CN217661163U

CN217661163U - Protective mask for fire emergency drilling

Info

Publication number: CN217661163U
Application number: CN202221681183.4U
Authority: CN
Inventors: 周耀; 陈金虎; 赵倩
Original assignee: Guangdong Anhe Emergency Science Research Institute
Current assignee: Guangdong Anhe Emergency Science Research Institute
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2022-10-28
Anticipated expiration: 2032-07-01

Abstract

The utility model discloses a protective mask is used in emergent rehearsal of conflagration, include: the protective mask comprises a protective mask body and also comprises a transparent cover body, wherein the transparent cover body is fixedly connected with a hanging lug, a head lace and a neck lace are fixedly connected, and the head lace and the neck lace are both arranged elastically; the filtering component comprises a fixed block, and one side of the fixed block is fixedly connected with a filtering box; the breathing valve is fixedly connected with the middle part of the transparent cover body through a connecting block, a plurality of groups of through holes are uniformly formed in the shell, the shell is fixedly connected with a fixed seat, and the fixed seat and the shell are arranged in a sealing manner; this protective mask body design hommization wears convenient firm, and filter component can filter the smoke and dust in the air effectively, and the breather valve who sets up has guaranteed that the breathing of the person of wearing is smooth and easy, and the minimize receives the fog and hides the puzzlement of lens.

Description

Protective mask for fire emergency drilling

Technical Field

The utility model relates to a protective mask body field, more specifically say, relate to a protective mask is used in emergent rehearsal of conflagration.

Background

The fire self-rescue mask device is provided with a flame-proof hood capable of covering the head, the neck and the shoulders, and the hood is provided with a clear, wide and bright observation window. Escape type respirators can be divided into filtering type self-rescue respirators and chemical oxygen self-rescue respirators, and in addition, during fire-fighting drills, the mask also needs to be worn for safety.

The prior protective mask body mainly has the following defects in the using process: when the fire protection mask is used, the fire protection mask is generally matched with an oxygen tank for use, exhaled air is reserved in the mask, mist is easily generated on the surface of the mask, the sight of a user is shielded, the situation that the user cannot see the face is easy to tense, and certain potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a protective mask is used in emergent rehearsal of conflagration aims at solving the problem among the prior art effectively.

In order to solve the above problem, the utility model adopts the following technical scheme:

the utility model provides a protective mask is used in emergent rehearsal of conflagration which characterized in that includes:

the protective mask comprises a protective mask body, wherein hangers are fixedly connected to the outer sides of two ends of the protective mask body, a head tying band is fixedly connected between the two hangers, neck tying bands are tied below the head tying band and between the hangers at the other end of the protective mask body, and the head tying band and the neck tying band are both arranged in an elastic mode;

the filter assembly is fixedly connected to two sides below the transparent cover body and comprises a fixed block, one side of the fixed block is fixedly connected with a filter box, the other side of the filter box is fixedly connected with a filter box cover plate, and a plurality of groups of dense filter holes are formed in the filter box cover plate;

still including breather valve, breather valve is including installing casing and the connecting block on the translucent cover body, breather valve passes through connecting block fixed connection at the middle part of the translucent cover body, the multiunit through-hole has evenly been seted up on the casing, and middle part fixedly connected with fixing base, and be sealed setting between fixing base and the casing.

This protective mask body design is humanized wears convenient firm, and the filter assembly of setting can filter the smoke and dust in the air effectively, and the breather valve who sets up simultaneously has guaranteed that the breathing of the person of wearing is smooth and easy, makes the gaseous quick discharge of exhalation, especially the person of wearing glasses, has reduced as far as possible and has received the puzzlement that the lens was hidden to the fog.

As a preferred scheme of the utility model, two sets of first breather holes have been seted up on the fixed block, be between first breather hole and the filter cartridge and link up the setting.

As an optimized scheme of the utility model, the mounting groove has been seted up to the opposite side of filter cartridge, the inside of mounting groove is provided with the filter pulp, the filter pulp is the active carbon setting.

As a preferred scheme of the utility model, the inside of casing is provided with the die cavity, be between die cavity and the through-hole and link up the setting.

As a preferred scheme of the utility model, the second breather hole has been seted up to the middle part of connecting block, the activity is provided with the baffle in the second breather hole, and is sealed setting between baffle and the second breather hole.

As a preferred scheme of the utility model, one side fixedly connected with slide bar of baffle, the opposite side sliding connection of slide bar has the loop bar, the inner wall of loop bar is smooth setting, fixed connection between the opposite side of loop bar and the inner wall of fixing base.

As an optimized proposal of the utility model, the outer surface of the transparent cover body is provided with a layer of flame retardant material layer.

Compared with the prior art, the utility model has the advantages of:

(1) Wear through the elastic head frenulum and the neck frenulum that set up in the present case, wear firmly, and the translucent cover body that sets up can expose its face (nose and mouth) partly, makes the people see, and the translucent cover body also makes things convenient for the person of wearing to observe outside condition moreover.

(2) Can effectively filter poisonous and harmful substance through the filtration pore in the present case, protect human safety not hurt, the first breathing hole of setting can not influence the breathing of wearer smoothly, installs the active carbon filter pulp in filtering the box, and active carbon is adsorption material, mainly is the dust particle in the filtered air. The filter box is made by adopting a polymer bonding material to be carried on a fiber substrate, has good adsorption property, good formability, high strength and small air flow resistance, and is convenient for replacing filter cotton in the mounting groove by opening the filter box cover plate after long-time use.

(3) The breather valve who sets up in the present case mainly is convenient for the person of wearing's breathing smoothly, when the person of wearing exhales, cooperation between loop bar and the slide bar is convenient for opening and the closure of baffle, when the person of wearing exhales, gaseous can promote the baffle motion, gaseous can follow second breather hole exhalation after the baffle is opened, through the die cavity, discharge through the through-hole at last, prevent the gaseous sight that influences the mask of exhaling as far as possible, reduce the potential safety hazard, inhale back the baffle again with second breather hole sealed closure when the person of wearing is inspiratory, prevent as far as possible that the external dust from getting into the inside of respirator body.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the filter assembly of the present invention;

fig. 3 is the internal overall structure schematic diagram of the respiratory valve of the present invention.

The reference numbers in the figures illustrate:

1. a protective mask body; 2. a transparent cover body; 3. hanging a lug; 4. a head tie; 5. a neck tie;

6. a filter assembly; 61. a fixed block; 6101. a first breathing hole; 62. a filter box; 6201. mounting grooves; 6202. filtering cotton; 63. a filter cartridge cover plate; 6301. filtering holes;

7. a breathing valve; 71. a housing; 72. connecting blocks; 73. a through hole; 74. a cavity; 75. a fixed seat; 76. a loop bar; 77. a slide bar; 78. a baffle plate; 79. a second breathing hole.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be 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 as a specific case by those skilled in the art.

Example (b):

referring to fig. 1 to 3, a protective mask for fire emergency drills includes:

the protective mask comprises a protective mask body 1 and further comprises a transparent mask body 2, a flame-retardant material layer is arranged on the outer surface of the transparent mask body 2, the flame-retardant material layer is made of flame-retardant cotton cloth, an aluminum foil film is coated on the surface of the flame-retardant material layer to resist thermal radiation and prevent the head of a person from being injured by high-temperature radiation in a fire scene, an opening for observation is formed in the flame-retardant material layer, hanging lugs 3 are fixedly connected to the outer sides of two ends of the transparent mask body 2, a head tying band 4 is fixedly connected between the hanging lugs 3 at one end, neck tying bands 5 are fixedly connected below the head tying band 4 and between the hanging lugs 3 at the other end, and the head tying band 4 and the neck tying bands 5 are both arranged in an elastic manner;

when a user wears the protective mask, the main body of the protective mask body can expose part of the face (nose and mouth) of the user to be seen, and meanwhile, the elastic head strap 4 and the elastic neck strap 5 are firmly worn;

the filtering component 6 is fixedly connected to two sides below the transparent cover body 2 and comprises a fixing block 61, one side of the fixing block 61 is fixedly connected with a filtering box 62, the other side of the filtering box 62 is fixedly connected with a filtering box cover plate 63, and a plurality of groups of dense filtering holes 6301 are formed in the filtering box cover plate 63;

the filtering holes 6301 can effectively filter toxic and harmful substances, protect the human body from being injured, and the first breathing hole 6101 does not affect the smooth breathing of the wearer;

the breathing valve 7 comprises a shell 71 and a connecting block 72, the breathing valve 7 is fixedly connected to the middle part of the transparent cover body 2 through the connecting block 72, a plurality of groups of through holes 73 are uniformly formed in the shell 71, the middle part is fixedly connected with a fixed seat 75, and the fixed seat 75 and the shell 71 are arranged in a sealing manner;

specifically, two sets of first breathing holes 6101 have been seted up on fixed block 61, be between first breathing hole 6101 and the filter cartridge 62 and link up the setting, and mounting groove 6201 has been seted up to the opposite side of filter cartridge 62, and the inside of mounting groove 6201 is provided with filter pulp 6202, and filter pulp 6202 is the active carbon setting.

In this embodiment, the activated carbon filter 6202 installed in the filter box 62 uses activated carbon as an adsorbing material to mainly filter dust particles, odor, and bacteria in the air. The filter box is made by adopting a polymer adhesive material to be carried on a fiber substrate, has good adsorption property, good formability, high strength and small air flow resistance, and after long-time use, the filter cotton 6202 in the mounting groove 6201 can be conveniently replaced by opening the filter box cover plate 63.

Specifically, a cavity 74 is provided in the housing 71, and the cavity 74 and the through hole 73 are provided to penetrate therethrough.

Specifically, a second breathing hole 79 is formed in the middle of the connecting block 72, a baffle plate 78 is movably arranged in the second breathing hole 79, and the baffle plate 78 and the second breathing hole 79 are arranged in a sealing manner.

In this embodiment, it is smooth and easy that mainly be convenient for the breathing of wearer, when the wearer exhales, gaseous can promote baffle 78 motion, and gaseous can follow second breathing hole 79 exhalation after baffle 78 opens, through die cavity 74, discharges through-hole 73 at last, inhales baffle 78 back again when the wearer inhales with second breathing hole 79 seal closed, prevents that the bacterium in external toxic gas or the air from getting into the inside of respirator body 1.

Specifically, one side of the baffle 78 is fixedly connected with a sliding rod 77, the other side of the sliding rod 77 is slidably connected with a loop bar 76, the inner wall of the loop bar 76 is smoothly arranged, and the other side of the loop bar 76 is fixedly connected with the inner wall of the fixed seat 75.

In this embodiment, the engagement between the loop bar 76 and the sliding bar 77 facilitates the opening and closing of the flap 78.

The working principle is as follows:

when carrying out the fire drill, wear through the elastic head frenulum 4 and the neck frenulum 5 that set up, wear firmly, and the translucent cover body 2 that sets up can expose some of its face (nose and mouth), make the people can see, but poisonous harmful substance of effective filtration through filtration pore 6301, protection human safety is not hurt, the first breathing hole 6101 of setting can not influence the breathing of wearer smoothly, install the active carbon filter pulp 6202 in the filter cartridge 62, active carbon is adsorption material, mainly be the dust particle among the filtered air.

The protective mask is made by attaching a polymer adhesive material on a fiber substrate, and has good adsorption property, good formability, high strength and small air flow resistance, after long-time use, the filter box cover plate 63 is opened to facilitate replacement of the filter cotton 6202 in the mounting groove 6201, the set breathing valve 7 is mainly convenient for a wearer to breathe smoothly, when the wearer exhales, the baffle 78 is convenient to open and close by matching between the loop bar 76 and the slide bar 77, when the wearer exhales, the gas can push the baffle 78 to move, when the baffle 78 is opened, the gas can be exhaled from the second breathing hole 79 and passes through the cavity 74, finally, the gas is exhausted through the through hole 73, when the wearer inhales, the baffle 78 is sucked back to be sealed and closed with the second breathing hole 79 to prevent outside toxic gas or bacteria in the air from entering the interior of the protective mask body 1, the protective mask body is designed to be worn conveniently and firmly, the set filtering component 6 can effectively filter smoke in the air, and the set breathing valve 7 ensures that the wearer can breathe smoothly.

The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the improvement concept of the present invention within the technical scope disclosed in the present invention.

Claims

1. A protective mask for fire emergency drilling comprises a protective mask body (1) and is characterized in that,

the protective mask comprises a protective mask body (1) and a protective mask body, wherein the protective mask body (1) comprises a transparent mask body (2), the outer sides of two ends of the transparent mask body (2) are fixedly connected with hangers (3), a head frenum (4) is fixedly connected between the two hangers (3), a neck frenum (5) is tied below the head frenum (4) and between the hangers (3) at the other end, and the head frenum (4) and the neck frenum (5) are both arranged in an elastic manner;

the transparent cover is characterized by further comprising a filtering component (6), wherein the filtering component (6) is fixedly connected to two sides below the transparent cover body (2) and comprises a fixing block (61), a filtering box (62) is fixedly connected to one side of the fixing block (61), a filtering box cover plate (63) is fixedly connected to the other side of the filtering box (62), and a plurality of groups of dense filtering holes (6301) are formed in the filtering box cover plate (63);

still including breathing valve (7), breathing valve (7) are including installing casing (71) and connecting block (72) on the translucent cover body (2), breathing valve (7) are through the middle part of connecting block (72) fixed connection at the translucent cover body (2), multiunit through-hole (73) have evenly been seted up on casing (71), and middle part fixedly connected with fixing base (75), and be sealed setting between fixing base (75) and casing (71).

2. The faceguard for fire emergency drilling according to claim 1, wherein: two groups of first breathing holes (6101) are formed in the fixed block (61), and the first breathing holes (6101) are communicated with the filter box (62).

3. The faceguard for fire emergency rehearsal of claim 2, wherein: the opposite side of straining box (62) has seted up mounting groove (6201), the inside of mounting groove (6201) is provided with filter pulp (6202), filter pulp (6202) are the active carbon setting.

4. The faceguard for fire emergency drilling according to claim 1, wherein: a cavity (74) is arranged in the shell (71), and the cavity (74) and the through hole (73) are arranged in a penetrating mode.

5. The protective mask for fire emergency drills according to claim 1, wherein: second breathing hole (79) have been seted up to the middle part of connecting block (72), activity is provided with baffle (78) in second breathing hole (79), and is sealed setting between baffle (78) and second breathing hole (79).

6. The protective mask for fire emergency drills according to claim 5, wherein: one side fixedly connected with slide bar (77) of baffle (78), the opposite side sliding connection of slide bar (77) has loop bar (76), the inner wall of loop bar (76) is smooth setting, fixed connection between the opposite side of loop bar (76) and the inner wall of fixing base (75).

7. The protective mask for fire emergency drills according to claim 1, wherein: the outer surface of the transparent cover body (2) is provided with a layer of flame retardant material.