CN111450436A

CN111450436A - Gas mask for fire fighting

Info

Publication number: CN111450436A
Application number: CN202010273961.5A
Authority: CN
Inventors: 杨银龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2020-07-28

Abstract

The invention discloses a fire-fighting gas mask, which comprises a mask body, a buckling mechanism connected with one side of the mask body, a visual mask clamped in a perspective groove at the front end of the mask body, and two groups of filter elements communicated with the front end of the mask body, wherein a sealing element tightly connected with the head is bonded on the side surface of the mask body, the front end of the mask body is connected with a power mechanism, the front end of the mask body is also communicated with a ventilation mechanism communicated with external oxygen equipment, the buckling mechanism comprises three groups of elastic belts and one group of buckling buckles, the side surface of the mask body is bonded with three groups of elastic belts, the other side of the upper group of elastic belts is bonded with the buckling buckles, the other sides of the other two groups of elastic belts are bonded with insertion parts connected with the buckling buckles, the lower two groups of elastic belts are symmetrically arranged relative to the upper elastic belts, and the filter elements comprise thread. This gas mask for fire control not only can carry out thermal-insulated protection, can also handle the air.

Description

Gas mask for fire fighting

Technical Field

The invention belongs to the technical field of gas masks, and particularly relates to a gas mask for fire fighting.

Background

Gas masks are used as personal protective equipment to provide effective protection to the respiratory organs, eyes and facial skin of a person. The mask is an important component of a gas mask and is a component that isolates the face of a person from the outside contaminated air. The gas mask consists of a face mask, a gas-guide tube and a canister, and the face mask can be directly connected with the canister for use or connected with the canister for use by the gas-guide tube. The gas mask can be applied to chemical industry, warehouses, scientific research and various toxic and harmful operating environments by respectively selecting various types of gas canisters according to protection requirements. The mask is also used for protection in case of fire, and the traditional gas mask cannot adapt.

Therefore, in order to meet the current situation, the design and production of a fire-fighting gas mask are urgently needed to meet the actual use requirement.

Disclosure of Invention

The present invention is directed to a fire fighting gas mask to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: a fire protection gas mask comprises a mask body, a buckling mechanism connected with one side of the mask body, a visual mask clamped in a perspective groove at the front end of the mask body and two groups of filter elements communicated with the front end of the mask body, wherein a sealing element tightly connected with the head is bonded on the side surface of the mask body;

the front end of the cover body is connected with a power mechanism, and the front end of the cover body is also communicated with a ventilation mechanism communicated with external oxygen equipment.

Preferably, the fastening mechanism comprises three groups of elastic belts and a group of clamping buckles, the three groups of elastic belts are bonded on the side surface of the cover body, the clamping buckles are bonded on the other side of the upper group of elastic belts, the inserting parts connected with the clamping buckles are bonded on the other sides of the other two groups of elastic belts, and the two groups of elastic belts below are symmetrically arranged relative to the upper elastic belts.

Preferably, it includes breather pipe, screw cap, graphite filter layer and filter screen to cross the filter core, the breather pipe bonds in the passageway of ventilating that the cover body side was seted up, the breather pipe is kept away from the periphery of one side tip of the cover body and has been seted up the external screw thread, and breather pipe threaded connection has the screw cap, the check valve is installed to the periphery of breather pipe, and the opposite direction of the check valve of two sets of breather pipes, the inner wall of breather pipe has graphite filter layer and filter screen through the viscose bonding, and the graphite filter layer setting is between the filter screen and the cover body.

Preferably, power unit includes micro motor, dwang and rotating vane, micro motor passes through the front end of screw connection at the cover body, micro motor has the dwang through the coupling joint, and the periphery integrated into one piece of dwang has the rotating vane that two sets of symmetries set up, and the shape of rotating vane sets up to the ellipse.

Preferably, the sealing element comprises a rubber inner ring and a rubber outer edge, the rubber inner ring and the rubber outer edge are bonded to the side face of the cover body, the periphery of the rubber inner ring and the inner wall of the rubber outer edge are bonded and fixed through viscose, the width of the rubber outer edge is larger than that of the rubber inner ring, and the thickness of the rubber outer edge is smaller than that of the rubber inner ring.

Preferably, the venting mechanism includes communicating pipe, sleeve pipe, crown plate and sealed lid, the front end intercommunication of the cover body has communicating pipe, the communicating pipe is kept away from the periphery of one side tip of the cover body and is seted up the external screw thread, and threaded connection has sealed lid communicating pipe, the periphery of communicating pipe is provided with the sleeve pipe, and bonds between sleeve pipe and the communicating pipe and have the crown plate, the sheathed tube inner wall all bonds with the periphery of communicating pipe and has and be used for sealed elastic ring, the crown plate bonds near sheathed tube side and has sealed the pad, sheathed tube periphery threaded connection has and supports tight bolt.

Preferably, the cover body sets up to the PE material, and the periphery coating of the cover body has fire-retardant coating, the both sides of visual cover all bond there is the glasses antifog coating, the inner wall bonding of the cover body has the sealed pad that is used for sealing up the eye week.

Preferably, the two groups of filter cores are obliquely arranged, the two groups of filter cores are symmetrically arranged relative to the cover body, and the power mechanism is arranged at the front end of the visual cover.

The invention has the technical effects and advantages that: the fire-fighting gas mask can protect the mask body by utilizing the flame-retardant property of the flame-retardant coating, and the PE material of the mask body has the heat insulation effect, so that the face of a user is protected; the visual cover can be convenient for a user to watch the front movement direction after being taken, the glasses antifogging film of the visual cover can avoid fog adhesion and ensure the visibility, the micro motor of the power mechanism drives the rotating rod and the rotating blade to rotate, so that the air in front of the visual cover is circulated, and the fog is dispersed to ensure the visibility; the filter screen of the filter element can filter impurities in the air, the graphite filter layer can adsorb toxic substances to protect workers, and the air forms a circulation channel due to the design of the two groups of check valves, so that the ventilation is convenient; the clamping buckle of the buckling structure is convenient to connect and fix, the elastic band stretches out and draws back, so that people with different head shapes can use the elastic band conveniently, and the rubber inner ring of the sealing element is matched with the rubber outer edge, so that the inflow of external air from the side surface can be reduced; this gas mask for fire control not only can carry out thermal-insulated protection, can also handle the air.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a right side view of the present invention;

FIG. 3 is a cross-sectional view of a filter element of the present invention;

FIG. 4 is a rear view of the seal of the present invention;

fig. 5 is a schematic structural diagram of the power mechanism of the present invention.

In the figure: the device comprises a cover body 1, a fastening mechanism 2, a visual cover 3, a filter element 4, a sealing element 5, a power mechanism 6, an air vent mechanism 7, an elastic band 8, a clamping buckle 9, an air vent pipe 10, a threaded cover 11, a graphite filter layer 12, a filter screen 13, a micro motor 14, a rotating rod 15, a rotating blade 16, a rubber inner ring 17, a rubber outer edge 18, a communicating pipe 19, a sleeve 20, a ring plate 21 and a sealing cover 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Unless otherwise indicated, all references to up, down, left, right, front, back, inner and outer directions herein are to be interpreted as referring to up, down, left, right, front, back, inner and outer directions in the drawings to which the invention is directed.

The invention provides a fire-fighting gas mask as shown in figures 1-5, which comprises a mask body 1, a fastening mechanism 2 connected with one side of the mask body 1, a visual mask 3 clamped in a perspective groove at the front end of the mask body 1, and two groups of filter cores 4 communicated with the front end of the mask body 1, wherein a sealing element 5 used for being tightly connected with the head is bonded on the side surface of the mask body 1 and is attached to the face as much as possible;

the front end of the cover body 1 is connected with a power mechanism 6, and the front end of the cover body 1 is also communicated with a ventilation mechanism 7 communicated with external oxygen equipment.

Specifically, the fastening mechanism 2 comprises three groups of elastic belts 8 and a group of clamping buckles 9, the side face of the cover body 1 is bonded with the three groups of elastic belts 8, the other side of the group of elastic belts 8 above is bonded with the clamping buckles 9, the other side of the two groups of elastic belts 8 is bonded with the insertion parts connected with the clamping buckles 9, the two groups of elastic belts 8 below are symmetrically arranged relative to the elastic belts 8 above, tensioning and fixing in three directions are realized, and then the head of a user is fastened.

It is specific, cross filter element 4 and include breather pipe 10, screw cap 11, graphite filter layer 12 and filter screen 13, breather pipe 10 bonds in the passageway of ventilating that the cover body 1 side was seted up, breather pipe 10 keeps away from the periphery of a side end portion of the cover body 1 and has seted up the external screw thread, and breather pipe 10 threaded connection has screw cap 11, the check valve is installed to the periphery of breather pipe 10, and the opposite direction of the check valve of two sets of breather pipes 10 to make two sets of filter elements 4 and cover body 1 between form the circulation of air passageway, the inner wall of breather pipe 10 bonds through the viscose has graphite filter layer 12 and filter screen 13, and graphite filter layer 12 sets up between filter screen 13 and cover body 1.

Specifically, power unit 6 includes micro motor 14, dwang 15 and rotation leaf 16, micro motor 14 passes through the front end of screw connection at the cover body 1, micro motor 14 has dwang 15 through the coupling joint, and the periphery integrated into one piece of dwang 15 has the rotation leaf 16 that two sets of symmetries set up, and the shape of rotation leaf 16 sets up to oval for the air obtains flowing, and then guarantees the visibility in the place ahead, and two sets of rotation leaves 16 set up between two eyes of user, do not influence the user to the observation in the place ahead.

Specifically, the sealing element 5 comprises a rubber inner ring 17 and a rubber outer edge 18, the rubber inner ring 17 and the rubber outer edge 18 are bonded to the side face of the cover body 1, the periphery of the rubber inner ring 17 and the inner wall of the rubber outer edge 18 are also bonded and fixed through viscose, the width of the rubber outer edge 18 is larger than that of the rubber inner ring 17, the rubber outer edge 18 forms a skirt edge, the sealing degree is ensured, the rubber outer edge 18 is matched with the rubber inner ring 17, two-layer sealing is achieved, and the thickness of the rubber outer edge 18 is smaller than that of the rubber inner ring.

Specifically, the venting mechanism 7 includes a communicating pipe 19, a sleeve 20, a ring plate 21 and a sealing cover 22, the front end of the cover body 1 is communicated with the communicating pipe 19, the outer periphery of the end portion of one side of the cover body 1, which is far away from the communicating pipe 19, is provided with an external thread, the communicating pipe 19 is in threaded connection with the sealing cover 22, the outer periphery of the communicating pipe 19 is provided with the sleeve 20, the ring plate 21 is bonded between the sleeve 20 and the communicating pipe 19, the ring plate 21 is bonded with an elastic ring for sealing the inner wall of the sleeve 20 and the outer periphery of the communicating pipe 19 to form a sealing effect, the side, which is close to the sleeve 20, of the ring plate 21 is bonded with a sealing gasket to play a role in tightly supporting, the outer periphery of the sleeve 20 is in threaded connection with a tightly.

Specifically, cover body 1 sets up to the PE material, and the periphery coating of cover body 1 has fire-retardant coating, and fire-retardant coating sets up to the fire-retardant coating of similar Dongguan city star yang coating limited, visual cover 3's both sides all bond and have glasses antifogging film, cover body 1's inner wall bonds and has the sealed pad (not drawn in the figure) that is used for sealing up the eye week.

Specifically, two sets of filter cores 4 are all obliquely arranged, two sets of filter cores 4 are symmetrically arranged relative to the cover body 1, and the power mechanism 6 is arranged at the front end of the visual cover 3.

The working principle is as follows: this gas mask for fire control, cover body 1 cover is overhead at the user, and insert grafting portion in the joint knot 9, and utilize sealing member 5 to hug closely the face, it drives dwang 15 rotation to open micro motor 14, and then drive the rotation leaf 16 and rotate, and then make the air in visual cover 3 the place ahead obtain flowing, thereby guarantee the place ahead visibility, it carries out the circulation of air to dismantle threaded cover 11, inspiratory air can filter the impurity in the air through filter screen 13, graphite filter layer 12 can adsorb the toxic substance, the filter screen 13 and the graphite filter layer 12 of opposite side are isolated to the air, the protection user, if need carry outside oxygen equipment, take off sealed lid 22, inject the oxygen pipe of oxygen equipment between sleeve pipe 20 and communicating pipe 19, and rotate and support tight bolt fastening oxygen pipe.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a fire protection respirator, includes the cover body (1), lock joint mechanism (2) that cover body (1) one side is connected, the visual cover (3) of joint in the cover body (1) front end perspective inslot and two sets of filter core (4) of the cover body (1) front end intercommunication, its characterized in that: a sealing element (5) which is tightly connected with the head is bonded on the side surface of the cover body (1);

the front end of the cover body (1) is connected with a power mechanism (6), and the front end of the cover body (1) is also communicated with a ventilation mechanism (7) communicated with external oxygen equipment.

2. A fire fighting gas mask as recited in claim 1, wherein: the fastening mechanism (2) comprises three groups of elastic belts (8) and a group of clamping buckles (9), the three groups of elastic belts (8) are bonded on the side surface of the cover body (1), the clamping buckles (9) are bonded on the other side of the group of elastic belts (8) on the upper side, the inserting parts connected with the clamping buckles (9) are bonded on the other sides of the two groups of elastic belts (8), and the two groups of elastic belts (8) on the lower side are symmetrically arranged relative to the elastic belts (8) on the upper side.

3. A fire fighting gas mask as recited in claim 1, wherein: filter core (4) including breather pipe (10), screw cap (11), graphite filter layer (12) and filter screen (13), breather pipe (10) bond in the passageway of ventilating that the cover body (1) side was seted up, the external screw thread has been seted up to breather pipe (10) a side end's of keeping away from the cover body (1) periphery, and breather pipe (10) threaded connection has screw cap (11), the check valve is installed to the periphery of breather pipe (10), and the opposite direction of the check valve of two sets of breather pipes (10), the inner wall of breather pipe (10) bonds through the viscose has graphite filter layer (12) and filter screen (13), and graphite filter layer (12) set up between filter screen (13) and the cover body (1).

4. A fire fighting gas mask as recited in claim 1, wherein: power unit (6) are including micro motor (14), dwang (15) and rotating vane (16), micro motor (14) are at the front end of the cover body (1) through the screw connection, micro motor (14) have dwang (15) through the coupling joint, and the periphery integrated into one piece of dwang (15) has rotating vane (16) that two sets of symmetries set up, and the shape of rotating vane (16) sets up to the ellipse.

5. A fire fighting gas mask as recited in claim 1, wherein: the sealing element (5) comprises a rubber inner ring (17) and a rubber outer edge (18), the rubber inner ring (17) and the rubber outer edge (18) are bonded to the side face of the cover body (1), the periphery of the rubber inner ring (17) and the inner wall of the rubber outer edge (18) are also bonded and fixed through viscose, the width of the rubber outer edge (18) is larger than that of the rubber inner ring (17), and the thickness of the rubber outer edge (18) is smaller than that of the rubber inner ring (17).

6. A fire fighting gas mask as recited in claim 1, wherein: the ventilation mechanism (7) comprises a communication pipe (19), a sleeve (20), a ring plate (21) and a sealing cover (22), the front end of the cover body (1) is communicated with the communication pipe (19), an external thread is formed in the periphery of the end portion, far away from the cover body (1), of one side of the communication pipe (19), the sealing cover (22) is in threaded connection with the communication pipe (19), the sleeve (20) is arranged on the periphery of the communication pipe (19), the ring plate (21) is bonded between the sleeve (20) and the communication pipe (19), elastic rings used for sealing are bonded on the inner wall of the sleeve (20) and the periphery of the communication pipe (19), a sealing gasket is bonded on the side face, close to the sleeve (20), of the ring plate (21), and a fastening bolt is connected on the periphery of the sleeve (.

7. A fire fighting gas mask as recited in claim 1, wherein: the cover body (1) sets up to the PE material, and the periphery coating of the cover body (1) has fire-retardant coating, the both sides of visual cover (3) all bond and have glasses antifog coating, the inner wall bonding of the cover body (1) has the sealed pad that is used for sealing up the eye week.

8. A fire fighting gas mask as recited in claim 1, wherein: the two groups of filter cores (4) are obliquely arranged, the two groups of filter cores (4) are symmetrically arranged relative to the cover body (1), and the power mechanism (6) is arranged at the front end of the visual cover (3).