes that first fixed frame and can plug up first fixed frame are equipped with moisturizing breathing window and ordinary breathing window in the first fixed frame, the foam-rubber cushion can be placed to the moisturizing breathing window, protecgulum and hou gai include shutoff district and fence district respectively, moisturizing breathing window or ordinary breathing window can be plugged up in the shutoff district, and moisturizing breathing window and ordinary breathing window homoenergetic are through fence district and external intercommunication.

Furthermore, the first fixing frame is circular, a shaft tube is fixedly arranged at the circle center of the first fixing frame, a rotating shaft penetrates through the shaft tube, and the centers of the front cover and the rear cover are fixedly connected with the rotating shaft respectively.

Furthermore, an inner heating piece gasket is arranged in the face mask, a heat transfer piece is arranged in the moisture-preserving breathing window, and the heat transfer piece penetrates through the first fixing frame to be in contact with the inner heating gasket.

Furthermore, a plurality of air holes are formed on the heat transfer sheet.

Furthermore, a plurality of supporting sheets are arranged between the first fixing frame and the shaft tube in a crossing mode, and the moisture preservation breathing window and the common breathing window are formed by dividing the space in the first fixing frame for the supporting sheets respectively.

Furthermore, the moisture-preserving breathing window and the common breathing window are arranged at intervals.

Furthermore, a connecting strip is arranged at the edge of the first fixing frame, and the mask body is fixedly connected with the connecting strip.

Furthermore, the expiratory valve comprises a second fixed frame, one end of the second fixed frame is fixedly provided with a connecting piece, and the connecting piece is fixedly provided with an elastic piece capable of blocking the second fixed frame.

Furthermore, the connecting piece is fixedly arranged on the inner side of the second fixing frame, the outer side of the other end of the second fixing frame is fixedly provided with a lap joint piece, one end of the elastic piece is fixedly connected with the connecting piece, and the other end of the elastic piece is lapped outside the lap joint piece.

Furthermore, a limiting rod is arranged on the outer side of the fixing frame close to the lap joint piece.

Compared with the prior art, a heating face guard suitable for in cold areas has following advantage:

the utility model adopts the mode of dividing the inhalation valve into the moisture-preserving breathing window or the common breathing window, and the moisture sponge is placed in the moisture-preserving breathing window, so that under the dry environment, the wearer opens the moisture-preserving breathing window, the air flows through the moisture sponge to increase the moisture of the breathing air, and meanwhile, the mode of increasing the exhalation valve is adopted, so that the exhaled air can be rapidly exhausted out of the mask, and the air circulation in the mask is ensured;

the mode that adopts heat transfer piece and interior heating facing contact for the heating facing can be through heat transfer piece to wet sponge heating, prevents that the water in the sponge from freezing under cold circumstance.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

FIG. 1 is a schematic view of the overall structure of the mask;

FIG. 2 is a schematic view of the overall structure of the inhalation valve;

FIG. 3 is a schematic view of the internal structure of the first fixed frame;

FIG. 4 is a schematic view of the front and rear covers;

fig. 5 is a schematic structural diagram of the exhalation valve.

Description of reference numerals:

1-a mask body; 11-a visible window; 12-an exhalation valve; 121-a second fixed frame; 122-connecting pieces; 123-lap joint pieces; 124-a limiting rod; 13-an inhalation valve; 131-a first fixed frame; 132-moisture retention breathing window; 133-normal breathing window; 134-front cover; 135-rear cover; 1341-plugging a zone; 1342-fence area; 137-axle tube; 136-a support sheet; 1371-a rotating shaft; 138-a heat transfer sheet; 1381-ventilating holes; 139-connecting strip; 14-an adjustable nose pad; 2-head cover; and 3, neck protection.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1, the heating mask suitable for cold areas of the present invention comprises a mask body 1, the edge of which is fixedly connected to a head cover 2, the head cover 2 extends downward to form a neck guard 3, the upper portion of the mask body 1 is provided with a visible window 11, an inhalation valve 13 and an exhalation valve 12 are fixedly arranged below the visible window 11, and after the mask is worn by a wearer, the inhalation valve 13 is arranged at the two sides of the nose of the wearer, the exhalation valve 12 is arranged near the lips of the wearer, so that the air in the mask can circulate when the wearer inhales and exhales, and an adjustable nose support 14 is arranged at the middle of the mask body 1 for positioning the mask and the nose bridge;

referring to fig. 2, the inhalation valve 13 includes a first fixed frame 131, a front cover 134 and a rear cover 135 capable of blocking the first fixed frame 131, the first fixed frame 131 is circular, a plurality of moisture retention breathing windows 132 and common breathing windows 133 with the same size and shape are arranged at intervals along the circumference in the first fixed frame 131, a sponge pad can be placed in each moisture retention breathing window 132, the front cover 134 and the rear cover 135 respectively include a blocking area 1341 and a barrier area 1342, the blocking area 1341 and the barrier area 1342 of the front cover 134 correspond to the blocking area 1341 and the barrier area 1342 of the rear cover 135, the front cover 134 and the rear cover 135 can synchronously rotate around the center of a circle, the blocking area 1341 of the front cover 134 and the rear cover 135 can block the moisture retention breathing windows 132 or the common breathing windows 133, and the moisture retention breathing windows 132 and the common breathing windows 133 can be communicated with the outside through the barrier area 1342, when the blocking area 1341 of the front cover 134 and the rear cover 135 rotate to the common breathing windows 133, when the barrier region 1342 rotates to the moisture-preserving breathing window 132, the outside air needs to flow through the sponge pad in the moisture-preserving breathing window 132 and enter the mask, and at this time, the sponge pad can be soaked with water in order to increase the humidity of the air flowing into the mask; when the shutoff district 1341 of protecgulum 134 and hou gai 135 rotates to the breathing window 132 of moisturizing, the air can be free circulate inside and outside the face guard, and the shutoff district 1341 surrounds the foam-rubber cushion in the breathing window 132 of moisturizing with first fixed frame 131, prevents the moisture loss in the foam-rubber cushion, and is specific, first fixed frame 131 is circular, and its centre of a circle department has set firmly central siphon 137, and a pivot 1371 passes the central siphon 137, just protecgulum 134 and hou gai 135's center respectively with pivot 1371 rigid coupling, for the convenience of rotating protecgulum 134 and hou gai 135, can set up protruding piece (not shown in the figure) in the protecgulum 134 outside.

The mask body 1 and the head cover 2 are made of high-elasticity Lycra fabric, the inner side is attached with thickened polar fleece to play a role in keeping warm, a heating sheet gasket is arranged in the mask body, a heat transfer sheet 138 is arranged in the moisture-preserving breathing window 132, the heat transfer sheet 138 penetrates through the first fixing frame 131 to be in contact with the inner heating lining, the heat transfer sheet 138 is provided with a plurality of ventilation holes 1381 to prevent water in the sponge from freezing, meanwhile, air in the external environment can enter the mask through the air holes 1381, the inner heating lining is a ptc heater, specifically, the left side and the right side of the inner layer of the mask body 1 are opened, gluing the opening in the form of a velcro tape or the like requires placing the encapsulated ptc heater inside the adhesive (this part is the existing heating mask structure, not shown in the figures), and the ptc heater needs to be packaged by adopting seamless cloth, and 2 heating outer layers of the left heating layer and the right heating layer which are uniformly heated by overlapping graphite cooling fins and are packaged by using polar fleece heat reflection cloth.

Specifically, a plurality of supporting pieces 136 are arranged between the first fixing frame 131 and the shaft tube 137 in a spanning manner, and the moisture-preserving respiration window 132 and the common respiration window 133 are fan-shaped structures formed by dividing the space in the first fixing frame 131 by the supporting pieces 136.

The edge of the first fixing frame 131 is provided with a connecting strip 139, the mask body 1 is fixedly connected with the connecting strip 139, and the specific connection mode can refer to the connection mode of the mask fabric and the breather valve 12 in the prior art.

The expiratory valve 12 comprises a second fixing frame 121, one end of the second fixing frame 121 is fixedly provided with a connecting piece 122, the connecting piece 122 is fixedly provided with a spring sheet capable of blocking the second fixing frame 121 (the structure of the spring sheet is the same as that of the spring sheet in the breather valve 12 in the prior art, which is not repeated here and is not shown in the figure), the connecting piece 122 is fixedly arranged at the inner side of the second fixing frame 121, the outer side of the other end of the second fixing frame 121 is fixedly provided with a connecting piece 123, one end of the spring sheet is fixedly connected with the connecting piece 122, the other end of the spring sheet is lapped outside the connecting piece 123, a limiting rod 124 is arranged at the position, close to the connecting piece 123, of the outer side of the second fixing frame 121, so that the spring sheet is prevented from being excessively turned over outwards in the expiratory process, the failure of the spring.

Heating face guard suitable for cold areas, in the use, the person of wearing covers the headgear on the head, the visual window of eyes accessible looks the thing, under ordinary environment, ordinary respiration window is opened, the ordinary respiration window or the expiratory valve normal breathing of person's accessible inspiratory valve of wearing, when outdoor temperature and air humidity are lower, rotatable protecgulum and hou gai, make ordinary expiratory window department arranged in the shutoff district, moisturizing expiratory window department is arranged in to the barrier district, make the air current flow pass through moist foam-rubber cushion and get into the face guard, person of wearing's accessible mouth exhales outwards, in order to guarantee the circulation of air in the face guard, set up the expiratory valve simultaneously and can also place the face guard in human lip department and hinder the sound and propagate, when the person of wearing speaks, sound can be followed and spread in the expiratory valve.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A heating face guard suitable for cold areas which characterized in that: the mask comprises a mask body (1), wherein the edge of the mask body is fixedly connected with a head sleeve (2), the head sleeve (2) extends downwards to form a neck guard (3), a visual window (11) is formed in the upper part of the mask body (1), and an inhalation valve (13) and an exhalation valve (12) are fixedly arranged below the visual window (11);

inhalation valve (13) include first fixed frame (131) and can plug front cover (134) and hou gai (135) of first fixed frame (131), be equipped with in first fixed frame (131) and moisturize respiratory window (132) and ordinary respiratory window (133), place the foam-rubber cushion in moisturizing respiratory window (132), front cover (134) and hou gai (135) include shutoff district (1341) and barrier district (1342) respectively, moisturizing respiratory window (132) or ordinary respiratory window (133) can be plugged up in shutoff district (1341), and moisturizing respiratory window (132) and ordinary respiratory window (133) homoenergetic communicate with the external world through barrier district (1342).

2. A heating mask for use in cold regions, according to claim 1, wherein: first fixed frame (131) are circular, and its centre of a circle department has set firmly central siphon (137), and a pivot (1371) passes central siphon (137), just protecgulum (134) and the center of hou gai (135) respectively with pivot (1371) rigid coupling.

3. A heating mask for use in cold regions, according to claim 1, wherein: an inner heating lining is arranged in the mask body (1), a heat transfer sheet (138) is arranged in the moisture-preserving breathing window (132), and the heat transfer sheet (138) penetrates through the first fixing frame (131) to be in contact with the inner heating lining.

4. A heating mask for use in cold regions, according to claim 3, wherein: the heat transfer sheet (138) is provided with a plurality of air holes (1381).

5. A heating mask for use in cold regions, according to claim 2, wherein: a plurality of supporting pieces (136) are arranged between the first fixing frame (131) and the shaft tube (137) in a spanning mode, and the moisture preservation breathing window (132) and the common breathing window (133) are formed by dividing the space in the first fixing frame (131) for the supporting pieces (136) respectively.

6. A heating mask for use in cold regions, according to claim 1, wherein: the moisture-preserving breathing window (132) and the common breathing window (133) are arranged at intervals.

7. A heating mask for use in cold regions, according to claim 1, wherein: the edge of the first fixing frame (131) is provided with a connecting strip (139), and the mask body (1) is fixedly connected with the connecting strip (139).

8. A heating mask for use in cold regions, according to claim 1, wherein: the expiratory valve (12) comprises a second fixing frame (121), one end of the second fixing frame (121) is fixedly provided with a connecting piece (122), and the connecting piece (122) is fixedly provided with an elastic sheet capable of blocking the second fixing frame (121).

9. A heating mask for use in cold regions, according to claim 8, wherein: the connecting piece (122) is fixedly arranged on the inner side of the second fixing frame (121), the outer side of the other end of the second fixing frame (121) is fixedly provided with a lap joint piece (123), one end of the elastic piece is fixedly connected with the connecting piece (122), and the other end of the elastic piece is lapped outside the lap joint piece (123).

10. A heating mask for use in cold regions, according to claim 9, wherein: a limiting rod (124) is arranged on the outer side of the second fixing frame (121) close to the overlapping plate (123).